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https://github.com/zbanks/radiance.git
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Eric Van Albert
20 lines
509 B
GLSL
20 lines
509 B
GLSL
#property description Only update a vertical slice that slides across
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#property frequency 0.25
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// TODO this effect is stupid at frequency=0
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void main(void) {
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vec4 prev = texture(iChannel[0], uv);
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vec4 next = texture(iInput, uv);
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float factor = pow(iIntensity, 2.0);
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float t = mod(iTime * iFrequency - uv.x, 1.0);
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float x = 0.0;
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if (t < 0.5) x = pow(0.5 - t, 3.0);
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factor = min(factor, 1.0 - x);
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factor = clamp(factor, 0.0, 1.0);
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fragColor = mix(next, prev, factor);
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}
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