struct LookParams {
	m: mat4x4f,
}

struct Vertex {
	@location(0) position: vec3f,
	@location(1) normal: vec3f,
}

struct Varying {
	@builtin(position) screen: vec4f,
	@location(0) normal: vec3f,
}

@group(0) @binding(0) var<uniform> look: LookParams;

@vertex
fn on_vertex(in: Vertex) -> Varying {
	let pos = look.m * vec4f(in.position, 1.0);
	let normal = in.normal;
	return Varying(pos, normal);
}

@fragment
fn on_fragment(in: Varying) -> @location(0) vec4f {
	return vec4f(0.5 + 0.5 * in.normal, 1.0);
}