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1869 lines
36 KiB
1869 lines
36 KiB
import {
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Box3,
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BufferAttribute,
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BufferGeometry,
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Color,
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EventDispatcher,
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Float32BufferAttribute,
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Matrix3,
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Matrix4,
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MathUtils,
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Object3D,
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Sphere,
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Vector2,
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Vector3
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} from '../../../build/three.module.js';
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const _m1 = new Matrix4();
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const _obj = new Object3D();
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const _offset = new Vector3();
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class Geometry extends EventDispatcher {
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constructor() {
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super();
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this.uuid = MathUtils.generateUUID();
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this.name = '';
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this.type = 'Geometry';
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this.vertices = [];
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this.colors = [];
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this.faces = [];
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this.faceVertexUvs = [[]];
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this.morphTargets = [];
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this.morphNormals = [];
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this.skinWeights = [];
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this.skinIndices = [];
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this.lineDistances = [];
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this.boundingBox = null;
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this.boundingSphere = null;
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// update flags
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this.elementsNeedUpdate = false;
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this.verticesNeedUpdate = false;
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this.uvsNeedUpdate = false;
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this.normalsNeedUpdate = false;
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this.colorsNeedUpdate = false;
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this.lineDistancesNeedUpdate = false;
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this.groupsNeedUpdate = false;
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}
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applyMatrix4( matrix ) {
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const normalMatrix = new Matrix3().getNormalMatrix( matrix );
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for ( let i = 0, il = this.vertices.length; i < il; i ++ ) {
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const vertex = this.vertices[ i ];
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vertex.applyMatrix4( matrix );
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}
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for ( let i = 0, il = this.faces.length; i < il; i ++ ) {
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const face = this.faces[ i ];
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face.normal.applyMatrix3( normalMatrix ).normalize();
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for ( let j = 0, jl = face.vertexNormals.length; j < jl; j ++ ) {
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face.vertexNormals[ j ].applyMatrix3( normalMatrix ).normalize();
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}
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}
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if ( this.boundingBox !== null ) {
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this.computeBoundingBox();
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}
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if ( this.boundingSphere !== null ) {
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this.computeBoundingSphere();
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}
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this.verticesNeedUpdate = true;
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this.normalsNeedUpdate = true;
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return this;
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}
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rotateX( angle ) {
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// rotate geometry around world x-axis
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_m1.makeRotationX( angle );
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this.applyMatrix4( _m1 );
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return this;
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}
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rotateY( angle ) {
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// rotate geometry around world y-axis
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_m1.makeRotationY( angle );
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this.applyMatrix4( _m1 );
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return this;
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}
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rotateZ( angle ) {
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// rotate geometry around world z-axis
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_m1.makeRotationZ( angle );
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this.applyMatrix4( _m1 );
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return this;
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}
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translate( x, y, z ) {
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// translate geometry
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_m1.makeTranslation( x, y, z );
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this.applyMatrix4( _m1 );
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return this;
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}
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scale( x, y, z ) {
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// scale geometry
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_m1.makeScale( x, y, z );
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this.applyMatrix4( _m1 );
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return this;
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}
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lookAt( vector ) {
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_obj.lookAt( vector );
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_obj.updateMatrix();
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this.applyMatrix4( _obj.matrix );
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return this;
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}
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fromBufferGeometry( geometry ) {
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const scope = this;
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const index = geometry.index !== null ? geometry.index : undefined;
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const attributes = geometry.attributes;
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if ( attributes.position === undefined ) {
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console.error( 'THREE.Geometry.fromBufferGeometry(): Position attribute required for conversion.' );
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return this;
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}
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const position = attributes.position;
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const normal = attributes.normal;
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const color = attributes.color;
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const uv = attributes.uv;
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const uv2 = attributes.uv2;
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if ( uv2 !== undefined ) this.faceVertexUvs[ 1 ] = [];
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for ( let i = 0; i < position.count; i ++ ) {
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scope.vertices.push( new Vector3().fromBufferAttribute( position, i ) );
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if ( color !== undefined ) {
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scope.colors.push( new Color().fromBufferAttribute( color, i ) );
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}
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}
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function addFace( a, b, c, materialIndex ) {
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const vertexColors = ( color === undefined ) ? [] : [
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scope.colors[ a ].clone(),
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scope.colors[ b ].clone(),
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scope.colors[ c ].clone()
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];
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const vertexNormals = ( normal === undefined ) ? [] : [
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new Vector3().fromBufferAttribute( normal, a ),
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new Vector3().fromBufferAttribute( normal, b ),
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new Vector3().fromBufferAttribute( normal, c )
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];
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const face = new Face3( a, b, c, vertexNormals, vertexColors, materialIndex );
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scope.faces.push( face );
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if ( uv !== undefined ) {
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scope.faceVertexUvs[ 0 ].push( [
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new Vector2().fromBufferAttribute( uv, a ),
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new Vector2().fromBufferAttribute( uv, b ),
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new Vector2().fromBufferAttribute( uv, c )
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] );
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}
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if ( uv2 !== undefined ) {
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scope.faceVertexUvs[ 1 ].push( [
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new Vector2().fromBufferAttribute( uv2, a ),
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new Vector2().fromBufferAttribute( uv2, b ),
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new Vector2().fromBufferAttribute( uv2, c )
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] );
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}
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}
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const groups = geometry.groups;
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if ( groups.length > 0 ) {
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for ( let i = 0; i < groups.length; i ++ ) {
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const group = groups[ i ];
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const start = group.start;
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const count = group.count;
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for ( let j = start, jl = start + count; j < jl; j += 3 ) {
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if ( index !== undefined ) {
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addFace( index.getX( j ), index.getX( j + 1 ), index.getX( j + 2 ), group.materialIndex );
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} else {
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addFace( j, j + 1, j + 2, group.materialIndex );
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}
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}
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}
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} else {
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if ( index !== undefined ) {
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for ( let i = 0; i < index.count; i += 3 ) {
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addFace( index.getX( i ), index.getX( i + 1 ), index.getX( i + 2 ) );
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}
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} else {
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for ( let i = 0; i < position.count; i += 3 ) {
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addFace( i, i + 1, i + 2 );
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}
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}
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}
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this.computeFaceNormals();
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if ( geometry.boundingBox !== null ) {
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this.boundingBox = geometry.boundingBox.clone();
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}
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if ( geometry.boundingSphere !== null ) {
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this.boundingSphere = geometry.boundingSphere.clone();
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}
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return this;
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}
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center() {
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this.computeBoundingBox();
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this.boundingBox.getCenter( _offset ).negate();
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this.translate( _offset.x, _offset.y, _offset.z );
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return this;
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}
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normalize() {
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this.computeBoundingSphere();
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const center = this.boundingSphere.center;
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const radius = this.boundingSphere.radius;
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const s = radius === 0 ? 1 : 1.0 / radius;
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const matrix = new Matrix4();
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matrix.set(
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s, 0, 0, - s * center.x,
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0, s, 0, - s * center.y,
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0, 0, s, - s * center.z,
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0, 0, 0, 1
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);
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this.applyMatrix4( matrix );
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return this;
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}
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computeFaceNormals() {
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const cb = new Vector3(), ab = new Vector3();
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for ( let f = 0, fl = this.faces.length; f < fl; f ++ ) {
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const face = this.faces[ f ];
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const vA = this.vertices[ face.a ];
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const vB = this.vertices[ face.b ];
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const vC = this.vertices[ face.c ];
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cb.subVectors( vC, vB );
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ab.subVectors( vA, vB );
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cb.cross( ab );
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cb.normalize();
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face.normal.copy( cb );
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}
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}
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computeVertexNormals( areaWeighted = true ) {
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const vertices = new Array( this.vertices.length );
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for ( let v = 0, vl = this.vertices.length; v < vl; v ++ ) {
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vertices[ v ] = new Vector3();
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}
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if ( areaWeighted ) {
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// vertex normals weighted by triangle areas
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// http://www.iquilezles.org/www/articles/normals/normals.htm
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const cb = new Vector3(), ab = new Vector3();
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for ( let f = 0, fl = this.faces.length; f < fl; f ++ ) {
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const face = this.faces[ f ];
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const vA = this.vertices[ face.a ];
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const vB = this.vertices[ face.b ];
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const vC = this.vertices[ face.c ];
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cb.subVectors( vC, vB );
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ab.subVectors( vA, vB );
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cb.cross( ab );
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vertices[ face.a ].add( cb );
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vertices[ face.b ].add( cb );
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vertices[ face.c ].add( cb );
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}
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} else {
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this.computeFaceNormals();
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for ( let f = 0, fl = this.faces.length; f < fl; f ++ ) {
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const face = this.faces[ f ];
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vertices[ face.a ].add( face.normal );
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vertices[ face.b ].add( face.normal );
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vertices[ face.c ].add( face.normal );
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}
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}
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for ( let v = 0, vl = this.vertices.length; v < vl; v ++ ) {
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vertices[ v ].normalize();
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}
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for ( let f = 0, fl = this.faces.length; f < fl; f ++ ) {
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const face = this.faces[ f ];
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const vertexNormals = face.vertexNormals;
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if ( vertexNormals.length === 3 ) {
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vertexNormals[ 0 ].copy( vertices[ face.a ] );
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vertexNormals[ 1 ].copy( vertices[ face.b ] );
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vertexNormals[ 2 ].copy( vertices[ face.c ] );
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} else {
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vertexNormals[ 0 ] = vertices[ face.a ].clone();
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vertexNormals[ 1 ] = vertices[ face.b ].clone();
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vertexNormals[ 2 ] = vertices[ face.c ].clone();
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}
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}
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if ( this.faces.length > 0 ) {
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this.normalsNeedUpdate = true;
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}
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}
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computeFlatVertexNormals() {
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this.computeFaceNormals();
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for ( let f = 0, fl = this.faces.length; f < fl; f ++ ) {
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const face = this.faces[ f ];
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const vertexNormals = face.vertexNormals;
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if ( vertexNormals.length === 3 ) {
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vertexNormals[ 0 ].copy( face.normal );
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vertexNormals[ 1 ].copy( face.normal );
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vertexNormals[ 2 ].copy( face.normal );
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} else {
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vertexNormals[ 0 ] = face.normal.clone();
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vertexNormals[ 1 ] = face.normal.clone();
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vertexNormals[ 2 ] = face.normal.clone();
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}
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}
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if ( this.faces.length > 0 ) {
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this.normalsNeedUpdate = true;
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}
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}
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computeMorphNormals() {
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// save original normals
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// - create temp variables on first access
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// otherwise just copy (for faster repeated calls)
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for ( let f = 0, fl = this.faces.length; f < fl; f ++ ) {
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const face = this.faces[ f ];
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if ( ! face.__originalFaceNormal ) {
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face.__originalFaceNormal = face.normal.clone();
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} else {
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face.__originalFaceNormal.copy( face.normal );
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}
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if ( ! face.__originalVertexNormals ) face.__originalVertexNormals = [];
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for ( let i = 0, il = face.vertexNormals.length; i < il; i ++ ) {
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if ( ! face.__originalVertexNormals[ i ] ) {
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face.__originalVertexNormals[ i ] = face.vertexNormals[ i ].clone();
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} else {
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face.__originalVertexNormals[ i ].copy( face.vertexNormals[ i ] );
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}
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}
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}
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// use temp geometry to compute face and vertex normals for each morph
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const tmpGeo = new Geometry();
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tmpGeo.faces = this.faces;
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for ( let i = 0, il = this.morphTargets.length; i < il; i ++ ) {
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// create on first access
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if ( ! this.morphNormals[ i ] ) {
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this.morphNormals[ i ] = {};
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this.morphNormals[ i ].faceNormals = [];
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this.morphNormals[ i ].vertexNormals = [];
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const dstNormalsFace = this.morphNormals[ i ].faceNormals;
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const dstNormalsVertex = this.morphNormals[ i ].vertexNormals;
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for ( let f = 0, fl = this.faces.length; f < fl; f ++ ) {
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const faceNormal = new Vector3();
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const vertexNormals = { a: new Vector3(), b: new Vector3(), c: new Vector3() };
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dstNormalsFace.push( faceNormal );
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dstNormalsVertex.push( vertexNormals );
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}
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}
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const morphNormals = this.morphNormals[ i ];
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// set vertices to morph target
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tmpGeo.vertices = this.morphTargets[ i ].vertices;
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// compute morph normals
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tmpGeo.computeFaceNormals();
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tmpGeo.computeVertexNormals();
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// store morph normals
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for ( let f = 0, fl = this.faces.length; f < fl; f ++ ) {
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const face = this.faces[ f ];
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const faceNormal = morphNormals.faceNormals[ f ];
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const vertexNormals = morphNormals.vertexNormals[ f ];
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faceNormal.copy( face.normal );
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vertexNormals.a.copy( face.vertexNormals[ 0 ] );
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vertexNormals.b.copy( face.vertexNormals[ 1 ] );
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vertexNormals.c.copy( face.vertexNormals[ 2 ] );
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}
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}
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// restore original normals
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for ( let f = 0, fl = this.faces.length; f < fl; f ++ ) {
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const face = this.faces[ f ];
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face.normal = face.__originalFaceNormal;
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face.vertexNormals = face.__originalVertexNormals;
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}
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}
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computeBoundingBox() {
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if ( this.boundingBox === null ) {
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this.boundingBox = new Box3();
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}
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this.boundingBox.setFromPoints( this.vertices );
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}
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computeBoundingSphere() {
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if ( this.boundingSphere === null ) {
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this.boundingSphere = new Sphere();
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}
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this.boundingSphere.setFromPoints( this.vertices );
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}
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merge( geometry, matrix, materialIndexOffset = 0 ) {
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if ( ! ( geometry && geometry.isGeometry ) ) {
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console.error( 'THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.', geometry );
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return;
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}
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let normalMatrix;
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const vertexOffset = this.vertices.length,
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vertices1 = this.vertices,
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vertices2 = geometry.vertices,
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faces1 = this.faces,
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faces2 = geometry.faces,
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colors1 = this.colors,
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colors2 = geometry.colors;
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if ( matrix !== undefined ) {
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normalMatrix = new Matrix3().getNormalMatrix( matrix );
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}
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// vertices
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|
|
for ( let i = 0, il = vertices2.length; i < il; i ++ ) {
|
|
|
|
const vertex = vertices2[ i ];
|
|
|
|
const vertexCopy = vertex.clone();
|
|
|
|
if ( matrix !== undefined ) vertexCopy.applyMatrix4( matrix );
|
|
|
|
vertices1.push( vertexCopy );
|
|
|
|
}
|
|
|
|
// colors
|
|
|
|
for ( let i = 0, il = colors2.length; i < il; i ++ ) {
|
|
|
|
colors1.push( colors2[ i ].clone() );
|
|
|
|
}
|
|
|
|
// faces
|
|
|
|
for ( let i = 0, il = faces2.length; i < il; i ++ ) {
|
|
|
|
const face = faces2[ i ];
|
|
let normal, color;
|
|
const faceVertexNormals = face.vertexNormals,
|
|
faceVertexColors = face.vertexColors;
|
|
|
|
const faceCopy = new Face3( face.a + vertexOffset, face.b + vertexOffset, face.c + vertexOffset );
|
|
faceCopy.normal.copy( face.normal );
|
|
|
|
if ( normalMatrix !== undefined ) {
|
|
|
|
faceCopy.normal.applyMatrix3( normalMatrix ).normalize();
|
|
|
|
}
|
|
|
|
for ( let j = 0, jl = faceVertexNormals.length; j < jl; j ++ ) {
|
|
|
|
normal = faceVertexNormals[ j ].clone();
|
|
|
|
if ( normalMatrix !== undefined ) {
|
|
|
|
normal.applyMatrix3( normalMatrix ).normalize();
|
|
|
|
}
|
|
|
|
faceCopy.vertexNormals.push( normal );
|
|
|
|
}
|
|
|
|
faceCopy.color.copy( face.color );
|
|
|
|
for ( let j = 0, jl = faceVertexColors.length; j < jl; j ++ ) {
|
|
|
|
color = faceVertexColors[ j ];
|
|
faceCopy.vertexColors.push( color.clone() );
|
|
|
|
}
|
|
|
|
faceCopy.materialIndex = face.materialIndex + materialIndexOffset;
|
|
|
|
faces1.push( faceCopy );
|
|
|
|
}
|
|
|
|
// uvs
|
|
|
|
for ( let i = 0, il = geometry.faceVertexUvs.length; i < il; i ++ ) {
|
|
|
|
const faceVertexUvs2 = geometry.faceVertexUvs[ i ];
|
|
|
|
if ( this.faceVertexUvs[ i ] === undefined ) this.faceVertexUvs[ i ] = [];
|
|
|
|
for ( let j = 0, jl = faceVertexUvs2.length; j < jl; j ++ ) {
|
|
|
|
const uvs2 = faceVertexUvs2[ j ], uvsCopy = [];
|
|
|
|
for ( let k = 0, kl = uvs2.length; k < kl; k ++ ) {
|
|
|
|
uvsCopy.push( uvs2[ k ].clone() );
|
|
|
|
}
|
|
|
|
this.faceVertexUvs[ i ].push( uvsCopy );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
mergeMesh( mesh ) {
|
|
|
|
if ( ! ( mesh && mesh.isMesh ) ) {
|
|
|
|
console.error( 'THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.', mesh );
|
|
return;
|
|
|
|
}
|
|
|
|
if ( mesh.matrixAutoUpdate ) mesh.updateMatrix();
|
|
|
|
this.merge( mesh.geometry, mesh.matrix );
|
|
|
|
}
|
|
|
|
/*
|
|
* Checks for duplicate vertices with hashmap.
|
|
* Duplicated vertices are removed
|
|
* and faces' vertices are updated.
|
|
*/
|
|
|
|
mergeVertices( precisionPoints = 4 ) {
|
|
|
|
const verticesMap = {}; // Hashmap for looking up vertices by position coordinates (and making sure they are unique)
|
|
const unique = [], changes = [];
|
|
|
|
const precision = Math.pow( 10, precisionPoints );
|
|
|
|
for ( let i = 0, il = this.vertices.length; i < il; i ++ ) {
|
|
|
|
const v = this.vertices[ i ];
|
|
const key = Math.round( v.x * precision ) + '_' + Math.round( v.y * precision ) + '_' + Math.round( v.z * precision );
|
|
|
|
if ( verticesMap[ key ] === undefined ) {
|
|
|
|
verticesMap[ key ] = i;
|
|
unique.push( this.vertices[ i ] );
|
|
changes[ i ] = unique.length - 1;
|
|
|
|
} else {
|
|
|
|
//console.log('Duplicate vertex found. ', i, ' could be using ', verticesMap[key]);
|
|
changes[ i ] = changes[ verticesMap[ key ] ];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
// if faces are completely degenerate after merging vertices, we
|
|
// have to remove them from the geometry.
|
|
const faceIndicesToRemove = [];
|
|
|
|
for ( let i = 0, il = this.faces.length; i < il; i ++ ) {
|
|
|
|
const face = this.faces[ i ];
|
|
|
|
face.a = changes[ face.a ];
|
|
face.b = changes[ face.b ];
|
|
face.c = changes[ face.c ];
|
|
|
|
const indices = [ face.a, face.b, face.c ];
|
|
|
|
// if any duplicate vertices are found in a Face3
|
|
// we have to remove the face as nothing can be saved
|
|
for ( let n = 0; n < 3; n ++ ) {
|
|
|
|
if ( indices[ n ] === indices[ ( n + 1 ) % 3 ] ) {
|
|
|
|
faceIndicesToRemove.push( i );
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
for ( let i = faceIndicesToRemove.length - 1; i >= 0; i -- ) {
|
|
|
|
const idx = faceIndicesToRemove[ i ];
|
|
|
|
this.faces.splice( idx, 1 );
|
|
|
|
for ( let j = 0, jl = this.faceVertexUvs.length; j < jl; j ++ ) {
|
|
|
|
this.faceVertexUvs[ j ].splice( idx, 1 );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// Use unique set of vertices
|
|
|
|
const diff = this.vertices.length - unique.length;
|
|
this.vertices = unique;
|
|
return diff;
|
|
|
|
}
|
|
|
|
setFromPoints( points ) {
|
|
|
|
this.vertices = [];
|
|
|
|
for ( let i = 0, l = points.length; i < l; i ++ ) {
|
|
|
|
const point = points[ i ];
|
|
this.vertices.push( new Vector3( point.x, point.y, point.z || 0 ) );
|
|
|
|
}
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
sortFacesByMaterialIndex() {
|
|
|
|
const faces = this.faces;
|
|
const length = faces.length;
|
|
|
|
// tag faces
|
|
|
|
for ( let i = 0; i < length; i ++ ) {
|
|
|
|
faces[ i ]._id = i;
|
|
|
|
}
|
|
|
|
// sort faces
|
|
|
|
function materialIndexSort( a, b ) {
|
|
|
|
return a.materialIndex - b.materialIndex;
|
|
|
|
}
|
|
|
|
faces.sort( materialIndexSort );
|
|
|
|
// sort uvs
|
|
|
|
const uvs1 = this.faceVertexUvs[ 0 ];
|
|
const uvs2 = this.faceVertexUvs[ 1 ];
|
|
|
|
let newUvs1, newUvs2;
|
|
|
|
if ( uvs1 && uvs1.length === length ) newUvs1 = [];
|
|
if ( uvs2 && uvs2.length === length ) newUvs2 = [];
|
|
|
|
for ( let i = 0; i < length; i ++ ) {
|
|
|
|
const id = faces[ i ]._id;
|
|
|
|
if ( newUvs1 ) newUvs1.push( uvs1[ id ] );
|
|
if ( newUvs2 ) newUvs2.push( uvs2[ id ] );
|
|
|
|
}
|
|
|
|
if ( newUvs1 ) this.faceVertexUvs[ 0 ] = newUvs1;
|
|
if ( newUvs2 ) this.faceVertexUvs[ 1 ] = newUvs2;
|
|
|
|
}
|
|
|
|
toJSON() {
|
|
|
|
const data = {
|
|
metadata: {
|
|
version: 4.5,
|
|
type: 'Geometry',
|
|
generator: 'Geometry.toJSON'
|
|
}
|
|
};
|
|
|
|
// standard Geometry serialization
|
|
|
|
data.uuid = this.uuid;
|
|
data.type = this.type;
|
|
if ( this.name !== '' ) data.name = this.name;
|
|
|
|
if ( this.parameters !== undefined ) {
|
|
|
|
const parameters = this.parameters;
|
|
|
|
for ( const key in parameters ) {
|
|
|
|
if ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];
|
|
|
|
}
|
|
|
|
return data;
|
|
|
|
}
|
|
|
|
const vertices = [];
|
|
|
|
for ( let i = 0; i < this.vertices.length; i ++ ) {
|
|
|
|
const vertex = this.vertices[ i ];
|
|
vertices.push( vertex.x, vertex.y, vertex.z );
|
|
|
|
}
|
|
|
|
const faces = [];
|
|
const normals = [];
|
|
const normalsHash = {};
|
|
const colors = [];
|
|
const colorsHash = {};
|
|
const uvs = [];
|
|
const uvsHash = {};
|
|
|
|
for ( let i = 0; i < this.faces.length; i ++ ) {
|
|
|
|
const face = this.faces[ i ];
|
|
|
|
const hasMaterial = true;
|
|
const hasFaceUv = false; // deprecated
|
|
const hasFaceVertexUv = this.faceVertexUvs[ 0 ][ i ] !== undefined;
|
|
const hasFaceNormal = face.normal.length() > 0;
|
|
const hasFaceVertexNormal = face.vertexNormals.length > 0;
|
|
const hasFaceColor = face.color.r !== 1 || face.color.g !== 1 || face.color.b !== 1;
|
|
const hasFaceVertexColor = face.vertexColors.length > 0;
|
|
|
|
let faceType = 0;
|
|
|
|
faceType = setBit( faceType, 0, 0 ); // isQuad
|
|
faceType = setBit( faceType, 1, hasMaterial );
|
|
faceType = setBit( faceType, 2, hasFaceUv );
|
|
faceType = setBit( faceType, 3, hasFaceVertexUv );
|
|
faceType = setBit( faceType, 4, hasFaceNormal );
|
|
faceType = setBit( faceType, 5, hasFaceVertexNormal );
|
|
faceType = setBit( faceType, 6, hasFaceColor );
|
|
faceType = setBit( faceType, 7, hasFaceVertexColor );
|
|
|
|
faces.push( faceType );
|
|
faces.push( face.a, face.b, face.c );
|
|
faces.push( face.materialIndex );
|
|
|
|
if ( hasFaceVertexUv ) {
|
|
|
|
const faceVertexUvs = this.faceVertexUvs[ 0 ][ i ];
|
|
|
|
faces.push(
|
|
getUvIndex( faceVertexUvs[ 0 ] ),
|
|
getUvIndex( faceVertexUvs[ 1 ] ),
|
|
getUvIndex( faceVertexUvs[ 2 ] )
|
|
);
|
|
|
|
}
|
|
|
|
if ( hasFaceNormal ) {
|
|
|
|
faces.push( getNormalIndex( face.normal ) );
|
|
|
|
}
|
|
|
|
if ( hasFaceVertexNormal ) {
|
|
|
|
const vertexNormals = face.vertexNormals;
|
|
|
|
faces.push(
|
|
getNormalIndex( vertexNormals[ 0 ] ),
|
|
getNormalIndex( vertexNormals[ 1 ] ),
|
|
getNormalIndex( vertexNormals[ 2 ] )
|
|
);
|
|
|
|
}
|
|
|
|
if ( hasFaceColor ) {
|
|
|
|
faces.push( getColorIndex( face.color ) );
|
|
|
|
}
|
|
|
|
if ( hasFaceVertexColor ) {
|
|
|
|
const vertexColors = face.vertexColors;
|
|
|
|
faces.push(
|
|
getColorIndex( vertexColors[ 0 ] ),
|
|
getColorIndex( vertexColors[ 1 ] ),
|
|
getColorIndex( vertexColors[ 2 ] )
|
|
);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
function setBit( value, position, enabled ) {
|
|
|
|
return enabled ? value | ( 1 << position ) : value & ( ~ ( 1 << position ) );
|
|
|
|
}
|
|
|
|
function getNormalIndex( normal ) {
|
|
|
|
const hash = normal.x.toString() + normal.y.toString() + normal.z.toString();
|
|
|
|
if ( normalsHash[ hash ] !== undefined ) {
|
|
|
|
return normalsHash[ hash ];
|
|
|
|
}
|
|
|
|
normalsHash[ hash ] = normals.length / 3;
|
|
normals.push( normal.x, normal.y, normal.z );
|
|
|
|
return normalsHash[ hash ];
|
|
|
|
}
|
|
|
|
function getColorIndex( color ) {
|
|
|
|
const hash = color.r.toString() + color.g.toString() + color.b.toString();
|
|
|
|
if ( colorsHash[ hash ] !== undefined ) {
|
|
|
|
return colorsHash[ hash ];
|
|
|
|
}
|
|
|
|
colorsHash[ hash ] = colors.length;
|
|
colors.push( color.getHex() );
|
|
|
|
return colorsHash[ hash ];
|
|
|
|
}
|
|
|
|
function getUvIndex( uv ) {
|
|
|
|
const hash = uv.x.toString() + uv.y.toString();
|
|
|
|
if ( uvsHash[ hash ] !== undefined ) {
|
|
|
|
return uvsHash[ hash ];
|
|
|
|
}
|
|
|
|
uvsHash[ hash ] = uvs.length / 2;
|
|
uvs.push( uv.x, uv.y );
|
|
|
|
return uvsHash[ hash ];
|
|
|
|
}
|
|
|
|
data.data = {};
|
|
|
|
data.data.vertices = vertices;
|
|
data.data.normals = normals;
|
|
if ( colors.length > 0 ) data.data.colors = colors;
|
|
if ( uvs.length > 0 ) data.data.uvs = [ uvs ]; // temporal backward compatibility
|
|
data.data.faces = faces;
|
|
|
|
return data;
|
|
|
|
}
|
|
|
|
clone() {
|
|
|
|
/*
|
|
// Handle primitives
|
|
|
|
const parameters = this.parameters;
|
|
|
|
if ( parameters !== undefined ) {
|
|
|
|
const values = [];
|
|
|
|
for ( const key in parameters ) {
|
|
|
|
values.push( parameters[ key ] );
|
|
|
|
}
|
|
|
|
const geometry = Object.create( this.constructor.prototype );
|
|
this.constructor.apply( geometry, values );
|
|
return geometry;
|
|
|
|
}
|
|
|
|
return new this.constructor().copy( this );
|
|
*/
|
|
|
|
return new Geometry().copy( this );
|
|
|
|
}
|
|
|
|
copy( source ) {
|
|
|
|
// reset
|
|
|
|
this.vertices = [];
|
|
this.colors = [];
|
|
this.faces = [];
|
|
this.faceVertexUvs = [[]];
|
|
this.morphTargets = [];
|
|
this.morphNormals = [];
|
|
this.skinWeights = [];
|
|
this.skinIndices = [];
|
|
this.lineDistances = [];
|
|
this.boundingBox = null;
|
|
this.boundingSphere = null;
|
|
|
|
// name
|
|
|
|
this.name = source.name;
|
|
|
|
// vertices
|
|
|
|
const vertices = source.vertices;
|
|
|
|
for ( let i = 0, il = vertices.length; i < il; i ++ ) {
|
|
|
|
this.vertices.push( vertices[ i ].clone() );
|
|
|
|
}
|
|
|
|
// colors
|
|
|
|
const colors = source.colors;
|
|
|
|
for ( let i = 0, il = colors.length; i < il; i ++ ) {
|
|
|
|
this.colors.push( colors[ i ].clone() );
|
|
|
|
}
|
|
|
|
// faces
|
|
|
|
const faces = source.faces;
|
|
|
|
for ( let i = 0, il = faces.length; i < il; i ++ ) {
|
|
|
|
this.faces.push( faces[ i ].clone() );
|
|
|
|
}
|
|
|
|
// face vertex uvs
|
|
|
|
for ( let i = 0, il = source.faceVertexUvs.length; i < il; i ++ ) {
|
|
|
|
const faceVertexUvs = source.faceVertexUvs[ i ];
|
|
|
|
if ( this.faceVertexUvs[ i ] === undefined ) {
|
|
|
|
this.faceVertexUvs[ i ] = [];
|
|
|
|
}
|
|
|
|
for ( let j = 0, jl = faceVertexUvs.length; j < jl; j ++ ) {
|
|
|
|
const uvs = faceVertexUvs[ j ], uvsCopy = [];
|
|
|
|
for ( let k = 0, kl = uvs.length; k < kl; k ++ ) {
|
|
|
|
const uv = uvs[ k ];
|
|
|
|
uvsCopy.push( uv.clone() );
|
|
|
|
}
|
|
|
|
this.faceVertexUvs[ i ].push( uvsCopy );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// morph targets
|
|
|
|
const morphTargets = source.morphTargets;
|
|
|
|
for ( let i = 0, il = morphTargets.length; i < il; i ++ ) {
|
|
|
|
const morphTarget = {};
|
|
morphTarget.name = morphTargets[ i ].name;
|
|
|
|
// vertices
|
|
|
|
if ( morphTargets[ i ].vertices !== undefined ) {
|
|
|
|
morphTarget.vertices = [];
|
|
|
|
for ( let j = 0, jl = morphTargets[ i ].vertices.length; j < jl; j ++ ) {
|
|
|
|
morphTarget.vertices.push( morphTargets[ i ].vertices[ j ].clone() );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// normals
|
|
|
|
if ( morphTargets[ i ].normals !== undefined ) {
|
|
|
|
morphTarget.normals = [];
|
|
|
|
for ( let j = 0, jl = morphTargets[ i ].normals.length; j < jl; j ++ ) {
|
|
|
|
morphTarget.normals.push( morphTargets[ i ].normals[ j ].clone() );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
this.morphTargets.push( morphTarget );
|
|
|
|
}
|
|
|
|
// morph normals
|
|
|
|
const morphNormals = source.morphNormals;
|
|
|
|
for ( let i = 0, il = morphNormals.length; i < il; i ++ ) {
|
|
|
|
const morphNormal = {};
|
|
|
|
// vertex normals
|
|
|
|
if ( morphNormals[ i ].vertexNormals !== undefined ) {
|
|
|
|
morphNormal.vertexNormals = [];
|
|
|
|
for ( let j = 0, jl = morphNormals[ i ].vertexNormals.length; j < jl; j ++ ) {
|
|
|
|
const srcVertexNormal = morphNormals[ i ].vertexNormals[ j ];
|
|
const destVertexNormal = {};
|
|
|
|
destVertexNormal.a = srcVertexNormal.a.clone();
|
|
destVertexNormal.b = srcVertexNormal.b.clone();
|
|
destVertexNormal.c = srcVertexNormal.c.clone();
|
|
|
|
morphNormal.vertexNormals.push( destVertexNormal );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// face normals
|
|
|
|
if ( morphNormals[ i ].faceNormals !== undefined ) {
|
|
|
|
morphNormal.faceNormals = [];
|
|
|
|
for ( let j = 0, jl = morphNormals[ i ].faceNormals.length; j < jl; j ++ ) {
|
|
|
|
morphNormal.faceNormals.push( morphNormals[ i ].faceNormals[ j ].clone() );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
this.morphNormals.push( morphNormal );
|
|
|
|
}
|
|
|
|
// skin weights
|
|
|
|
const skinWeights = source.skinWeights;
|
|
|
|
for ( let i = 0, il = skinWeights.length; i < il; i ++ ) {
|
|
|
|
this.skinWeights.push( skinWeights[ i ].clone() );
|
|
|
|
}
|
|
|
|
// skin indices
|
|
|
|
const skinIndices = source.skinIndices;
|
|
|
|
for ( let i = 0, il = skinIndices.length; i < il; i ++ ) {
|
|
|
|
this.skinIndices.push( skinIndices[ i ].clone() );
|
|
|
|
}
|
|
|
|
// line distances
|
|
|
|
const lineDistances = source.lineDistances;
|
|
|
|
for ( let i = 0, il = lineDistances.length; i < il; i ++ ) {
|
|
|
|
this.lineDistances.push( lineDistances[ i ] );
|
|
|
|
}
|
|
|
|
// bounding box
|
|
|
|
const boundingBox = source.boundingBox;
|
|
|
|
if ( boundingBox !== null ) {
|
|
|
|
this.boundingBox = boundingBox.clone();
|
|
|
|
}
|
|
|
|
// bounding sphere
|
|
|
|
const boundingSphere = source.boundingSphere;
|
|
|
|
if ( boundingSphere !== null ) {
|
|
|
|
this.boundingSphere = boundingSphere.clone();
|
|
|
|
}
|
|
|
|
// update flags
|
|
|
|
this.elementsNeedUpdate = source.elementsNeedUpdate;
|
|
this.verticesNeedUpdate = source.verticesNeedUpdate;
|
|
this.uvsNeedUpdate = source.uvsNeedUpdate;
|
|
this.normalsNeedUpdate = source.normalsNeedUpdate;
|
|
this.colorsNeedUpdate = source.colorsNeedUpdate;
|
|
this.lineDistancesNeedUpdate = source.lineDistancesNeedUpdate;
|
|
this.groupsNeedUpdate = source.groupsNeedUpdate;
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
toBufferGeometry() {
|
|
|
|
const geometry = new DirectGeometry().fromGeometry( this );
|
|
|
|
const buffergeometry = new BufferGeometry();
|
|
|
|
const positions = new Float32Array( geometry.vertices.length * 3 );
|
|
buffergeometry.setAttribute( 'position', new BufferAttribute( positions, 3 ).copyVector3sArray( geometry.vertices ) );
|
|
|
|
if ( geometry.normals.length > 0 ) {
|
|
|
|
const normals = new Float32Array( geometry.normals.length * 3 );
|
|
buffergeometry.setAttribute( 'normal', new BufferAttribute( normals, 3 ).copyVector3sArray( geometry.normals ) );
|
|
|
|
}
|
|
|
|
if ( geometry.colors.length > 0 ) {
|
|
|
|
const colors = new Float32Array( geometry.colors.length * 3 );
|
|
buffergeometry.setAttribute( 'color', new BufferAttribute( colors, 3 ).copyColorsArray( geometry.colors ) );
|
|
|
|
}
|
|
|
|
if ( geometry.uvs.length > 0 ) {
|
|
|
|
const uvs = new Float32Array( geometry.uvs.length * 2 );
|
|
buffergeometry.setAttribute( 'uv', new BufferAttribute( uvs, 2 ).copyVector2sArray( geometry.uvs ) );
|
|
|
|
}
|
|
|
|
if ( geometry.uvs2.length > 0 ) {
|
|
|
|
const uvs2 = new Float32Array( geometry.uvs2.length * 2 );
|
|
buffergeometry.setAttribute( 'uv2', new BufferAttribute( uvs2, 2 ).copyVector2sArray( geometry.uvs2 ) );
|
|
|
|
}
|
|
|
|
// groups
|
|
|
|
buffergeometry.groups = geometry.groups;
|
|
|
|
// morphs
|
|
|
|
for ( const name in geometry.morphTargets ) {
|
|
|
|
const array = [];
|
|
const morphTargets = geometry.morphTargets[ name ];
|
|
|
|
for ( let i = 0, l = morphTargets.length; i < l; i ++ ) {
|
|
|
|
const morphTarget = morphTargets[ i ];
|
|
|
|
const attribute = new Float32BufferAttribute( morphTarget.data.length * 3, 3 );
|
|
attribute.name = morphTarget.name;
|
|
|
|
array.push( attribute.copyVector3sArray( morphTarget.data ) );
|
|
|
|
}
|
|
|
|
buffergeometry.morphAttributes[ name ] = array;
|
|
|
|
}
|
|
|
|
// skinning
|
|
|
|
if ( geometry.skinIndices.length > 0 ) {
|
|
|
|
const skinIndices = new Float32BufferAttribute( geometry.skinIndices.length * 4, 4 );
|
|
buffergeometry.setAttribute( 'skinIndex', skinIndices.copyVector4sArray( geometry.skinIndices ) );
|
|
|
|
}
|
|
|
|
if ( geometry.skinWeights.length > 0 ) {
|
|
|
|
const skinWeights = new Float32BufferAttribute( geometry.skinWeights.length * 4, 4 );
|
|
buffergeometry.setAttribute( 'skinWeight', skinWeights.copyVector4sArray( geometry.skinWeights ) );
|
|
|
|
}
|
|
|
|
//
|
|
|
|
if ( geometry.boundingSphere !== null ) {
|
|
|
|
buffergeometry.boundingSphere = geometry.boundingSphere.clone();
|
|
|
|
}
|
|
|
|
if ( geometry.boundingBox !== null ) {
|
|
|
|
buffergeometry.boundingBox = geometry.boundingBox.clone();
|
|
|
|
}
|
|
|
|
return buffergeometry;
|
|
|
|
}
|
|
|
|
computeTangents() {
|
|
|
|
console.error( 'THREE.Geometry: .computeTangents() has been removed.' );
|
|
|
|
}
|
|
|
|
computeLineDistances() {
|
|
|
|
console.error( 'THREE.Geometry: .computeLineDistances() has been removed. Use THREE.Line.computeLineDistances() instead.' );
|
|
|
|
}
|
|
|
|
applyMatrix( matrix ) {
|
|
|
|
console.warn( 'THREE.Geometry: .applyMatrix() has been renamed to .applyMatrix4().' );
|
|
return this.applyMatrix4( matrix );
|
|
|
|
}
|
|
|
|
dispose() {
|
|
|
|
this.dispatchEvent( { type: 'dispose' } );
|
|
|
|
}
|
|
|
|
static createBufferGeometryFromObject( object ) {
|
|
|
|
let buffergeometry = new BufferGeometry();
|
|
|
|
const geometry = object.geometry;
|
|
|
|
if ( object.isPoints || object.isLine ) {
|
|
|
|
const positions = new Float32BufferAttribute( geometry.vertices.length * 3, 3 );
|
|
const colors = new Float32BufferAttribute( geometry.colors.length * 3, 3 );
|
|
|
|
buffergeometry.setAttribute( 'position', positions.copyVector3sArray( geometry.vertices ) );
|
|
buffergeometry.setAttribute( 'color', colors.copyColorsArray( geometry.colors ) );
|
|
|
|
if ( geometry.lineDistances && geometry.lineDistances.length === geometry.vertices.length ) {
|
|
|
|
const lineDistances = new Float32BufferAttribute( geometry.lineDistances.length, 1 );
|
|
|
|
buffergeometry.setAttribute( 'lineDistance', lineDistances.copyArray( geometry.lineDistances ) );
|
|
|
|
}
|
|
|
|
if ( geometry.boundingSphere !== null ) {
|
|
|
|
buffergeometry.boundingSphere = geometry.boundingSphere.clone();
|
|
|
|
}
|
|
|
|
if ( geometry.boundingBox !== null ) {
|
|
|
|
buffergeometry.boundingBox = geometry.boundingBox.clone();
|
|
|
|
}
|
|
|
|
} else if ( object.isMesh ) {
|
|
|
|
buffergeometry = geometry.toBufferGeometry();
|
|
|
|
}
|
|
|
|
return buffergeometry;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
Geometry.prototype.isGeometry = true;
|
|
|
|
class DirectGeometry {
|
|
|
|
constructor() {
|
|
|
|
this.vertices = [];
|
|
this.normals = [];
|
|
this.colors = [];
|
|
this.uvs = [];
|
|
this.uvs2 = [];
|
|
|
|
this.groups = [];
|
|
|
|
this.morphTargets = {};
|
|
|
|
this.skinWeights = [];
|
|
this.skinIndices = [];
|
|
|
|
// this.lineDistances = [];
|
|
|
|
this.boundingBox = null;
|
|
this.boundingSphere = null;
|
|
|
|
// update flags
|
|
|
|
this.verticesNeedUpdate = false;
|
|
this.normalsNeedUpdate = false;
|
|
this.colorsNeedUpdate = false;
|
|
this.uvsNeedUpdate = false;
|
|
this.groupsNeedUpdate = false;
|
|
|
|
}
|
|
|
|
computeGroups( geometry ) {
|
|
|
|
const groups = [];
|
|
|
|
let group, i;
|
|
let materialIndex = undefined;
|
|
|
|
const faces = geometry.faces;
|
|
|
|
for ( i = 0; i < faces.length; i ++ ) {
|
|
|
|
const face = faces[ i ];
|
|
|
|
// materials
|
|
|
|
if ( face.materialIndex !== materialIndex ) {
|
|
|
|
materialIndex = face.materialIndex;
|
|
|
|
if ( group !== undefined ) {
|
|
|
|
group.count = ( i * 3 ) - group.start;
|
|
groups.push( group );
|
|
|
|
}
|
|
|
|
group = {
|
|
start: i * 3,
|
|
materialIndex: materialIndex
|
|
};
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if ( group !== undefined ) {
|
|
|
|
group.count = ( i * 3 ) - group.start;
|
|
groups.push( group );
|
|
|
|
}
|
|
|
|
this.groups = groups;
|
|
|
|
}
|
|
|
|
fromGeometry( geometry ) {
|
|
|
|
const faces = geometry.faces;
|
|
const vertices = geometry.vertices;
|
|
const faceVertexUvs = geometry.faceVertexUvs;
|
|
|
|
const hasFaceVertexUv = faceVertexUvs[ 0 ] && faceVertexUvs[ 0 ].length > 0;
|
|
const hasFaceVertexUv2 = faceVertexUvs[ 1 ] && faceVertexUvs[ 1 ].length > 0;
|
|
|
|
// morphs
|
|
|
|
const morphTargets = geometry.morphTargets;
|
|
const morphTargetsLength = morphTargets.length;
|
|
|
|
let morphTargetsPosition;
|
|
|
|
if ( morphTargetsLength > 0 ) {
|
|
|
|
morphTargetsPosition = [];
|
|
|
|
for ( let i = 0; i < morphTargetsLength; i ++ ) {
|
|
|
|
morphTargetsPosition[ i ] = {
|
|
name: morphTargets[ i ].name,
|
|
data: []
|
|
};
|
|
|
|
}
|
|
|
|
this.morphTargets.position = morphTargetsPosition;
|
|
|
|
}
|
|
|
|
const morphNormals = geometry.morphNormals;
|
|
const morphNormalsLength = morphNormals.length;
|
|
|
|
let morphTargetsNormal;
|
|
|
|
if ( morphNormalsLength > 0 ) {
|
|
|
|
morphTargetsNormal = [];
|
|
|
|
for ( let i = 0; i < morphNormalsLength; i ++ ) {
|
|
|
|
morphTargetsNormal[ i ] = {
|
|
name: morphNormals[ i ].name,
|
|
data: []
|
|
};
|
|
|
|
}
|
|
|
|
this.morphTargets.normal = morphTargetsNormal;
|
|
|
|
}
|
|
|
|
// skins
|
|
|
|
const skinIndices = geometry.skinIndices;
|
|
const skinWeights = geometry.skinWeights;
|
|
|
|
const hasSkinIndices = skinIndices.length === vertices.length;
|
|
const hasSkinWeights = skinWeights.length === vertices.length;
|
|
|
|
//
|
|
|
|
if ( vertices.length > 0 && faces.length === 0 ) {
|
|
|
|
console.error( 'THREE.DirectGeometry: Faceless geometries are not supported.' );
|
|
|
|
}
|
|
|
|
for ( let i = 0; i < faces.length; i ++ ) {
|
|
|
|
const face = faces[ i ];
|
|
|
|
this.vertices.push( vertices[ face.a ], vertices[ face.b ], vertices[ face.c ] );
|
|
|
|
const vertexNormals = face.vertexNormals;
|
|
|
|
if ( vertexNormals.length === 3 ) {
|
|
|
|
this.normals.push( vertexNormals[ 0 ], vertexNormals[ 1 ], vertexNormals[ 2 ] );
|
|
|
|
} else {
|
|
|
|
const normal = face.normal;
|
|
|
|
this.normals.push( normal, normal, normal );
|
|
|
|
}
|
|
|
|
const vertexColors = face.vertexColors;
|
|
|
|
if ( vertexColors.length === 3 ) {
|
|
|
|
this.colors.push( vertexColors[ 0 ], vertexColors[ 1 ], vertexColors[ 2 ] );
|
|
|
|
} else {
|
|
|
|
const color = face.color;
|
|
|
|
this.colors.push( color, color, color );
|
|
|
|
}
|
|
|
|
if ( hasFaceVertexUv === true ) {
|
|
|
|
const vertexUvs = faceVertexUvs[ 0 ][ i ];
|
|
|
|
if ( vertexUvs !== undefined ) {
|
|
|
|
this.uvs.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );
|
|
|
|
} else {
|
|
|
|
console.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ', i );
|
|
|
|
this.uvs.push( new Vector2(), new Vector2(), new Vector2() );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if ( hasFaceVertexUv2 === true ) {
|
|
|
|
const vertexUvs = faceVertexUvs[ 1 ][ i ];
|
|
|
|
if ( vertexUvs !== undefined ) {
|
|
|
|
this.uvs2.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );
|
|
|
|
} else {
|
|
|
|
console.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ', i );
|
|
|
|
this.uvs2.push( new Vector2(), new Vector2(), new Vector2() );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// morphs
|
|
|
|
for ( let j = 0; j < morphTargetsLength; j ++ ) {
|
|
|
|
const morphTarget = morphTargets[ j ].vertices;
|
|
|
|
morphTargetsPosition[ j ].data.push( morphTarget[ face.a ], morphTarget[ face.b ], morphTarget[ face.c ] );
|
|
|
|
}
|
|
|
|
for ( let j = 0; j < morphNormalsLength; j ++ ) {
|
|
|
|
const morphNormal = morphNormals[ j ].vertexNormals[ i ];
|
|
|
|
morphTargetsNormal[ j ].data.push( morphNormal.a, morphNormal.b, morphNormal.c );
|
|
|
|
}
|
|
|
|
// skins
|
|
|
|
if ( hasSkinIndices ) {
|
|
|
|
this.skinIndices.push( skinIndices[ face.a ], skinIndices[ face.b ], skinIndices[ face.c ] );
|
|
|
|
}
|
|
|
|
if ( hasSkinWeights ) {
|
|
|
|
this.skinWeights.push( skinWeights[ face.a ], skinWeights[ face.b ], skinWeights[ face.c ] );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
this.computeGroups( geometry );
|
|
|
|
this.verticesNeedUpdate = geometry.verticesNeedUpdate;
|
|
this.normalsNeedUpdate = geometry.normalsNeedUpdate;
|
|
this.colorsNeedUpdate = geometry.colorsNeedUpdate;
|
|
this.uvsNeedUpdate = geometry.uvsNeedUpdate;
|
|
this.groupsNeedUpdate = geometry.groupsNeedUpdate;
|
|
|
|
if ( geometry.boundingSphere !== null ) {
|
|
|
|
this.boundingSphere = geometry.boundingSphere.clone();
|
|
|
|
}
|
|
|
|
if ( geometry.boundingBox !== null ) {
|
|
|
|
this.boundingBox = geometry.boundingBox.clone();
|
|
|
|
}
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
class Face3 {
|
|
|
|
constructor( a, b, c, normal, color, materialIndex = 0 ) {
|
|
|
|
this.a = a;
|
|
this.b = b;
|
|
this.c = c;
|
|
|
|
this.normal = ( normal && normal.isVector3 ) ? normal : new Vector3();
|
|
this.vertexNormals = Array.isArray( normal ) ? normal : [];
|
|
|
|
this.color = ( color && color.isColor ) ? color : new Color();
|
|
this.vertexColors = Array.isArray( color ) ? color : [];
|
|
|
|
this.materialIndex = materialIndex;
|
|
|
|
}
|
|
|
|
clone() {
|
|
|
|
return new this.constructor().copy( this );
|
|
|
|
}
|
|
|
|
copy( source ) {
|
|
|
|
this.a = source.a;
|
|
this.b = source.b;
|
|
this.c = source.c;
|
|
|
|
this.normal.copy( source.normal );
|
|
this.color.copy( source.color );
|
|
|
|
this.materialIndex = source.materialIndex;
|
|
|
|
for ( let i = 0, il = source.vertexNormals.length; i < il; i ++ ) {
|
|
|
|
this.vertexNormals[ i ] = source.vertexNormals[ i ].clone();
|
|
|
|
}
|
|
|
|
for ( let i = 0, il = source.vertexColors.length; i < il; i ++ ) {
|
|
|
|
this.vertexColors[ i ] = source.vertexColors[ i ].clone();
|
|
|
|
}
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
export { Face3, Geometry };
|
|
|