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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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77 lines
1.5 KiB
77 lines
1.5 KiB
import { |
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ShaderMaterial, |
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UniformsUtils |
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} from 'three'; |
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import { Pass, FullScreenQuad } from './Pass.js'; |
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import { HalftoneShader } from '../shaders/HalftoneShader.js'; |
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/** |
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* RGB Halftone pass for three.js effects composer. Requires HalftoneShader. |
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*/ |
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class HalftonePass extends Pass { |
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constructor( width, height, params ) { |
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super(); |
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if ( HalftoneShader === undefined ) { |
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console.error( 'THREE.HalftonePass requires HalftoneShader' ); |
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} |
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this.uniforms = UniformsUtils.clone( HalftoneShader.uniforms ); |
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this.material = new ShaderMaterial( { |
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uniforms: this.uniforms, |
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fragmentShader: HalftoneShader.fragmentShader, |
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vertexShader: HalftoneShader.vertexShader |
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} ); |
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// set params |
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this.uniforms.width.value = width; |
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this.uniforms.height.value = height; |
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for ( const key in params ) { |
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if ( params.hasOwnProperty( key ) && this.uniforms.hasOwnProperty( key ) ) { |
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this.uniforms[ key ].value = params[ key ]; |
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} |
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} |
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this.fsQuad = new FullScreenQuad( this.material ); |
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} |
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render( renderer, writeBuffer, readBuffer/*, deltaTime, maskActive*/ ) { |
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this.material.uniforms[ 'tDiffuse' ].value = readBuffer.texture; |
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if ( this.renderToScreen ) { |
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renderer.setRenderTarget( null ); |
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this.fsQuad.render( renderer ); |
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} else { |
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renderer.setRenderTarget( writeBuffer ); |
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if ( this.clear ) renderer.clear(); |
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this.fsQuad.render( renderer ); |
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} |
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} |
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setSize( width, height ) { |
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this.uniforms.width.value = width; |
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this.uniforms.height.value = height; |
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} |
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} |
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export { HalftonePass };
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