diff --git a/.gitignore b/.gitignore
index 006b849..2a6d237 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,10 +2,11 @@
 /.idea
 
 # Exclude temporary / build / auto-generated directories
-/*Remote*
+/*Release*
 /*Debug*
 /*build*
 /*tmp*
 *generated*
 /docs
+/vgcore*
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7c754ee..135f85c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -67,6 +67,7 @@ include_directories(box2d/include/box2d)
 target_link_libraries(Capstone box2d)
 
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OXYGINE_CXX_FLAGS} -fconcepts -w")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address")
 
 if (EMSCRIPTEN)
     SET(CMAKE_EXECUTABLE_SUFFIX ".html")
diff --git a/data/architecture.mdj b/data/architecture.mdj
index eb3b53f..40cc3c1 100644
--- a/data/architecture.mdj
+++ b/data/architecture.mdj
@@ -48,8 +48,8 @@
 											},
 											"visible": false,
 											"font": "Arial;13;0",
-											"left": -144,
-											"top": 192,
+											"left": 672,
+											"top": -128,
 											"height": 13
 										},
 										{
@@ -59,9 +59,9 @@
 												"$ref": "AAAAAAGAdKNUSMAwEXM="
 											},
 											"font": "Arial;13;3",
-											"left": 61,
-											"top": 199,
-											"width": 135,
+											"left": 469,
+											"top": 39,
+											"width": 87,
 											"height": 13,
 											"text": "Game"
 										},
@@ -73,8 +73,8 @@
 											},
 											"visible": false,
 											"font": "Arial;13;0",
-											"left": -144,
-											"top": 192,
+											"left": 672,
+											"top": -128,
 											"width": 73.67724609375,
 											"height": 13,
 											"text": "(from Model)"
@@ -87,16 +87,16 @@
 											},
 											"visible": false,
 											"font": "Arial;13;0",
-											"left": -144,
-											"top": 192,
+											"left": 672,
+											"top": -128,
 											"height": 13,
 											"horizontalAlignment": 1
 										}
 									],
 									"font": "Arial;13;0",
-									"left": 56,
-									"top": 192,
-									"width": 145,
+									"left": 464,
+									"top": 32,
+									"width": 97,
 									"height": 25,
 									"stereotypeLabel": {
 										"$ref": "AAAAAAGAdKNUSMAx8H8="
@@ -132,8 +132,8 @@
 											},
 											"visible": false,
 											"font": "Arial;13;0",
-											"left": 61,
-											"top": 334,
+											"left": 877,
+											"top": 14,
 											"width": 89.603515625,
 											"height": 13,
 											"underline": true,
@@ -142,9 +142,9 @@
 										}
 									],
 									"font": "Arial;13;0",
-									"left": 56,
-									"top": 217,
-									"width": 145,
+									"left": 464,
+									"top": 57,
+									"width": 97,
 									"height": 10
 								},
 								{
@@ -168,8 +168,8 @@
 											},
 											"visible": false,
 											"font": "Arial;13;0",
-											"left": 61,
-											"top": 344,
+											"left": 877,
+											"top": 24,
 											"width": 89.603515625,
 											"height": 13,
 											"underline": true,
@@ -187,8 +187,8 @@
 											},
 											"visible": false,
 											"font": "Arial;13;0",
-											"left": 61,
-											"top": 346,
+											"left": 877,
+											"top": 26,
 											"width": 89.603515625,
 											"height": 13,
 											"underline": true,
@@ -206,8 +206,8 @@
 											},
 											"visible": false,
 											"font": "Arial;13;0",
-											"left": 61,
-											"top": 346,
+											"left": 877,
+											"top": 26,
 											"width": 89.603515625,
 											"height": 13,
 											"underline": true,
@@ -216,9 +216,9 @@
 										}
 									],
 									"font": "Arial;13;0",
-									"left": 56,
-									"top": 227,
-									"width": 145,
+									"left": 464,
+									"top": 67,
+									"width": 97,
 									"height": 10
 								},
 								{
@@ -232,8 +232,8 @@
 									},
 									"visible": false,
 									"font": "Arial;13;0",
-									"left": -56,
-									"top": 240,
+									"left": 352,
+									"top": 80,
 									"width": 10,
 									"height": 10
 								},
@@ -248,17 +248,17 @@
 									},
 									"visible": false,
 									"font": "Arial;13;0",
-									"left": -56,
-									"top": 240,
+									"left": 352,
+									"top": 80,
 									"width": 10,
 									"height": 10
 								}
 							],
 							"font": "Arial;13;0",
 							"containerChangeable": true,
-							"left": 56,
-							"top": 192,
-							"width": 145,
+							"left": 464,
+							"top": 32,
+							"width": 97,
 							"height": 45,
 							"nameCompartment": {
 								"$ref": "AAAAAAGAdKNUSMAwEXM="
@@ -304,8 +304,8 @@
 											},
 											"visible": false,
 											"font": "Arial;13;0",
-											"left": 112,
-											"top": -304,
+											"left": 512,
+											"top": -272,
 											"height": 13
 										},
 										{
@@ -315,9 +315,9 @@
 												"$ref": "AAAAAAGAdKqjCcCqZS4="
 											},
 											"font": "Arial;13;3",
-											"left": 237,
-											"top": 199,
-											"width": 135,
+											"left": 469,
+											"top": 215,
+											"width": 87,
 											"height": 13,
 											"text": "Scene"
 										},
@@ -329,8 +329,8 @@
 											},
 											"visible": false,
 											"font": "Arial;13;0",
-											"left": 112,
-											"top": -304,
+											"left": 512,
+											"top": -272,
 											"width": 73.67724609375,
 											"height": 13,
 											"text": "(from Model)"
@@ -343,16 +343,16 @@
 											},
 											"visible": false,
 											"font": "Arial;13;0",
-											"left": 112,
-											"top": -304,
+											"left": 512,
+											"top": -272,
 											"height": 13,
 											"horizontalAlignment": 1
 										}
 									],
 									"font": "Arial;13;0",
-									"left": 232,
-									"top": 192,
-									"width": 145,
+									"left": 464,
+									"top": 208,
+									"width": 97,
 									"height": 25,
 									"stereotypeLabel": {
 										"$ref": "AAAAAAGAdKqjCcCrp0Q="
@@ -377,9 +377,9 @@
 										"$ref": "AAAAAAGAdKqjCcCnSMU="
 									},
 									"font": "Arial;13;0",
-									"left": 232,
-									"top": 217,
-									"width": 145,
+									"left": 464,
+									"top": 233,
+									"width": 97,
 									"height": 10
 								},
 								{
@@ -403,8 +403,8 @@
 											},
 											"visible": false,
 											"font": "Arial;13;0",
-											"left": 269,
-											"top": 320,
+											"left": 669,
+											"top": 352,
 											"width": 95,
 											"height": 13,
 											"text": "+Scene()",
@@ -412,9 +412,9 @@
 										}
 									],
 									"font": "Arial;13;0",
-									"left": 232,
-									"top": 227,
-									"width": 145,
+									"left": 464,
+									"top": 243,
+									"width": 97,
 									"height": 10
 								},
 								{
@@ -428,8 +428,8 @@
 									},
 									"visible": false,
 									"font": "Arial;13;0",
-									"left": 72,
-									"top": -8,
+									"left": 272,
+									"top": 8,
 									"width": 10,
 									"height": 10
 								},
@@ -444,17 +444,17 @@
 									},
 									"visible": false,
 									"font": "Arial;13;0",
-									"left": 72,
-									"top": -8,
+									"left": 272,
+									"top": 8,
 									"width": 10,
 									"height": 10
 								}
 							],
 							"font": "Arial;13;0",
 							"containerChangeable": true,
-							"left": 232,
-							"top": 192,
-							"width": 145,
+							"left": 464,
+							"top": 208,
+							"width": 97,
 							"height": 45,
 							"nameCompartment": {
 								"$ref": "AAAAAAGAdKqjCcCqZS4="
@@ -501,8 +501,8 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"left": 368,
-											"top": -748,
+											"left": 320,
+											"top": -652,
 											"height": 13
 										},
 										{
@@ -513,9 +513,9 @@
 											},
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;1",
-											"left": 429,
-											"top": 87,
-											"width": 135,
+											"left": 405,
+											"top": 135,
+											"width": 87,
 											"height": 13,
 											"text": "MenuScene"
 										},
@@ -528,8 +528,8 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"left": 368,
-											"top": -748,
+											"left": 320,
+											"top": -652,
 											"width": 73.67724609375,
 											"height": 13,
 											"text": "(from Model)"
@@ -543,17 +543,17 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"left": 368,
-											"top": -748,
+											"left": 320,
+											"top": -652,
 											"height": 13,
 											"horizontalAlignment": 1
 										}
 									],
 									"fillColor": "#ffeeee",
 									"font": "Arial;13;0",
-									"left": 424,
-									"top": 80,
-									"width": 145,
+									"left": 400,
+									"top": 128,
+									"width": 97,
 									"height": 25,
 									"stereotypeLabel": {
 										"$ref": "AAAAAAGAdKulX8DYZzw="
@@ -579,9 +579,9 @@
 									},
 									"fillColor": "#ffeeee",
 									"font": "Arial;13;0",
-									"left": 424,
-									"top": 105,
-									"width": 145,
+									"left": 400,
+									"top": 153,
+									"width": 97,
 									"height": 10
 								},
 								{
@@ -606,8 +606,8 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"left": 477,
-											"top": 160,
+											"left": 429,
+											"top": 256,
 											"width": 178.1279296875,
 											"height": 13,
 											"text": "+MenuScene()",
@@ -625,8 +625,8 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"left": 477,
-											"top": 162,
+											"left": 429,
+											"top": 258,
 											"width": 178.1279296875,
 											"height": 13,
 											"text": "+onNewGame(Event * event)",
@@ -644,8 +644,8 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"left": 477,
-											"top": 162,
+											"left": 429,
+											"top": 258,
 											"width": 178.1279296875,
 											"height": 13,
 											"text": "+onRequestExit(Event * event)",
@@ -654,9 +654,9 @@
 									],
 									"fillColor": "#ffeeee",
 									"font": "Arial;13;0",
-									"left": 424,
-									"top": 115,
-									"width": 145,
+									"left": 400,
+									"top": 163,
+									"width": 97,
 									"height": 10
 								},
 								{
@@ -671,8 +671,8 @@
 									"visible": false,
 									"fillColor": "#ffeeee",
 									"font": "Arial;13;0",
-									"left": 200,
-									"top": -230,
+									"left": 176,
+									"top": -182,
 									"width": 10,
 									"height": 10
 								},
@@ -688,8 +688,8 @@
 									"visible": false,
 									"fillColor": "#ffeeee",
 									"font": "Arial;13;0",
-									"left": 200,
-									"top": -230,
+									"left": 176,
+									"top": -182,
 									"width": 10,
 									"height": 10
 								}
@@ -697,9 +697,9 @@
 							"fillColor": "#ffeeee",
 							"font": "Arial;13;0",
 							"containerChangeable": true,
-							"left": 424,
-							"top": 80,
-							"width": 145,
+							"left": 400,
+							"top": 128,
+							"width": 97,
 							"height": 45,
 							"nameCompartment": {
 								"$ref": "AAAAAAGAdKulX8DXllk="
@@ -738,8 +738,8 @@
 									},
 									"visible": false,
 									"font": "Arial;13;0",
-									"left": 407,
-									"top": 164,
+									"left": 491,
+									"top": 174,
 									"height": 13,
 									"alpha": 1.5707963267948966,
 									"distance": 15,
@@ -759,8 +759,8 @@
 									},
 									"visible": null,
 									"font": "Arial;13;0",
-									"left": 415,
-									"top": 177,
+									"left": 503,
+									"top": 164,
 									"height": 13,
 									"alpha": 1.5707963267948966,
 									"distance": 30,
@@ -780,8 +780,8 @@
 									},
 									"visible": false,
 									"font": "Arial;13;0",
-									"left": 392,
-									"top": 139,
+									"left": 468,
+									"top": 193,
 									"height": 13,
 									"alpha": -1.5707963267948966,
 									"distance": 15,
@@ -799,7 +799,7 @@
 								"$ref": "AAAAAAGAdKulX8DWFtU="
 							},
 							"lineStyle": 1,
-							"points": "457:125;343:191",
+							"points": "466:173;494:207",
 							"showVisibility": true,
 							"nameLabel": {
 								"$ref": "AAAAAAGAdKule8EAmoE="
@@ -840,8 +840,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 245.744140625,
-											"top": -208,
+											"left": 373.744140625,
+											"top": -624,
 											"height": 13
 										},
 										{
@@ -852,9 +852,9 @@
 											},
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;1",
-											"left": 421,
-											"top": 343,
-											"width": 135,
+											"left": 533,
+											"top": 135,
+											"width": 87,
 											"height": 13,
 											"text": "GameScene"
 										},
@@ -867,8 +867,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 245.744140625,
-											"top": -208,
+											"left": 373.744140625,
+											"top": -624,
 											"width": 73.67724609375,
 											"height": 13,
 											"text": "(from Model)"
@@ -882,17 +882,17 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 245.744140625,
-											"top": -208,
+											"left": 373.744140625,
+											"top": -624,
 											"height": 13,
 											"horizontalAlignment": 1
 										}
 									],
 									"fillColor": "#eeeeff",
 									"font": "Arial;13;0",
-									"left": 416,
-									"top": 336,
-									"width": 145,
+									"left": 528,
+									"top": 128,
+									"width": 97,
 									"height": 25,
 									"stereotypeLabel": {
 										"$ref": "AAAAAAGAdK3F8sE2F5k="
@@ -929,8 +929,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 461,
-											"top": 478,
+											"left": 589,
+											"top": 62,
 											"width": 196.2060546875,
 											"height": 13,
 											"text": "-gameResources Resources",
@@ -948,8 +948,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 461,
-											"top": 480,
+											"left": 589,
+											"top": 64,
 											"width": 196.2060546875,
 											"height": 13,
 											"text": "-rng HashedRNG",
@@ -967,8 +967,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 461,
-											"top": 480,
+											"left": 589,
+											"top": 64,
 											"width": 196.2060546875,
 											"height": 13,
 											"text": "-softPause: bool",
@@ -977,9 +977,9 @@
 									],
 									"fillColor": "#eeeeff",
 									"font": "Arial;13;0",
-									"left": 416,
-									"top": 361,
-									"width": 145,
+									"left": 528,
+									"top": 153,
+									"width": 97,
 									"height": 10
 								},
 								{
@@ -1004,8 +1004,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 461,
-											"top": 488,
+											"left": 589,
+											"top": 72,
 											"width": 196.2060546875,
 											"height": 13,
 											"text": "+GameScene(int seed?)",
@@ -1023,8 +1023,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 461,
-											"top": 490,
+											"left": 589,
+											"top": 74,
 											"width": 196.2060546875,
 											"height": 13,
 											"text": "+update(UpdateState const & us)",
@@ -1042,8 +1042,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 461,
-											"top": 490,
+											"left": 589,
+											"top": 74,
 											"width": 196.2060546875,
 											"height": 13,
 											"text": "+onRestart(Event * event)",
@@ -1061,8 +1061,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 461,
-											"top": 490,
+											"left": 589,
+											"top": 74,
 											"width": 196.2060546875,
 											"height": 13,
 											"text": "+onNewGame(Evente * event)",
@@ -1080,8 +1080,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 461,
-											"top": 490,
+											"left": 589,
+											"top": 74,
 											"width": 196.2060546875,
 											"height": 13,
 											"text": "+onAbandon(Event * event)",
@@ -1099,8 +1099,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 461,
-											"top": 535,
+											"left": 589,
+											"top": 119,
 											"width": 196.2060546875,
 											"height": 13,
 											"text": "+onQuit(Event * event)",
@@ -1109,9 +1109,9 @@
 									],
 									"fillColor": "#eeeeff",
 									"font": "Arial;13;0",
-									"left": 416,
-									"top": 371,
-									"width": 145,
+									"left": 528,
+									"top": 163,
+									"width": 97,
 									"height": 10
 								},
 								{
@@ -1126,8 +1126,8 @@
 									"visible": false,
 									"fillColor": "#eeeeff",
 									"font": "Arial;13;0",
-									"left": 138.8720703125,
-									"top": 40,
+									"left": 202.8720703125,
+									"top": -168,
 									"width": 10,
 									"height": 10
 								},
@@ -1143,8 +1143,8 @@
 									"visible": false,
 									"fillColor": "#eeeeff",
 									"font": "Arial;13;0",
-									"left": 138.8720703125,
-									"top": 40,
+									"left": 202.8720703125,
+									"top": -168,
 									"width": 10,
 									"height": 10
 								}
@@ -1152,9 +1152,9 @@
 							"fillColor": "#eeeeff",
 							"font": "Arial;13;0",
 							"containerChangeable": true,
-							"left": 416,
-							"top": 336,
-							"width": 145,
+							"left": 528,
+							"top": 128,
+							"width": 97,
 							"height": 45,
 							"nameCompartment": {
 								"$ref": "AAAAAAGAdK3F8sE1mEs="
@@ -1193,8 +1193,8 @@
 									},
 									"visible": false,
 									"font": "Arial;13;0",
-									"left": 386,
-									"top": 291,
+									"left": 555,
+									"top": 193,
 									"height": 13,
 									"alpha": 1.5707963267948966,
 									"distance": 15,
@@ -1214,8 +1214,8 @@
 									},
 									"visible": null,
 									"font": "Arial;13;0",
-									"left": 377,
-									"top": 303,
+									"left": 567,
+									"top": 203,
 									"height": 13,
 									"alpha": 1.5707963267948966,
 									"distance": 30,
@@ -1235,8 +1235,8 @@
 									},
 									"visible": false,
 									"font": "Arial;13;0",
-									"left": 405,
-									"top": 268,
+									"left": 532,
+									"top": 174,
 									"height": 13,
 									"alpha": -1.5707963267948966,
 									"distance": 15,
@@ -1254,7 +1254,7 @@
 								"$ref": "AAAAAAGAdK3F8sE0vfs="
 							},
 							"lineStyle": 1,
-							"points": "459:335;333:237",
+							"points": "558:173;530:207",
 							"showVisibility": true,
 							"nameLabel": {
 								"$ref": "AAAAAAGAdK3GBMFekU8="
@@ -1295,7 +1295,8 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"top": -448,
+											"left": -688,
+											"top": -192,
 											"height": 13
 										},
 										{
@@ -1306,9 +1307,9 @@
 											},
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;1",
-											"left": 653,
-											"top": 87,
-											"width": 135,
+											"left": 309,
+											"top": 215,
+											"width": 87,
 											"height": 13,
 											"text": "Dialog"
 										},
@@ -1321,7 +1322,8 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"top": -448,
+											"left": -688,
+											"top": -192,
 											"width": 73.67724609375,
 											"height": 13,
 											"text": "(from Model)"
@@ -1335,16 +1337,17 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"top": -448,
+											"left": -688,
+											"top": -192,
 											"height": 13,
 											"horizontalAlignment": 1
 										}
 									],
 									"fillColor": "#ffeeee",
 									"font": "Arial;13;0",
-									"left": 648,
-									"top": 80,
-									"width": 145,
+									"left": 304,
+									"top": 208,
+									"width": 97,
 									"height": 25,
 									"stereotypeLabel": {
 										"$ref": "AAAAAAGAdLJvIMHanwk="
@@ -1381,8 +1384,8 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"left": 629,
-											"top": 78,
+											"left": -59,
+											"top": 334,
 											"width": 297.34326171875,
 											"height": 13,
 											"underline": true,
@@ -1401,8 +1404,8 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"left": 629,
-											"top": 80,
+											"left": -59,
+											"top": 336,
 											"width": 297.34326171875,
 											"height": 13,
 											"text": "-text: Text *",
@@ -1420,8 +1423,8 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"left": 629,
-											"top": 80,
+											"left": -59,
+											"top": 336,
 											"width": 297.34326171875,
 											"height": 13,
 											"text": "-buttons: List<Button>",
@@ -1430,9 +1433,9 @@
 									],
 									"fillColor": "#ffeeee",
 									"font": "Arial;13;0",
-									"left": 648,
-									"top": 105,
-									"width": 145,
+									"left": 304,
+									"top": 233,
+									"width": 97,
 									"height": 10
 								},
 								{
@@ -1457,8 +1460,8 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"left": 629,
-											"top": 88,
+											"left": -59,
+											"top": 344,
 											"width": 297.34326171875,
 											"height": 13,
 											"text": "+Dialog(Vector2 pos, Vector2 size, String message)",
@@ -1476,8 +1479,8 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"left": 629,
-											"top": 90,
+											"left": -59,
+											"top": 346,
 											"width": 297.34326171875,
 											"height": 13,
 											"text": "+setMessage(String message)",
@@ -1495,8 +1498,8 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"left": 629,
-											"top": 90,
+											"left": -59,
+											"top": 346,
 											"width": 297.34326171875,
 											"height": 13,
 											"text": "+addButton(String message, Callback && callback)",
@@ -1505,9 +1508,9 @@
 									],
 									"fillColor": "#ffeeee",
 									"font": "Arial;13;0",
-									"left": 648,
-									"top": 115,
-									"width": 145,
+									"left": 304,
+									"top": 243,
+									"width": 97,
 									"height": 10
 								},
 								{
@@ -1522,8 +1525,8 @@
 									"visible": false,
 									"fillColor": "#ffeeee",
 									"font": "Arial;13;0",
-									"left": 16,
-									"top": -200,
+									"left": -328,
+									"top": -72,
 									"width": 10,
 									"height": 10
 								},
@@ -1539,8 +1542,8 @@
 									"visible": false,
 									"fillColor": "#ffeeee",
 									"font": "Arial;13;0",
-									"left": 16,
-									"top": -200,
+									"left": -328,
+									"top": -72,
 									"width": 10,
 									"height": 10
 								}
@@ -1548,9 +1551,9 @@
 							"fillColor": "#ffeeee",
 							"font": "Arial;13;0",
 							"containerChangeable": true,
-							"left": 648,
-							"top": 80,
-							"width": 145,
+							"left": 304,
+							"top": 208,
+							"width": 97,
 							"height": 45,
 							"nameCompartment": {
 								"$ref": "AAAAAAGAdLJvIMHZJlA="
@@ -1597,8 +1600,8 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"left": -368.6865234375,
-											"top": -576,
+											"left": -1312.6865234375,
+											"top": -32,
 											"height": 13
 										},
 										{
@@ -1609,9 +1612,9 @@
 											},
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;1",
-											"left": 845,
-											"top": 23,
-											"width": 135,
+											"left": 373,
+											"top": 295,
+											"width": 87,
 											"height": 13,
 											"text": "Button"
 										},
@@ -1624,8 +1627,8 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"left": -368.6865234375,
-											"top": -576,
+											"left": -1312.6865234375,
+											"top": -32,
 											"width": 73.67724609375,
 											"height": 13,
 											"text": "(from Model)"
@@ -1639,17 +1642,17 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"left": -368.6865234375,
-											"top": -576,
+											"left": -1312.6865234375,
+											"top": -32,
 											"height": 13,
 											"horizontalAlignment": 1
 										}
 									],
 									"fillColor": "#ffeeee",
 									"font": "Arial;13;0",
-									"left": 840,
-									"top": 16,
-									"width": 145,
+									"left": 368,
+									"top": 288,
+									"width": 97,
 									"height": 25,
 									"stereotypeLabel": {
 										"$ref": "AAAAAAGAdLa0H8JKdoM="
@@ -1686,8 +1689,8 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"left": 621,
-											"top": -66,
+											"left": -323,
+											"top": 478,
 											"width": 399.927734375,
 											"height": 13,
 											"text": "-Callback onAction",
@@ -1696,9 +1699,9 @@
 									],
 									"fillColor": "#ffeeee",
 									"font": "Arial;13;0",
-									"left": 840,
-									"top": 41,
-									"width": 145,
+									"left": 368,
+									"top": 313,
+									"width": 97,
 									"height": 10
 								},
 								{
@@ -1723,8 +1726,8 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"left": 621,
-											"top": -56,
+											"left": -323,
+											"top": 488,
 											"width": 399.927734375,
 											"height": 13,
 											"text": "+Button(ResAnim * animation, Text * message, Callback && callback)",
@@ -1742,8 +1745,8 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"left": 621,
-											"top": -54,
+											"left": -323,
+											"top": 490,
 											"width": 399.927734375,
 											"height": 13,
 											"text": "-onMouseOver(Event * event)",
@@ -1761,8 +1764,8 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"left": 621,
-											"top": -54,
+											"left": -323,
+											"top": 490,
 											"width": 399.927734375,
 											"height": 13,
 											"text": "-onMouseOut(Event * event)",
@@ -1780,8 +1783,8 @@
 											"visible": false,
 											"fillColor": "#ffeeee",
 											"font": "Arial;13;0",
-											"left": 621,
-											"top": -54,
+											"left": -323,
+											"top": 490,
 											"width": 399.927734375,
 											"height": 13,
 											"text": "+trigger(Event * event)",
@@ -1790,9 +1793,9 @@
 									],
 									"fillColor": "#ffeeee",
 									"font": "Arial;13;0",
-									"left": 840,
-									"top": 51,
-									"width": 145,
+									"left": 368,
+									"top": 323,
+									"width": 97,
 									"height": 10
 								},
 								{
@@ -1807,8 +1810,8 @@
 									"visible": false,
 									"fillColor": "#ffeeee",
 									"font": "Arial;13;0",
-									"left": -184.34326171875,
-									"top": -288,
+									"left": -656.34326171875,
+									"top": -16,
 									"width": 10,
 									"height": 10
 								},
@@ -1824,8 +1827,8 @@
 									"visible": false,
 									"fillColor": "#ffeeee",
 									"font": "Arial;13;0",
-									"left": -184.34326171875,
-									"top": -288,
+									"left": -656.34326171875,
+									"top": -16,
 									"width": 10,
 									"height": 10
 								}
@@ -1833,9 +1836,9 @@
 							"fillColor": "#ffeeee",
 							"font": "Arial;13;0",
 							"containerChangeable": true,
-							"left": 840,
-							"top": 16,
-							"width": 145,
+							"left": 368,
+							"top": 288,
+							"width": 97,
 							"height": 45,
 							"nameCompartment": {
 								"$ref": "AAAAAAGAdLa0H8JJrFg="
@@ -1882,8 +1885,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 384,
-											"top": 144,
+											"left": -48,
+											"top": 336,
 											"height": 13
 										},
 										{
@@ -1894,9 +1897,9 @@
 											},
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;1",
-											"left": 845,
-											"top": 279,
-											"width": 135,
+											"left": 629,
+											"top": 375,
+											"width": 87,
 											"height": 13,
 											"text": "Spaceship"
 										},
@@ -1909,8 +1912,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 384,
-											"top": 144,
+											"left": -48,
+											"top": 336,
 											"width": 73.67724609375,
 											"height": 13,
 											"text": "(from Model)"
@@ -1924,17 +1927,17 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 384,
-											"top": 144,
+											"left": -48,
+											"top": 336,
 											"height": 13,
 											"horizontalAlignment": 1
 										}
 									],
 									"fillColor": "#eeeeff",
 									"font": "Arial;13;0",
-									"left": 840,
-									"top": 272,
-									"width": 145,
+									"left": 624,
+									"top": 368,
+									"width": 97,
 									"height": 25,
 									"stereotypeLabel": {
 										"$ref": "AAAAAAGAdLn+JdAmpbE="
@@ -1971,8 +1974,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 629,
-											"top": 126,
+											"left": 197,
+											"top": 318,
 											"width": 449.54736328125,
 											"height": 13,
 											"text": "-health: int",
@@ -1990,8 +1993,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 629,
-											"top": 128,
+											"left": 197,
+											"top": 320,
 											"width": 449.54736328125,
 											"height": 13,
 											"text": "-ID: int const",
@@ -2009,8 +2012,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 629,
-											"top": 128,
+											"left": 197,
+											"top": 320,
 											"width": 449.54736328125,
 											"height": 13,
 											"text": "-scoreboard: Text *",
@@ -2028,8 +2031,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 629,
-											"top": 128,
+											"left": 197,
+											"top": 320,
 											"width": 449.54736328125,
 											"height": 13,
 											"text": "#body: b2Body *",
@@ -2047,8 +2050,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 629,
-											"top": 128,
+											"left": 197,
+											"top": 320,
 											"width": 449.54736328125,
 											"height": 13,
 											"text": "#accelerate: bool",
@@ -2066,8 +2069,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 629,
-											"top": 128,
+											"left": 197,
+											"top": 320,
 											"width": 449.54736328125,
 											"height": 13,
 											"text": "#decelerate: bool",
@@ -2085,8 +2088,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 629,
-											"top": 128,
+											"left": 197,
+											"top": 320,
 											"width": 449.54736328125,
 											"height": 13,
 											"text": "#rotateLeft: bool",
@@ -2104,8 +2107,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 629,
-											"top": 128,
+											"left": 197,
+											"top": 320,
 											"width": 449.54736328125,
 											"height": 13,
 											"text": "#rotateRight: bool",
@@ -2123,8 +2126,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 629,
-											"top": 128,
+											"left": 197,
+											"top": 320,
 											"width": 449.54736328125,
 											"height": 13,
 											"text": "+ship_counter: int",
@@ -2133,9 +2136,9 @@
 									],
 									"fillColor": "#eeeeff",
 									"font": "Arial;13;0",
-									"left": 840,
-									"top": 297,
-									"width": 145,
+									"left": 624,
+									"top": 393,
+									"width": 97,
 									"height": 10
 								},
 								{
@@ -2160,8 +2163,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 629,
-											"top": 136,
+											"left": 197,
+											"top": 328,
 											"width": 449.54736328125,
 											"height": 13,
 											"text": "#updateScoreboard()",
@@ -2179,8 +2182,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 629,
-											"top": 138,
+											"left": 197,
+											"top": 330,
 											"width": 449.54736328125,
 											"height": 13,
 											"text": "+Spaceship(World & world, Resources & res, Vector2 const & pos, float scale)",
@@ -2198,8 +2201,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 629,
-											"top": 138,
+											"left": 197,
+											"top": 330,
 											"width": 449.54736328125,
 											"height": 13,
 											"text": "+update(UpdateState const & us)",
@@ -2217,8 +2220,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 629,
-											"top": 138,
+											"left": 197,
+											"top": 330,
 											"width": 449.54736328125,
 											"height": 13,
 											"text": "+setAwake(bool awake)",
@@ -2227,9 +2230,9 @@
 									],
 									"fillColor": "#eeeeff",
 									"font": "Arial;13;0",
-									"left": 840,
-									"top": 307,
-									"width": 145,
+									"left": 624,
+									"top": 403,
+									"width": 97,
 									"height": 10
 								},
 								{
@@ -2244,8 +2247,8 @@
 									"visible": false,
 									"fillColor": "#eeeeff",
 									"font": "Arial;13;0",
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-									"top": 72,
+									"left": -16,
+									"top": 168,
 									"width": 10,
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@@ -2261,8 +2264,8 @@
 									"visible": false,
 									"fillColor": "#eeeeff",
 									"font": "Arial;13;0",
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-									"top": 72,
+									"left": -16,
+									"top": 168,
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@@ -2270,9 +2273,9 @@
 							"fillColor": "#eeeeff",
 							"font": "Arial;13;0",
 							"containerChangeable": true,
-							"left": 840,
-							"top": 272,
-							"width": 145,
+							"left": 624,
+							"top": 368,
+							"width": 97,
 							"height": 45,
 							"nameCompartment": {
 								"$ref": "AAAAAAGAdLn+JdAlIZ4="
@@ -2319,8 +2322,8 @@
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 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 768,
-											"top": -546,
+											"left": 80,
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@@ -2331,8 +2334,8 @@
 											},
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;1",
-											"left": 1037,
-											"top": 239,
+											"left": 693,
+											"top": 295,
 											"width": 135,
 											"height": 13,
 											"text": "KeyboardSpaceship"
@@ -2346,8 +2349,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 768,
-											"top": -546,
+											"left": 80,
+											"top": -434,
 											"width": 73.67724609375,
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 											"text": "(from Model)"
@@ -2361,16 +2364,16 @@
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 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 768,
-											"top": -546,
+											"left": 80,
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 									"fillColor": "#eeeeff",
 									"font": "Arial;13;0",
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-									"top": 232,
+									"left": 688,
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 									"height": 25,
 									"stereotypeLabel": {
@@ -2408,8 +2411,8 @@
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 											"font": "Arial;13;0",
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+											"top": -186,
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 											"underline": true,
@@ -2419,8 +2422,8 @@
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 									"fillColor": "#eeeeff",
 									"font": "Arial;13;0",
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+									"left": 688,
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@@ -2446,8 +2449,8 @@
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 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
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+											"left": 301,
+											"top": -176,
 											"width": 212.1005859375,
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 											"text": "+onSteeringEvent(KeyEvent * event)",
@@ -2456,8 +2459,8 @@
 									],
 									"fillColor": "#eeeeff",
 									"font": "Arial;13;0",
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+									"left": 688,
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@@ -2473,8 +2476,8 @@
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 									"fillColor": "#eeeeff",
 									"font": "Arial;13;0",
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+									"left": 48,
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@@ -2490,8 +2493,8 @@
 									"visible": false,
 									"fillColor": "#eeeeff",
 									"font": "Arial;13;0",
-									"left": 392,
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+									"left": 48,
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 								}
@@ -2499,8 +2502,8 @@
 							"fillColor": "#eeeeff",
 							"font": "Arial;13;0",
 							"containerChangeable": true,
-							"left": 1032,
-							"top": 232,
+							"left": 688,
+							"top": 288,
 							"width": 145,
 							"height": 45,
 							"nameCompartment": {
@@ -2540,8 +2543,8 @@
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 									"visible": false,
 									"font": "Arial;13;0",
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+									"left": 726,
+									"top": 355,
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@@ -2561,8 +2564,8 @@
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 									"font": "Arial;13;0",
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+									"left": 736,
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@@ -2582,8 +2585,8 @@
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 									"font": "Arial;13;0",
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+									"left": 705,
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 									"alpha": -1.5707963267948966,
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@@ -2601,7 +2604,7 @@
 								"$ref": "AAAAAAGAdL5K++L5hgE="
 							},
 							"lineStyle": 1,
-							"points": "1031:269;985:279",
+							"points": "735:333;697:367",
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 							"nameLabel": {
 								"$ref": "AAAAAAGAdL5LPeNQi/s="
@@ -2642,8 +2645,8 @@
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 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 592,
-											"top": -352,
+											"left": 640,
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@@ -2654,9 +2657,9 @@
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 											"font": "Arial;13;1",
-											"left": 845,
-											"top": 407,
-											"width": 135,
+											"left": 869,
+											"top": 295,
+											"width": 87,
 											"height": 13,
 											"text": "Planet"
 										},
@@ -2669,8 +2672,8 @@
 											"visible": false,
 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 592,
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+											"left": 640,
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 											"text": "(from Model)"
@@ -2684,17 +2687,17 @@
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 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
-											"left": 592,
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 									"fillColor": "#eeeeff",
 									"font": "Arial;13;0",
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-									"top": 400,
-									"width": 145,
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 									"stereotypeLabel": {
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@@ -2720,9 +2723,9 @@
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 									"font": "Arial;13;0",
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-									"top": 425,
-									"width": 145,
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@@ -2747,8 +2750,8 @@
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-											"top": 512,
+											"left": 677,
+											"top": 288,
 											"width": 454.6064453125,
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 											"text": "+Planet(World & world, ResAnim & animation, Vector2 const & pos, float scale)",
@@ -2766,8 +2769,8 @@
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 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
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-											"top": 514,
+											"left": 677,
+											"top": 290,
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 											"text": "+update(UpdateState const & us)",
@@ -2776,9 +2779,9 @@
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 									"font": "Arial;13;0",
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@@ -2793,8 +2796,8 @@
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@@ -2810,8 +2813,8 @@
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 									"font": "Arial;13;0",
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@@ -2819,9 +2822,9 @@
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 							"font": "Arial;13;0",
 							"containerChangeable": true,
-							"left": 840,
-							"top": 400,
-							"width": 145,
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 							"nameCompartment": {
 								"$ref": "AAAAAAGAdL9zlulCOSA="
@@ -2868,8 +2871,8 @@
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 											"font": "Arial;13;0",
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@@ -2880,9 +2883,9 @@
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 											"font": "Arial;13;1",
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-											"width": 135,
+											"left": 629,
+											"top": 215,
+											"width": 87,
 											"height": 13,
 											"text": "World"
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@@ -2895,8 +2898,8 @@
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 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
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@@ -2910,17 +2913,17 @@
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 											"font": "Arial;13;0",
-											"left": 176,
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 									"fillColor": "#eeeeff",
 									"font": "Arial;13;0",
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-									"top": 336,
-									"width": 145,
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 									"stereotypeLabel": {
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@@ -2957,8 +2960,8 @@
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 											"font": "Arial;13;0",
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-											"top": 398,
+											"left": 477,
+											"top": 142,
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 											"text": "+world: b2World",
@@ -2976,8 +2979,8 @@
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 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
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+											"left": 477,
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 											"width": 260.24755859375,
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 											"text": "+world_size: b2Vec2 const",
@@ -2986,9 +2989,9 @@
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 									"fillColor": "#eeeeff",
 									"font": "Arial;13;0",
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@@ -3013,8 +3016,8 @@
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+											"left": 477,
+											"top": 152,
 											"width": 260.24755859375,
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 											"text": "+World(ResAnim * background, b2Vec2 size)",
@@ -3032,8 +3035,8 @@
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 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
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+											"left": 477,
+											"top": 154,
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@@ -3051,8 +3054,8 @@
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 											"font": "Arial;13;0",
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+											"left": 477,
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 											"width": 260.24755859375,
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 											"text": "+b2Vec2 wrap(b2Vec2 pos)",
@@ -3070,8 +3073,8 @@
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 											"fillColor": "#eeeeff",
 											"font": "Arial;13;0",
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+											"left": 477,
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@@ -3089,8 +3092,8 @@
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@@ -3108,8 +3111,8 @@
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@@ -3127,8 +3130,8 @@
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 											"text": "+addChild(child * Actor)",
@@ -3137,9 +3140,9 @@
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@@ -3154,8 +3157,8 @@
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@@ -3180,9 +3183,9 @@
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 							"nameCompartment": {
 								"$ref": "AAAAAAGAdMDYXPLaXYE="
@@ -3221,8 +3224,8 @@
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@@ -3242,8 +3245,8 @@
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@@ -3263,8 +3266,8 @@
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@@ -3284,8 +3287,8 @@
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@@ -3305,8 +3308,8 @@
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@@ -3326,8 +3329,8 @@
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@@ -3347,8 +3350,8 @@
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@@ -3367,8 +3370,8 @@
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@@ -3387,8 +3390,8 @@
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@@ -3407,8 +3410,8 @@
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@@ -3423,8 +3426,8 @@
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@@ -3437,7 +3440,7 @@
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@@ -5045,8 +4502,8 @@
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@@ -5127,8 +4584,8 @@
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@@ -5175,7 +4634,7 @@
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@@ -5233,8 +4692,8 @@
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@@ -5254,8 +4713,8 @@
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@@ -5275,8 +4734,8 @@
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@@ -5296,8 +4755,8 @@
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@@ -5317,8 +4776,8 @@
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@@ -5338,8 +4797,8 @@
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@@ -5359,8 +4818,8 @@
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@@ -5399,8 +4858,8 @@
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@@ -5419,7 +4878,8 @@
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@@ -5434,7 +4894,8 @@
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@@ -5447,7 +4908,7 @@
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@@ -5526,8 +4987,8 @@
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@@ -5547,8 +5008,8 @@
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@@ -5568,8 +5029,8 @@
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-									"name": "Event * event",
-									"type": ""
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+							"name": "MenuScene"
 						},
 						{
 							"_type": "UMLOperation",
-							"_id": "AAAAAAGAdLdBN8Q1zeQ=",
+							"_id": "AAAAAAGAdK1WFsEeU8E=",
 							"_parent": {
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+								"$ref": "AAAAAAGAdKulX8DUmKc="
 							},
-							"name": "onMouseOut",
-							"visibility": "private",
+							"name": "onNewGame",
 							"parameters": [
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@@ -8423,17 +7756,17 @@
 						},
 						{
 							"_type": "UMLOperation",
-							"_id": "AAAAAAGAdLgCacWLX7A=",
+							"_id": "AAAAAAGAdK16acEn7Ac=",
 							"_parent": {
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+								"$ref": "AAAAAAGAdKulX8DUmKc="
 							},
-							"name": "trigger",
+							"name": "onRequestExit",
 							"parameters": [
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 									"_type": "UMLParameter",
-									"_id": "AAAAAAGAdLgdicWtYf4=",
+									"_id": "AAAAAAGAdK2UO8EuWwg=",
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+										"$ref": "AAAAAAGAdK16acEn7Ac="
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 									"name": "Event * event",
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@@ -8444,222 +7777,253 @@
 				},
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+					"_id": "AAAAAAGAdK3F8sEyQOs=",
 					"_parent": {
 						"$ref": "AAAAAAFF+qBWK6M3Z8Y="
 					},
-					"name": "Spaceship",
+					"name": "GameScene",
 					"ownedElements": [
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-								"_id": "AAAAAAGAdMZfmzFYpko=",
+								"_id": "AAAAAAGBPdEBN5FLiik=",
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+									"$ref": "AAAAAAGBPdEBN5FKbw0="
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-									"$ref": "AAAAAAGAdLn+JdAivvA="
+									"$ref": "AAAAAAGAdK3F8sEyQOs="
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-								"_id": "AAAAAAGAdMZfmzFZLI0=",
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+									"$ref": "AAAAAAGAdLJvH8HWb8M="
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 									},
-									"name": "ResAnim & animation",
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 								{
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 									"_parent": {
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 									},
-									"name": "Vector2 const & pos",
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 									"_type": "UMLParameter",
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 									"_parent": {
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+										"$ref": "AAAAAAGAdLP0wcImg40="
 									},
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+									"name": "String message",
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 						{
 							"_type": "UMLOperation",
-							"_id": "AAAAAAGAdMAZP+uvQ8I=",
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+								"$ref": "AAAAAAGAdLJvH8HWb8M="
 							},
-							"name": "update",
+							"name": "addButton",
 							"parameters": [
 								{
 									"_type": "UMLParameter",
-									"_id": "AAAAAAGAdMBF9uwHs2A=",
+									"_id": "AAAAAAGAdLV+7sI3OI4=",
 									"_parent": {
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 									},
-									"name": "UpdateState const & us",
+									"name": "String message",
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@@ -8857,200 +8329,426 @@
 				},
 				{
 					"_type": "UMLClass",
-					"_id": "AAAAAAGAdMDYXPLXHwk=",
+					"_id": "AAAAAAGAdLa0HsJGOsA=",
 					"_parent": {
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 					},
-					"name": "World",
+					"name": "Button",
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 							"_type": "UMLAssociation",
-							"_id": "AAAAAAGAdMZEwi5TFuA=",
+							"_id": "AAAAAAGBPcl8pvkf9Wo=",
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-								"_id": "AAAAAAGAdMZEwi5U/ac=",
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-								"_id": "AAAAAAGAdMZEwi5V5ZY=",
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 								},
-								"aggregation": "composite"
+								"aggregation": "shared"
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-						}
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-					"attributes": [
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-							"_id": "AAAAAAGAdMF7QfYSzys=",
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-							"type": "b2World"
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-							"type": "b2Vec2 const"
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-							"name": "Vector2 convert",
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 							"parameters": [
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 									"_type": "UMLParameter",
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-									"name": "b2Vec2 pos",
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 							"_type": "UMLOperation",
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+								"$ref": "AAAAAAGAdLn+JdAivvA="
 							},
-							"name": "addChild",
+							"name": "setAwake",
 							"parameters": [
 								{
 									"_type": "UMLParameter",
-									"_id": "AAAAAAGAdMNY9v2PUEU=",
+									"_id": "AAAAAAGAdL27aeDjjVU=",
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+										"$ref": "AAAAAAGAdL2LCOCLlTs="
 									},
-									"name": "child * Actor",
+									"name": "bool awake",
 									"type": ""
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@@ -9059,159 +8757,551 @@
 				},
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 					},
-					"name": "Input",
+					"name": "KeyboardSpaceship",
 					"ownedElements": [
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 											"left": 241,
 											"top": 649,
-											"width": 69.380859375,
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@@ -46556,7 +46674,8 @@
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@@ -54950,108 +54882,108 @@
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@@ -55172,106 +55104,106 @@
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@@ -55283,106 +55215,106 @@
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@@ -56171,332 +56102,442 @@
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@@ -56506,94 +56547,763 @@
 										"$ref": "AAAAAAGBPknXbOwr5IU="
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+										"$ref": "AAAAAAGBP12hDvavB3g="
 									},
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+										"$ref": "AAAAAAGBP12hDvawcVA="
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 								{
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+											"text": "31 : done"
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+											"top": 724,
+											"height": 13,
+											"alpha": -1.5707963267948966,
+											"distance": 10,
+											"hostEdge": {
+												"$ref": "AAAAAAGBPoo7yvMevsU="
+											},
+											"edgePosition": 1
+										},
+										{
+											"_type": "UMLActivationView",
+											"_id": "AAAAAAGBPoo7yvMir+k=",
+											"_parent": {
+												"$ref": "AAAAAAGBPoo7yvMevsU="
+											},
+											"model": {
+												"$ref": "AAAAAAGBPoo7yvMdIJ8="
+											},
+											"font": "Arial;13;0",
+											"left": 418,
+											"top": 720,
+											"width": 14,
+											"height": 29
+										}
+									],
+									"font": "Arial;13;0",
+									"head": {
+										"$ref": "AAAAAAGBPknXbOwr5IU="
+									},
+									"tail": {
+										"$ref": "AAAAAAGBPkiI0uwEt1s="
+									},
+									"points": "105:720;418:720",
+									"nameLabel": {
+										"$ref": "AAAAAAGBPoo7yvMfNIU="
+									},
+									"stereotypeLabel": {
+										"$ref": "AAAAAAGBPoo7yvMgKDM="
+									},
+									"propertyLabel": {
+										"$ref": "AAAAAAGBPoo7yvMhwl8="
+									},
+									"activation": {
+										"$ref": "AAAAAAGBPoo7yvMir+k="
+									}
+								},
+								{
+									"_type": "UMLEndpointView",
+									"_id": "AAAAAAGBP16rXfcNhvE=",
+									"_parent": {
+										"$ref": "AAAAAAGBPkeR9+K54Qw="
+									},
+									"model": {
+										"$ref": "AAAAAAGBP16rXfcL0ew="
+									},
+									"font": "Arial;13;0",
+									"left": 416,
+									"top": 840,
+									"width": 15,
+									"height": 15
+								},
+								{
+									"_type": "UMLEndpointView",
+									"_id": "AAAAAAGBP17cAvcU7jI=",
+									"_parent": {
+										"$ref": "AAAAAAGBPkeR9+K54Qw="
+									},
+									"model": {
+										"$ref": "AAAAAAGBP17cAvcSHzo="
+									},
+									"font": "Arial;13;0",
+									"left": 96,
+									"top": 848,
+									"width": 15,
+									"height": 15
+								},
+								{
+									"_type": "UMLEndpointView",
+									"_id": "AAAAAAGBP1+9pvck9Q8=",
+									"_parent": {
+										"$ref": "AAAAAAGBPkeR9+K54Qw="
+									},
+									"model": {
+										"$ref": "AAAAAAGBP1+9pvcip40="
+									},
+									"font": "Arial;13;0",
+									"left": 736,
+									"top": 664,
+									"width": 15,
+									"height": 15
+								},
+								{
+									"_type": "UMLEndpointView",
+									"_id": "AAAAAAGBP1/ScfcqvXY=",
+									"_parent": {
+										"$ref": "AAAAAAGBPkeR9+K54Qw="
+									},
+									"model": {
+										"$ref": "AAAAAAGBP1/ScfcoJmA="
+									},
+									"font": "Arial;13;0",
+									"left": 1136,
+									"top": 664,
+									"width": 15,
+									"height": 15
+								},
+								{
+									"_type": "UMLEndpointView",
+									"_id": "AAAAAAGBP2Av3Pcwb5A=",
+									"_parent": {
+										"$ref": "AAAAAAGBPkeR9+K54Qw="
+									},
+									"model": {
+										"$ref": "AAAAAAGBP2Av3Pcv/fo="
+									},
+									"font": "Arial;13;0",
+									"left": 736,
+									"top": 720.5,
 									"width": 15,
 									"height": 15
 								}
@@ -56603,35 +57313,281 @@
 					"messages": [
 						{
 							"_type": "UMLMessage",
-							"_id": "AAAAAAGBPn9IKvHgadY=",
+							"_id": "AAAAAAGBPn9IKvHgadY=",
+							"_parent": {
+								"$ref": "AAAAAAGBPkeR9+K4zvE="
+							},
+							"name": "connect",
+							"source": {
+								"$ref": "AAAAAAGBPkiI0ev9xIY="
+							},
+							"target": {
+								"$ref": "AAAAAAGBPknXa+wkFiA="
+							}
+						},
+						{
+							"_type": "UMLMessage",
+							"_id": "AAAAAAGBPoHtI/JlljM=",
+							"_parent": {
+								"$ref": "AAAAAAGBPkeR9+K4zvE="
+							},
+							"name": "registerShip",
+							"source": {
+								"$ref": "AAAAAAGBPkiI0ev9xIY="
+							},
+							"target": {
+								"$ref": "AAAAAAGBPknXa+wkFiA="
+							}
+						},
+						{
+							"_type": "UMLMessage",
+							"_id": "AAAAAAGBPoIS8PJ760Q=",
+							"_parent": {
+								"$ref": "AAAAAAGBPkeR9+K4zvE="
+							},
+							"name": "registerShip",
+							"source": {
+								"$ref": "AAAAAAGBPknXa+wkFiA="
+							},
+							"target": {
+								"$ref": "AAAAAAGBPkiI0ev9xIY="
+							},
+							"messageSort": "reply"
+						},
+						{
+							"_type": "UMLMessage",
+							"_id": "AAAAAAGBPoJUk/KR6gI=",
+							"_parent": {
+								"$ref": "AAAAAAGBPkeR9+K4zvE="
+							},
+							"name": "sendItem",
+							"source": {
+								"$ref": "AAAAAAGBPkiI0ev9xIY="
+							},
+							"target": {
+								"$ref": "AAAAAAGBPknXa+wkFiA="
+							}
+						},
+						{
+							"_type": "UMLMessage",
+							"_id": "AAAAAAGBPoLqz/LVDCI=",
+							"_parent": {
+								"$ref": "AAAAAAGBPkeR9+K4zvE="
+							},
+							"name": "sendItem",
+							"source": {
+								"$ref": "AAAAAAGBPknXa+wkFiA="
+							},
+							"target": {
+								"$ref": "AAAAAAGBPkiI0ev9xIY="
+							},
+							"messageSort": "reply"
+						},
+						{
+							"_type": "UMLMessage",
+							"_id": "AAAAAAGBPoEcY/JIBAw=",
+							"_parent": {
+								"$ref": "AAAAAAGBPkeR9+K4zvE="
+							},
+							"name": "connect",
+							"source": {
+								"$ref": "AAAAAAGBPn0cvfGRaxI="
+							},
+							"target": {
+								"$ref": "AAAAAAGBPlTK8/Ay84Q="
+							}
+						},
+						{
+							"_type": "UMLMessage",
+							"_id": "AAAAAAGBPn+q9/H29yI=",
+							"_parent": {
+								"$ref": "AAAAAAGBPkeR9+K4zvE="
+							},
+							"name": "join",
+							"source": {
+								"$ref": "AAAAAAGBPn0cvfGRaxI="
+							},
+							"target": {
+								"$ref": "AAAAAAGBPknXa+wkFiA="
+							}
+						},
+						{
+							"_type": "UMLMessage",
+							"_id": "AAAAAAGBPoBX2vItQ3w=",
+							"_parent": {
+								"$ref": "AAAAAAGBPkeR9+K4zvE="
+							},
+							"name": "connect",
+							"source": {
+								"$ref": "AAAAAAGBPknXa+wkFiA="
+							},
+							"target": {
+								"$ref": "AAAAAAGBPlTK8/Ay84Q="
+							},
+							"messageSort": "asynchCall"
+						},
+						{
+							"_type": "UMLMessage",
+							"_id": "AAAAAAGBP2FSVfdNgO4=",
+							"_parent": {
+								"$ref": "AAAAAAGBPkeR9+K4zvE="
+							},
+							"name": "share",
+							"source": {
+								"$ref": "AAAAAAGBPlTK8/Ay84Q="
+							},
+							"target": {
+								"$ref": "AAAAAAGBPknXa+wkFiA="
+							},
+							"messageSort": "asynchCall"
+						},
+						{
+							"_type": "UMLMessage",
+							"_id": "AAAAAAGBPreY9fRdShA=",
+							"_parent": {
+								"$ref": "AAAAAAGBPkeR9+K4zvE="
+							},
+							"name": "registerShip",
+							"source": {
+								"$ref": "AAAAAAGBPn0cvfGRaxI="
+							},
+							"target": {
+								"$ref": "AAAAAAGBPlTK8/Ay84Q="
+							}
+						},
+						{
+							"_type": "UMLMessage",
+							"_id": "AAAAAAGBPrfBhPRzQFA=",
+							"_parent": {
+								"$ref": "AAAAAAGBPkeR9+K4zvE="
+							},
+							"name": "registerShip",
+							"source": {
+								"$ref": "AAAAAAGBPlTK8/Ay84Q="
+							},
+							"target": {
+								"$ref": "AAAAAAGBPknXa+wkFiA="
+							}
+						},
+						{
+							"_type": "UMLMessage",
+							"_id": "AAAAAAGBPrmR1PStanA=",
+							"_parent": {
+								"$ref": "AAAAAAGBPkeR9+K4zvE="
+							},
+							"name": "registerShip",
+							"source": {
+								"$ref": "AAAAAAGBPlTK8/Ay84Q="
+							},
+							"target": {
+								"$ref": "AAAAAAGBPn0cvfGRaxI="
+							}
+						},
+						{
+							"_type": "UMLMessage",
+							"_id": "AAAAAAGBPricvfSJHDQ=",
+							"_parent": {
+								"$ref": "AAAAAAGBPkeR9+K4zvE="
+							},
+							"name": "registerShip",
+							"source": {
+								"$ref": "AAAAAAGBPknXa+wkFiA="
+							},
+							"target": {
+								"$ref": "AAAAAAGBPkiI0ev9xIY="
+							}
+						},
+						{
+							"_type": "UMLMessage",
+							"_id": "AAAAAAGBPoK/rfK/dJs=",
+							"_parent": {
+								"$ref": "AAAAAAGBPkeR9+K4zvE="
+							},
+							"name": "sendItem",
+							"source": {
+								"$ref": "AAAAAAGBPkiI0ev9xIY="
+							},
+							"target": {
+								"$ref": "AAAAAAGBPknXa+wkFiA="
+							}
+						},
+						{
+							"_type": "UMLMessage",
+							"_id": "AAAAAAGBPoMq4PLtiik=",
 							"_parent": {
 								"$ref": "AAAAAAGBPkeR9+K4zvE="
 							},
-							"name": "connect",
+							"name": "sendItem",
 							"source": {
-								"$ref": "AAAAAAGBPkiI0ev9xIY="
+								"$ref": "AAAAAAGBPknXa+wkFiA="
 							},
 							"target": {
+								"$ref": "AAAAAAGBPkiI0ev9xIY="
+							},
+							"messageSort": "reply"
+						},
+						{
+							"_type": "UMLMessage",
+							"_id": "AAAAAAGBP1a+HvTsap8=",
+							"_parent": {
+								"$ref": "AAAAAAGBPkeR9+K4zvE="
+							},
+							"name": "registerShip",
+							"source": {
 								"$ref": "AAAAAAGBPknXa+wkFiA="
+							},
+							"target": {
+								"$ref": "AAAAAAGBPlTK8/Ay84Q="
+							},
+							"messageSort": "asynchCall"
+						},
+						{
+							"_type": "UMLMessage",
+							"_id": "AAAAAAGBP1bqwvUCWc0=",
+							"_parent": {
+								"$ref": "AAAAAAGBPkeR9+K4zvE="
+							},
+							"name": "registerShip",
+							"source": {
+								"$ref": "AAAAAAGBPlTK8/Ay84Q="
+							},
+							"target": {
+								"$ref": "AAAAAAGBPn0cvfGRaxI="
+							},
+							"messageSort": "asynchCall"
+						},
+						{
+							"_type": "UMLMessage",
+							"_id": "AAAAAAGBP1nRffUp5r8=",
+							"_parent": {
+								"$ref": "AAAAAAGBPkeR9+K4zvE="
+							},
+							"name": "sendItem",
+							"source": {
+								"$ref": "AAAAAAGBPn0cvfGRaxI="
+							},
+							"target": {
+								"$ref": "AAAAAAGBPlTK8/Ay84Q="
 							}
 						},
 						{
 							"_type": "UMLMessage",
-							"_id": "AAAAAAGBPoHtI/JlljM=",
+							"_id": "AAAAAAGBP1tPJ/XwEfw=",
 							"_parent": {
 								"$ref": "AAAAAAGBPkeR9+K4zvE="
 							},
 							"name": "registerShip",
 							"source": {
-								"$ref": "AAAAAAGBPkiI0ev9xIY="
+								"$ref": "AAAAAAGBPlTK8/Ay84Q="
 							},
 							"target": {
 								"$ref": "AAAAAAGBPknXa+wkFiA="
-							}
+							},
+							"messageSort": "asynchCall"
 						},
 						{
 							"_type": "UMLMessage",
-							"_id": "AAAAAAGBPoIS8PJ760Q=",
+							"_id": "AAAAAAGBP1uVJPYGtpI=",
 							"_parent": {
 								"$ref": "AAAAAAGBPkeR9+K4zvE="
 							},
@@ -56642,11 +57598,11 @@
 							"target": {
 								"$ref": "AAAAAAGBPkiI0ev9xIY="
 							},
-							"messageSort": "reply"
+							"messageSort": "asynchCall"
 						},
 						{
 							"_type": "UMLMessage",
-							"_id": "AAAAAAGBPoJUk/KR6gI=",
+							"_id": "AAAAAAGBPoKd7PKpAjg=",
 							"_parent": {
 								"$ref": "AAAAAAGBPkeR9+K4zvE="
 							},
@@ -56660,7 +57616,7 @@
 						},
 						{
 							"_type": "UMLMessage",
-							"_id": "AAAAAAGBPoLqz/LVDCI=",
+							"_id": "AAAAAAGBPohevvMDU5g=",
 							"_parent": {
 								"$ref": "AAAAAAGBPkeR9+K4zvE="
 							},
@@ -56675,69 +57631,85 @@
 						},
 						{
 							"_type": "UMLMessage",
-							"_id": "AAAAAAGBPoEcY/JIBAw=",
+							"_id": "AAAAAAGBP1pkTfWM28I=",
 							"_parent": {
 								"$ref": "AAAAAAGBPkeR9+K4zvE="
 							},
-							"name": "connect",
+							"name": "sendItem",
 							"source": {
-								"$ref": "AAAAAAGBPn0cvfGRaxI="
+								"$ref": "AAAAAAGBPknXa+wkFiA="
 							},
 							"target": {
 								"$ref": "AAAAAAGBPlTK8/Ay84Q="
-							}
+							},
+							"messageSort": "asynchCall"
 						},
 						{
 							"_type": "UMLMessage",
-							"_id": "AAAAAAGBPn+q9/H29yI=",
+							"_id": "AAAAAAGBP1yFDfY8jrw=",
 							"_parent": {
 								"$ref": "AAAAAAGBPkeR9+K4zvE="
 							},
-							"name": "join",
+							"name": "sendItem",
+							"source": {
+								"$ref": "AAAAAAGBPlTK8/Ay84Q="
+							},
+							"target": {
+								"$ref": "AAAAAAGBPn0cvfGRaxI="
+							},
+							"messageSort": "asynchCall"
+						},
+						{
+							"_type": "UMLMessage",
+							"_id": "AAAAAAGBP1zRT/ZShOI=",
+							"_parent": {
+								"$ref": "AAAAAAGBPkeR9+K4zvE="
+							},
+							"name": "sendItem",
 							"source": {
 								"$ref": "AAAAAAGBPn0cvfGRaxI="
 							},
 							"target": {
-								"$ref": "AAAAAAGBPknXa+wkFiA="
+								"$ref": "AAAAAAGBPlTK8/Ay84Q="
 							}
 						},
 						{
 							"_type": "UMLMessage",
-							"_id": "AAAAAAGBPoBX2vItQ3w=",
+							"_id": "AAAAAAGBP1z4tfZo4Bc=",
 							"_parent": {
 								"$ref": "AAAAAAGBPkeR9+K4zvE="
 							},
-							"name": "connect",
+							"name": "sendItem",
 							"source": {
-								"$ref": "AAAAAAGBPknXa+wkFiA="
+								"$ref": "AAAAAAGBPlTK8/Ay84Q="
 							},
 							"target": {
-								"$ref": "AAAAAAGBPlTK8/Ay84Q="
+								"$ref": "AAAAAAGBPknXa+wkFiA="
 							},
 							"messageSort": "asynchCall"
 						},
 						{
 							"_type": "UMLMessage",
-							"_id": "AAAAAAGBP2FSVfdNgO4=",
+							"_id": "AAAAAAGBP10YVfZ+me4=",
 							"_parent": {
 								"$ref": "AAAAAAGBPkeR9+K4zvE="
 							},
-							"name": "share",
+							"name": "sendItem",
 							"source": {
-								"$ref": "AAAAAAGBPlTK8/Ay84Q="
+								"$ref": "AAAAAAGBPknXa+wkFiA="
 							},
 							"target": {
-								"$ref": "AAAAAAGBPknXa+wkFiA="
+								"$ref": "AAAAAAGBPkiI0ev9xIY="
 							},
 							"messageSort": "asynchCall"
 						},
 						{
 							"_type": "UMLMessage",
-							"_id": "AAAAAAGBPreY9fRdShA=",
+							"_id": "AAAAAAGBP11tOPaVDNE=",
 							"_parent": {
 								"$ref": "AAAAAAGBPkeR9+K4zvE="
 							},
-							"name": "registerShip",
+							"name": "done",
 							"source": {
 								"$ref": "AAAAAAGBPn0cvfGRaxI="
 							},
@@ -56747,39 +57719,40 @@
 						},
 						{
 							"_type": "UMLMessage",
-							"_id": "AAAAAAGBPrfBhPRzQFA=",
+							"_id": "AAAAAAGBP12+J/bBpq8=",
 							"_parent": {
 								"$ref": "AAAAAAGBPkeR9+K4zvE="
 							},
-							"name": "registerShip",
+							"name": "done",
 							"source": {
 								"$ref": "AAAAAAGBPlTK8/Ay84Q="
 							},
 							"target": {
-								"$ref": "AAAAAAGBPknXa+wkFiA="
-							}
+								"$ref": "AAAAAAGBPn0cvfGRaxI="
+							},
+							"messageSort": "reply"
 						},
 						{
 							"_type": "UMLMessage",
-							"_id": "AAAAAAGBPrmR1PStanA=",
+							"_id": "AAAAAAGBP12hDvarcq4=",
 							"_parent": {
 								"$ref": "AAAAAAGBPkeR9+K4zvE="
 							},
-							"name": "registerShip",
+							"name": "done",
 							"source": {
 								"$ref": "AAAAAAGBPlTK8/Ay84Q="
 							},
 							"target": {
-								"$ref": "AAAAAAGBPn0cvfGRaxI="
+								"$ref": "AAAAAAGBPknXa+wkFiA="
 							}
 						},
 						{
 							"_type": "UMLMessage",
-							"_id": "AAAAAAGBPricvfSJHDQ=",
+							"_id": "AAAAAAGBP14e4fbf1NI=",
 							"_parent": {
 								"$ref": "AAAAAAGBPkeR9+K4zvE="
 							},
-							"name": "registerShip",
+							"name": "done",
 							"source": {
 								"$ref": "AAAAAAGBPknXa+wkFiA="
 							},
@@ -56789,7 +57762,7 @@
 						},
 						{
 							"_type": "UMLMessage",
-							"_id": "AAAAAAGBPoK/rfK/dJs=",
+							"_id": "AAAAAAGBPoo7yvMdIJ8=",
 							"_parent": {
 								"$ref": "AAAAAAGBPkeR9+K4zvE="
 							},
@@ -56803,7 +57776,7 @@
 						},
 						{
 							"_type": "UMLMessage",
-							"_id": "AAAAAAGBPoMq4PLtiik=",
+							"_id": "AAAAAAGBPpj9VfM0lzs=",
 							"_parent": {
 								"$ref": "AAAAAAGBPkeR9+K4zvE="
 							},
@@ -56818,487 +57791,1671 @@
 						},
 						{
 							"_type": "UMLMessage",
-							"_id": "AAAAAAGBP1a+HvTsap8=",
+							"_id": "AAAAAAGBP2Av3fcxhEI=",
 							"_parent": {
 								"$ref": "AAAAAAGBPkeR9+K4zvE="
 							},
-							"name": "registerShip",
+							"name": "sendItem",
 							"source": {
 								"$ref": "AAAAAAGBPknXa+wkFiA="
 							},
 							"target": {
-								"$ref": "AAAAAAGBPlTK8/Ay84Q="
-							},
-							"messageSort": "asynchCall"
+								"$ref": "AAAAAAGBP2Av3Pcv/fo="
+							}
 						},
 						{
 							"_type": "UMLMessage",
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+							"end2": {
+								"_type": "UMLLinkEnd",
+								"_id": "AAAAAAGBUmcAm1E4w88=",
+								"_parent": {
+									"$ref": "AAAAAAGBUmcAm1E2P60="
+								},
+								"reference": {
+									"$ref": "AAAAAAGBUmbgUlEY9WI="
+								}
+							}
+						}
+					]
 				},
 				{
-					"_type": "UMLAttribute",
-					"_id": "AAAAAAGBPlSy8PARRF4=",
+					"_type": "UMLObject",
+					"_id": "AAAAAAGBUmbgUlEY9WI=",
 					"_parent": {
-						"$ref": "AAAAAAGBPkeR9uK3U+A="
+						"$ref": "AAAAAAGBUmYvflBVnZw="
 					},
-					"name": "Role5"
+					"name": "GameScene"
 				},
 				{
-					"_type": "UMLAttribute",
-					"_id": "AAAAAAGBPlTK8/Ax2b4=",
+					"_type": "UMLObject",
+					"_id": "AAAAAAGBUmgplmG8Y2U=",
 					"_parent": {
-						"$ref": "AAAAAAGBPkeR9uK3U+A="
+						"$ref": "AAAAAAGBUmYvflBVnZw="
 					},
-					"name": "Role6"
+					"name": "Dialog"
 				},
 				{
-					"_type": "UMLAttribute",
-					"_id": "AAAAAAGBPn0cvfGQv5Q=",
+					"_type": "UMLObject",
+					"_id": "AAAAAAGBUmhrTGNmCqM=",
 					"_parent": {
-						"$ref": "AAAAAAGBPkeR9uK3U+A="
+						"$ref": "AAAAAAGBUmYvflBVnZw="
 					},
-					"name": "Role7"
+					"name": "Object1"
 				}
 			]
 		}
diff --git a/data/screenshot2.png b/data/screenshot2.png
index ac0210e..e1a2d34 100644
Binary files a/data/screenshot2.png and b/data/screenshot2.png differ
diff --git a/data/screenshot3.png b/data/screenshot3.png
new file mode 100644
index 0000000..e21d7fc
Binary files /dev/null and b/data/screenshot3.png differ
diff --git a/lib/Data/Client.cpp b/lib/Data/Client.cpp
index 09f3ab2..2766a55 100644
--- a/lib/Data/Client.cpp
+++ b/lib/Data/Client.cpp
@@ -11,6 +11,8 @@ namespace cg {
         // Close the sink and then remove it from the map
         return sinks.at (username).doneRequest().send().ignoreResult().then ([this, username] () {
             sinks.erase (username);
+        }, [this, username] (kj::Exception && e) {
+            sinks.erase (username);
         });
     }
 
diff --git a/lib/Network/ShipSink/ShipSink.cpp b/lib/Network/ShipSink/ShipSink.cpp
index 3266579..dd53191 100644
--- a/lib/Network/ShipSink/ShipSink.cpp
+++ b/lib/Network/ShipSink/ShipSink.cpp
@@ -14,9 +14,7 @@ namespace cg {
         log ("Ship closed stream");
 
         try {
-            auto promise = onDone();
-            log ("Done, returning");
-            return kj::mv (promise);
+            return onDone();
         } catch (std::bad_function_call & e) {
             KJ_DLOG (WARNING, "ShipSink::done called without valid callback registered");
         }
diff --git a/lib/helper.h b/lib/helper.h
index a838158..f8289ce 100644
--- a/lib/helper.h
+++ b/lib/helper.h
@@ -4,7 +4,7 @@
 #include <iostream>
 
 /// If this is defined, backend debug output will be more fine-grained
-#define DEBUG_MINOR
+//#define DEBUG_MINOR
 
 /// Output function printing to stdout if debug mode is enabled
 inline void debug_stdout (std::string const & message) {
diff --git a/src/Game.cpp b/src/Game.cpp
index a26f876..a47e04d 100644
--- a/src/Game.cpp
+++ b/src/Game.cpp
@@ -54,7 +54,7 @@ namespace kt {
 #endif
 
         // Create main menu scene
-        new MenuScene ();
+        Scene::instance = kj::heap <MenuScene>();
         logs::messageln ("Scene initialisation complete");
 
         // Main game loop. Returns true if done
@@ -63,6 +63,8 @@ namespace kt {
             done = loop ();
         } while (!done);
 
+        Scene::instance = nullptr;
+
         // Release all internal components and the stage
         core::release();
 
diff --git a/src/Planet/Planet.cpp b/src/Planet/Planet.cpp
index 7781b04..4b9c915 100644
--- a/src/Planet/Planet.cpp
+++ b/src/Planet/Planet.cpp
@@ -74,6 +74,10 @@ namespace kt {
 
         Actor::update (updateState);
     }
+
+    Planet::~Planet () noexcept {
+        detach();
+    }
 }
 
 /* Copyright © 2022 Aaron Alef */
diff --git a/src/Planet/Planet.h b/src/Planet/Planet.h
index 6073cb1..5771d77 100644
--- a/src/Planet/Planet.h
+++ b/src/Planet/Planet.h
@@ -32,6 +32,7 @@ namespace kt {
     public:
         /// Create a new planet with given sprite in the given world at the given position with the given size.
         Planet (World & world, ResAnim * animation, Vector2 const & pos, float scale = 1);
+        ~Planet () noexcept override;
 
         /// Exert gravitational force on non-planet objects based on mass and distance
         void update (UpdateState const & updateState) override;
diff --git a/src/Scene/GameScene.cpp b/src/Scene/GameScene.cpp
index b2a75fa..fd31cd7 100644
--- a/src/Scene/GameScene.cpp
+++ b/src/Scene/GameScene.cpp
@@ -27,7 +27,7 @@ namespace kt {
         logs::messageln ("Seed: %lu", rng.seed);
         initWorld();
 
-        clock = new Text (gameResources.getResFont ("kt-liberation"));
+        clock = kj::heap <Text> (gameResources.getResFont ("kt-liberation"));
         clock->setPosition (0.78 * getSize().x, 0.95 * getSize().y);
         addChild (clock);
 
@@ -53,7 +53,7 @@ namespace kt {
 
         // Configure dialog to open on pressing Escape
         auto size = getSize();
-        onMenuDialog = new Dialog ({size.x / 4, size.y / 5}, {size.x / 2, size.y / 2}, "Exit the game?");
+        onMenuDialog = kj::heap <Dialog> (Vector2 (size.x / 4, size.y / 5), Vector2 (size.x / 2, size.y / 2), "Exit the game?");
         onMenuDialog->addButton ("Restart", CLOSURE (this, & GameScene::onRestart));
         onMenuDialog->addButton ("New game", CLOSURE (this, & GameScene::onNewGame));
         onMenuDialog->addButton ("Disconnect", CLOSURE (this, & GameScene::onDisconnect));
@@ -77,22 +77,22 @@ namespace kt {
         gameResources.loadXML (GAME_RESOURCES);
 
         // Create the world
-        auto & world = actors.world = new World (gameResources.getResAnim ("sky"), WORLD_SIZE);
+        auto & world = actors.world = kj::heap <World> (gameResources.getResAnim ("sky"), WORLD_SIZE);
         addChild (world);
 
         // Generate a couple of planets, number based on world size
         auto planetAnimation = gameResources.getResAnim ("venus");
         int const number_of_planets = PLANETS_PER_PIXEL * getSize().x * getSize().y;
         for (std::size_t i = 0; i < number_of_planets; i++) {
-            actors.planets.push_back (new Planet (* world, planetAnimation, {
+            actors.planets.push_back (kj::heap <Planet> (* world, planetAnimation, Vector2 (
                     float (rng.random ({100, world->getSize().x - 100})),
                     float (rng.random ({100, world->getSize().y - 100}))
-            }, float (rng.random ({0.3, 0.7}))));
+            ), float (rng.random ({0.3, 0.7}))));
         }
 
         // Create the keyboard-controlled spaceship with ID = 0
         Spaceship::resetCounter();
-        actors.localShip = new KeyboardSpaceship (* world, & gameResources, MenuScene::getUsername(), waitscope);
+        actors.localShip = kj::heap <KeyboardSpaceship> (* world, & gameResources, MenuScene::getUsername(), waitscope);
     }
 
     kj::Own <cg::RegistrarImpl> GameScene::getRegistrarImpl () {
@@ -115,12 +115,13 @@ namespace kt {
                 actors.remoteShips.erase (username);
 
                 // Case 2b: Create a new remote ship connected to the given handle
-                spRemoteSpaceship ship = new RemoteSpaceship (* actors.world, & gameResources, username);
-                actors.remoteShips.emplace (username, ship);
-                ship->setOnDone ([](){ return kj::READY_NOW; });
-                ship->setData (data);
-                ship->setHandle (std::move (handle));
-                return ship->getSink ();
+                auto owned_ship = kj::heap <RemoteSpaceship> (* actors.world, & gameResources, username);
+                actors.remoteShips.emplace (username, kj::mv (owned_ship));
+                auto & ship = * actors.remoteShips.at (username);
+                ship.setOnDone ([](){ return kj::READY_NOW; });
+                ship.setData (data);
+                ship.setHandle (std::move (handle));
+                return ship.getSink ();
             } catch (std::exception & e) {
                 logs::warning ("Error on registering new spaceship");
                 return {};
@@ -158,16 +159,16 @@ namespace kt {
 
     void GameScene::onMenu (Event * event) {
         // Open a dialog with options to join a remote game or restart or quit the current one
-        if (getLastChild() == onMenuDialog) removeChild (onMenuDialog);
-        else addChild (onMenuDialog);
+        if (getLastChild().get() == onMenuDialog.get()) removeChild (onMenuDialog.get());
+        else addChild (onMenuDialog.get());
     }
 
     GameScene::~GameScene() noexcept {
         // Destroy KeyboardSpaceship
-        if (auto ship = actors.localShip) ship->destroy().wait (waitscope);
+        if (auto & ship = actors.localShip) ship->destroy().wait (waitscope);
 
         // Destroy RemoteSpaceships
-        for (auto ship : actors.remoteShips) ship.second->destroy().wait (waitscope);
+        for (auto & ship : actors.remoteShips) ship.second->destroy().wait (waitscope);
         actors.remoteShips.clear();
 
         // Free all game assets
@@ -176,22 +177,21 @@ namespace kt {
         // Remove this scene including all its listeners
         removeChildren();
         detach();
-        getStage()->removeAllEventListeners();
     }
 
     void GameScene::onRestart (Event * event) {
         GameScene::~GameScene();
-        new GameScene (rng.seed);
+        instance = kj::heap <GameScene> (rng.seed);
     }
 
     void GameScene::onNewGame (Event * event) {
         GameScene::~GameScene();
-        new GameScene (RANDOM_SEED);
+        instance = kj::heap <GameScene> (RANDOM_SEED);
     }
 
     void GameScene::onDisconnect (Event * event) {
         GameScene::~GameScene();
-        new MenuScene();
+        instance = kj::heap <MenuScene> ();
     }
 
     void GameScene::onQuit (Event * event) {
diff --git a/src/Scene/GameScene.h b/src/Scene/GameScene.h
index f53968c..c2783e4 100644
--- a/src/Scene/GameScene.h
+++ b/src/Scene/GameScene.h
@@ -66,20 +66,20 @@ namespace kt {
             std::mutex mx;
 
             /// The world holding all things and updating physics
-            spWorld world;
+            kj::Own <World> world;
             /// The ship controlled by WASD / arrow keys
-            spKeyboardSpaceship localShip;
+            kj::Own <KeyboardSpaceship> localShip;
             /// The list of all remote ships registered by the backend
-            std::unordered_map <cg::ShipName, spRemoteSpaceship> remoteShips;
+            std::unordered_map <cg::ShipName, kj::Own <RemoteSpaceship>> remoteShips;
             /// All planets in the game
-            std::vector <spPlanet> planets;
+            std::vector <kj::Own <Planet>> planets;
         } actors;
 
         /// Menu opened on pressing Escape in-game
-        spDialog onMenuDialog;
+        kj::Own <Dialog> onMenuDialog;
 
         /// clock window
-        spText clock;
+        kj::Own <Text> clock;
         /// Update the clock
         void updateTime ();
 
diff --git a/src/Scene/MenuScene.cpp b/src/Scene/MenuScene.cpp
index 801dfd0..2b21ef9 100644
--- a/src/Scene/MenuScene.cpp
+++ b/src/Scene/MenuScene.cpp
@@ -33,7 +33,7 @@ namespace kt {
 
     void MenuScene::onNewGame (Event * event) {
         MenuScene::~MenuScene();
-        new GameScene (RANDOM_SEED);
+        instance = kj::heap <GameScene> (RANDOM_SEED);
     }
     void MenuScene::onJoinGame (Event * event) {
         // Request entering an address to connect to
@@ -44,7 +44,7 @@ namespace kt {
         // Ping the address; if it resolves start a new game and connect to it
         if (Backend::ping (address, SERVER_PORT)) {
             MenuScene::~MenuScene();
-            new GameScene (address, SERVER_PORT);
+            instance = kj::heap <GameScene> (address, SERVER_PORT);
         }
     }
     void MenuScene::onRequestExit (Event * event) {
diff --git a/src/Scene/Scene.cpp b/src/Scene/Scene.cpp
index 035506c..9ff6264 100644
--- a/src/Scene/Scene.cpp
+++ b/src/Scene/Scene.cpp
@@ -1,14 +1,18 @@
 #include "Scene.h"
 
 namespace kt {
+    kj::Own <Scene> Scene::instance;
+
     Scene::Scene () {
         // Inject us into the stage and adjust position and size to it (-> fill the entire window with this scene)
         attachTo (getStage());
         setPosition (getStage()->getPosition());
         setSize     (getStage()->getSize());
     }
-
     Scene::~Scene () noexcept = default;
+
+
+
 }
 
 /* Copyright © 2022 Aaron Alef */
diff --git a/src/Scene/Scene.h b/src/Scene/Scene.h
index e2e9e6d..2be90ef 100644
--- a/src/Scene/Scene.h
+++ b/src/Scene/Scene.h
@@ -14,6 +14,8 @@ namespace kt {
         /// Construct a new Scene. Injects itself into the stage. Should be the only scene there
         Scene ();
         ~Scene() override = 0;
+
+        static kj::Own <Scene> instance;
     };
     DECLARE_SMART (Scene, spScene);
 
diff --git a/src/Spaceship/Spaceship.cpp b/src/Spaceship/Spaceship.cpp
index ff2d975..3843182 100644
--- a/src/Spaceship/Spaceship.cpp
+++ b/src/Spaceship/Spaceship.cpp
@@ -101,9 +101,19 @@ namespace kt {
     }
 
     Spaceship::~Spaceship() noexcept {
-        if (isDestroyed) return;
+        detach ();
+    }
+
+    kj::Promise <void> Spaceship::destroy () {
+        if (isDestroyed) return kj::READY_NOW;
         isDestroyed = true;
 
+        try {
+            return onDone();
+        } catch (std::bad_function_call & e) {
+            logs::warning ("Spaceship destroyed without done callback registered");
+        }
+
         // Stop listening to anything
         for (auto listener: listeners) getStage ()->removeEventListener (listener);
         listeners.clear();
@@ -117,18 +127,6 @@ namespace kt {
         // Remove the physical body and detach the ship from the game
         if (body) body->GetUserData().pointer = 0;
         body = nullptr;
-        detach ();
-    }
-
-    kj::Promise <void> Spaceship::destroy () {
-        if (isDestroyed) return kj::READY_NOW;
-
-        Spaceship::~Spaceship();
-        try {
-            return onDone();
-        } catch (std::bad_function_call & e) {
-            logs::warning ("Spaceship destroyed without done callback registered");
-        }
     }
 
     void Spaceship::updateScoreboard (std::string const & msg, long ping) {
diff --git a/src/World/World.cpp b/src/World/World.cpp
index 4002854..c59eb2c 100644
--- a/src/World/World.cpp
+++ b/src/World/World.cpp
@@ -125,6 +125,10 @@ namespace kt {
         // Forward call to parent class
         Actor::addChild (child);
     }
+
+    World::~World () noexcept {
+        detach();
+    }
 }
 
 /* Copyright © 2022 Aaron Alef */
diff --git a/src/World/World.h b/src/World/World.h
index 84ac5c5..503d6f5 100644
--- a/src/World/World.h
+++ b/src/World/World.h
@@ -37,6 +37,7 @@ namespace kt {
 
         /// Construct a new world with the given background and size
         World (ResAnim * background, b2Vec2 size);
+        ~World() noexcept override;
 
         /// Update all physical bodies and their corresponding sprites
         void update (UpdateState const & updateState) override;