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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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49 lines
670 B
49 lines
670 B
( function () { |
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/** |
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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': { |
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value: null |
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} |
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}, |
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vertexShader: |
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/* glsl */ |
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` |
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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: |
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/* glsl */ |
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` |
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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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THREE.LuminosityShader = LuminosityShader; |
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} )();
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