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Im Hintergrund läuft eine Planetensimulation, geschrieben in JavaScript und Three.js.
Die zu sehenden Texturen stammen von:
https://www.solarsystemscope.com/textures/
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46 lines
612 B
46 lines
612 B
/** |
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* Luminosity |
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* http://en.wikipedia.org/wiki/Luminosity |
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*/ |
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const LuminosityShader = { |
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uniforms: { |
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'tDiffuse': { value: null } |
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}, |
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vertexShader: /* glsl */` |
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varying vec2 vUv; |
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void main() { |
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vUv = uv; |
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gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 ); |
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}`, |
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fragmentShader: /* glsl */` |
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#include <common> |
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uniform sampler2D tDiffuse; |
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varying vec2 vUv; |
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void main() { |
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vec4 texel = texture2D( tDiffuse, vUv ); |
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float l = linearToRelativeLuminance( texel.rgb ); |
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gl_FragColor = vec4( l, l, l, texel.w ); |
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}` |
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}; |
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export { LuminosityShader };
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