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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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75 lines
1.2 KiB
75 lines
1.2 KiB
import { TempNode } from '../core/TempNode.js'; |
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import { FunctionNode } from '../core/FunctionNode.js'; |
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import { UVNode } from '../accessors/UVNode.js'; |
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class CheckerNode extends TempNode { |
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constructor( uv ) { |
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super( 'f' ); |
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this.uv = uv || new UVNode(); |
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} |
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generate( builder, output ) { |
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const snoise = builder.include( CheckerNode.Nodes.checker ); |
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return builder.format( snoise + '( ' + this.uv.build( builder, 'v2' ) + ' )', this.getType( builder ), output ); |
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} |
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copy( source ) { |
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super.copy( source ); |
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this.uv = source.uv; |
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return this; |
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} |
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toJSON( meta ) { |
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let data = this.getJSONNode( meta ); |
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if ( ! data ) { |
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data = this.createJSONNode( meta ); |
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data.uv = this.uv.toJSON( meta ).uuid; |
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} |
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return data; |
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} |
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} |
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CheckerNode.Nodes = ( function () { |
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// https://github.com/mattdesl/glsl-checker/blob/master/index.glsl |
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const checker = new FunctionNode( /* glsl */` |
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float checker( vec2 uv ) { |
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float cx = floor( uv.x ); |
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float cy = floor( uv.y ); |
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float result = mod( cx + cy, 2.0 ); |
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return sign( result ); |
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}` |
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); |
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return { |
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checker: checker |
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}; |
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} )(); |
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CheckerNode.prototype.nodeType = 'Noise'; |
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export { CheckerNode };
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