struct VertexInput {
    @location(0) position: vec4f,
    @location(1) color: vec4f,
};

struct Uniforms {
    u_projection: mat4x4f,
    u_view: mat4x4f,
    u_world: mat4x4f,
};

@group(0) @binding(0)
var<uniform> uniforms: Uniforms;

struct VertexOutput {
    @builtin(position) position: vec4f,
    @location(0) v_color: vec4f,
};

@vertex
fn main(input: VertexInput) -> VertexOutput {
    var out: VertexOutput;
    out.position = uniforms.u_projection * uniforms.u_view * uniforms.u_world * input.position;
    out.v_color = input.color;
    return out;
}