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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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82 lines
1.6 KiB
82 lines
1.6 KiB
( function () { |
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class LineGeometry extends THREE.LineSegmentsGeometry { |
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constructor() { |
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super(); |
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this.type = 'LineGeometry'; |
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} |
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setPositions( array ) { |
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// converts [ x1, y1, z1, x2, y2, z2, ... ] to pairs format |
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var length = array.length - 3; |
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var points = new Float32Array( 2 * length ); |
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for ( var i = 0; i < length; i += 3 ) { |
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points[ 2 * i ] = array[ i ]; |
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points[ 2 * i + 1 ] = array[ i + 1 ]; |
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points[ 2 * i + 2 ] = array[ i + 2 ]; |
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points[ 2 * i + 3 ] = array[ i + 3 ]; |
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points[ 2 * i + 4 ] = array[ i + 4 ]; |
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points[ 2 * i + 5 ] = array[ i + 5 ]; |
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} |
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super.setPositions( points ); |
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return this; |
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} |
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setColors( array ) { |
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// converts [ r1, g1, b1, r2, g2, b2, ... ] to pairs format |
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var length = array.length - 3; |
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var colors = new Float32Array( 2 * length ); |
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for ( var i = 0; i < length; i += 3 ) { |
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colors[ 2 * i ] = array[ i ]; |
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colors[ 2 * i + 1 ] = array[ i + 1 ]; |
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colors[ 2 * i + 2 ] = array[ i + 2 ]; |
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colors[ 2 * i + 3 ] = array[ i + 3 ]; |
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colors[ 2 * i + 4 ] = array[ i + 4 ]; |
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colors[ 2 * i + 5 ] = array[ i + 5 ]; |
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} |
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super.setColors( colors ); |
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return this; |
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} |
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fromLine( line ) { |
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var geometry = line.geometry; |
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if ( geometry.isGeometry ) { |
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console.error( 'THREE.LineGeometry no longer supports Geometry. Use THREE.BufferGeometry instead.' ); |
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return; |
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} else if ( geometry.isBufferGeometry ) { |
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this.setPositions( geometry.attributes.position.array ); // assumes non-indexed |
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} // set colors, maybe |
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return this; |
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} |
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} |
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LineGeometry.prototype.isLineGeometry = true; |
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THREE.LineGeometry = LineGeometry; |
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} )();
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