guoyao-jiankang/public/static/threejs135/js/objects/MarchingCubes.js

( function () {

	/**
 * Port of http://webglsamples.org/blob/blob.html
 */

	class MarchingCubes extends THREE.Mesh {

		constructor( resolution, material, enableUvs = false, enableColors = false, maxPolyCount = 10000 ) {

			const geometry = new THREE.BufferGeometry();
			super( geometry, material );
			const scope = this; // temp buffers used in polygonize

			const vlist = new Float32Array( 12 * 3 );
			const nlist = new Float32Array( 12 * 3 );
			const clist = new Float32Array( 12 * 3 );
			this.enableUvs = enableUvs;
			this.enableColors = enableColors; // functions have to be object properties
			// prototype functions kill performance
			// (tested and it was 4x slower !!!)

			this.init = function ( resolution ) {

				this.resolution = resolution; // parameters

				this.isolation = 80.0; // size of field, 32 is pushing it in Javascript :)

				this.size = resolution;
				this.size2 = this.size * this.size;
				this.size3 = this.size2 * this.size;
				this.halfsize = this.size / 2.0; // deltas

				this.delta = 2.0 / this.size;
				this.yd = this.size;
				this.zd = this.size2;
				this.field = new Float32Array( this.size3 );
				this.normal_cache = new Float32Array( this.size3 * 3 );
				this.palette = new Float32Array( this.size3 * 3 ); //

				this.count = 0;
				const maxVertexCount = maxPolyCount * 3;
				this.positionArray = new Float32Array( maxVertexCount * 3 );
				const positionAttribute = new THREE.BufferAttribute( this.positionArray, 3 );
				positionAttribute.setUsage( THREE.DynamicDrawUsage );
				geometry.setAttribute( 'position', positionAttribute );
				this.normalArray = new Float32Array( maxVertexCount * 3 );
				const normalAttribute = new THREE.BufferAttribute( this.normalArray, 3 );
				normalAttribute.setUsage( THREE.DynamicDrawUsage );
				geometry.setAttribute( 'normal', normalAttribute );

				if ( this.enableUvs ) {

					this.uvArray = new Float32Array( maxVertexCount * 2 );
					const uvAttribute = new THREE.BufferAttribute( this.uvArray, 2 );
					uvAttribute.setUsage( THREE.DynamicDrawUsage );
					geometry.setAttribute( 'uv', uvAttribute );

				}

				if ( this.enableColors ) {

					this.colorArray = new Float32Array( maxVertexCount * 3 );
					const colorAttribute = new THREE.BufferAttribute( this.colorArray, 3 );
					colorAttribute.setUsage( THREE.DynamicDrawUsage );
					geometry.setAttribute( 'color', colorAttribute );

				}

			}; ///////////////////////
			// Polygonization
			///////////////////////


			function lerp( a, b, t ) {

				return a + ( b - a ) * t;

			}

			function VIntX( q, offset, isol, x, y, z, valp1, valp2, c_offset1, c_offset2 ) {

				const mu = ( isol - valp1 ) / ( valp2 - valp1 ),
					nc = scope.normal_cache;
				vlist[ offset + 0 ] = x + mu * scope.delta;
				vlist[ offset + 1 ] = y;
				vlist[ offset + 2 ] = z;
				nlist[ offset + 0 ] = lerp( nc[ q + 0 ], nc[ q + 3 ], mu );
				nlist[ offset + 1 ] = lerp( nc[ q + 1 ], nc[ q + 4 ], mu );
				nlist[ offset + 2 ] = lerp( nc[ q + 2 ], nc[ q + 5 ], mu );
				clist[ offset + 0 ] = lerp( scope.palette[ c_offset1 * 3 + 0 ], scope.palette[ c_offset2 * 3 + 0 ], mu );
				clist[ offset + 1 ] = lerp( scope.palette[ c_offset1 * 3 + 1 ], scope.palette[ c_offset2 * 3 + 1 ], mu );
				clist[ offset + 2 ] = lerp( scope.palette[ c_offset1 * 3 + 2 ], scope.palette[ c_offset2 * 3 + 2 ], mu );

			}

			function VIntY( q, offset, isol, x, y, z, valp1, valp2, c_offset1, c_offset2 ) {

				const mu = ( isol - valp1 ) / ( valp2 - valp1 ),
					nc = scope.normal_cache;
				vlist[ offset + 0 ] = x;
				vlist[ offset + 1 ] = y + mu * scope.delta;
				vlist[ offset + 2 ] = z;
				const q2 = q + scope.yd * 3;
				nlist[ offset + 0 ] = lerp( nc[ q + 0 ], nc[ q2 + 0 ], mu );
				nlist[ offset + 1 ] = lerp( nc[ q + 1 ], nc[ q2 + 1 ], mu );
				nlist[ offset + 2 ] = lerp( nc[ q + 2 ], nc[ q2 + 2 ], mu );
				clist[ offset + 0 ] = lerp( scope.palette[ c_offset1 * 3 + 0 ], scope.palette[ c_offset2 * 3 + 0 ], mu );
				clist[ offset + 1 ] = lerp( scope.palette[ c_offset1 * 3 + 1 ], scope.palette[ c_offset2 * 3 + 1 ], mu );
				clist[ offset + 2 ] = lerp( scope.palette[ c_offset1 * 3 + 2 ], scope.palette[ c_offset2 * 3 + 2 ], mu );

			}

			function VIntZ( q, offset, isol, x, y, z, valp1, valp2, c_offset1, c_offset2 ) {

				const mu = ( isol - valp1 ) / ( valp2 - valp1 ),
					nc = scope.normal_cache;
				vlist[ offset + 0 ] = x;
				vlist[ offset + 1 ] = y;
				vlist[ offset + 2 ] = z + mu * scope.delta;
				const q2 = q + scope.zd * 3;
				nlist[ offset + 0 ] = lerp( nc[ q + 0 ], nc[ q2 + 0 ], mu );
				nlist[ offset + 1 ] = lerp( nc[ q + 1 ], nc[ q2 + 1 ], mu );
				nlist[ offset + 2 ] = lerp( nc[ q + 2 ], nc[ q2 + 2 ], mu );
				clist[ offset + 0 ] = lerp( scope.palette[ c_offset1 * 3 + 0 ], scope.palette[ c_offset2 * 3 + 0 ], mu );
				clist[ offset + 1 ] = lerp( scope.palette[ c_offset1 * 3 + 1 ], scope.palette[ c_offset2 * 3 + 1 ], mu );
				clist[ offset + 2 ] = lerp( scope.palette[ c_offset1 * 3 + 2 ], scope.palette[ c_offset2 * 3 + 2 ], mu );

			}

			function compNorm( q ) {

				const q3 = q * 3;

				if ( scope.normal_cache[ q3 ] === 0.0 ) {

					scope.normal_cache[ q3 + 0 ] = scope.field[ q - 1 ] - scope.field[ q + 1 ];
					scope.normal_cache[ q3 + 1 ] = scope.field[ q - scope.yd ] - scope.field[ q + scope.yd ];
					scope.normal_cache[ q3 + 2 ] = scope.field[ q - scope.zd ] - scope.field[ q + scope.zd ];

				}

			} // Returns total number of triangles. Fills triangles.
			// (this is where most of time is spent - it's inner work of O(n3) loop )


			function polygonize( fx, fy, fz, q, isol ) {

				// cache indices
				const q1 = q + 1,
					qy = q + scope.yd,
					qz = q + scope.zd,
					q1y = q1 + scope.yd,
					q1z = q1 + scope.zd,
					qyz = q + scope.yd + scope.zd,
					q1yz = q1 + scope.yd + scope.zd;
				let cubeindex = 0;
				const field0 = scope.field[ q ],
					field1 = scope.field[ q1 ],
					field2 = scope.field[ qy ],
					field3 = scope.field[ q1y ],
					field4 = scope.field[ qz ],
					field5 = scope.field[ q1z ],
					field6 = scope.field[ qyz ],
					field7 = scope.field[ q1yz ];
				if ( field0 < isol ) cubeindex |= 1;
				if ( field1 < isol ) cubeindex |= 2;
				if ( field2 < isol ) cubeindex |= 8;
				if ( field3 < isol ) cubeindex |= 4;
				if ( field4 < isol ) cubeindex |= 16;
				if ( field5 < isol ) cubeindex |= 32;
				if ( field6 < isol ) cubeindex |= 128;
				if ( field7 < isol ) cubeindex |= 64; // if cube is entirely in/out of the surface - bail, nothing to draw

				const bits = edgeTable[ cubeindex ];
				if ( bits === 0 ) return 0;
				const d = scope.delta,
					fx2 = fx + d,
					fy2 = fy + d,
					fz2 = fz + d; // top of the cube

				if ( bits & 1 ) {

					compNorm( q );
					compNorm( q1 );
					VIntX( q * 3, 0, isol, fx, fy, fz, field0, field1, q, q1 );

				}

				if ( bits & 2 ) {

					compNorm( q1 );
					compNorm( q1y );
					VIntY( q1 * 3, 3, isol, fx2, fy, fz, field1, field3, q1, q1y );

				}

				if ( bits & 4 ) {

					compNorm( qy );
					compNorm( q1y );
					VIntX( qy * 3, 6, isol, fx, fy2, fz, field2, field3, qy, q1y );

				}

				if ( bits & 8 ) {

					compNorm( q );
					compNorm( qy );
					VIntY( q * 3, 9, isol, fx, fy, fz, field0, field2, q, qy );

				} // bottom of the cube


				if ( bits & 16 ) {

					compNorm( qz );
					compNorm( q1z );
					VIntX( qz * 3, 12, isol, fx, fy, fz2, field4, field5, qz, q1z );

				}

				if ( bits & 32 ) {

					compNorm( q1z );
					compNorm( q1yz );
					VIntY( q1z * 3, 15, isol, fx2, fy, fz2, field5, field7, q1z, q1yz );

				}

				if ( bits & 64 ) {

					compNorm( qyz );
					compNorm( q1yz );
					VIntX( qyz * 3, 18, isol, fx, fy2, fz2, field6, field7, qyz, q1yz );

				}

				if ( bits & 128 ) {

					compNorm( qz );
					compNorm( qyz );
					VIntY( qz * 3, 21, isol, fx, fy, fz2, field4, field6, qz, qyz );

				} // vertical lines of the cube


				if ( bits & 256 ) {

					compNorm( q );
					compNorm( qz );
					VIntZ( q * 3, 24, isol, fx, fy, fz, field0, field4, q, qz );

				}

				if ( bits & 512 ) {

					compNorm( q1 );
					compNorm( q1z );
					VIntZ( q1 * 3, 27, isol, fx2, fy, fz, field1, field5, q1, q1z );

				}

				if ( bits & 1024 ) {

					compNorm( q1y );
					compNorm( q1yz );
					VIntZ( q1y * 3, 30, isol, fx2, fy2, fz, field3, field7, q1y, q1yz );

				}

				if ( bits & 2048 ) {

					compNorm( qy );
					compNorm( qyz );
					VIntZ( qy * 3, 33, isol, fx, fy2, fz, field2, field6, qy, qyz );

				}

				cubeindex <<= 4; // re-purpose cubeindex into an offset into triTable

				let o1,
					o2,
					o3,
					numtris = 0,
					i = 0; // here is where triangles are created

				while ( triTable[ cubeindex + i ] != - 1 ) {

					o1 = cubeindex + i;
					o2 = o1 + 1;
					o3 = o1 + 2;
					posnormtriv( vlist, nlist, clist, 3 * triTable[ o1 ], 3 * triTable[ o2 ], 3 * triTable[ o3 ] );
					i += 3;
					numtris ++;

				}

				return numtris;

			}

			function posnormtriv( pos, norm, colors, o1, o2, o3 ) {

				const c = scope.count * 3; // positions

				scope.positionArray[ c + 0 ] = pos[ o1 ];
				scope.positionArray[ c + 1 ] = pos[ o1 + 1 ];
				scope.positionArray[ c + 2 ] = pos[ o1 + 2 ];
				scope.positionArray[ c + 3 ] = pos[ o2 ];
				scope.positionArray[ c + 4 ] = pos[ o2 + 1 ];
				scope.positionArray[ c + 5 ] = pos[ o2 + 2 ];
				scope.positionArray[ c + 6 ] = pos[ o3 ];
				scope.positionArray[ c + 7 ] = pos[ o3 + 1 ];
				scope.positionArray[ c + 8 ] = pos[ o3 + 2 ]; // normals

				if ( scope.material.flatShading === true ) {

					const nx = ( norm[ o1 + 0 ] + norm[ o2 + 0 ] + norm[ o3 + 0 ] ) / 3;
					const ny = ( norm[ o1 + 1 ] + norm[ o2 + 1 ] + norm[ o3 + 1 ] ) / 3;
					const nz = ( norm[ o1 + 2 ] + norm[ o2 + 2 ] + norm[ o3 + 2 ] ) / 3;
					scope.normalArray[ c + 0 ] = nx;
					scope.normalArray[ c + 1 ] = ny;
					scope.normalArray[ c + 2 ] = nz;
					scope.normalArray[ c + 3 ] = nx;
					scope.normalArray[ c + 4 ] = ny;
					scope.normalArray[ c + 5 ] = nz;
					scope.normalArray[ c + 6 ] = nx;
					scope.normalArray[ c + 7 ] = ny;
					scope.normalArray[ c + 8 ] = nz;

				} else {

					scope.normalArray[ c + 0 ] = norm[ o1 + 0 ];
					scope.normalArray[ c + 1 ] = norm[ o1 + 1 ];
					scope.normalArray[ c + 2 ] = norm[ o1 + 2 ];
					scope.normalArray[ c + 3 ] = norm[ o2 + 0 ];
					scope.normalArray[ c + 4 ] = norm[ o2 + 1 ];
					scope.normalArray[ c + 5 ] = norm[ o2 + 2 ];
					scope.normalArray[ c + 6 ] = norm[ o3 + 0 ];
					scope.normalArray[ c + 7 ] = norm[ o3 + 1 ];
					scope.normalArray[ c + 8 ] = norm[ o3 + 2 ];

				} // uvs


				if ( scope.enableUvs ) {

					const d = scope.count * 2;
					scope.uvArray[ d + 0 ] = pos[ o1 + 0 ];
					scope.uvArray[ d + 1 ] = pos[ o1 + 2 ];
					scope.uvArray[ d + 2 ] = pos[ o2 + 0 ];
					scope.uvArray[ d + 3 ] = pos[ o2 + 2 ];
					scope.uvArray[ d + 4 ] = pos[ o3 + 0 ];
					scope.uvArray[ d + 5 ] = pos[ o3 + 2 ];

				} // colors


				if ( scope.enableColors ) {

					scope.colorArray[ c + 0 ] = colors[ o1 + 0 ];
					scope.colorArray[ c + 1 ] = colors[ o1 + 1 ];
					scope.colorArray[ c + 2 ] = colors[ o1 + 2 ];
					scope.colorArray[ c + 3 ] = colors[ o2 + 0 ];
					scope.colorArray[ c + 4 ] = colors[ o2 + 1 ];
					scope.colorArray[ c + 5 ] = colors[ o2 + 2 ];
					scope.colorArray[ c + 6 ] = colors[ o3 + 0 ];
					scope.colorArray[ c + 7 ] = colors[ o3 + 1 ];
					scope.colorArray[ c + 8 ] = colors[ o3 + 2 ];

				}

				scope.count += 3;

			} /////////////////////////////////////
			// Metaballs
			/////////////////////////////////////
			// Adds a reciprocal ball (nice and blobby) that, to be fast, fades to zero after
			// a fixed distance, determined by strength and subtract.


			this.addBall = function ( ballx, bally, ballz, strength, subtract, colors ) {

				const sign = Math.sign( strength );
				strength = Math.abs( strength );
				const userDefineColor = ! ( colors === undefined || colors === null );
				let ballColor = new THREE.Color( ballx, bally, ballz );

				if ( userDefineColor ) {

					try {

						ballColor = colors instanceof THREE.Color ? colors : Array.isArray( colors ) ? new THREE.Color( Math.min( Math.abs( colors[ 0 ] ), 1 ), Math.min( Math.abs( colors[ 1 ] ), 1 ), Math.min( Math.abs( colors[ 2 ] ), 1 ) ) : new THREE.Color( colors );

					} catch ( err ) {

						ballColor = new THREE.Color( ballx, bally, ballz );

					}

				} // Let's solve the equation to find the radius:
				// 1.0 / (0.000001 + radius^2) * strength - subtract = 0
				// strength / (radius^2) = subtract
				// strength = subtract * radius^2
				// radius^2 = strength / subtract
				// radius = sqrt(strength / subtract)


				const radius = this.size * Math.sqrt( strength / subtract ),
					zs = ballz * this.size,
					ys = bally * this.size,
					xs = ballx * this.size;
				let min_z = Math.floor( zs - radius );
				if ( min_z < 1 ) min_z = 1;
				let max_z = Math.floor( zs + radius );
				if ( max_z > this.size - 1 ) max_z = this.size - 1;
				let min_y = Math.floor( ys - radius );
				if ( min_y < 1 ) min_y = 1;
				let max_y = Math.floor( ys + radius );
				if ( max_y > this.size - 1 ) max_y = this.size - 1;
				let min_x = Math.floor( xs - radius );
				if ( min_x < 1 ) min_x = 1;
				let max_x = Math.floor( xs + radius );
				if ( max_x > this.size - 1 ) max_x = this.size - 1; // Don't polygonize in the outer layer because normals aren't
				// well-defined there.

				let x, y, z, y_offset, z_offset, fx, fy, fz, fz2, fy2, val;

				for ( z = min_z; z < max_z; z ++ ) {

					z_offset = this.size2 * z;
					fz = z / this.size - ballz;
					fz2 = fz * fz;

					for ( y = min_y; y < max_y; y ++ ) {

						y_offset = z_offset + this.size * y;
						fy = y / this.size - bally;
						fy2 = fy * fy;

						for ( x = min_x; x < max_x; x ++ ) {

							fx = x / this.size - ballx;
							val = strength / ( 0.000001 + fx * fx + fy2 + fz2 ) - subtract;

							if ( val > 0.0 ) {

								this.field[ y_offset + x ] += val * sign; // 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, - 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	THREE.MarchingCubes = MarchingCubes;
	THREE.edgeTable = edgeTable;
	THREE.triTable = triTable;

} )();