18 lines
580 B
WebGPU Shading Language
18 lines
580 B
WebGPU Shading Language
#import bevy_sprite::mesh2d_vertex_output::VertexOutput
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@group(2) @binding(0) var<uniform> u_time: f32;
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@group(2) @binding(1) var<uniform> u_resolution: vec2<f32>;
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@fragment
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fn fragment(mesh: VertexOutput) -> @location(0) vec4<f32> {
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// very simple vertical gradient between two colors
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let bottom = vec3<f32>(1.0, 0.8, 0.2); // warm
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let top = vec3<f32>(0.2, 0.6, 1.0); // cool
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// use time to subtly shift the gradient
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let t = u_time;
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let shift = 0.2 * sin(t);
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let color = mix(bottom, top, mesh.uv.y + shift);
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return vec4<f32>(color, 1.0);
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}
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