feat: Added shader loading and swapping as well as beginnings of out of the box noise generation and support for multiple render passes

crates/comet_math/Cargo.toml

@@ -6,4 +6,5 @@ edition = "2021"
 [dependencies]
 comet_log = { path = "../comet_log" }
 num-traits = "0.2.19"
-chrono = "0.4.0"
+chrono = "0.4.0"
+rand = "0.9.0-beta.1"

crates/comet_math/src/lib.rs

@@ -11,4 +11,5 @@ pub mod vector;
 pub mod matrix;
 pub mod quaternion;
 pub mod bezier;
-pub mod easings;
+pub mod easings;
+mod noise;

crates/comet_math/src/noise.rs

@@ -0,0 +1,39 @@
+use rand::Rng;
+
+/// The WhiteNoise struct works a factory for generating white noise, given the size of the texture.
+pub struct WhiteNoise {
+	size: (usize, usize)
+}
+
+impl WhiteNoise {
+	pub fn new(width: usize, height: usize) -> Self {
+		Self {
+			size: (width, height)
+		}
+	}
+
+	pub fn set_width(&mut self, width: usize) {
+		self.size.0 = width;
+	}
+
+	pub fn set_height(&mut self, height: usize) {
+		self.size.1 = height;
+	}
+
+	pub fn set_size(&mut self, width: usize, height: usize) {
+		self.size = (width, height);
+	}
+
+	/// Generates white noise as a `Vec<f32>`. Size of the vector is `width * height`.
+	pub fn generate(&self) -> Vec<f32> {
+		let mut rng = rand::rng();
+		let mut noise = Vec::with_capacity(self.size.0 * self.size.1);
+
+		for _ in 0..self.size.0 * self.size.1 {
+			noise.push(rng.random_range(0.0..1.0));
+		}
+
+		noise
+	}
+}
+