12 lines
594 B
WebGPU Shading Language
12 lines
594 B
WebGPU Shading Language
// Triplanar mapping sampler
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fn TriSampler(tex: texture_2d<f32>, tex_sampler: sampler, position: vec3<f32>, normal: vec3<f32>, sharpness: f32) -> vec3<f32> {
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let uv_x = position.yz;
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let uv_y = position.xz;
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let uv_z = position.xy;
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let tri_mask: vec3<f32> = normalize(pow(abs(normal), vec3<f32>(sharpness)));
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let sample_x = textureSample(tex, tex_sampler, uv_x).rgb;
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let sample_y = textureSample(tex, tex_sampler, uv_y).rgb;
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let sample_z = textureSample(tex, tex_sampler, uv_z).rgb;
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return (sample_x * tri_mask.x) + (sample_y * tri_mask.y) + (sample_z * tri_mask.z);
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} |