2059 lines
46 KiB
JavaScript
2059 lines
46 KiB
JavaScript
"use strict";
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let Canvas = require('canvas');
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let src = require('fs').readFileSync(__dirname + '/node_modules/three/three.js');
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let src2 = require('fs').readFileSync(__dirname + '/node_modules/three/CanvasRenderer.js');
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let width = Math.floor(1134);
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let height = Math.floor(768 );
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let window = {
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innerWidth: width,
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innerHeight: height
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};
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let document = {
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createElement: function(name) {
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if (name == "canvas") {
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return new Canvas(width, height);
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}
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}
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};
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Canvas.Image.prototype.addEventListener = function(type, listener, useCapture) {
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this['on' + type] = listener;
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};
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Canvas.prototype.addEventListener = function(type, listener, useCapture) {
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this['on' + type] = listener;
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};
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eval('(function(window, document) {'
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+ src.toString('utf-8').replace('var THREE', 'var THREE = window.THREE')
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+ '})(window, document);'
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);
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let THREE = window.THREE;
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/**
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* @author mrdoob / http://mrdoob.com/
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* @author supereggbert / http://www.paulbrunt.co.uk/
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* @author julianwa / https://github.com/julianwa
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*/
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THREE.RenderableObject = function () {
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this.id = 0;
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this.object = null;
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this.z = 0;
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this.renderOrder = 0;
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};
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//
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THREE.RenderableFace = function () {
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this.id = 0;
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this.v1 = new THREE.RenderableVertex();
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this.v2 = new THREE.RenderableVertex();
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this.v3 = new THREE.RenderableVertex();
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this.normalModel = new THREE.Vector3();
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this.vertexNormalsModel = [ new THREE.Vector3(), new THREE.Vector3(), new THREE.Vector3() ];
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this.vertexNormalsLength = 0;
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this.color = new THREE.Color();
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this.material = null;
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this.uvs = [ new THREE.Vector2(), new THREE.Vector2(), new THREE.Vector2() ];
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this.z = 0;
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this.renderOrder = 0;
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};
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//
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THREE.RenderableVertex = function () {
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this.position = new THREE.Vector3();
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this.positionWorld = new THREE.Vector3();
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this.positionScreen = new THREE.Vector4();
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this.visible = true;
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};
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THREE.RenderableVertex.prototype.copy = function ( vertex ) {
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this.positionWorld.copy( vertex.positionWorld );
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this.positionScreen.copy( vertex.positionScreen );
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};
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//
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THREE.RenderableLine = function () {
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this.id = 0;
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this.v1 = new THREE.RenderableVertex();
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this.v2 = new THREE.RenderableVertex();
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this.vertexColors = [ new THREE.Color(), new THREE.Color() ];
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this.material = null;
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this.z = 0;
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this.renderOrder = 0;
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};
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//
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THREE.RenderableSprite = function () {
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this.id = 0;
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this.object = null;
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this.x = 0;
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this.y = 0;
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this.z = 0;
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this.rotation = 0;
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this.scale = new THREE.Vector2();
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this.material = null;
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this.renderOrder = 0;
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};
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//
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THREE.Projector = function () {
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var _object, _objectCount, _objectPool = [], _objectPoolLength = 0,
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_vertex, _vertexCount, _vertexPool = [], _vertexPoolLength = 0,
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_face, _faceCount, _facePool = [], _facePoolLength = 0,
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_line, _lineCount, _linePool = [], _linePoolLength = 0,
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_sprite, _spriteCount, _spritePool = [], _spritePoolLength = 0,
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_renderData = { objects: [], lights: [], elements: [] },
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_vector3 = new THREE.Vector3(),
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_vector4 = new THREE.Vector4(),
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_clipBox = new THREE.Box3( new THREE.Vector3( - 1, - 1, - 1 ), new THREE.Vector3( 1, 1, 1 ) ),
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_boundingBox = new THREE.Box3(),
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_points3 = new Array( 3 ),
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_points4 = new Array( 4 ),
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_viewMatrix = new THREE.Matrix4(),
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_viewProjectionMatrix = new THREE.Matrix4(),
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_modelMatrix,
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_modelViewProjectionMatrix = new THREE.Matrix4(),
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_normalMatrix = new THREE.Matrix3(),
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_frustum = new THREE.Frustum(),
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_clippedVertex1PositionScreen = new THREE.Vector4(),
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_clippedVertex2PositionScreen = new THREE.Vector4();
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//
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this.projectVector = function ( vector, camera ) {
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console.warn( 'THREE.Projector: .projectVector() is now vector.project().' );
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vector.project( camera );
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};
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this.unprojectVector = function ( vector, camera ) {
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console.warn( 'THREE.Projector: .unprojectVector() is now vector.unproject().' );
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vector.unproject( camera );
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};
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this.pickingRay = function ( vector, camera ) {
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console.error( 'THREE.Projector: .pickingRay() is now raycaster.setFromCamera().' );
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};
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//
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var RenderList = function () {
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var normals = [];
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var uvs = [];
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var object = null;
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var material = null;
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var normalMatrix = new THREE.Matrix3();
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var setObject = function ( value ) {
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object = value;
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material = object.material;
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normalMatrix.getNormalMatrix( object.matrixWorld );
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normals.length = 0;
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uvs.length = 0;
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};
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var projectVertex = function ( vertex ) {
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var position = vertex.position;
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var positionWorld = vertex.positionWorld;
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var positionScreen = vertex.positionScreen;
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positionWorld.copy( position ).applyMatrix4( _modelMatrix );
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positionScreen.copy( positionWorld ).applyMatrix4( _viewProjectionMatrix );
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var invW = 1 / positionScreen.w;
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positionScreen.x *= invW;
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positionScreen.y *= invW;
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positionScreen.z *= invW;
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vertex.visible = positionScreen.x >= - 1 && positionScreen.x <= 1 &&
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positionScreen.y >= - 1 && positionScreen.y <= 1 &&
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positionScreen.z >= - 1 && positionScreen.z <= 1;
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};
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var pushVertex = function ( x, y, z ) {
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_vertex = getNextVertexInPool();
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_vertex.position.set( x, y, z );
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projectVertex( _vertex );
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};
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var pushNormal = function ( x, y, z ) {
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normals.push( x, y, z );
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};
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var pushUv = function ( x, y ) {
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uvs.push( x, y );
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};
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var checkTriangleVisibility = function ( v1, v2, v3 ) {
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if ( v1.visible === true || v2.visible === true || v3.visible === true ) return true;
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_points3[ 0 ] = v1.positionScreen;
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_points3[ 1 ] = v2.positionScreen;
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_points3[ 2 ] = v3.positionScreen;
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return _clipBox.isIntersectionBox( _boundingBox.setFromPoints( _points3 ) );
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};
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var checkBackfaceCulling = function ( v1, v2, v3 ) {
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return ( ( v3.positionScreen.x - v1.positionScreen.x ) *
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( v2.positionScreen.y - v1.positionScreen.y ) -
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( v3.positionScreen.y - v1.positionScreen.y ) *
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( v2.positionScreen.x - v1.positionScreen.x ) ) < 0;
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};
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var pushLine = function ( a, b ) {
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var v1 = _vertexPool[ a ];
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var v2 = _vertexPool[ b ];
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_line = getNextLineInPool();
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_line.id = object.id;
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_line.v1.copy( v1 );
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_line.v2.copy( v2 );
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_line.z = ( v1.positionScreen.z + v2.positionScreen.z ) / 2;
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_line.renderOrder = object.renderOrder;
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_line.material = object.material;
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_renderData.elements.push( _line );
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};
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var pushTriangle = function ( a, b, c ) {
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var v1 = _vertexPool[ a ];
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var v2 = _vertexPool[ b ];
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var v3 = _vertexPool[ c ];
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if ( checkTriangleVisibility( v1, v2, v3 ) === false ) return;
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if ( material.side === THREE.DoubleSide || checkBackfaceCulling( v1, v2, v3 ) === true ) {
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_face = getNextFaceInPool();
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_face.id = object.id;
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_face.v1.copy( v1 );
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_face.v2.copy( v2 );
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_face.v3.copy( v3 );
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_face.z = ( v1.positionScreen.z + v2.positionScreen.z + v3.positionScreen.z ) / 3;
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_face.renderOrder = object.renderOrder;
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// use first vertex normal as face normal
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_face.normalModel.fromArray( normals, a * 3 );
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_face.normalModel.applyMatrix3( normalMatrix ).normalize();
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for ( var i = 0; i < 3; i ++ ) {
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var normal = _face.vertexNormalsModel[ i ];
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normal.fromArray( normals, arguments[ i ] * 3 );
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normal.applyMatrix3( normalMatrix ).normalize();
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var uv = _face.uvs[ i ];
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uv.fromArray( uvs, arguments[ i ] * 2 );
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}
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_face.vertexNormalsLength = 3;
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_face.material = object.material;
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_renderData.elements.push( _face );
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}
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};
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return {
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setObject: setObject,
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projectVertex: projectVertex,
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checkTriangleVisibility: checkTriangleVisibility,
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checkBackfaceCulling: checkBackfaceCulling,
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pushVertex: pushVertex,
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pushNormal: pushNormal,
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pushUv: pushUv,
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pushLine: pushLine,
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pushTriangle: pushTriangle
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}
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};
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var renderList = new RenderList();
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this.projectScene = function ( scene, camera, sortObjects, sortElements ) {
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_faceCount = 0;
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_lineCount = 0;
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_spriteCount = 0;
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_renderData.elements.length = 0;
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if ( scene.autoUpdate === true ) scene.updateMatrixWorld();
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if ( camera.parent === null ) camera.updateMatrixWorld();
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_viewMatrix.copy( camera.matrixWorldInverse.getInverse( camera.matrixWorld ) );
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_viewProjectionMatrix.multiplyMatrices( camera.projectionMatrix, _viewMatrix );
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_frustum.setFromMatrix( _viewProjectionMatrix );
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//
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_objectCount = 0;
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_renderData.objects.length = 0;
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_renderData.lights.length = 0;
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scene.traverseVisible( function ( object ) {
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if ( object instanceof THREE.Light ) {
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_renderData.lights.push( object );
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} else if ( object instanceof THREE.Mesh || object instanceof THREE.Line || object instanceof THREE.Sprite ) {
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var material = object.material;
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if ( material.visible === false ) return;
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if ( object.frustumCulled === false || _frustum.intersectsObject( object ) === true ) {
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_object = getNextObjectInPool();
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_object.id = object.id;
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_object.object = object;
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_vector3.setFromMatrixPosition( object.matrixWorld );
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_vector3.applyProjection( _viewProjectionMatrix );
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_object.z = _vector3.z;
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_object.renderOrder = object.renderOrder;
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_renderData.objects.push( _object );
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}
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}
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} );
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if ( sortObjects === true ) {
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_renderData.objects.sort( painterSort );
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}
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//
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for ( var o = 0, ol = _renderData.objects.length; o < ol; o ++ ) {
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var object = _renderData.objects[ o ].object;
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var geometry = object.geometry;
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renderList.setObject( object );
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_modelMatrix = object.matrixWorld;
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_vertexCount = 0;
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if ( object instanceof THREE.Mesh ) {
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if ( geometry instanceof THREE.BufferGeometry ) {
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var attributes = geometry.attributes;
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var groups = geometry.groups;
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if ( attributes.position === undefined ) continue;
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var positions = attributes.position.array;
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for ( var i = 0, l = positions.length; i < l; i += 3 ) {
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renderList.pushVertex( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] );
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}
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if ( attributes.normal !== undefined ) {
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var normals = attributes.normal.array;
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for ( var i = 0, l = normals.length; i < l; i += 3 ) {
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renderList.pushNormal( normals[ i ], normals[ i + 1 ], normals[ i + 2 ] );
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}
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}
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if ( attributes.uv !== undefined ) {
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var uvs = attributes.uv.array;
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for ( var i = 0, l = uvs.length; i < l; i += 2 ) {
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renderList.pushUv( uvs[ i ], uvs[ i + 1 ] );
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}
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}
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if ( geometry.index !== null ) {
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var indices = geometry.index.array;
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if ( groups.length > 0 ) {
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for ( var o = 0; o < groups.length; o ++ ) {
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var group = groups[ o ];
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for ( var i = group.start, l = group.start + group.count; i < l; i += 3 ) {
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renderList.pushTriangle( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] );
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}
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}
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} else {
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for ( var i = 0, l = indices.length; i < l; i += 3 ) {
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renderList.pushTriangle( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] );
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}
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}
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} else {
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for ( var i = 0, l = positions.length / 3; i < l; i += 3 ) {
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renderList.pushTriangle( i, i + 1, i + 2 );
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}
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}
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} else if ( geometry instanceof THREE.Geometry ) {
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var vertices = geometry.vertices;
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var faces = geometry.faces;
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var faceVertexUvs = geometry.faceVertexUvs[ 0 ];
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_normalMatrix.getNormalMatrix( _modelMatrix );
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var material = object.material;
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var isFaceMaterial = material instanceof THREE.MeshFaceMaterial;
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var objectMaterials = isFaceMaterial === true ? object.material : null;
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for ( var v = 0, vl = vertices.length; v < vl; v ++ ) {
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var vertex = vertices[ v ];
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_vector3.copy( vertex );
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if ( material.morphTargets === true ) {
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var morphTargets = geometry.morphTargets;
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var morphInfluences = object.morphTargetInfluences;
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for ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) {
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var influence = morphInfluences[ t ];
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if ( influence === 0 ) continue;
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var target = morphTargets[ t ];
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var targetVertex = target.vertices[ v ];
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_vector3.x += ( targetVertex.x - vertex.x ) * influence;
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_vector3.y += ( targetVertex.y - vertex.y ) * influence;
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_vector3.z += ( targetVertex.z - vertex.z ) * influence;
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}
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}
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renderList.pushVertex( _vector3.x, _vector3.y, _vector3.z );
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}
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for ( var f = 0, fl = faces.length; f < fl; f ++ ) {
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var face = faces[ f ];
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material = isFaceMaterial === true
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? objectMaterials.materials[ face.materialIndex ]
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: object.material;
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if ( material === undefined ) continue;
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var side = material.side;
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var v1 = _vertexPool[ face.a ];
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var v2 = _vertexPool[ face.b ];
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var v3 = _vertexPool[ face.c ];
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if ( renderList.checkTriangleVisibility( v1, v2, v3 ) === false ) continue;
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var visible = renderList.checkBackfaceCulling( v1, v2, v3 );
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if ( side !== THREE.DoubleSide ) {
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if ( side === THREE.FrontSide && visible === false ) continue;
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if ( side === THREE.BackSide && visible === true ) continue;
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}
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_face = getNextFaceInPool();
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_face.id = object.id;
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_face.v1.copy( v1 );
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_face.v2.copy( v2 );
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_face.v3.copy( v3 );
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_face.normalModel.copy( face.normal );
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if ( visible === false && ( side === THREE.BackSide || side === THREE.DoubleSide ) ) {
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_face.normalModel.negate();
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}
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_face.normalModel.applyMatrix3( _normalMatrix ).normalize();
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var faceVertexNormals = face.vertexNormals;
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for ( var n = 0, nl = Math.min( faceVertexNormals.length, 3 ); n < nl; n ++ ) {
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var normalModel = _face.vertexNormalsModel[ n ];
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normalModel.copy( faceVertexNormals[ n ] );
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|
|
if ( visible === false && ( side === THREE.BackSide || side === THREE.DoubleSide ) ) {
|
|
|
|
normalModel.negate();
|
|
|
|
}
|
|
|
|
normalModel.applyMatrix3( _normalMatrix ).normalize();
|
|
|
|
}
|
|
|
|
_face.vertexNormalsLength = faceVertexNormals.length;
|
|
|
|
var vertexUvs = faceVertexUvs[ f ];
|
|
|
|
if ( vertexUvs !== undefined ) {
|
|
|
|
for ( var u = 0; u < 3; u ++ ) {
|
|
|
|
_face.uvs[ u ].copy( vertexUvs[ u ] );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
_face.color = face.color;
|
|
_face.material = material;
|
|
|
|
_face.z = ( v1.positionScreen.z + v2.positionScreen.z + v3.positionScreen.z ) / 3;
|
|
_face.renderOrder = object.renderOrder;
|
|
|
|
_renderData.elements.push( _face );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else if ( object instanceof THREE.Line ) {
|
|
|
|
if ( geometry instanceof THREE.BufferGeometry ) {
|
|
|
|
var attributes = geometry.attributes;
|
|
|
|
if ( attributes.position !== undefined ) {
|
|
|
|
var positions = attributes.position.array;
|
|
|
|
for ( var i = 0, l = positions.length; i < l; i += 3 ) {
|
|
|
|
renderList.pushVertex( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] );
|
|
|
|
}
|
|
|
|
if ( geometry.index !== null ) {
|
|
|
|
var indices = geometry.index.array;
|
|
|
|
for ( var i = 0, l = indices.length; i < l; i += 2 ) {
|
|
|
|
renderList.pushLine( indices[ i ], indices[ i + 1 ] );
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
var step = object instanceof THREE.LineSegments ? 2 : 1;
|
|
|
|
for ( var i = 0, l = ( positions.length / 3 ) - 1; i < l; i += step ) {
|
|
|
|
renderList.pushLine( i, i + 1 );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else if ( geometry instanceof THREE.Geometry ) {
|
|
|
|
_modelViewProjectionMatrix.multiplyMatrices( _viewProjectionMatrix, _modelMatrix );
|
|
|
|
var vertices = object.geometry.vertices;
|
|
|
|
if ( vertices.length === 0 ) continue;
|
|
|
|
v1 = getNextVertexInPool();
|
|
v1.positionScreen.copy( vertices[ 0 ] ).applyMatrix4( _modelViewProjectionMatrix );
|
|
|
|
var step = object instanceof THREE.LineSegments ? 2 : 1;
|
|
|
|
for ( var v = 1, vl = vertices.length; v < vl; v ++ ) {
|
|
|
|
v1 = getNextVertexInPool();
|
|
v1.positionScreen.copy( vertices[ v ] ).applyMatrix4( _modelViewProjectionMatrix );
|
|
|
|
if ( ( v + 1 ) % step > 0 ) continue;
|
|
|
|
v2 = _vertexPool[ _vertexCount - 2 ];
|
|
|
|
_clippedVertex1PositionScreen.copy( v1.positionScreen );
|
|
_clippedVertex2PositionScreen.copy( v2.positionScreen );
|
|
|
|
if ( clipLine( _clippedVertex1PositionScreen, _clippedVertex2PositionScreen ) === true ) {
|
|
|
|
// Perform the perspective divide
|
|
_clippedVertex1PositionScreen.multiplyScalar( 1 / _clippedVertex1PositionScreen.w );
|
|
_clippedVertex2PositionScreen.multiplyScalar( 1 / _clippedVertex2PositionScreen.w );
|
|
|
|
_line = getNextLineInPool();
|
|
|
|
_line.id = object.id;
|
|
_line.v1.positionScreen.copy( _clippedVertex1PositionScreen );
|
|
_line.v2.positionScreen.copy( _clippedVertex2PositionScreen );
|
|
|
|
_line.z = Math.max( _clippedVertex1PositionScreen.z, _clippedVertex2PositionScreen.z );
|
|
_line.renderOrder = object.renderOrder;
|
|
|
|
_line.material = object.material;
|
|
|
|
if ( object.material.vertexColors === THREE.VertexColors ) {
|
|
|
|
_line.vertexColors[ 0 ].copy( object.geometry.colors[ v ] );
|
|
_line.vertexColors[ 1 ].copy( object.geometry.colors[ v - 1 ] );
|
|
|
|
}
|
|
|
|
_renderData.elements.push( _line );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else if ( object instanceof THREE.Sprite ) {
|
|
|
|
_vector4.set( _modelMatrix.elements[ 12 ], _modelMatrix.elements[ 13 ], _modelMatrix.elements[ 14 ], 1 );
|
|
_vector4.applyMatrix4( _viewProjectionMatrix );
|
|
|
|
var invW = 1 / _vector4.w;
|
|
|
|
_vector4.z *= invW;
|
|
|
|
if ( _vector4.z >= - 1 && _vector4.z <= 1 ) {
|
|
|
|
_sprite = getNextSpriteInPool();
|
|
_sprite.id = object.id;
|
|
_sprite.x = _vector4.x * invW;
|
|
_sprite.y = _vector4.y * invW;
|
|
_sprite.z = _vector4.z;
|
|
_sprite.renderOrder = object.renderOrder;
|
|
_sprite.object = object;
|
|
|
|
_sprite.rotation = object.rotation;
|
|
|
|
_sprite.scale.x = object.scale.x * Math.abs( _sprite.x - ( _vector4.x + camera.projectionMatrix.elements[ 0 ] ) / ( _vector4.w + camera.projectionMatrix.elements[ 12 ] ) );
|
|
_sprite.scale.y = object.scale.y * Math.abs( _sprite.y - ( _vector4.y + camera.projectionMatrix.elements[ 5 ] ) / ( _vector4.w + camera.projectionMatrix.elements[ 13 ] ) );
|
|
|
|
_sprite.material = object.material;
|
|
|
|
_renderData.elements.push( _sprite );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if ( sortElements === true ) {
|
|
|
|
_renderData.elements.sort( painterSort );
|
|
|
|
}
|
|
|
|
return _renderData;
|
|
|
|
};
|
|
|
|
// Pools
|
|
|
|
function getNextObjectInPool() {
|
|
|
|
if ( _objectCount === _objectPoolLength ) {
|
|
|
|
var object = new THREE.RenderableObject();
|
|
_objectPool.push( object );
|
|
_objectPoolLength ++;
|
|
_objectCount ++;
|
|
return object;
|
|
|
|
}
|
|
|
|
return _objectPool[ _objectCount ++ ];
|
|
|
|
}
|
|
|
|
function getNextVertexInPool() {
|
|
|
|
if ( _vertexCount === _vertexPoolLength ) {
|
|
|
|
var vertex = new THREE.RenderableVertex();
|
|
_vertexPool.push( vertex );
|
|
_vertexPoolLength ++;
|
|
_vertexCount ++;
|
|
return vertex;
|
|
|
|
}
|
|
|
|
return _vertexPool[ _vertexCount ++ ];
|
|
|
|
}
|
|
|
|
function getNextFaceInPool() {
|
|
|
|
if ( _faceCount === _facePoolLength ) {
|
|
|
|
var face = new THREE.RenderableFace();
|
|
_facePool.push( face );
|
|
_facePoolLength ++;
|
|
_faceCount ++;
|
|
return face;
|
|
|
|
}
|
|
|
|
return _facePool[ _faceCount ++ ];
|
|
|
|
|
|
}
|
|
|
|
function getNextLineInPool() {
|
|
|
|
if ( _lineCount === _linePoolLength ) {
|
|
|
|
var line = new THREE.RenderableLine();
|
|
_linePool.push( line );
|
|
_linePoolLength ++;
|
|
_lineCount ++;
|
|
return line;
|
|
|
|
}
|
|
|
|
return _linePool[ _lineCount ++ ];
|
|
|
|
}
|
|
|
|
function getNextSpriteInPool() {
|
|
|
|
if ( _spriteCount === _spritePoolLength ) {
|
|
|
|
var sprite = new THREE.RenderableSprite();
|
|
_spritePool.push( sprite );
|
|
_spritePoolLength ++;
|
|
_spriteCount ++;
|
|
return sprite;
|
|
|
|
}
|
|
|
|
return _spritePool[ _spriteCount ++ ];
|
|
|
|
}
|
|
|
|
//
|
|
|
|
function painterSort( a, b ) {
|
|
|
|
if ( a.renderOrder !== b.renderOrder ) {
|
|
|
|
return a.renderOrder - b.renderOrder;
|
|
|
|
} else if ( a.z !== b.z ) {
|
|
|
|
return b.z - a.z;
|
|
|
|
} else if ( a.id !== b.id ) {
|
|
|
|
return a.id - b.id;
|
|
|
|
} else {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
function clipLine( s1, s2 ) {
|
|
|
|
var alpha1 = 0, alpha2 = 1,
|
|
|
|
// Calculate the boundary coordinate of each vertex for the near and far clip planes,
|
|
// Z = -1 and Z = +1, respectively.
|
|
bc1near = s1.z + s1.w,
|
|
bc2near = s2.z + s2.w,
|
|
bc1far = - s1.z + s1.w,
|
|
bc2far = - s2.z + s2.w;
|
|
|
|
if ( bc1near >= 0 && bc2near >= 0 && bc1far >= 0 && bc2far >= 0 ) {
|
|
|
|
// Both vertices lie entirely within all clip planes.
|
|
return true;
|
|
|
|
} else if ( ( bc1near < 0 && bc2near < 0 ) || ( bc1far < 0 && bc2far < 0 ) ) {
|
|
|
|
// Both vertices lie entirely outside one of the clip planes.
|
|
return false;
|
|
|
|
} else {
|
|
|
|
// The line segment spans at least one clip plane.
|
|
|
|
if ( bc1near < 0 ) {
|
|
|
|
// v1 lies outside the near plane, v2 inside
|
|
alpha1 = Math.max( alpha1, bc1near / ( bc1near - bc2near ) );
|
|
|
|
} else if ( bc2near < 0 ) {
|
|
|
|
// v2 lies outside the near plane, v1 inside
|
|
alpha2 = Math.min( alpha2, bc1near / ( bc1near - bc2near ) );
|
|
|
|
}
|
|
|
|
if ( bc1far < 0 ) {
|
|
|
|
// v1 lies outside the far plane, v2 inside
|
|
alpha1 = Math.max( alpha1, bc1far / ( bc1far - bc2far ) );
|
|
|
|
} else if ( bc2far < 0 ) {
|
|
|
|
// v2 lies outside the far plane, v2 inside
|
|
alpha2 = Math.min( alpha2, bc1far / ( bc1far - bc2far ) );
|
|
|
|
}
|
|
|
|
if ( alpha2 < alpha1 ) {
|
|
|
|
// The line segment spans two boundaries, but is outside both of them.
|
|
// (This can't happen when we're only clipping against just near/far but good
|
|
// to leave the check here for future usage if other clip planes are added.)
|
|
return false;
|
|
|
|
} else {
|
|
|
|
// Update the s1 and s2 vertices to match the clipped line segment.
|
|
s1.lerp( s2, alpha1 );
|
|
s2.lerp( s1, 1 - alpha2 );
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
};
|
|
|
|
/**
|
|
* @author mrdoob / http://mrdoob.com/
|
|
*/
|
|
|
|
THREE.SpriteCanvasMaterial = function ( parameters ) {
|
|
|
|
THREE.Material.call( this );
|
|
|
|
this.type = 'SpriteCanvasMaterial';
|
|
|
|
this.color = new THREE.Color( 0xffffff );
|
|
this.program = function ( context, color ) {};
|
|
|
|
this.setValues( parameters );
|
|
|
|
};
|
|
|
|
THREE.SpriteCanvasMaterial.prototype = Object.create( THREE.Material.prototype );
|
|
THREE.SpriteCanvasMaterial.prototype.constructor = THREE.SpriteCanvasMaterial;
|
|
|
|
THREE.SpriteCanvasMaterial.prototype.clone = function () {
|
|
|
|
var material = new THREE.SpriteCanvasMaterial();
|
|
|
|
material.copy( this );
|
|
material.color.copy( this.color );
|
|
material.program = this.program;
|
|
|
|
return material;
|
|
|
|
};
|
|
|
|
//
|
|
|
|
THREE.CanvasRenderer = function ( parameters ) {
|
|
|
|
console.log( 'THREE.CanvasRenderer', THREE.REVISION );
|
|
|
|
parameters = parameters || {};
|
|
|
|
var _this = this,
|
|
_renderData, _elements, _lights,
|
|
_projector = new THREE.Projector(),
|
|
|
|
_canvas = parameters.canvas !== undefined
|
|
? parameters.canvas
|
|
: document.createElement( 'canvas' ),
|
|
|
|
_canvasWidth = _canvas.width,
|
|
_canvasHeight = _canvas.height,
|
|
_canvasWidthHalf = Math.floor( _canvasWidth / 2 ),
|
|
_canvasHeightHalf = Math.floor( _canvasHeight / 2 ),
|
|
|
|
_viewportX = 0,
|
|
_viewportY = 0,
|
|
_viewportWidth = _canvasWidth,
|
|
_viewportHeight = _canvasHeight,
|
|
|
|
pixelRatio = 1,
|
|
|
|
_context = _canvas.getContext( '2d', {
|
|
alpha: parameters.alpha === true
|
|
} ),
|
|
|
|
_clearColor = new THREE.Color( 0x000000 ),
|
|
_clearAlpha = parameters.alpha === true ? 0 : 1,
|
|
|
|
_contextGlobalAlpha = 1,
|
|
_contextGlobalCompositeOperation = 0,
|
|
_contextStrokeStyle = null,
|
|
_contextFillStyle = null,
|
|
_contextLineWidth = null,
|
|
_contextLineCap = null,
|
|
_contextLineJoin = null,
|
|
_contextLineDash = [],
|
|
|
|
_camera,
|
|
|
|
_v1, _v2, _v3, _v4,
|
|
_v5 = new THREE.RenderableVertex(),
|
|
_v6 = new THREE.RenderableVertex(),
|
|
|
|
_v1x, _v1y, _v2x, _v2y, _v3x, _v3y,
|
|
_v4x, _v4y, _v5x, _v5y, _v6x, _v6y,
|
|
|
|
_color = new THREE.Color(),
|
|
_color1 = new THREE.Color(),
|
|
_color2 = new THREE.Color(),
|
|
_color3 = new THREE.Color(),
|
|
_color4 = new THREE.Color(),
|
|
|
|
_diffuseColor = new THREE.Color(),
|
|
_emissiveColor = new THREE.Color(),
|
|
|
|
_lightColor = new THREE.Color(),
|
|
|
|
_patterns = {},
|
|
|
|
_image, _uvs,
|
|
_uv1x, _uv1y, _uv2x, _uv2y, _uv3x, _uv3y,
|
|
|
|
_clipBox = new THREE.Box2(),
|
|
_clearBox = new THREE.Box2(),
|
|
_elemBox = new THREE.Box2(),
|
|
|
|
_ambientLight = new THREE.Color(),
|
|
_directionalLights = new THREE.Color(),
|
|
_pointLights = new THREE.Color(),
|
|
|
|
_vector3 = new THREE.Vector3(), // Needed for PointLight
|
|
_centroid = new THREE.Vector3(),
|
|
_normal = new THREE.Vector3(),
|
|
_normalViewMatrix = new THREE.Matrix3();
|
|
|
|
_context.antialias = 'none';
|
|
// dash+gap fallbacks for Firefox and everything else
|
|
|
|
if ( _context.setLineDash === undefined ) {
|
|
|
|
_context.setLineDash = function () {}
|
|
|
|
}
|
|
|
|
this.domElement = _canvas;
|
|
|
|
this.autoClear = true;
|
|
this.sortObjects = true;
|
|
this.sortElements = true;
|
|
|
|
this.info = {
|
|
|
|
render: {
|
|
|
|
vertices: 0,
|
|
faces: 0
|
|
|
|
}
|
|
|
|
};
|
|
|
|
// WebGLRenderer compatibility
|
|
|
|
this.supportsVertexTextures = function () {};
|
|
this.setFaceCulling = function () {};
|
|
|
|
// API
|
|
|
|
this.getContext = function () {
|
|
|
|
return _context;
|
|
|
|
};
|
|
|
|
this.getContextAttributes = function () {
|
|
|
|
return _context.getContextAttributes();
|
|
|
|
};
|
|
|
|
this.getPixelRatio = function () {
|
|
|
|
return pixelRatio;
|
|
|
|
};
|
|
|
|
this.setPixelRatio = function ( value ) {
|
|
|
|
if ( value !== undefined ) pixelRatio = value;
|
|
|
|
};
|
|
|
|
this.setSize = function ( width, height, updateStyle ) {
|
|
|
|
_canvasWidth = width * pixelRatio;
|
|
_canvasHeight = height * pixelRatio;
|
|
|
|
_canvas.width = _canvasWidth;
|
|
_canvas.height = _canvasHeight;
|
|
|
|
_canvasWidthHalf = Math.floor( _canvasWidth / 2 );
|
|
_canvasHeightHalf = Math.floor( _canvasHeight / 2 );
|
|
|
|
if ( updateStyle !== false ) {
|
|
|
|
_canvas.style.width = width + 'px';
|
|
_canvas.style.height = height + 'px';
|
|
|
|
}
|
|
|
|
_clipBox.min.set( - _canvasWidthHalf, - _canvasHeightHalf );
|
|
_clipBox.max.set( _canvasWidthHalf, _canvasHeightHalf );
|
|
|
|
_clearBox.min.set( - _canvasWidthHalf, - _canvasHeightHalf );
|
|
_clearBox.max.set( _canvasWidthHalf, _canvasHeightHalf );
|
|
|
|
_contextGlobalAlpha = 1;
|
|
_contextGlobalCompositeOperation = 0;
|
|
_contextStrokeStyle = null;
|
|
_contextFillStyle = null;
|
|
_contextLineWidth = null;
|
|
_contextLineCap = null;
|
|
_contextLineJoin = null;
|
|
|
|
this.setViewport( 0, 0, width, height );
|
|
|
|
};
|
|
|
|
this.setViewport = function ( x, y, width, height ) {
|
|
|
|
_viewportX = x * pixelRatio;
|
|
_viewportY = y * pixelRatio;
|
|
|
|
_viewportWidth = width * pixelRatio;
|
|
_viewportHeight = height * pixelRatio;
|
|
|
|
};
|
|
|
|
this.setScissor = function () {};
|
|
this.enableScissorTest = function () {};
|
|
|
|
this.setClearColor = function ( color, alpha ) {
|
|
|
|
_clearColor.set( color );
|
|
_clearAlpha = alpha !== undefined ? alpha : 1;
|
|
|
|
_clearBox.min.set( - _canvasWidthHalf, - _canvasHeightHalf );
|
|
_clearBox.max.set( _canvasWidthHalf, _canvasHeightHalf );
|
|
|
|
};
|
|
|
|
this.setClearColorHex = function ( hex, alpha ) {
|
|
|
|
console.warn( 'THREE.CanvasRenderer: .setClearColorHex() is being removed. Use .setClearColor() instead.' );
|
|
this.setClearColor( hex, alpha );
|
|
|
|
};
|
|
|
|
this.getClearColor = function () {
|
|
|
|
return _clearColor;
|
|
|
|
};
|
|
|
|
this.getClearAlpha = function () {
|
|
|
|
return _clearAlpha;
|
|
|
|
};
|
|
|
|
this.getMaxAnisotropy = function () {
|
|
|
|
return 0;
|
|
|
|
};
|
|
|
|
this.clear = function () {
|
|
|
|
if ( _clearBox.empty() === false ) {
|
|
|
|
_clearBox.intersect( _clipBox );
|
|
_clearBox.expandByScalar( 2 );
|
|
|
|
_clearBox.min.x = _clearBox.min.x + _canvasWidthHalf;
|
|
_clearBox.min.y = - _clearBox.min.y + _canvasHeightHalf; // higher y value !
|
|
_clearBox.max.x = _clearBox.max.x + _canvasWidthHalf;
|
|
_clearBox.max.y = - _clearBox.max.y + _canvasHeightHalf; // lower y value !
|
|
|
|
if ( _clearAlpha < 1 ) {
|
|
|
|
_context.clearRect(
|
|
_clearBox.min.x | 0,
|
|
_clearBox.max.y | 0,
|
|
( _clearBox.max.x - _clearBox.min.x ) | 0,
|
|
( _clearBox.min.y - _clearBox.max.y ) | 0
|
|
);
|
|
|
|
}
|
|
|
|
if ( _clearAlpha > 0 ) {
|
|
|
|
setBlending( THREE.NormalBlending );
|
|
setOpacity( 1 );
|
|
|
|
setFillStyle( 'rgba(' + Math.floor( _clearColor.r * 255 ) + ',' + Math.floor( _clearColor.g * 255 ) + ',' + Math.floor( _clearColor.b * 255 ) + ',' + _clearAlpha + ')' );
|
|
|
|
_context.fillRect(
|
|
_clearBox.min.x | 0,
|
|
_clearBox.max.y | 0,
|
|
( _clearBox.max.x - _clearBox.min.x ) | 0,
|
|
( _clearBox.min.y - _clearBox.max.y ) | 0
|
|
);
|
|
|
|
}
|
|
|
|
_clearBox.makeEmpty();
|
|
|
|
}
|
|
|
|
};
|
|
|
|
// compatibility
|
|
|
|
this.clearColor = function () {};
|
|
this.clearDepth = function () {};
|
|
this.clearStencil = function () {};
|
|
|
|
this.render = function ( scene, camera ) {
|
|
|
|
// if ( camera instanceof THREE.Camera === false ) {
|
|
|
|
// console.error( 'THREE.CanvasRenderer.render: camera is not an instance of THREE.Camera.' );
|
|
// return;
|
|
|
|
// }
|
|
|
|
if ( this.autoClear === true ) this.clear();
|
|
|
|
_this.info.render.vertices = 0;
|
|
_this.info.render.faces = 0;
|
|
|
|
_context.setTransform( _viewportWidth / _canvasWidth, 0, 0, - _viewportHeight / _canvasHeight, _viewportX, _canvasHeight - _viewportY );
|
|
_context.translate( _canvasWidthHalf, _canvasHeightHalf );
|
|
|
|
_renderData = _projector.projectScene( scene, camera, this.sortObjects, this.sortElements );
|
|
_elements = _renderData.elements;
|
|
_lights = _renderData.lights;
|
|
_camera = camera;
|
|
|
|
_normalViewMatrix.getNormalMatrix( camera.matrixWorldInverse );
|
|
|
|
/* DEBUG
|
|
setFillStyle( 'rgba( 0, 255, 255, 0.5 )' );
|
|
_context.fillRect( _clipBox.min.x, _clipBox.min.y, _clipBox.max.x - _clipBox.min.x, _clipBox.max.y - _clipBox.min.y );
|
|
*/
|
|
|
|
calculateLights();
|
|
|
|
for ( var e = 0, el = _elements.length; e < el; e ++ ) {
|
|
|
|
var element = _elements[ e ];
|
|
|
|
var material = element.material;
|
|
|
|
if ( material === undefined || material.opacity === 0 ) continue;
|
|
|
|
_elemBox.makeEmpty();
|
|
|
|
if ( element instanceof THREE.RenderableSprite ) {
|
|
|
|
_v1 = element;
|
|
_v1.x *= _canvasWidthHalf; _v1.y *= _canvasHeightHalf;
|
|
|
|
renderSprite( _v1, element, material );
|
|
|
|
} else if ( element instanceof THREE.RenderableLine ) {
|
|
|
|
_v1 = element.v1; _v2 = element.v2;
|
|
|
|
_v1.positionScreen.x *= _canvasWidthHalf; _v1.positionScreen.y *= _canvasHeightHalf;
|
|
_v2.positionScreen.x *= _canvasWidthHalf; _v2.positionScreen.y *= _canvasHeightHalf;
|
|
|
|
_elemBox.setFromPoints( [
|
|
_v1.positionScreen,
|
|
_v2.positionScreen
|
|
] );
|
|
|
|
if ( _clipBox.isIntersectionBox( _elemBox ) === true ) {
|
|
|
|
renderLine( _v1, _v2, element, material );
|
|
|
|
}
|
|
|
|
} else if ( element instanceof THREE.RenderableFace ) {
|
|
|
|
_v1 = element.v1; _v2 = element.v2; _v3 = element.v3;
|
|
|
|
if ( _v1.positionScreen.z < - 1 || _v1.positionScreen.z > 1 ) continue;
|
|
if ( _v2.positionScreen.z < - 1 || _v2.positionScreen.z > 1 ) continue;
|
|
if ( _v3.positionScreen.z < - 1 || _v3.positionScreen.z > 1 ) continue;
|
|
|
|
_v1.positionScreen.x *= _canvasWidthHalf; _v1.positionScreen.y *= _canvasHeightHalf;
|
|
_v2.positionScreen.x *= _canvasWidthHalf; _v2.positionScreen.y *= _canvasHeightHalf;
|
|
_v3.positionScreen.x *= _canvasWidthHalf; _v3.positionScreen.y *= _canvasHeightHalf;
|
|
|
|
if ( material.overdraw > 0 ) {
|
|
|
|
expand( _v1.positionScreen, _v2.positionScreen, material.overdraw );
|
|
expand( _v2.positionScreen, _v3.positionScreen, material.overdraw );
|
|
expand( _v3.positionScreen, _v1.positionScreen, material.overdraw );
|
|
|
|
}
|
|
|
|
_elemBox.setFromPoints( [
|
|
_v1.positionScreen,
|
|
_v2.positionScreen,
|
|
_v3.positionScreen
|
|
] );
|
|
|
|
if ( _clipBox.isIntersectionBox( _elemBox ) === true ) {
|
|
|
|
renderFace3( _v1, _v2, _v3, 0, 1, 2, element, material );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* DEBUG
|
|
setLineWidth( 1 );
|
|
setStrokeStyle( 'rgba( 0, 255, 0, 0.5 )' );
|
|
_context.strokeRect( _elemBox.min.x, _elemBox.min.y, _elemBox.max.x - _elemBox.min.x, _elemBox.max.y - _elemBox.min.y );
|
|
*/
|
|
|
|
_clearBox.union( _elemBox );
|
|
|
|
}
|
|
|
|
/* DEBUG
|
|
setLineWidth( 1 );
|
|
setStrokeStyle( 'rgba( 255, 0, 0, 0.5 )' );
|
|
_context.strokeRect( _clearBox.min.x, _clearBox.min.y, _clearBox.max.x - _clearBox.min.x, _clearBox.max.y - _clearBox.min.y );
|
|
*/
|
|
|
|
_context.setTransform( 1, 0, 0, 1, 0, 0 );
|
|
|
|
};
|
|
|
|
//
|
|
|
|
function calculateLights() {
|
|
|
|
_ambientLight.setRGB( 0, 0, 0 );
|
|
_directionalLights.setRGB( 0, 0, 0 );
|
|
_pointLights.setRGB( 0, 0, 0 );
|
|
|
|
for ( var l = 0, ll = _lights.length; l < ll; l ++ ) {
|
|
|
|
var light = _lights[ l ];
|
|
var lightColor = light.color;
|
|
|
|
if ( light instanceof THREE.AmbientLight ) {
|
|
|
|
_ambientLight.add( lightColor );
|
|
|
|
} else if ( light instanceof THREE.DirectionalLight ) {
|
|
|
|
// for sprites
|
|
|
|
_directionalLights.add( lightColor );
|
|
|
|
} else if ( light instanceof THREE.PointLight ) {
|
|
|
|
// for sprites
|
|
|
|
_pointLights.add( lightColor );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
function calculateLight( position, normal, color ) {
|
|
|
|
for ( var l = 0, ll = _lights.length; l < ll; l ++ ) {
|
|
|
|
var light = _lights[ l ];
|
|
|
|
_lightColor.copy( light.color );
|
|
|
|
if ( light instanceof THREE.DirectionalLight ) {
|
|
|
|
var lightPosition = _vector3.setFromMatrixPosition( light.matrixWorld ).normalize();
|
|
|
|
var amount = normal.dot( lightPosition );
|
|
|
|
if ( amount <= 0 ) continue;
|
|
|
|
amount *= light.intensity;
|
|
|
|
color.add( _lightColor.multiplyScalar( amount ) );
|
|
|
|
} else if ( light instanceof THREE.PointLight ) {
|
|
|
|
var lightPosition = _vector3.setFromMatrixPosition( light.matrixWorld );
|
|
|
|
var amount = normal.dot( _vector3.subVectors( lightPosition, position ).normalize() );
|
|
|
|
if ( amount <= 0 ) continue;
|
|
|
|
amount *= light.distance == 0 ? 1 : 1 - Math.min( position.distanceTo( lightPosition ) / light.distance, 1 );
|
|
|
|
if ( amount == 0 ) continue;
|
|
|
|
amount *= light.intensity;
|
|
|
|
color.add( _lightColor.multiplyScalar( amount ) );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
function renderSprite( v1, element, material ) {
|
|
|
|
setOpacity( material.opacity );
|
|
setBlending( material.blending );
|
|
|
|
var scaleX = element.scale.x * _canvasWidthHalf;
|
|
var scaleY = element.scale.y * _canvasHeightHalf;
|
|
|
|
var dist = 0.5 * Math.sqrt( scaleX * scaleX + scaleY * scaleY ); // allow for rotated sprite
|
|
_elemBox.min.set( v1.x - dist, v1.y - dist );
|
|
_elemBox.max.set( v1.x + dist, v1.y + dist );
|
|
|
|
if ( material instanceof THREE.SpriteMaterial ) {
|
|
|
|
var texture = material.map;
|
|
|
|
if ( texture !== null ) {
|
|
|
|
var pattern = _patterns[ texture.id ];
|
|
|
|
if ( pattern === undefined || pattern.version !== texture.version ) {
|
|
|
|
pattern = textureToPattern( texture );
|
|
_patterns[ texture.id ] = pattern;
|
|
|
|
}
|
|
|
|
if ( pattern.canvas !== undefined ) {
|
|
|
|
setFillStyle( pattern.canvas );
|
|
|
|
var bitmap = texture.image;
|
|
|
|
var ox = bitmap.width * texture.offset.x;
|
|
var oy = bitmap.height * texture.offset.y;
|
|
|
|
var sx = bitmap.width * texture.repeat.x;
|
|
var sy = bitmap.height * texture.repeat.y;
|
|
|
|
var cx = scaleX / sx;
|
|
var cy = scaleY / sy;
|
|
|
|
_context.save();
|
|
_context.translate( v1.x, v1.y );
|
|
if ( material.rotation !== 0 ) _context.rotate( material.rotation );
|
|
_context.translate( - scaleX / 2, - scaleY / 2 );
|
|
_context.scale( cx, cy );
|
|
_context.translate( - ox, - oy );
|
|
_context.fillRect( ox, oy, sx, sy );
|
|
_context.restore();
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
// no texture
|
|
|
|
setFillStyle( material.color.getStyle() );
|
|
|
|
_context.save();
|
|
_context.translate( v1.x, v1.y );
|
|
if ( material.rotation !== 0 ) _context.rotate( material.rotation );
|
|
_context.scale( scaleX, - scaleY );
|
|
_context.fillRect( - 0.5, - 0.5, 1, 1 );
|
|
_context.restore();
|
|
|
|
}
|
|
|
|
} else if ( material instanceof THREE.SpriteCanvasMaterial ) {
|
|
|
|
setStrokeStyle( material.color.getStyle() );
|
|
setFillStyle( material.color.getStyle() );
|
|
|
|
_context.save();
|
|
_context.translate( v1.x, v1.y );
|
|
if ( material.rotation !== 0 ) _context.rotate( material.rotation );
|
|
_context.scale( scaleX, scaleY );
|
|
|
|
material.program( _context );
|
|
|
|
_context.restore();
|
|
|
|
}
|
|
|
|
/* DEBUG
|
|
setStrokeStyle( 'rgb(255,255,0)' );
|
|
_context.beginPath();
|
|
_context.moveTo( v1.x - 10, v1.y );
|
|
_context.lineTo( v1.x + 10, v1.y );
|
|
_context.moveTo( v1.x, v1.y - 10 );
|
|
_context.lineTo( v1.x, v1.y + 10 );
|
|
_context.stroke();
|
|
*/
|
|
|
|
}
|
|
|
|
function renderLine( v1, v2, element, material ) {
|
|
|
|
setOpacity( material.opacity );
|
|
setBlending( material.blending );
|
|
|
|
_context.beginPath();
|
|
_context.moveTo( v1.positionScreen.x, v1.positionScreen.y );
|
|
_context.lineTo( v2.positionScreen.x, v2.positionScreen.y );
|
|
|
|
if ( material instanceof THREE.LineBasicMaterial ) {
|
|
|
|
setLineWidth( material.linewidth );
|
|
setLineCap( material.linecap );
|
|
setLineJoin( material.linejoin );
|
|
|
|
if ( material.vertexColors !== THREE.VertexColors ) {
|
|
|
|
setStrokeStyle( material.color.getStyle() );
|
|
|
|
} else {
|
|
|
|
var colorStyle1 = element.vertexColors[ 0 ].getStyle();
|
|
var colorStyle2 = element.vertexColors[ 1 ].getStyle();
|
|
|
|
if ( colorStyle1 === colorStyle2 ) {
|
|
|
|
setStrokeStyle( colorStyle1 );
|
|
|
|
} else {
|
|
|
|
try {
|
|
|
|
var grad = _context.createLinearGradient(
|
|
v1.positionScreen.x,
|
|
v1.positionScreen.y,
|
|
v2.positionScreen.x,
|
|
v2.positionScreen.y
|
|
);
|
|
grad.addColorStop( 0, colorStyle1 );
|
|
grad.addColorStop( 1, colorStyle2 );
|
|
|
|
} catch ( exception ) {
|
|
|
|
grad = colorStyle1;
|
|
|
|
}
|
|
|
|
setStrokeStyle( grad );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
_context.stroke();
|
|
_elemBox.expandByScalar( material.linewidth * 2 );
|
|
|
|
} else if ( material instanceof THREE.LineDashedMaterial ) {
|
|
|
|
setLineWidth( material.linewidth );
|
|
setLineCap( material.linecap );
|
|
setLineJoin( material.linejoin );
|
|
setStrokeStyle( material.color.getStyle() );
|
|
setLineDash( [ material.dashSize, material.gapSize ] );
|
|
|
|
_context.stroke();
|
|
|
|
_elemBox.expandByScalar( material.linewidth * 2 );
|
|
|
|
setLineDash( [] );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
function renderFace3( v1, v2, v3, uv1, uv2, uv3, element, material ) {
|
|
|
|
_this.info.render.vertices += 3;
|
|
_this.info.render.faces ++;
|
|
|
|
setOpacity( material.opacity );
|
|
setBlending( material.blending );
|
|
|
|
_v1x = v1.positionScreen.x; _v1y = v1.positionScreen.y;
|
|
_v2x = v2.positionScreen.x; _v2y = v2.positionScreen.y;
|
|
_v3x = v3.positionScreen.x; _v3y = v3.positionScreen.y;
|
|
|
|
drawTriangle( _v1x, _v1y, _v2x, _v2y, _v3x, _v3y );
|
|
|
|
if ( ( material instanceof THREE.MeshLambertMaterial || material instanceof THREE.MeshPhongMaterial ) && material.map === null ) {
|
|
|
|
_diffuseColor.copy( material.color );
|
|
_emissiveColor.copy( material.emissive );
|
|
|
|
if ( material.vertexColors === THREE.FaceColors ) {
|
|
|
|
_diffuseColor.multiply( element.color );
|
|
|
|
}
|
|
|
|
_color.copy( _ambientLight );
|
|
|
|
_centroid.copy( v1.positionWorld ).add( v2.positionWorld ).add( v3.positionWorld ).divideScalar( 3 );
|
|
|
|
calculateLight( _centroid, element.normalModel, _color );
|
|
|
|
_color.multiply( _diffuseColor ).add( _emissiveColor );
|
|
|
|
material.wireframe === true
|
|
? strokePath( _color, material.wireframeLinewidth, material.wireframeLinecap, material.wireframeLinejoin )
|
|
: fillPath( _color );
|
|
|
|
} else if ( material instanceof THREE.MeshBasicMaterial ||
|
|
material instanceof THREE.MeshLambertMaterial ||
|
|
material instanceof THREE.MeshPhongMaterial ) {
|
|
|
|
if ( material.map !== null ) {
|
|
|
|
var mapping = material.map.mapping;
|
|
|
|
if ( mapping === THREE.UVMapping ) {
|
|
|
|
_uvs = element.uvs;
|
|
patternPath( _v1x, _v1y, _v2x, _v2y, _v3x, _v3y, _uvs[ uv1 ].x, _uvs[ uv1 ].y, _uvs[ uv2 ].x, _uvs[ uv2 ].y, _uvs[ uv3 ].x, _uvs[ uv3 ].y, material.map );
|
|
|
|
}
|
|
|
|
} else if ( material.envMap !== null ) {
|
|
|
|
if ( material.envMap.mapping === THREE.SphericalReflectionMapping ) {
|
|
|
|
_normal.copy( element.vertexNormalsModel[ uv1 ] ).applyMatrix3( _normalViewMatrix );
|
|
_uv1x = 0.5 * _normal.x + 0.5;
|
|
_uv1y = 0.5 * _normal.y + 0.5;
|
|
|
|
_normal.copy( element.vertexNormalsModel[ uv2 ] ).applyMatrix3( _normalViewMatrix );
|
|
_uv2x = 0.5 * _normal.x + 0.5;
|
|
_uv2y = 0.5 * _normal.y + 0.5;
|
|
|
|
_normal.copy( element.vertexNormalsModel[ uv3 ] ).applyMatrix3( _normalViewMatrix );
|
|
_uv3x = 0.5 * _normal.x + 0.5;
|
|
_uv3y = 0.5 * _normal.y + 0.5;
|
|
|
|
patternPath( _v1x, _v1y, _v2x, _v2y, _v3x, _v3y, _uv1x, _uv1y, _uv2x, _uv2y, _uv3x, _uv3y, material.envMap );
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
_color.copy( material.color );
|
|
|
|
if ( material.vertexColors === THREE.FaceColors ) {
|
|
|
|
_color.multiply( element.color );
|
|
|
|
}
|
|
|
|
material.wireframe === true
|
|
? strokePath( _color, material.wireframeLinewidth, material.wireframeLinecap, material.wireframeLinejoin )
|
|
: fillPath( _color );
|
|
|
|
}
|
|
|
|
} else if ( material instanceof THREE.MeshNormalMaterial ) {
|
|
|
|
_normal.copy( element.normalModel ).applyMatrix3( _normalViewMatrix );
|
|
|
|
_color.setRGB( _normal.x, _normal.y, _normal.z ).multiplyScalar( 0.5 ).addScalar( 0.5 );
|
|
|
|
material.wireframe === true
|
|
? strokePath( _color, material.wireframeLinewidth, material.wireframeLinecap, material.wireframeLinejoin )
|
|
: fillPath( _color );
|
|
|
|
} else {
|
|
|
|
_color.setRGB( 1, 1, 1 );
|
|
|
|
material.wireframe === true
|
|
? strokePath( _color, material.wireframeLinewidth, material.wireframeLinecap, material.wireframeLinejoin )
|
|
: fillPath( _color );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
//
|
|
|
|
function drawTriangle( x0, y0, x1, y1, x2, y2 ) {
|
|
|
|
_context.beginPath();
|
|
_context.moveTo( x0, y0 );
|
|
_context.lineTo( x1, y1 );
|
|
_context.lineTo( x2, y2 );
|
|
_context.closePath();
|
|
|
|
}
|
|
|
|
function strokePath( color, linewidth, linecap, linejoin ) {
|
|
|
|
setLineWidth( linewidth );
|
|
setLineCap( linecap );
|
|
setLineJoin( linejoin );
|
|
setStrokeStyle( color.getStyle() );
|
|
|
|
_context.stroke();
|
|
|
|
_elemBox.expandByScalar( linewidth * 2 );
|
|
|
|
}
|
|
|
|
function fillPath( color ) {
|
|
|
|
setFillStyle( color.getStyle() );
|
|
_context.fill();
|
|
|
|
}
|
|
|
|
function textureToPattern( texture ) {
|
|
|
|
if ( texture.version === 0 ||
|
|
texture instanceof THREE.CompressedTexture ||
|
|
texture instanceof THREE.DataTexture ) {
|
|
|
|
return {
|
|
canvas: undefined,
|
|
version: texture.version
|
|
}
|
|
|
|
}
|
|
|
|
var image = texture.image;
|
|
|
|
var canvas = document.createElement( 'canvas' );
|
|
canvas.width = image.width;
|
|
canvas.height = image.height;
|
|
|
|
var context = canvas.getContext( '2d' );
|
|
context.setTransform( 1, 0, 0, - 1, 0, image.height );
|
|
context.drawImage( image, 0, 0 );
|
|
|
|
var repeatX = texture.wrapS === THREE.RepeatWrapping;
|
|
var repeatY = texture.wrapT === THREE.RepeatWrapping;
|
|
|
|
var repeat = 'no-repeat';
|
|
|
|
if ( repeatX === true && repeatY === true ) {
|
|
|
|
repeat = 'repeat';
|
|
|
|
} else if ( repeatX === true ) {
|
|
|
|
repeat = 'repeat-x';
|
|
|
|
} else if ( repeatY === true ) {
|
|
|
|
repeat = 'repeat-y';
|
|
|
|
}
|
|
|
|
return {
|
|
canvas: _context.createPattern( canvas, repeat ),
|
|
version: texture.version
|
|
}
|
|
|
|
}
|
|
|
|
function patternPath( x0, y0, x1, y1, x2, y2, u0, v0, u1, v1, u2, v2, texture ) {
|
|
|
|
var pattern = _patterns[ texture.id ];
|
|
|
|
if ( pattern === undefined || pattern.version !== texture.version ) {
|
|
|
|
pattern = textureToPattern( texture );
|
|
_patterns[ texture.id ] = pattern;
|
|
|
|
}
|
|
|
|
if ( pattern.canvas !== undefined ) {
|
|
|
|
setFillStyle( pattern.canvas );
|
|
|
|
} else {
|
|
|
|
setFillStyle( 'rgba( 0, 0, 0, 1)' );
|
|
_context.fill();
|
|
return;
|
|
|
|
}
|
|
|
|
// http://extremelysatisfactorytotalitarianism.com/blog/?p=2120
|
|
|
|
var a, b, c, d, e, f, det, idet,
|
|
offsetX = texture.offset.x / texture.repeat.x,
|
|
offsetY = texture.offset.y / texture.repeat.y,
|
|
width = texture.image.width * texture.repeat.x,
|
|
height = texture.image.height * texture.repeat.y;
|
|
|
|
u0 = ( u0 + offsetX ) * width;
|
|
v0 = ( v0 + offsetY ) * height;
|
|
|
|
u1 = ( u1 + offsetX ) * width;
|
|
v1 = ( v1 + offsetY ) * height;
|
|
|
|
u2 = ( u2 + offsetX ) * width;
|
|
v2 = ( v2 + offsetY ) * height;
|
|
|
|
x1 -= x0; y1 -= y0;
|
|
x2 -= x0; y2 -= y0;
|
|
|
|
u1 -= u0; v1 -= v0;
|
|
u2 -= u0; v2 -= v0;
|
|
|
|
det = u1 * v2 - u2 * v1;
|
|
|
|
if ( det === 0 ) return;
|
|
|
|
idet = 1 / det;
|
|
|
|
a = ( v2 * x1 - v1 * x2 ) * idet;
|
|
b = ( v2 * y1 - v1 * y2 ) * idet;
|
|
c = ( u1 * x2 - u2 * x1 ) * idet;
|
|
d = ( u1 * y2 - u2 * y1 ) * idet;
|
|
|
|
e = x0 - a * u0 - c * v0;
|
|
f = y0 - b * u0 - d * v0;
|
|
|
|
_context.save();
|
|
_context.transform( a, b, c, d, e, f );
|
|
_context.fill();
|
|
_context.restore();
|
|
|
|
}
|
|
|
|
function clipImage( x0, y0, x1, y1, x2, y2, u0, v0, u1, v1, u2, v2, image ) {
|
|
|
|
// http://extremelysatisfactorytotalitarianism.com/blog/?p=2120
|
|
|
|
var a, b, c, d, e, f, det, idet,
|
|
width = image.width - 1,
|
|
height = image.height - 1;
|
|
|
|
u0 *= width; v0 *= height;
|
|
u1 *= width; v1 *= height;
|
|
u2 *= width; v2 *= height;
|
|
|
|
x1 -= x0; y1 -= y0;
|
|
x2 -= x0; y2 -= y0;
|
|
|
|
u1 -= u0; v1 -= v0;
|
|
u2 -= u0; v2 -= v0;
|
|
|
|
det = u1 * v2 - u2 * v1;
|
|
|
|
idet = 1 / det;
|
|
|
|
a = ( v2 * x1 - v1 * x2 ) * idet;
|
|
b = ( v2 * y1 - v1 * y2 ) * idet;
|
|
c = ( u1 * x2 - u2 * x1 ) * idet;
|
|
d = ( u1 * y2 - u2 * y1 ) * idet;
|
|
|
|
e = x0 - a * u0 - c * v0;
|
|
f = y0 - b * u0 - d * v0;
|
|
|
|
_context.save();
|
|
_context.transform( a, b, c, d, e, f );
|
|
_context.clip();
|
|
_context.drawImage( image, 0, 0 );
|
|
_context.restore();
|
|
|
|
}
|
|
|
|
// Hide anti-alias gaps
|
|
|
|
function expand( v1, v2, pixels ) {
|
|
|
|
var x = v2.x - v1.x, y = v2.y - v1.y,
|
|
det = x * x + y * y, idet;
|
|
|
|
if ( det === 0 ) return;
|
|
|
|
idet = pixels / Math.sqrt( det );
|
|
|
|
x *= idet; y *= idet;
|
|
|
|
v2.x += x; v2.y += y;
|
|
v1.x -= x; v1.y -= y;
|
|
|
|
}
|
|
|
|
// Context cached methods.
|
|
|
|
function setOpacity( value ) {
|
|
|
|
if ( _contextGlobalAlpha !== value ) {
|
|
|
|
_context.globalAlpha = value;
|
|
_contextGlobalAlpha = value;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
function setBlending( value ) {
|
|
|
|
if ( _contextGlobalCompositeOperation !== value ) {
|
|
|
|
if ( value === THREE.NormalBlending ) {
|
|
|
|
_context.globalCompositeOperation = 'source-over';
|
|
|
|
} else if ( value === THREE.AdditiveBlending ) {
|
|
|
|
_context.globalCompositeOperation = 'lighter';
|
|
|
|
} else if ( value === THREE.SubtractiveBlending ) {
|
|
|
|
_context.globalCompositeOperation = 'darker';
|
|
|
|
}
|
|
|
|
_contextGlobalCompositeOperation = value;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
function setLineWidth( value ) {
|
|
|
|
if ( _contextLineWidth !== value ) {
|
|
|
|
_context.lineWidth = value;
|
|
_contextLineWidth = value;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
function setLineCap( value ) {
|
|
|
|
// "butt", "round", "square"
|
|
|
|
if ( _contextLineCap !== value ) {
|
|
|
|
_context.lineCap = value;
|
|
_contextLineCap = value;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
function setLineJoin( value ) {
|
|
|
|
// "round", "bevel", "miter"
|
|
|
|
if ( _contextLineJoin !== value ) {
|
|
|
|
_context.lineJoin = value;
|
|
_contextLineJoin = value;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
function setStrokeStyle( value ) {
|
|
|
|
if ( _contextStrokeStyle !== value ) {
|
|
|
|
_context.strokeStyle = value;
|
|
_contextStrokeStyle = value;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
function setFillStyle( value ) {
|
|
|
|
if ( _contextFillStyle !== value ) {
|
|
|
|
_context.fillStyle = value;
|
|
_contextFillStyle = value;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
function setLineDash( value ) {
|
|
|
|
if ( _contextLineDash.length !== value.length ) {
|
|
|
|
_context.setLineDash( value );
|
|
_contextLineDash = value;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
};
|
|
|
|
window.THREE.Image = Canvas.Image;
|
|
module.exports = window.THREE;
|
|
|