16 lines
433 B
GLSL
16 lines
433 B
GLSL
#version 460
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uniform float iTime;
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uniform vec2 iResolution;
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in vec2 vUV;
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out vec3 fragColor;
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uniform sampler2D frame0;
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void main() {
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vec2 uv0 = vUV.st;
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float ratio = iResolution.x / iResolution.y;
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vec2 uv1 = (uv0 - .5) * vec2(ratio, 1);
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vec3 color = vec3(vUV, sin(iTime * 0.5) * 0.5 + 0.5);
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color *= 1 - step(cos(iTime) * 0.1 + 0.4, length(uv1));
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fragColor = color + texture(frame0, vUV - 0.01).xyz * 0.5;
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} |