mirror of
https://github.com/dyuri/repa-shader.git
synced 2025-12-16 19:24:06 +00:00
58 lines
1.6 KiB
HTML
58 lines
1.6 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title><repa-shader> demo</title>
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<script type="module" src="../src/repa-texture.js"></script>
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<script type="module" src="../src/repa-shader.js"></script>
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<style>
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body {
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margin: 0;
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padding: 0;
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background: repeating-linear-gradient(45deg, #333, #333 10px, #666 10px, #666 20px);
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min-height: 100vh;
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display: flex;
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align-items: center;
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justify-content: center;
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flex-direction: column;
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}
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#fsinput {
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width: 90vw;
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height: 50vh;
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}
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</style>
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</head>
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<body>
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<video controls loop autoplay id="video" width=200>
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<source src="futas.mp4">
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</video>
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<repa-shader id="demoshader" fs-input="fsinput" alpha mouse snippets="noise.glsl" width=512 height=512>
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<repa-texture ref="video"></repa-texture>
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<repa-texture ref="video" type="audio" filter="nearest"></repa-texture>
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void main() {
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vec2 uv = gl_FragCoord.xy / resolution.xy;
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vec3 col = .5 + .5 * cos(uv.xyx + time + vec3(0, 2, 4));
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col *= texture(texture1, vec2(.5*uv.y, 1.0)).rgb;
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vec3 futas = texture(texture0, uv).rgb;
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col = mix(col, futas, uv.x);
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outColor = vec4(col, 1.0);
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}
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</repa-shader>
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<div>
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<textarea id="fsinput"></textarea>
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</div>
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<button id="update">Update</button>
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<script>
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const updateButton = document.getElementById('update');
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updateButton.addEventListener('click', () => {
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const fsinput = document.getElementById('fsinput');
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const shader = document.querySelector('repa-shader');
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shader.render(fsinput.value);
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});
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</script>
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</body>
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</html>
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