39 lines
1.0 KiB
WebGPU Shading Language
39 lines
1.0 KiB
WebGPU Shading Language
struct FragmentInput {
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@builtin(position) fragment_coordinate: vec4<f32>,
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@location(0) world_position: vec4<f32>,
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@location(1) world_normal: vec3<f32>,
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@location(2) uv: vec2<f32>,
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};
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struct TileLight {
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color: vec4<f32>,
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intensity: f32,
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position: vec2<f32>,
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};
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struct CanvasMaterial {
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ambient_color: vec4<f32>,
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tile_lights: array<TileLight, 256u>,
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number_of_lights: u32,
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};
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@group(1) @binding(0)
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var<uniform> canvas_material: CanvasMaterial;
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@fragment
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fn fragment(input: FragmentInput) -> @location(0) vec4<f32> {
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var output_color = canvas_material.ambient_color;
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var lighting = vec4<f32>();
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for (var i: u32 = 0u; i < canvas_material.number_of_lights; i++) {
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var luminance = pow(length(canvas_material.tile_lights[i].position - input.world_position.xy), -2.0);
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luminance *= canvas_material.tile_lights[i].intensity * 2.5;
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lighting += vec4<f32>(luminance * canvas_material.tile_lights[i].color.rgb, 0.0);
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}
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output_color += lighting;
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return output_color;
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}
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