commit 3a62df4f48237633e49548c905979e988857989d
Author: Erin <sylphofelectricity@gmail.com>
Date:   Wed Aug 2 14:34:19 2017 -0500

    shaders

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..324c57f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+target/
+**/*.rs.bk
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..915d653
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,129 @@
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..2d3b20f
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "minifb_shit"
+version = "0.1.0"
+authors = ["Erin <erin@hashbang.sh>"]
+
+[dependencies]
+minifb = "0.9"
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..801e525
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,68 @@
+extern crate minifb;
+
+use std::error::Error;
+use minifb::{Window, WindowOptions, Key};
+
+const WIDTH: usize = 640;
+const HEIGHT: usize = 480;
+
+trait Shader {
+	fn shade(&mut self, x: usize, y: usize) -> u32;
+}
+
+struct TestShader {
+	noise: u32,
+	carry: u32,
+	pub seed: u32,
+}
+impl TestShader {
+	pub fn new(seed: u32) -> TestShader {
+		TestShader {
+			noise: 0,
+			carry: 0,
+			seed
+		}
+	}
+}
+impl Shader for TestShader {
+	fn shade(&mut self, x_: usize, y_: usize) -> u32 {
+		self.noise = self.seed;
+		self.noise >>= 3;
+		self.noise ^= self.seed;
+		self.carry = self.noise & 1;
+		self.noise >>= 1;
+		self.seed >>=1;
+		self.seed |= (self.carry << 30);
+		self.noise &= 0xff;
+		
+		return (self.noise << 16) | (self.noise << 8) | self.noise;
+	}
+}
+
+fn run() -> Result<(), Box<Error>> {
+	let mut buffer: Vec<u32> = vec![0; WIDTH * HEIGHT];
+	let mut window = Window::new("minifb",
+		WIDTH,
+		HEIGHT,
+		WindowOptions::default())?;
+
+	let mut shader = TestShader::new(0xcafe);
+
+	while window.is_open() && !window.is_key_down(Key::Escape) {
+		for x in 0..WIDTH {
+			for y in 0..HEIGHT {
+				buffer[y*WIDTH + x] = shader.shade(x, y);
+			}
+		}
+
+		window.update_with_buffer(&buffer);
+	}
+
+	Ok(())
+}
+
+fn main() {
+	if let Err(e) = run() {
+		println!("Error: {}", e);
+	} 
+}
\ No newline at end of file