Dies ist das Repository meines kleinen Portfolios.
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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1176 lines
37 KiB
1176 lines
37 KiB
import { |
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BufferAttribute, |
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BufferGeometry, |
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Color, |
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DynamicDrawUsage, |
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Mesh |
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} from 'three'; |
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/** |
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* Port of http://webglsamples.org/blob/blob.html |
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*/ |
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class MarchingCubes extends Mesh { |
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constructor( resolution, material, enableUvs = false, enableColors = false, maxPolyCount = 10000 ) { |
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const geometry = new BufferGeometry(); |
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super( geometry, material ); |
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const scope = this; |
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// temp buffers used in polygonize |
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const vlist = new Float32Array( 12 * 3 ); |
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const nlist = new Float32Array( 12 * 3 ); |
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const clist = new Float32Array( 12 * 3 ); |
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this.enableUvs = enableUvs; |
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this.enableColors = enableColors; |
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// functions have to be object properties |
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// prototype functions kill performance |
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// (tested and it was 4x slower !!!) |
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this.init = function ( resolution ) { |
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this.resolution = resolution; |
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// parameters |
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this.isolation = 80.0; |
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// size of field, 32 is pushing it in Javascript :) |
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this.size = resolution; |
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this.size2 = this.size * this.size; |
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this.size3 = this.size2 * this.size; |
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this.halfsize = this.size / 2.0; |
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// deltas |
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this.delta = 2.0 / this.size; |
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this.yd = this.size; |
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this.zd = this.size2; |
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this.field = new Float32Array( this.size3 ); |
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this.normal_cache = new Float32Array( this.size3 * 3 ); |
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this.palette = new Float32Array( this.size3 * 3 ); |
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// |
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this.count = 0; |
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const maxVertexCount = maxPolyCount * 3; |
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this.positionArray = new Float32Array( maxVertexCount * 3 ); |
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const positionAttribute = new BufferAttribute( this.positionArray, 3 ); |
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positionAttribute.setUsage( DynamicDrawUsage ); |
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geometry.setAttribute( 'position', positionAttribute ); |
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this.normalArray = new Float32Array( maxVertexCount * 3 ); |
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const normalAttribute = new BufferAttribute( this.normalArray, 3 ); |
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normalAttribute.setUsage( DynamicDrawUsage ); |
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geometry.setAttribute( 'normal', normalAttribute ); |
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if ( this.enableUvs ) { |
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this.uvArray = new Float32Array( maxVertexCount * 2 ); |
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const uvAttribute = new BufferAttribute( this.uvArray, 2 ); |
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uvAttribute.setUsage( DynamicDrawUsage ); |
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geometry.setAttribute( 'uv', uvAttribute ); |
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} |
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if ( this.enableColors ) { |
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this.colorArray = new Float32Array( maxVertexCount * 3 ); |
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const colorAttribute = new BufferAttribute( this.colorArray, 3 ); |
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colorAttribute.setUsage( DynamicDrawUsage ); |
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geometry.setAttribute( 'color', colorAttribute ); |
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} |
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}; |
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/////////////////////// |
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// Polygonization |
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/////////////////////// |
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function lerp( a, b, t ) { |
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return a + ( b - a ) * t; |
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} |
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function VIntX( q, offset, isol, x, y, z, valp1, valp2, c_offset1, c_offset2 ) { |
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const mu = ( isol - valp1 ) / ( valp2 - valp1 ), |
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nc = scope.normal_cache; |
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vlist[ offset + 0 ] = x + mu * scope.delta; |
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vlist[ offset + 1 ] = y; |
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vlist[ offset + 2 ] = z; |
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nlist[ offset + 0 ] = lerp( nc[ q + 0 ], nc[ q + 3 ], mu ); |
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nlist[ offset + 1 ] = lerp( nc[ q + 1 ], nc[ q + 4 ], mu ); |
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nlist[ offset + 2 ] = lerp( nc[ q + 2 ], nc[ q + 5 ], mu ); |
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clist[ offset + 0 ] = lerp( scope.palette[ c_offset1 * 3 + 0 ], scope.palette[ c_offset2 * 3 + 0 ], mu ); |
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clist[ offset + 1 ] = lerp( scope.palette[ c_offset1 * 3 + 1 ], scope.palette[ c_offset2 * 3 + 1 ], mu ); |
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clist[ offset + 2 ] = lerp( scope.palette[ c_offset1 * 3 + 2 ], scope.palette[ c_offset2 * 3 + 2 ], mu ); |
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} |
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function VIntY( q, offset, isol, x, y, z, valp1, valp2, c_offset1, c_offset2 ) { |
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const mu = ( isol - valp1 ) / ( valp2 - valp1 ), |
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nc = scope.normal_cache; |
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vlist[ offset + 0 ] = x; |
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vlist[ offset + 1 ] = y + mu * scope.delta; |
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vlist[ offset + 2 ] = z; |
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const q2 = q + scope.yd * 3; |
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nlist[ offset + 0 ] = lerp( nc[ q + 0 ], nc[ q2 + 0 ], mu ); |
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nlist[ offset + 1 ] = lerp( nc[ q + 1 ], nc[ q2 + 1 ], mu ); |
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nlist[ offset + 2 ] = lerp( nc[ q + 2 ], nc[ q2 + 2 ], mu ); |
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clist[ offset + 0 ] = lerp( scope.palette[ c_offset1 * 3 + 0 ], scope.palette[ c_offset2 * 3 + 0 ], mu ); |
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clist[ offset + 1 ] = lerp( scope.palette[ c_offset1 * 3 + 1 ], scope.palette[ c_offset2 * 3 + 1 ], mu ); |
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clist[ offset + 2 ] = lerp( scope.palette[ c_offset1 * 3 + 2 ], scope.palette[ c_offset2 * 3 + 2 ], mu ); |
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} |
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function VIntZ( q, offset, isol, x, y, z, valp1, valp2, c_offset1, c_offset2 ) { |
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const mu = ( isol - valp1 ) / ( valp2 - valp1 ), |
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nc = scope.normal_cache; |
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vlist[ offset + 0 ] = x; |
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vlist[ offset + 1 ] = y; |
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vlist[ offset + 2 ] = z + mu * scope.delta; |
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const q2 = q + scope.zd * 3; |
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nlist[ offset + 0 ] = lerp( nc[ q + 0 ], nc[ q2 + 0 ], mu ); |
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nlist[ offset + 1 ] = lerp( nc[ q + 1 ], nc[ q2 + 1 ], mu ); |
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nlist[ offset + 2 ] = lerp( nc[ q + 2 ], nc[ q2 + 2 ], mu ); |
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clist[ offset + 0 ] = lerp( scope.palette[ c_offset1 * 3 + 0 ], scope.palette[ c_offset2 * 3 + 0 ], mu ); |
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clist[ offset + 1 ] = lerp( scope.palette[ c_offset1 * 3 + 1 ], scope.palette[ c_offset2 * 3 + 1 ], mu ); |
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clist[ offset + 2 ] = lerp( scope.palette[ c_offset1 * 3 + 2 ], scope.palette[ c_offset2 * 3 + 2 ], mu ); |
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} |
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function compNorm( q ) { |
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const q3 = q * 3; |
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if ( scope.normal_cache[ q3 ] === 0.0 ) { |
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scope.normal_cache[ q3 + 0 ] = scope.field[ q - 1 ] - scope.field[ q + 1 ]; |
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scope.normal_cache[ q3 + 1 ] = |
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scope.field[ q - scope.yd ] - scope.field[ q + scope.yd ]; |
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scope.normal_cache[ q3 + 2 ] = |
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scope.field[ q - scope.zd ] - scope.field[ q + scope.zd ]; |
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} |
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} |
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// Returns total number of triangles. Fills triangles. |
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// (this is where most of time is spent - it's inner work of O(n3) loop ) |
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function polygonize( fx, fy, fz, q, isol ) { |
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// cache indices |
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const q1 = q + 1, |
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qy = q + scope.yd, |
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qz = q + scope.zd, |
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q1y = q1 + scope.yd, |
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q1z = q1 + scope.zd, |
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qyz = q + scope.yd + scope.zd, |
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q1yz = q1 + scope.yd + scope.zd; |
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let cubeindex = 0; |
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const field0 = scope.field[ q ], |
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field1 = scope.field[ q1 ], |
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field2 = scope.field[ qy ], |
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field3 = scope.field[ q1y ], |
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field4 = scope.field[ qz ], |
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field5 = scope.field[ q1z ], |
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field6 = scope.field[ qyz ], |
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field7 = scope.field[ q1yz ]; |
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if ( field0 < isol ) cubeindex |= 1; |
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if ( field1 < isol ) cubeindex |= 2; |
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if ( field2 < isol ) cubeindex |= 8; |
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if ( field3 < isol ) cubeindex |= 4; |
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if ( field4 < isol ) cubeindex |= 16; |
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if ( field5 < isol ) cubeindex |= 32; |
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if ( field6 < isol ) cubeindex |= 128; |
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if ( field7 < isol ) cubeindex |= 64; |
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// if cube is entirely in/out of the surface - bail, nothing to draw |
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const bits = edgeTable[ cubeindex ]; |
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if ( bits === 0 ) return 0; |
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const d = scope.delta, |
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fx2 = fx + d, |
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fy2 = fy + d, |
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fz2 = fz + d; |
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// top of the cube |
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if ( bits & 1 ) { |
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compNorm( q ); |
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compNorm( q1 ); |
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VIntX( q * 3, 0, isol, fx, fy, fz, field0, field1, q, q1 ); |
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} |
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if ( bits & 2 ) { |
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compNorm( q1 ); |
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compNorm( q1y ); |
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VIntY( q1 * 3, 3, isol, fx2, fy, fz, field1, field3, q1, q1y ); |
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} |
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if ( bits & 4 ) { |
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compNorm( qy ); |
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compNorm( q1y ); |
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VIntX( qy * 3, 6, isol, fx, fy2, fz, field2, field3, qy, q1y ); |
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} |
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if ( bits & 8 ) { |
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compNorm( q ); |
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compNorm( qy ); |
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VIntY( q * 3, 9, isol, fx, fy, fz, field0, field2, q, qy ); |
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} |
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// bottom of the cube |
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if ( bits & 16 ) { |
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compNorm( qz ); |
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compNorm( q1z ); |
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VIntX( qz * 3, 12, isol, fx, fy, fz2, field4, field5, qz, q1z ); |
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} |
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if ( bits & 32 ) { |
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compNorm( q1z ); |
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compNorm( q1yz ); |
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VIntY( |
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q1z * 3, |
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15, |
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isol, |
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fx2, |
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fy, |
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fz2, |
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field5, |
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field7, |
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q1z, |
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q1yz |
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); |
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} |
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if ( bits & 64 ) { |
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compNorm( qyz ); |
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compNorm( q1yz ); |
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VIntX( |
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qyz * 3, |
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18, |
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isol, |
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fx, |
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fy2, |
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fz2, |
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field6, |
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field7, |
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qyz, |
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q1yz |
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); |
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} |
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if ( bits & 128 ) { |
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compNorm( qz ); |
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compNorm( qyz ); |
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VIntY( qz * 3, 21, isol, fx, fy, fz2, field4, field6, qz, qyz ); |
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} |
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// vertical lines of the cube |
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if ( bits & 256 ) { |
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compNorm( q ); |
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compNorm( qz ); |
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VIntZ( q * 3, 24, isol, fx, fy, fz, field0, field4, q, qz ); |
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} |
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if ( bits & 512 ) { |
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compNorm( q1 ); |
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compNorm( q1z ); |
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VIntZ( q1 * 3, 27, isol, fx2, fy, fz, field1, field5, q1, q1z ); |
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} |
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if ( bits & 1024 ) { |
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compNorm( q1y ); |
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compNorm( q1yz ); |
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VIntZ( |
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q1y * 3, |
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30, |
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isol, |
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fx2, |
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fy2, |
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fz, |
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field3, |
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field7, |
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q1y, |
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q1yz |
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); |
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} |
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if ( bits & 2048 ) { |
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compNorm( qy ); |
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compNorm( qyz ); |
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VIntZ( qy * 3, 33, isol, fx, fy2, fz, field2, field6, qy, qyz ); |
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} |
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cubeindex <<= 4; // re-purpose cubeindex into an offset into triTable |
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let o1, |
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o2, |
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o3, |
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numtris = 0, |
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i = 0; |
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// here is where triangles are created |
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while ( triTable[ cubeindex + i ] != - 1 ) { |
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o1 = cubeindex + i; |
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o2 = o1 + 1; |
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o3 = o1 + 2; |
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posnormtriv( |
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vlist, |
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nlist, |
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clist, |
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3 * triTable[ o1 ], |
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3 * triTable[ o2 ], |
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3 * triTable[ o3 ] |
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); |
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i += 3; |
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numtris ++; |
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} |
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return numtris; |
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} |
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function posnormtriv( pos, norm, colors, o1, o2, o3 ) { |
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const c = scope.count * 3; |
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// positions |
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scope.positionArray[ c + 0 ] = pos[ o1 ]; |
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scope.positionArray[ c + 1 ] = pos[ o1 + 1 ]; |
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scope.positionArray[ c + 2 ] = pos[ o1 + 2 ]; |
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scope.positionArray[ c + 3 ] = pos[ o2 ]; |
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scope.positionArray[ c + 4 ] = pos[ o2 + 1 ]; |
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scope.positionArray[ c + 5 ] = pos[ o2 + 2 ]; |
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scope.positionArray[ c + 6 ] = pos[ o3 ]; |
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scope.positionArray[ c + 7 ] = pos[ o3 + 1 ]; |
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scope.positionArray[ c + 8 ] = pos[ o3 + 2 ]; |
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// normals |
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if ( scope.material.flatShading === true ) { |
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const nx = ( norm[ o1 + 0 ] + norm[ o2 + 0 ] + norm[ o3 + 0 ] ) / 3; |
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const ny = ( norm[ o1 + 1 ] + norm[ o2 + 1 ] + norm[ o3 + 1 ] ) / 3; |
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const nz = ( norm[ o1 + 2 ] + norm[ o2 + 2 ] + norm[ o3 + 2 ] ) / 3; |
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scope.normalArray[ c + 0 ] = nx; |
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scope.normalArray[ c + 1 ] = ny; |
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scope.normalArray[ c + 2 ] = nz; |
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scope.normalArray[ c + 3 ] = nx; |
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scope.normalArray[ c + 4 ] = ny; |
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scope.normalArray[ c + 5 ] = nz; |
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scope.normalArray[ c + 6 ] = nx; |
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scope.normalArray[ c + 7 ] = ny; |
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scope.normalArray[ c + 8 ] = nz; |
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} else { |
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scope.normalArray[ c + 0 ] = norm[ o1 + 0 ]; |
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scope.normalArray[ c + 1 ] = norm[ o1 + 1 ]; |
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scope.normalArray[ c + 2 ] = norm[ o1 + 2 ]; |
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scope.normalArray[ c + 3 ] = norm[ o2 + 0 ]; |
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scope.normalArray[ c + 4 ] = norm[ o2 + 1 ]; |
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scope.normalArray[ c + 5 ] = norm[ o2 + 2 ]; |
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scope.normalArray[ c + 6 ] = norm[ o3 + 0 ]; |
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scope.normalArray[ c + 7 ] = norm[ o3 + 1 ]; |
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scope.normalArray[ c + 8 ] = norm[ o3 + 2 ]; |
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} |
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// uvs |
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if ( scope.enableUvs ) { |
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const d = scope.count * 2; |
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scope.uvArray[ d + 0 ] = pos[ o1 + 0 ]; |
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scope.uvArray[ d + 1 ] = pos[ o1 + 2 ]; |
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scope.uvArray[ d + 2 ] = pos[ o2 + 0 ]; |
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scope.uvArray[ d + 3 ] = pos[ o2 + 2 ]; |
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scope.uvArray[ d + 4 ] = pos[ o3 + 0 ]; |
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scope.uvArray[ d + 5 ] = pos[ o3 + 2 ]; |
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} |
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// colors |
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if ( scope.enableColors ) { |
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scope.colorArray[ c + 0 ] = colors[ o1 + 0 ]; |
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scope.colorArray[ c + 1 ] = colors[ o1 + 1 ]; |
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scope.colorArray[ c + 2 ] = colors[ o1 + 2 ]; |
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scope.colorArray[ c + 3 ] = colors[ o2 + 0 ]; |
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scope.colorArray[ c + 4 ] = colors[ o2 + 1 ]; |
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scope.colorArray[ c + 5 ] = colors[ o2 + 2 ]; |
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scope.colorArray[ c + 6 ] = colors[ o3 + 0 ]; |
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scope.colorArray[ c + 7 ] = colors[ o3 + 1 ]; |
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scope.colorArray[ c + 8 ] = colors[ o3 + 2 ]; |
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} |
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scope.count += 3; |
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} |
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///////////////////////////////////// |
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// Metaballs |
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///////////////////////////////////// |
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// Adds a reciprocal ball (nice and blobby) that, to be fast, fades to zero after |
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// a fixed distance, determined by strength and subtract. |
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this.addBall = function ( ballx, bally, ballz, strength, subtract, colors ) { |
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const sign = Math.sign( strength ); |
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strength = Math.abs( strength ); |
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const userDefineColor = ! ( colors === undefined || colors === null ); |
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let ballColor = new Color( ballx, bally, ballz ); |
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if ( userDefineColor ) { |
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try { |
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ballColor = |
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colors instanceof Color |
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? colors |
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: Array.isArray( colors ) |
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? new Color( |
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Math.min( Math.abs( colors[ 0 ] ), 1 ), |
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Math.min( Math.abs( colors[ 1 ] ), 1 ), |
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Math.min( Math.abs( colors[ 2 ] ), 1 ) |
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) |
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: new Color( colors ); |
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} catch ( err ) { |
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ballColor = new Color( ballx, bally, ballz ); |
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} |
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} |
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// Let's solve the equation to find the radius: |
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// 1.0 / (0.000001 + radius^2) * strength - subtract = 0 |
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// strength / (radius^2) = subtract |
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// strength = subtract * radius^2 |
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// radius^2 = strength / subtract |
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// radius = sqrt(strength / subtract) |
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const radius = this.size * Math.sqrt( strength / subtract ), |
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zs = ballz * this.size, |
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ys = bally * this.size, |
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xs = ballx * this.size; |
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let min_z = Math.floor( zs - radius ); |
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if ( min_z < 1 ) min_z = 1; |
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let max_z = Math.floor( zs + radius ); |
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if ( max_z > this.size - 1 ) max_z = this.size - 1; |
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let min_y = Math.floor( ys - radius ); |
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if ( min_y < 1 ) min_y = 1; |
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let max_y = Math.floor( ys + radius ); |
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if ( max_y > this.size - 1 ) max_y = this.size - 1; |
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let min_x = Math.floor( xs - radius ); |
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if ( min_x < 1 ) min_x = 1; |
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let max_x = Math.floor( xs + radius ); |
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if ( max_x > this.size - 1 ) max_x = this.size - 1; |
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|
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// Don't polygonize in the outer layer because normals aren't |
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// well-defined there. |
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let x, y, z, y_offset, z_offset, fx, fy, fz, fz2, fy2, val; |
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for ( z = min_z; z < max_z; z ++ ) { |
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z_offset = this.size2 * z; |
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fz = z / this.size - ballz; |
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fz2 = fz * fz; |
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for ( y = min_y; y < max_y; y ++ ) { |
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y_offset = z_offset + this.size * y; |
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fy = y / this.size - bally; |
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fy2 = fy * fy; |
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for ( x = min_x; x < max_x; x ++ ) { |
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fx = x / this.size - ballx; |
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val = strength / ( 0.000001 + fx * fx + fy2 + fz2 ) - subtract; |
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if ( val > 0.0 ) { |
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|
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this.field[ y_offset + x ] += val * sign; |
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|
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// optimization |
|
// http://www.geisswerks.com/ryan/BLOBS/blobs.html |
|
const ratio = |
|
Math.sqrt( ( x - xs ) * ( x - xs ) + ( y - ys ) * ( y - ys ) + ( z - zs ) * ( z - zs ) ) / radius; |
|
const contrib = |
|
1 - ratio * ratio * ratio * ( ratio * ( ratio * 6 - 15 ) + 10 ); |
|
this.palette[ ( y_offset + x ) * 3 + 0 ] += ballColor.r * contrib; |
|
this.palette[ ( y_offset + x ) * 3 + 1 ] += ballColor.g * contrib; |
|
this.palette[ ( y_offset + x ) * 3 + 2 ] += ballColor.b * contrib; |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
}; |
|
|
|
this.addPlaneX = function ( strength, subtract ) { |
|
|
|
// cache attribute lookups |
|
const size = this.size, |
|
yd = this.yd, |
|
zd = this.zd, |
|
field = this.field; |
|
|
|
let x, |
|
y, |
|
z, |
|
xx, |
|
val, |
|
xdiv, |
|
cxy, |
|
dist = size * Math.sqrt( strength / subtract ); |
|
|
|
if ( dist > size ) dist = size; |
|
|
|
for ( x = 0; x < dist; x ++ ) { |
|
|
|
xdiv = x / size; |
|
xx = xdiv * xdiv; |
|
val = strength / ( 0.0001 + xx ) - subtract; |
|
|
|
if ( val > 0.0 ) { |
|
|
|
for ( y = 0; y < size; y ++ ) { |
|
|
|
cxy = x + y * yd; |
|
|
|
for ( z = 0; z < size; z ++ ) { |
|
|
|
field[ zd * z + cxy ] += val; |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
}; |
|
|
|
this.addPlaneY = function ( strength, subtract ) { |
|
|
|
// cache attribute lookups |
|
const size = this.size, |
|
yd = this.yd, |
|
zd = this.zd, |
|
field = this.field; |
|
|
|
let x, |
|
y, |
|
z, |
|
yy, |
|
val, |
|
ydiv, |
|
cy, |
|
cxy, |
|
dist = size * Math.sqrt( strength / subtract ); |
|
|
|
if ( dist > size ) dist = size; |
|
|
|
for ( y = 0; y < dist; y ++ ) { |
|
|
|
ydiv = y / size; |
|
yy = ydiv * ydiv; |
|
val = strength / ( 0.0001 + yy ) - subtract; |
|
|
|
if ( val > 0.0 ) { |
|
|
|
cy = y * yd; |
|
|
|
for ( x = 0; x < size; x ++ ) { |
|
|
|
cxy = cy + x; |
|
|
|
for ( z = 0; z < size; z ++ ) field[ zd * z + cxy ] += val; |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
}; |
|
|
|
this.addPlaneZ = function ( strength, subtract ) { |
|
|
|
// cache attribute lookups |
|
|
|
const size = this.size, |
|
yd = this.yd, |
|
zd = this.zd, |
|
field = this.field; |
|
|
|
let x, |
|
y, |
|
z, |
|
zz, |
|
val, |
|
zdiv, |
|
cz, |
|
cyz, |
|
dist = size * Math.sqrt( strength / subtract ); |
|
|
|
if ( dist > size ) dist = size; |
|
|
|
for ( z = 0; z < dist; z ++ ) { |
|
|
|
zdiv = z / size; |
|
zz = zdiv * zdiv; |
|
val = strength / ( 0.0001 + zz ) - subtract; |
|
if ( val > 0.0 ) { |
|
|
|
cz = zd * z; |
|
|
|
for ( y = 0; y < size; y ++ ) { |
|
|
|
cyz = cz + y * yd; |
|
|
|
for ( x = 0; x < size; x ++ ) field[ cyz + x ] += val; |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
}; |
|
|
|
///////////////////////////////////// |
|
// Updates |
|
///////////////////////////////////// |
|
|
|
this.setCell = function ( x, y, z, value ) { |
|
|
|
const index = this.size2 * z + this.size * y + x; |
|
this.field[ index ] = value; |
|
|
|
}; |
|
|
|
this.getCell = function ( x, y, z ) { |
|
|
|
const index = this.size2 * z + this.size * y + x; |
|
return this.field[ index ]; |
|
|
|
}; |
|
|
|
this.blur = function ( intensity = 1 ) { |
|
|
|
const field = this.field; |
|
const fieldCopy = field.slice(); |
|
const size = this.size; |
|
const size2 = this.size2; |
|
for ( let x = 0; x < size; x ++ ) { |
|
|
|
for ( let y = 0; y < size; y ++ ) { |
|
|
|
for ( let z = 0; z < size; z ++ ) { |
|
|
|
const index = size2 * z + size * y + x; |
|
let val = fieldCopy[ index ]; |
|
let count = 1; |
|
|
|
for ( let x2 = - 1; x2 <= 1; x2 += 2 ) { |
|
|
|
const x3 = x2 + x; |
|
if ( x3 < 0 || x3 >= size ) continue; |
|
|
|
for ( let y2 = - 1; y2 <= 1; y2 += 2 ) { |
|
|
|
const y3 = y2 + y; |
|
if ( y3 < 0 || y3 >= size ) continue; |
|
|
|
for ( let z2 = - 1; z2 <= 1; z2 += 2 ) { |
|
|
|
const z3 = z2 + z; |
|
if ( z3 < 0 || z3 >= size ) continue; |
|
|
|
const index2 = size2 * z3 + size * y3 + x3; |
|
const val2 = fieldCopy[ index2 ]; |
|
|
|
count ++; |
|
val += intensity * ( val2 - val ) / count; |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
field[ index ] = val; |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
}; |
|
|
|
this.reset = function () { |
|
|
|
// wipe the normal cache |
|
|
|
for ( let i = 0; i < this.size3; i ++ ) { |
|
|
|
this.normal_cache[ i * 3 ] = 0.0; |
|
this.field[ i ] = 0.0; |
|
this.palette[ i * 3 ] = this.palette[ i * 3 + 1 ] = this.palette[ |
|
i * 3 + 2 |
|
] = 0.0; |
|
|
|
} |
|
|
|
}; |
|
|
|
this.onBeforeRender = function () { |
|
|
|
this.count = 0; |
|
|
|
// Triangulate. Yeah, this is slow. |
|
|
|
const smin2 = this.size - 2; |
|
|
|
for ( let z = 1; z < smin2; z ++ ) { |
|
|
|
const z_offset = this.size2 * z; |
|
const fz = ( z - this.halfsize ) / this.halfsize; //+ 1 |
|
|
|
for ( let y = 1; y < smin2; y ++ ) { |
|
|
|
const y_offset = z_offset + this.size * y; |
|
const fy = ( y - this.halfsize ) / this.halfsize; //+ 1 |
|
|
|
for ( let x = 1; x < smin2; x ++ ) { |
|
|
|
const fx = ( x - this.halfsize ) / this.halfsize; //+ 1 |
|
const q = y_offset + x; |
|
|
|
polygonize( fx, fy, fz, q, this.isolation ); |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
// reset unneeded data |
|
|
|
for ( let i = this.count * 3; i < this.positionArray.length; i ++ ) { |
|
|
|
this.positionArray[ i ] = 0.0; |
|
|
|
} |
|
|
|
// update geometry data |
|
|
|
geometry.getAttribute( 'position' ).needsUpdate = true; |
|
geometry.getAttribute( 'normal' ).needsUpdate = true; |
|
|
|
if ( this.enableUvs ) geometry.getAttribute( 'uv' ).needsUpdate = true; |
|
if ( this.enableColors ) geometry.getAttribute( 'color' ).needsUpdate = true; |
|
|
|
// safety check |
|
|
|
if ( this.count / 3 > maxPolyCount ) console.warn( 'THREE.MarchingCubes: Geometry buffers too small for rendering. Please create an instance with a higher poly count.' ); |
|
|
|
}; |
|
|
|
this.init( resolution ); |
|
|
|
} |
|
|
|
} |
|
|
|
MarchingCubes.prototype.isMarchingCubes = true; |
|
|
|
///////////////////////////////////// |
|
// Marching cubes lookup tables |
|
///////////////////////////////////// |
|
|
|
// These tables are straight from Paul Bourke's page: |
|
// http://paulbourke.net/geometry/polygonise/ |
|
// who in turn got them from Cory Gene Bloyd. |
|
|
|
const edgeTable = new Int32Array( [ |
|
0x0, 0x109, 0x203, 0x30a, 0x406, 0x50f, 0x605, 0x70c, |
|
0x80c, 0x905, 0xa0f, 0xb06, 0xc0a, 0xd03, 0xe09, 0xf00, |
|
0x190, 0x99, 0x393, 0x29a, 0x596, 0x49f, 0x795, 0x69c, |
|
0x99c, 0x895, 0xb9f, 0xa96, 0xd9a, 0xc93, 0xf99, 0xe90, |
|
0x230, 0x339, 0x33, 0x13a, 0x636, 0x73f, 0x435, 0x53c, |
|
0xa3c, 0xb35, 0x83f, 0x936, 0xe3a, 0xf33, 0xc39, 0xd30, |
|
0x3a0, 0x2a9, 0x1a3, 0xaa, 0x7a6, 0x6af, 0x5a5, 0x4ac, |
|
0xbac, 0xaa5, 0x9af, 0x8a6, 0xfaa, 0xea3, 0xda9, 0xca0, |
|
0x460, 0x569, 0x663, 0x76a, 0x66, 0x16f, 0x265, 0x36c, |
|
0xc6c, 0xd65, 0xe6f, 0xf66, 0x86a, 0x963, 0xa69, 0xb60, |
|
0x5f0, 0x4f9, 0x7f3, 0x6fa, 0x1f6, 0xff, 0x3f5, 0x2fc, |
|
0xdfc, 0xcf5, 0xfff, 0xef6, 0x9fa, 0x8f3, 0xbf9, 0xaf0, |
|
0x650, 0x759, 0x453, 0x55a, 0x256, 0x35f, 0x55, 0x15c, |
|
0xe5c, 0xf55, 0xc5f, 0xd56, 0xa5a, 0xb53, 0x859, 0x950, |
|
0x7c0, 0x6c9, 0x5c3, 0x4ca, 0x3c6, 0x2cf, 0x1c5, 0xcc, |
|
0xfcc, 0xec5, 0xdcf, 0xcc6, 0xbca, 0xac3, 0x9c9, 0x8c0, |
|
0x8c0, 0x9c9, 0xac3, 0xbca, 0xcc6, 0xdcf, 0xec5, 0xfcc, |
|
0xcc, 0x1c5, 0x2cf, 0x3c6, 0x4ca, 0x5c3, 0x6c9, 0x7c0, |
|
0x950, 0x859, 0xb53, 0xa5a, 0xd56, 0xc5f, 0xf55, 0xe5c, |
|
0x15c, 0x55, 0x35f, 0x256, 0x55a, 0x453, 0x759, 0x650, |
|
0xaf0, 0xbf9, 0x8f3, 0x9fa, 0xef6, 0xfff, 0xcf5, 0xdfc, |
|
0x2fc, 0x3f5, 0xff, 0x1f6, 0x6fa, 0x7f3, 0x4f9, 0x5f0, |
|
0xb60, 0xa69, 0x963, 0x86a, 0xf66, 0xe6f, 0xd65, 0xc6c, |
|
0x36c, 0x265, 0x16f, 0x66, 0x76a, 0x663, 0x569, 0x460, |
|
0xca0, 0xda9, 0xea3, 0xfaa, 0x8a6, 0x9af, 0xaa5, 0xbac, |
|
0x4ac, 0x5a5, 0x6af, 0x7a6, 0xaa, 0x1a3, 0x2a9, 0x3a0, |
|
0xd30, 0xc39, 0xf33, 0xe3a, 0x936, 0x83f, 0xb35, 0xa3c, |
|
0x53c, 0x435, 0x73f, 0x636, 0x13a, 0x33, 0x339, 0x230, |
|
0xe90, 0xf99, 0xc93, 0xd9a, 0xa96, 0xb9f, 0x895, 0x99c, |
|
0x69c, 0x795, 0x49f, 0x596, 0x29a, 0x393, 0x99, 0x190, |
|
0xf00, 0xe09, 0xd03, 0xc0a, 0xb06, 0xa0f, 0x905, 0x80c, |
|
0x70c, 0x605, 0x50f, 0x406, 0x30a, 0x203, 0x109, 0x0 ] ); |
|
|
|
const triTable = new Int32Array( [ |
|
- 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 8, 3, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 1, 9, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 8, 3, 9, 8, 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 2, 10, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 8, 3, 1, 2, 10, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
9, 2, 10, 0, 2, 9, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
2, 8, 3, 2, 10, 8, 10, 9, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
3, 11, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 11, 2, 8, 11, 0, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 9, 0, 2, 3, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 11, 2, 1, 9, 11, 9, 8, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
3, 10, 1, 11, 10, 3, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 10, 1, 0, 8, 10, 8, 11, 10, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
3, 9, 0, 3, 11, 9, 11, 10, 9, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
9, 8, 10, 10, 8, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
4, 7, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
4, 3, 0, 7, 3, 4, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 1, 9, 8, 4, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
4, 1, 9, 4, 7, 1, 7, 3, 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 2, 10, 8, 4, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
3, 4, 7, 3, 0, 4, 1, 2, 10, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
9, 2, 10, 9, 0, 2, 8, 4, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
2, 10, 9, 2, 9, 7, 2, 7, 3, 7, 9, 4, - 1, - 1, - 1, - 1, |
|
8, 4, 7, 3, 11, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
11, 4, 7, 11, 2, 4, 2, 0, 4, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
9, 0, 1, 8, 4, 7, 2, 3, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
4, 7, 11, 9, 4, 11, 9, 11, 2, 9, 2, 1, - 1, - 1, - 1, - 1, |
|
3, 10, 1, 3, 11, 10, 7, 8, 4, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 11, 10, 1, 4, 11, 1, 0, 4, 7, 11, 4, - 1, - 1, - 1, - 1, |
|
4, 7, 8, 9, 0, 11, 9, 11, 10, 11, 0, 3, - 1, - 1, - 1, - 1, |
|
4, 7, 11, 4, 11, 9, 9, 11, 10, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
9, 5, 4, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
9, 5, 4, 0, 8, 3, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 5, 4, 1, 5, 0, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
8, 5, 4, 8, 3, 5, 3, 1, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 2, 10, 9, 5, 4, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
3, 0, 8, 1, 2, 10, 4, 9, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
5, 2, 10, 5, 4, 2, 4, 0, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
2, 10, 5, 3, 2, 5, 3, 5, 4, 3, 4, 8, - 1, - 1, - 1, - 1, |
|
9, 5, 4, 2, 3, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 11, 2, 0, 8, 11, 4, 9, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 5, 4, 0, 1, 5, 2, 3, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
2, 1, 5, 2, 5, 8, 2, 8, 11, 4, 8, 5, - 1, - 1, - 1, - 1, |
|
10, 3, 11, 10, 1, 3, 9, 5, 4, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
4, 9, 5, 0, 8, 1, 8, 10, 1, 8, 11, 10, - 1, - 1, - 1, - 1, |
|
5, 4, 0, 5, 0, 11, 5, 11, 10, 11, 0, 3, - 1, - 1, - 1, - 1, |
|
5, 4, 8, 5, 8, 10, 10, 8, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
9, 7, 8, 5, 7, 9, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
9, 3, 0, 9, 5, 3, 5, 7, 3, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 7, 8, 0, 1, 7, 1, 5, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 5, 3, 3, 5, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
9, 7, 8, 9, 5, 7, 10, 1, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
10, 1, 2, 9, 5, 0, 5, 3, 0, 5, 7, 3, - 1, - 1, - 1, - 1, |
|
8, 0, 2, 8, 2, 5, 8, 5, 7, 10, 5, 2, - 1, - 1, - 1, - 1, |
|
2, 10, 5, 2, 5, 3, 3, 5, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
7, 9, 5, 7, 8, 9, 3, 11, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
9, 5, 7, 9, 7, 2, 9, 2, 0, 2, 7, 11, - 1, - 1, - 1, - 1, |
|
2, 3, 11, 0, 1, 8, 1, 7, 8, 1, 5, 7, - 1, - 1, - 1, - 1, |
|
11, 2, 1, 11, 1, 7, 7, 1, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
9, 5, 8, 8, 5, 7, 10, 1, 3, 10, 3, 11, - 1, - 1, - 1, - 1, |
|
5, 7, 0, 5, 0, 9, 7, 11, 0, 1, 0, 10, 11, 10, 0, - 1, |
|
11, 10, 0, 11, 0, 3, 10, 5, 0, 8, 0, 7, 5, 7, 0, - 1, |
|
11, 10, 5, 7, 11, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
10, 6, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 8, 3, 5, 10, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
9, 0, 1, 5, 10, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 8, 3, 1, 9, 8, 5, 10, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 6, 5, 2, 6, 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 6, 5, 1, 2, 6, 3, 0, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
9, 6, 5, 9, 0, 6, 0, 2, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
5, 9, 8, 5, 8, 2, 5, 2, 6, 3, 2, 8, - 1, - 1, - 1, - 1, |
|
2, 3, 11, 10, 6, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
11, 0, 8, 11, 2, 0, 10, 6, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 1, 9, 2, 3, 11, 5, 10, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
5, 10, 6, 1, 9, 2, 9, 11, 2, 9, 8, 11, - 1, - 1, - 1, - 1, |
|
6, 3, 11, 6, 5, 3, 5, 1, 3, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 8, 11, 0, 11, 5, 0, 5, 1, 5, 11, 6, - 1, - 1, - 1, - 1, |
|
3, 11, 6, 0, 3, 6, 0, 6, 5, 0, 5, 9, - 1, - 1, - 1, - 1, |
|
6, 5, 9, 6, 9, 11, 11, 9, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
5, 10, 6, 4, 7, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
4, 3, 0, 4, 7, 3, 6, 5, 10, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 9, 0, 5, 10, 6, 8, 4, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
10, 6, 5, 1, 9, 7, 1, 7, 3, 7, 9, 4, - 1, - 1, - 1, - 1, |
|
6, 1, 2, 6, 5, 1, 4, 7, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 2, 5, 5, 2, 6, 3, 0, 4, 3, 4, 7, - 1, - 1, - 1, - 1, |
|
8, 4, 7, 9, 0, 5, 0, 6, 5, 0, 2, 6, - 1, - 1, - 1, - 1, |
|
7, 3, 9, 7, 9, 4, 3, 2, 9, 5, 9, 6, 2, 6, 9, - 1, |
|
3, 11, 2, 7, 8, 4, 10, 6, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
5, 10, 6, 4, 7, 2, 4, 2, 0, 2, 7, 11, - 1, - 1, - 1, - 1, |
|
0, 1, 9, 4, 7, 8, 2, 3, 11, 5, 10, 6, - 1, - 1, - 1, - 1, |
|
9, 2, 1, 9, 11, 2, 9, 4, 11, 7, 11, 4, 5, 10, 6, - 1, |
|
8, 4, 7, 3, 11, 5, 3, 5, 1, 5, 11, 6, - 1, - 1, - 1, - 1, |
|
5, 1, 11, 5, 11, 6, 1, 0, 11, 7, 11, 4, 0, 4, 11, - 1, |
|
0, 5, 9, 0, 6, 5, 0, 3, 6, 11, 6, 3, 8, 4, 7, - 1, |
|
6, 5, 9, 6, 9, 11, 4, 7, 9, 7, 11, 9, - 1, - 1, - 1, - 1, |
|
10, 4, 9, 6, 4, 10, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
4, 10, 6, 4, 9, 10, 0, 8, 3, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
10, 0, 1, 10, 6, 0, 6, 4, 0, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
8, 3, 1, 8, 1, 6, 8, 6, 4, 6, 1, 10, - 1, - 1, - 1, - 1, |
|
1, 4, 9, 1, 2, 4, 2, 6, 4, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
3, 0, 8, 1, 2, 9, 2, 4, 9, 2, 6, 4, - 1, - 1, - 1, - 1, |
|
0, 2, 4, 4, 2, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
8, 3, 2, 8, 2, 4, 4, 2, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
10, 4, 9, 10, 6, 4, 11, 2, 3, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 8, 2, 2, 8, 11, 4, 9, 10, 4, 10, 6, - 1, - 1, - 1, - 1, |
|
3, 11, 2, 0, 1, 6, 0, 6, 4, 6, 1, 10, - 1, - 1, - 1, - 1, |
|
6, 4, 1, 6, 1, 10, 4, 8, 1, 2, 1, 11, 8, 11, 1, - 1, |
|
9, 6, 4, 9, 3, 6, 9, 1, 3, 11, 6, 3, - 1, - 1, - 1, - 1, |
|
8, 11, 1, 8, 1, 0, 11, 6, 1, 9, 1, 4, 6, 4, 1, - 1, |
|
3, 11, 6, 3, 6, 0, 0, 6, 4, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
6, 4, 8, 11, 6, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
7, 10, 6, 7, 8, 10, 8, 9, 10, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 7, 3, 0, 10, 7, 0, 9, 10, 6, 7, 10, - 1, - 1, - 1, - 1, |
|
10, 6, 7, 1, 10, 7, 1, 7, 8, 1, 8, 0, - 1, - 1, - 1, - 1, |
|
10, 6, 7, 10, 7, 1, 1, 7, 3, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 2, 6, 1, 6, 8, 1, 8, 9, 8, 6, 7, - 1, - 1, - 1, - 1, |
|
2, 6, 9, 2, 9, 1, 6, 7, 9, 0, 9, 3, 7, 3, 9, - 1, |
|
7, 8, 0, 7, 0, 6, 6, 0, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
7, 3, 2, 6, 7, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
2, 3, 11, 10, 6, 8, 10, 8, 9, 8, 6, 7, - 1, - 1, - 1, - 1, |
|
2, 0, 7, 2, 7, 11, 0, 9, 7, 6, 7, 10, 9, 10, 7, - 1, |
|
1, 8, 0, 1, 7, 8, 1, 10, 7, 6, 7, 10, 2, 3, 11, - 1, |
|
11, 2, 1, 11, 1, 7, 10, 6, 1, 6, 7, 1, - 1, - 1, - 1, - 1, |
|
8, 9, 6, 8, 6, 7, 9, 1, 6, 11, 6, 3, 1, 3, 6, - 1, |
|
0, 9, 1, 11, 6, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
7, 8, 0, 7, 0, 6, 3, 11, 0, 11, 6, 0, - 1, - 1, - 1, - 1, |
|
7, 11, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
7, 6, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
3, 0, 8, 11, 7, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 1, 9, 11, 7, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
8, 1, 9, 8, 3, 1, 11, 7, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
10, 1, 2, 6, 11, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 2, 10, 3, 0, 8, 6, 11, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
2, 9, 0, 2, 10, 9, 6, 11, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
6, 11, 7, 2, 10, 3, 10, 8, 3, 10, 9, 8, - 1, - 1, - 1, - 1, |
|
7, 2, 3, 6, 2, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
7, 0, 8, 7, 6, 0, 6, 2, 0, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
2, 7, 6, 2, 3, 7, 0, 1, 9, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 6, 2, 1, 8, 6, 1, 9, 8, 8, 7, 6, - 1, - 1, - 1, - 1, |
|
10, 7, 6, 10, 1, 7, 1, 3, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
10, 7, 6, 1, 7, 10, 1, 8, 7, 1, 0, 8, - 1, - 1, - 1, - 1, |
|
0, 3, 7, 0, 7, 10, 0, 10, 9, 6, 10, 7, - 1, - 1, - 1, - 1, |
|
7, 6, 10, 7, 10, 8, 8, 10, 9, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
6, 8, 4, 11, 8, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
3, 6, 11, 3, 0, 6, 0, 4, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
8, 6, 11, 8, 4, 6, 9, 0, 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
9, 4, 6, 9, 6, 3, 9, 3, 1, 11, 3, 6, - 1, - 1, - 1, - 1, |
|
6, 8, 4, 6, 11, 8, 2, 10, 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 2, 10, 3, 0, 11, 0, 6, 11, 0, 4, 6, - 1, - 1, - 1, - 1, |
|
4, 11, 8, 4, 6, 11, 0, 2, 9, 2, 10, 9, - 1, - 1, - 1, - 1, |
|
10, 9, 3, 10, 3, 2, 9, 4, 3, 11, 3, 6, 4, 6, 3, - 1, |
|
8, 2, 3, 8, 4, 2, 4, 6, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 4, 2, 4, 6, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 9, 0, 2, 3, 4, 2, 4, 6, 4, 3, 8, - 1, - 1, - 1, - 1, |
|
1, 9, 4, 1, 4, 2, 2, 4, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
8, 1, 3, 8, 6, 1, 8, 4, 6, 6, 10, 1, - 1, - 1, - 1, - 1, |
|
10, 1, 0, 10, 0, 6, 6, 0, 4, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
4, 6, 3, 4, 3, 8, 6, 10, 3, 0, 3, 9, 10, 9, 3, - 1, |
|
10, 9, 4, 6, 10, 4, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
4, 9, 5, 7, 6, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 8, 3, 4, 9, 5, 11, 7, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
5, 0, 1, 5, 4, 0, 7, 6, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
11, 7, 6, 8, 3, 4, 3, 5, 4, 3, 1, 5, - 1, - 1, - 1, - 1, |
|
9, 5, 4, 10, 1, 2, 7, 6, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
6, 11, 7, 1, 2, 10, 0, 8, 3, 4, 9, 5, - 1, - 1, - 1, - 1, |
|
7, 6, 11, 5, 4, 10, 4, 2, 10, 4, 0, 2, - 1, - 1, - 1, - 1, |
|
3, 4, 8, 3, 5, 4, 3, 2, 5, 10, 5, 2, 11, 7, 6, - 1, |
|
7, 2, 3, 7, 6, 2, 5, 4, 9, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
9, 5, 4, 0, 8, 6, 0, 6, 2, 6, 8, 7, - 1, - 1, - 1, - 1, |
|
3, 6, 2, 3, 7, 6, 1, 5, 0, 5, 4, 0, - 1, - 1, - 1, - 1, |
|
6, 2, 8, 6, 8, 7, 2, 1, 8, 4, 8, 5, 1, 5, 8, - 1, |
|
9, 5, 4, 10, 1, 6, 1, 7, 6, 1, 3, 7, - 1, - 1, - 1, - 1, |
|
1, 6, 10, 1, 7, 6, 1, 0, 7, 8, 7, 0, 9, 5, 4, - 1, |
|
4, 0, 10, 4, 10, 5, 0, 3, 10, 6, 10, 7, 3, 7, 10, - 1, |
|
7, 6, 10, 7, 10, 8, 5, 4, 10, 4, 8, 10, - 1, - 1, - 1, - 1, |
|
6, 9, 5, 6, 11, 9, 11, 8, 9, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
3, 6, 11, 0, 6, 3, 0, 5, 6, 0, 9, 5, - 1, - 1, - 1, - 1, |
|
0, 11, 8, 0, 5, 11, 0, 1, 5, 5, 6, 11, - 1, - 1, - 1, - 1, |
|
6, 11, 3, 6, 3, 5, 5, 3, 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 2, 10, 9, 5, 11, 9, 11, 8, 11, 5, 6, - 1, - 1, - 1, - 1, |
|
0, 11, 3, 0, 6, 11, 0, 9, 6, 5, 6, 9, 1, 2, 10, - 1, |
|
11, 8, 5, 11, 5, 6, 8, 0, 5, 10, 5, 2, 0, 2, 5, - 1, |
|
6, 11, 3, 6, 3, 5, 2, 10, 3, 10, 5, 3, - 1, - 1, - 1, - 1, |
|
5, 8, 9, 5, 2, 8, 5, 6, 2, 3, 8, 2, - 1, - 1, - 1, - 1, |
|
9, 5, 6, 9, 6, 0, 0, 6, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 5, 8, 1, 8, 0, 5, 6, 8, 3, 8, 2, 6, 2, 8, - 1, |
|
1, 5, 6, 2, 1, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 3, 6, 1, 6, 10, 3, 8, 6, 5, 6, 9, 8, 9, 6, - 1, |
|
10, 1, 0, 10, 0, 6, 9, 5, 0, 5, 6, 0, - 1, - 1, - 1, - 1, |
|
0, 3, 8, 5, 6, 10, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
10, 5, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
11, 5, 10, 7, 5, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
11, 5, 10, 11, 7, 5, 8, 3, 0, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
5, 11, 7, 5, 10, 11, 1, 9, 0, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
10, 7, 5, 10, 11, 7, 9, 8, 1, 8, 3, 1, - 1, - 1, - 1, - 1, |
|
11, 1, 2, 11, 7, 1, 7, 5, 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 8, 3, 1, 2, 7, 1, 7, 5, 7, 2, 11, - 1, - 1, - 1, - 1, |
|
9, 7, 5, 9, 2, 7, 9, 0, 2, 2, 11, 7, - 1, - 1, - 1, - 1, |
|
7, 5, 2, 7, 2, 11, 5, 9, 2, 3, 2, 8, 9, 8, 2, - 1, |
|
2, 5, 10, 2, 3, 5, 3, 7, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
8, 2, 0, 8, 5, 2, 8, 7, 5, 10, 2, 5, - 1, - 1, - 1, - 1, |
|
9, 0, 1, 5, 10, 3, 5, 3, 7, 3, 10, 2, - 1, - 1, - 1, - 1, |
|
9, 8, 2, 9, 2, 1, 8, 7, 2, 10, 2, 5, 7, 5, 2, - 1, |
|
1, 3, 5, 3, 7, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 8, 7, 0, 7, 1, 1, 7, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
9, 0, 3, 9, 3, 5, 5, 3, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
9, 8, 7, 5, 9, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
5, 8, 4, 5, 10, 8, 10, 11, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
5, 0, 4, 5, 11, 0, 5, 10, 11, 11, 3, 0, - 1, - 1, - 1, - 1, |
|
0, 1, 9, 8, 4, 10, 8, 10, 11, 10, 4, 5, - 1, - 1, - 1, - 1, |
|
10, 11, 4, 10, 4, 5, 11, 3, 4, 9, 4, 1, 3, 1, 4, - 1, |
|
2, 5, 1, 2, 8, 5, 2, 11, 8, 4, 5, 8, - 1, - 1, - 1, - 1, |
|
0, 4, 11, 0, 11, 3, 4, 5, 11, 2, 11, 1, 5, 1, 11, - 1, |
|
0, 2, 5, 0, 5, 9, 2, 11, 5, 4, 5, 8, 11, 8, 5, - 1, |
|
9, 4, 5, 2, 11, 3, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
2, 5, 10, 3, 5, 2, 3, 4, 5, 3, 8, 4, - 1, - 1, - 1, - 1, |
|
5, 10, 2, 5, 2, 4, 4, 2, 0, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
3, 10, 2, 3, 5, 10, 3, 8, 5, 4, 5, 8, 0, 1, 9, - 1, |
|
5, 10, 2, 5, 2, 4, 1, 9, 2, 9, 4, 2, - 1, - 1, - 1, - 1, |
|
8, 4, 5, 8, 5, 3, 3, 5, 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 4, 5, 1, 0, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
8, 4, 5, 8, 5, 3, 9, 0, 5, 0, 3, 5, - 1, - 1, - 1, - 1, |
|
9, 4, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
4, 11, 7, 4, 9, 11, 9, 10, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 8, 3, 4, 9, 7, 9, 11, 7, 9, 10, 11, - 1, - 1, - 1, - 1, |
|
1, 10, 11, 1, 11, 4, 1, 4, 0, 7, 4, 11, - 1, - 1, - 1, - 1, |
|
3, 1, 4, 3, 4, 8, 1, 10, 4, 7, 4, 11, 10, 11, 4, - 1, |
|
4, 11, 7, 9, 11, 4, 9, 2, 11, 9, 1, 2, - 1, - 1, - 1, - 1, |
|
9, 7, 4, 9, 11, 7, 9, 1, 11, 2, 11, 1, 0, 8, 3, - 1, |
|
11, 7, 4, 11, 4, 2, 2, 4, 0, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
11, 7, 4, 11, 4, 2, 8, 3, 4, 3, 2, 4, - 1, - 1, - 1, - 1, |
|
2, 9, 10, 2, 7, 9, 2, 3, 7, 7, 4, 9, - 1, - 1, - 1, - 1, |
|
9, 10, 7, 9, 7, 4, 10, 2, 7, 8, 7, 0, 2, 0, 7, - 1, |
|
3, 7, 10, 3, 10, 2, 7, 4, 10, 1, 10, 0, 4, 0, 10, - 1, |
|
1, 10, 2, 8, 7, 4, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
4, 9, 1, 4, 1, 7, 7, 1, 3, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
4, 9, 1, 4, 1, 7, 0, 8, 1, 8, 7, 1, - 1, - 1, - 1, - 1, |
|
4, 0, 3, 7, 4, 3, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
4, 8, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
9, 10, 8, 10, 11, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
3, 0, 9, 3, 9, 11, 11, 9, 10, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 1, 10, 0, 10, 8, 8, 10, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
3, 1, 10, 11, 3, 10, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 2, 11, 1, 11, 9, 9, 11, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
3, 0, 9, 3, 9, 11, 1, 2, 9, 2, 11, 9, - 1, - 1, - 1, - 1, |
|
0, 2, 11, 8, 0, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
3, 2, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
2, 3, 8, 2, 8, 10, 10, 8, 9, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
9, 10, 2, 0, 9, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
2, 3, 8, 2, 8, 10, 0, 1, 8, 1, 10, 8, - 1, - 1, - 1, - 1, |
|
1, 10, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
1, 3, 8, 9, 1, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 9, 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
|
0, 3, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, |
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- 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1 ] ); |
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export { MarchingCubes, edgeTable, triTable };
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