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19 lines
440 B
GLSL
19 lines
440 B
GLSL
vec2 __sound(vec3 uv) {
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$(code)
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return $(value);
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}
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void fragment() {
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vec3 uv = UV.xxx;
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vec2 smin = vec2(1.0);
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vec2 smax = vec2(-1.0);
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for (int i = -5; i <=5; ++i) {
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vec2 s = __sound(vec3(UV.x+float(i)/5.0/preview_size));
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smin = min(s, smin);
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smax = max(s, smax);
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}
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vec2 y = vec2((0.5-UV.y)*2.1);
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vec2 color = step(smin, y+4.0/preview_size)*step(y-4.0/preview_size, smax);
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COLOR = vec4(color, max(color.x, color.y), 1.0);
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}
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