Add simple terrain implementation

Cargo.toml

@@ -2,9 +2,9 @@
 name = "dotrix"
 version = "0.6.0"
 authors = [
-  "Elias Kartašov <elias@lowenware.com>",
-  "Štěpán Wünsch <sw@lowenware.com>",
-  "Nikita Zemtsov <z-nik@ya.ru>",
+    "Elias Kartašov <elias@lowenware.com>",
+    "Štěpán Wünsch <sw@lowenware.com>",
+    "Nikita Zemtsov <z-nik@ya.ru>",
 ]
 edition = "2021"
 description = "3D Engine"
@@ -18,27 +18,45 @@ path = "src/lib.rs"
 name = "demo"
 path = "demo/main.rs"
 
+[[bin]]
+name = "dotrix-terrain"
+path = "utils/terrain/main.rs"
+required-features = ["terrain"]
+
 [features]
-default = []
+default = ["terrain"]
+terrain = [
+    "dep:noise",
+    "dep:rand",
+    "dep:num",
+    "dep:structopt",
+    "dep:toml",
+    "dep:serde",
+]
 
 [dependencies]
-rand = "0.8"
 bytemuck = { version = "1.4", features = ["derive"] }
 image = "0.25"
 uuid = { version = "1.1", features = ["v4"] }
 log = "0.4.20"
 once_cell = "1.18.0"
-futures = {version = "0.3", default-features = false, features = ["std", "executor"]}
-raw-window-handle = {version = "0.6.1"}
-winit = {version = "0.30.5", features = ["serde", "rwh_06"]}
+futures = { version = "0.3", default-features = false, features = [
+    "std",
+    "executor",
+] }
+raw-window-handle = { version = "0.6.1" }
+winit = { version = "0.30.5", features = ["serde", "rwh_06"] }
 bitflags = "2.4.1"
 ash = "0.38.0"
 ash-window = "0.13.0"
 gltf = "1.4.1"
 base64 = "0.22.0"
 glam = { version = "0.27.0", features = ["bytemuck"] }
-genmesh = "0.6.2"
-
-[dev-dependencies]
-#noise = { version = "0.8" }
-#bytemuck = { version = "1.4", features = ["derive"] }
+genmesh = "0.6.2" # TODO: make optional
+# optional
+noise = { version = "0.9.0", optional = true }
+num = { version = "0.4", optional = true }
+rand = { version = "0.8.4", features = ["small_rng"], optional = true }
+structopt = { version = "0.3", optional = true }
+toml = { version = "0.8", optional = true }
+serde = { version = "1.0", optional = true }

README.md

@@ -37,6 +37,8 @@ glslc -fshader-stage=vertex src/models/shaders/only_mesh.vert -o src/models/shad
 glslc -fshader-stage=fragment src/models/shaders/only_mesh.frag -o src/models/shaders/only_mesh.frag.spv
 glslc -fshader-stage=vertex src/models/shaders/skin_mesh.vert -o src/models/shaders/skin_mesh.vert.spv
 glslc -fshader-stage=fragment src/models/shaders/skin_mesh.frag -o src/models/shaders/skin_mesh.frag.spv
+glslc -fshader-stage=vertex src/features/terrain/shaders/terrain.vert -o src/features/terrain/shaders/terrain.vert.spv
+glslc -fshader-stage=fragment src/features/terrain/shaders/terrain.frag -o src/features/terrain/shaders/terrain.frag.spv
 ```
 
 ## Sponsors

configs/terrain.toml

@@ -0,0 +1,14 @@
+name = "terrain"
+size = 1024
+
+[noise]
+octaves = 4
+persistence = 0.5   # 0..1
+lacunarity = 2.0    # > 1
+scale = 250.0
+offset = [0.0, 0.0]
+seed = 0
+
+[falloff]
+power = 2.6
+factor = 2.4

src/features.rs

@@ -0,0 +1,2 @@
+#[cfg(feature = "terrain")]
+pub mod terrain;