<html>
<head>
<title>Tu Ferrari</title>
<style>canvas { width: 100%; height: 100% }</style>
<link rel="stylesheet" type="text/css" href="style.css">
<link href='http://fonts.googleapis.com/css?family=Open+Sans:400,700' rel='stylesheet' type='text/css'>
</head>
<body>
<!--
<div id="description">(This is a concept idea for expanding cars in 3d for ads or webpage. Once car has loaded, mouse over the Expand button.)</div>-->
<!--<div id="expandBtn" onclick="expandMe()">EXPLODE</div>
<div id="collapseBtn" onclick="collapseMe()">IMPLODE</div> -->
<!--<div id="bump">Expand</div> -->
<div style='position: absolute; padding-left: 10px; font-size:200%; color: white;'>
</div>
<div id="viewport"></div>
<div id="base"></div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r71/three.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/1.17.0/TweenMax.min.js"></script>
<script src="CSS3DRenderer.js"></script>
<script src='Projector.js'></script>
<script src="OrbitControls.js"></script>
<script type="text/javascript" src="script.js"></script>
</body>
</html>
var obj, glscene, CSS1, drawMesh, cssScene, number, cssObject, cssRenderer, mesh, planeMesh, table, camera, renderer, geometry, material, cube, group, textureUrl, texture;
var leftFrontTire = null;
var tyre_edges_f_l = null;
var treads_front_l = null;
var rightFrontTire = null;
var tyre_edges_f_r = null;
var treads_front_r = null;
var front_bumper = null;
var back_bumper = null;
var inner_wheel_fl = null;
var inner_wheel_fr = null;
var inner_wheel_bl = null;
var inner_wheel_br = null;
var struts_fl = null;
var body = null;
var line = null;
var expandBtn = ("#expandBtn");
var collapseBtn = ("#collapseBtn");
var expanded = 0;
init();
render();
function init() {
glscene = new THREE.Scene();
cssScene = new THREE.Scene();
camera = new THREE.PerspectiveCamera( 35, window.innerWidth / window.innerHeight, 0.1, 10000 );
camera.position.z = -10;
camera.position.y = 3.25;
camera.position.x = 7.5;
camera.lookAt({
x: -0,
y: -0,
z: -0
});
controls = new THREE.OrbitControls(camera);
//set background to have transparency - alpha: true
renderer = new THREE.WebGLRenderer({ alpha: true });
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.shadowMapEnabled = true;
renderer.shadowMapType = THREE.BasicShadowMap;
renderer.shadowMapSoft = true;
document.getElementById("viewport").appendChild(renderer.domElement);
cssRenderer = new THREE.CSS3DRenderer({ alpha: true });
cssRenderer.setSize( window.innerWidth, window.innerHeight );
cssRenderer.setClearColor( 0xffffff, 1);
// cssRenderer.domElement.style.position = 'absolute';
// cssRenderer.domElement.style.top = 0;
document.getElementById("base").appendChild(cssRenderer.domElement);
createLights();
createFloor();
boxgeometry = new THREE.BoxGeometry(1, 1, 1);
boxmaterial = new THREE.MeshLambertMaterial({
color: 0x18CAE6
});
var cube = new THREE.Mesh(boxgeometry, boxmaterial);
cube.castShadow = true;
cube.position.x = 2;
cube.position.y = 0.5;
cube.position.z = -2;
glscene.add(cube);
drawLine();
drawMesh();
}
function drawLine(){
var material = new THREE.LineBasicMaterial({
transparent: true, color: 0x18CAE6, opacity:1, linewidth: 2
});
var geometry = new THREE.Geometry();
geometry.vertices.push(new THREE.Vector3(0, 0, 0));
geometry.vertices.push(new THREE.Vector3(0.50, 0.85, 0));
// geometry.vertices.push(new THREE.Vector3(.825, 0.825, 0));
line = new THREE.Line(geometry, material);
line.position.x = 1.75;
line.position.z = -2;
line.position.y = 0.72;
glscene.add(line);
}
function drawMesh(){
// create the plane mesh
//var material = new THREE.MeshBasicMaterial({ wireframe: false, color: 0xFF00FF });
var material = new THREE.MeshBasicMaterial();
material.color.set('black');
material.opacity = 0;
// material = THREE.DoubleSide;
material.blending = THREE.NoBlending;
var geometry = new THREE.PlaneGeometry(1.70,0.49);
planeMesh = new THREE.Mesh( geometry, material );
planeMesh.position.x = 2.5;
planeMesh.position.y = 1.8;
planeMesh.position.z = -2;
planeMesh.rotation.y = Math.PI / 1;
// add it to the WebGL scene
glscene.add(planeMesh);
var number = document.createElement( 'div' );
number.className = 'number';
number.textContent = "This is an html textbox and that is a cube. blah blah blah";
// create the object3d for this element
cssObject = new THREE.CSS3DObject( number );
// we reference the same position and rotation
cssObject.position = planeMesh.position;
cssObject.rotation = planeMesh.rotation;
cssObject.scale.set(0.0075,0.0075,0.0075);
cssObject.rotation.y = Math.PI / 1;
cssObject.position.x = 2.5;
cssObject.position.y = 1.8;
cssObject.position.z = -2;
cssObject.blending = THREE.AdditiveBlending;
console.log(cssObject.position.x);
// add it to the css scene
cssScene.add(cssObject);
}
// Add floor
function createFloor(){
floor = new THREE.Mesh(new THREE.PlaneBufferGeometry(1000,500), new THREE.MeshBasicMaterial({color: 0x8594a2}));
floor.rotation.x = -Math.PI/2;
floor.position.y = -0;
floor.receiveShadow = true;
glscene.add(floor);
//console.log(floor);
}
function expandMe(){
over();
expanded = 1;
TweenLite.to(expandBtn, 0.25, {opacity: 0});
TweenLite.to(collapseBtn, 0.25, {opacity: 1, delay:0.1});
TweenLite.to(expandBtn, 0, {css: {'display': 'none'}, delay:0.25});
TweenLite.to(collapseBtn, 0, {css: {'display': 'block'}});
};
function collapseMe(){
off();
expanded = 0;
TweenLite.to(expandBtn, 0.25, {opacity: 1, delay:0.1});
TweenLite.to(collapseBtn, 0.25, {opacity: 0});
TweenLite.to(expandBtn, 0, {css: {'display': 'block'}});
TweenLite.to(collapseBtn, 0, {css: {'display': 'none'}, delay:0.25});
};
function over(){
TweenLite.to(leftFrontTire.position , .75, {x: -1, ease:Sine.easeInOut} );
TweenLite.to(rightFrontTire.position , .75, {x: 1, ease:Sine.easeInOut} );
TweenLite.to(leftBackTire.position , .75, {x: -1, ease:Sine.easeInOut} );
TweenLite.to(rightBackTire.position , .75, {x: 1, ease:Sine.easeInOut} );
TweenLite.to(theBackBumper.position , .75, {z: 1, ease:Sine.easeInOut} );
TweenLite.to(theFrontBumper.position , .75, {z: -1, ease:Sine.easeInOut} );
TweenLite.to(inner_wheel_fl.position , .75, {x: -0.5, ease:Sine.easeInOut} );
TweenLite.to(inner_wheel_fr.position , .75, {x: 0.5, ease:Sine.easeInOut} );
TweenLite.to(inner_wheel_bl.position , .75, {x: -0.5, ease:Sine.easeInOut} );
TweenLite.to(inner_wheel_br.position , .75, {x: 0.5, ease:Sine.easeInOut} );
console.log(line);
TweenLite.to(line.material, .75, {opacity: 1, delay: .25, ease:Sine.easeInOut} );
// TweenLite.to(struts_fl.position , .75, {x: -0.25, ease:Sine.easeInOut} );
// TweenLite.to(body.position , .75, {y: 1, ease:Sine.easeInOut} );
}
function off(){
TweenLite.to(leftFrontTire.position , .75, {x: 0, ease:Sine.easeInOut} );
TweenLite.to(rightFrontTire.position , .75, {x: 0, ease:Sine.easeInOut} );
TweenLite.to(leftBackTire.position , .75, {x: 0, ease:Sine.easeInOut} );
TweenLite.to(rightBackTire.position , .75, {x: 0, ease:Sine.easeInOut} );
TweenLite.to(theBackBumper.position , .75, {z: 0, ease:Sine.easeInOut} );
TweenLite.to(theFrontBumper.position , .75, {z: 0, ease:Sine.easeInOut} );
TweenLite.to(inner_wheel_fl.position , .75, {x: 0, ease:Sine.easeInOut} );
TweenLite.to(inner_wheel_fr.position , .75, {x: 0, ease:Sine.easeInOut} );
TweenLite.to(inner_wheel_bl.position , .75, {x: 0, ease:Sine.easeInOut} );
TweenLite.to(inner_wheel_br.position , .75, {x: 0, ease:Sine.easeInOut} );
TweenLite.to(line.material, .5, {opacity: 0, delay: 0.0, ease:Sine.easeInOut} );
TweenLite.to(planeMesh, .5, {scaleX: 0, delay: 0.0, ease:Sine.easeInOut} );
}
function createLights() {
light1 = new THREE.HemisphereLight(0xffffff, 0xffffff, .5)
light1.intensity = 0.35;
light = new THREE.DirectionalLight(0xdfebff, 1.75);
light.position.set(20, 40, 60);
light.position.multiplyScalar(1.3);
light.castShadow = true;
light.shadowCameraVisible = true;
light.shadowMapWidth = 20;
light.shadowMapHeight = 20;
var d = 20;
light.shadowCameraLeft = -d;
light.shadowCameraRight = d;
light.shadowCameraTop = d;
light.shadowCameraBottom = -d;
light.shadowCameraNear = 1;
light.shadowCameraFar = 100;
light.shadowDarkness = 0.2;
// glscene.add(backLight);
glscene.add(light1);
glscene.add(light);
}
function render() {
camera.lookAt(glscene.position);
requestAnimationFrame(render);
renderer.render(glscene, camera);
cssRenderer.render(cssScene, camera);
}
body{
margin:0;
background-color: #6A7A8A;
}
.number {
font-size: 14px;
font-family: 'Open Sans', sans-serif;
border:1px solid #18CAE6;
padding:12px;
border-radius: 0px;
width:200px;
}
#description{
position: absolute;
font-family: 'Open Sans', sans-serif;
font-size: 14px;
font-style: bold;
color: #000;
z-index: 800;
top:20px;
left: 20px;
}
#logo{
position: absolute;
margin: 70px;
margin-left: 80%;
background: url("../i/ferrari.png") no-repeat fixed center;
z-index: 800;
}
#loading{
position: absolute;
top:50%;
margin-left: 50%;
background: url("../i/loading.gif") no-repeat fixed center;
width:128px;
height: 128px;
z-index: 100;
}
#expandBtn {
z-index: 100;
position: absolute;
top:60%;
left:35%;
color: rgba(127,255,255,0.75);
background: transparent;
outline: 1px solid rgba(127,255,255,0.75);
border: 0px;
padding: 5px 10px;
cursor: pointer;
margin: 5px 5px;
font-family: 'Open Sans', sans-serif;
font-size: 12px ;
display: block;
}
#collapseBtn {
z-index: 100;
position: absolute;
top:60%;
left:35%;
color: rgba(127,255,255,0.75);
background: transparent;
outline: 1px solid rgba(127,255,255,0.75);
border: 0px;
padding: 5px 10px;
cursor: pointer;
margin: 5px 5px;
font-family: 'Open Sans', sans-serif;
font-size: 12px ;
display: none;
opacity: 0;
}
#expandBtn:hover {
/* background-color: rgba(0,255,255,0.5); */
}
#expandBtn:active {
color: #000000;
/* background-color: rgba(0,255,255,0.75); */
}
#viewport{
position:absolute;
z-index: 1;
}
#base{
position:absolute;
z-index: 20;
}
/**
* @author qiao / https://github.com/qiao
* @author mrdoob / http://mrdoob.com
* @author alteredq / http://alteredqualia.com/
* @author WestLangley / http://github.com/WestLangley
* @author erich666 / http://erichaines.com
* @author mrflix / http://felixniklas.de
*
* released under MIT License (MIT)
*/
/*global THREE, console */
// This set of controls performs orbiting, dollying (zooming), and panning. It maintains
// the "up" direction as +Y, unlike the TrackballControls. Touch on tablet and phones is
// supported.
//
// Orbit - left mouse / touch: one finger move
// Zoom - middle mouse, or mousewheel / touch: two finger spread or squish
// Pan - right mouse, or arrow keys / touch: three finter swipe
//
// This is a drop-in replacement for (most) TrackballControls used in examples.
// That is, include this js file and wherever you see:
// controls = new THREE.TrackballControls( camera );
// controls.target.z = 150;
// Simple substitute "OrbitControls" and the control should work as-is.
THREE.OrbitControls = function ( object, domElement, localElement ) {
this.object = object;
this.domElement = ( domElement !== undefined ) ? domElement : document;
this.localElement = ( localElement !== undefined ) ? localElement : document;
// API
// Set to false to disable this control
this.enabled = true;
// "target" sets the location of focus, where the control orbits around
// and where it pans with respect to.
this.target = new THREE.Vector3();
// center is old, deprecated; use "target" instead
this.center = this.target;
// This option actually enables dollying in and out; left as "zoom" for
// backwards compatibility
this.noZoom = false;
this.zoomSpeed = 1.0;
// Limits to how far you can dolly in and out
this.minDistance = 0;
this.maxDistance = Infinity;
// Set to true to disable this control
this.noRotate = false;
this.rotateSpeed = 1.0;
// Set to true to disable this control
this.noPan = false;
this.keyPanSpeed = 7.0; // pixels moved per arrow key push
// Set to true to automatically rotate around the target
this.autoRotate = false;
this.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60
// How far you can orbit vertically, upper and lower limits.
// Range is 0 to Math.PI radians.
this.minPolarAngle = 0; // radians
this.maxPolarAngle = Math.PI; // radians
// Set to true to disable use of the keys
this.noKeys = false;
// The four arrow keys
this.keys = { LEFT: 37, UP: 38, RIGHT: 39, BOTTOM: 40 };
////////////
// internals
var scope = this;
var EPS = 0.000001;
var rotateStart = new THREE.Vector2();
var rotateEnd = new THREE.Vector2();
var rotateDelta = new THREE.Vector2();
var panStart = new THREE.Vector2();
var panEnd = new THREE.Vector2();
var panDelta = new THREE.Vector2();
var dollyStart = new THREE.Vector2();
var dollyEnd = new THREE.Vector2();
var dollyDelta = new THREE.Vector2();
var phiDelta = 0;
var thetaDelta = 0;
var scale = 1;
var pan = new THREE.Vector3();
var lastPosition = new THREE.Vector3();
var STATE = { NONE : -1, ROTATE : 0, DOLLY : 1, PAN : 2, TOUCH_ROTATE : 3, TOUCH_DOLLY : 4, TOUCH_PAN : 5 };
var state = STATE.NONE;
// events
var changeEvent = { type: 'change' };
this.rotateLeft = function ( angle ) {
if ( angle === undefined ) {
angle = getAutoRotationAngle();
}
thetaDelta -= angle;
};
this.rotateUp = function ( angle ) {
if ( angle === undefined ) {
angle = getAutoRotationAngle();
}
phiDelta -= angle;
};
// pass in distance in world space to move left
this.panLeft = function ( distance ) {
var panOffset = new THREE.Vector3();
var te = this.object.matrix.elements;
// get X column of matrix
panOffset.set( te[0], te[1], te[2] );
panOffset.multiplyScalar(-distance);
pan.add( panOffset );
};
// pass in distance in world space to move up
this.panUp = function ( distance ) {
var panOffset = new THREE.Vector3();
var te = this.object.matrix.elements;
// get Y column of matrix
panOffset.set( te[4], te[5], te[6] );
panOffset.multiplyScalar(distance);
pan.add( panOffset );
};
// main entry point; pass in Vector2 of change desired in pixel space,
// right and down are positive
this.pan = function ( delta ) {
var element = scope.domElement === document ? scope.domElement.body : scope.domElement;
if ( scope.object.fov !== undefined ) {
// perspective
var position = scope.object.position;
var offset = position.clone().sub( scope.target );
var targetDistance = offset.length();
// half of the fov is center to top of screen
targetDistance *= Math.tan( (scope.object.fov/2) * Math.PI / 180.0 );
// we actually don't use screenWidth, since perspective camera is fixed to screen height
scope.panLeft( 2 * delta.x * targetDistance / element.clientHeight );
scope.panUp( 2 * delta.y * targetDistance / element.clientHeight );
} else if ( scope.object.top !== undefined ) {
// orthographic
scope.panLeft( delta.x * (scope.object.right - scope.object.left) / element.clientWidth );
scope.panUp( delta.y * (scope.object.top - scope.object.bottom) / element.clientHeight );
} else {
// camera neither orthographic or perspective - warn user
console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );
}
};
this.dollyIn = function ( dollyScale ) {
if ( dollyScale === undefined ) {
dollyScale = getZoomScale();
}
scale /= dollyScale;
};
this.dollyOut = function ( dollyScale ) {
if ( dollyScale === undefined ) {
dollyScale = getZoomScale();
}
scale *= dollyScale;
};
this.update = function () {
var position = this.object.position;
var offset = position.clone().sub( this.target );
// angle from z-axis around y-axis
var theta = Math.atan2( offset.x, offset.z );
// angle from y-axis
var phi = Math.atan2( Math.sqrt( offset.x * offset.x + offset.z * offset.z ), offset.y );
if ( this.autoRotate ) {
this.rotateLeft( getAutoRotationAngle() );
}
theta += thetaDelta;
phi += phiDelta;
// restrict phi to be between desired limits
phi = Math.max( this.minPolarAngle, Math.min( this.maxPolarAngle, phi ) );
// restrict phi to be betwee EPS and PI-EPS
phi = Math.max( EPS, Math.min( Math.PI - EPS, phi ) );
var radius = offset.length() * scale;
// restrict radius to be between desired limits
radius = Math.max( this.minDistance, Math.min( this.maxDistance, radius ) );
// move target to panned location
this.target.add( pan );
offset.x = radius * Math.sin( phi ) * Math.sin( theta );
offset.y = radius * Math.cos( phi );
offset.z = radius * Math.sin( phi ) * Math.cos( theta );
position.copy( this.target ).add( offset );
this.object.lookAt( this.target );
thetaDelta = 0;
phiDelta = 0;
scale = 1;
pan.set(0,0,0);
if ( lastPosition.distanceTo( this.object.position ) > 0 ) {
this.dispatchEvent( changeEvent );
lastPosition.copy( this.object.position );
}
};
function getAutoRotationAngle() {
return 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;
}
function getZoomScale() {
return Math.pow( 0.95, scope.zoomSpeed );
}
function onMouseDown( event ) {
if ( scope.enabled === false ) { return; }
event.preventDefault();
if ( event.button === 0 ) {
if ( scope.noRotate === true ) { return; }
state = STATE.ROTATE;
rotateStart.set( event.clientX, event.clientY );
} else if ( event.button === 1 ) {
if ( scope.noZoom === true ) { return; }
state = STATE.DOLLY;
dollyStart.set( event.clientX, event.clientY );
} else if ( event.button === 2 ) {
if ( scope.noPan === true ) { return; }
state = STATE.PAN;
panStart.set( event.clientX, event.clientY );
}
// Greggman fix: https://github.com/greggman/three.js/commit/fde9f9917d6d8381f06bf22cdff766029d1761be
scope.domElement.addEventListener( 'mousemove', onMouseMove, false );
scope.domElement.addEventListener( 'mouseup', onMouseUp, false );
}
function onMouseMove( event ) {
if ( scope.enabled === false ) return;
event.preventDefault();
var element = scope.domElement === document ? scope.domElement.body : scope.domElement;
if ( state === STATE.ROTATE ) {
if ( scope.noRotate === true ) return;
rotateEnd.set( event.clientX, event.clientY );
rotateDelta.subVectors( rotateEnd, rotateStart );
// rotating across whole screen goes 360 degrees around
scope.rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );
// rotating up and down along whole screen attempts to go 360, but limited to 180
scope.rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed );
rotateStart.copy( rotateEnd );
} else if ( state === STATE.DOLLY ) {
if ( scope.noZoom === true ) return;
dollyEnd.set( event.clientX, event.clientY );
dollyDelta.subVectors( dollyEnd, dollyStart );
if ( dollyDelta.y > 0 ) {
scope.dollyIn();
} else {
scope.dollyOut();
}
dollyStart.copy( dollyEnd );
} else if ( state === STATE.PAN ) {
if ( scope.noPan === true ) return;
panEnd.set( event.clientX, event.clientY );
panDelta.subVectors( panEnd, panStart );
scope.pan( panDelta );
panStart.copy( panEnd );
}
// Greggman fix: https://github.com/greggman/three.js/commit/fde9f9917d6d8381f06bf22cdff766029d1761be
scope.update();
}
function onMouseUp( /* event */ ) {
if ( scope.enabled === false ) return;
// Greggman fix: https://github.com/greggman/three.js/commit/fde9f9917d6d8381f06bf22cdff766029d1761be
scope.domElement.removeEventListener( 'mousemove', onMouseMove, false );
scope.domElement.removeEventListener( 'mouseup', onMouseUp, false );
state = STATE.NONE;
}
function onMouseWheel( event ) {
if ( scope.enabled === false || scope.noZoom === true ) return;
var delta = 0;
if ( event.wheelDelta ) { // WebKit / Opera / Explorer 9
delta = event.wheelDelta;
} else if ( event.detail ) { // Firefox
delta = - event.detail;
}
if ( delta > 0 ) {
scope.dollyOut();
} else {
scope.dollyIn();
}
}
function onKeyDown( event ) {
if ( scope.enabled === false ) { return; }
if ( scope.noKeys === true ) { return; }
if ( scope.noPan === true ) { return; }
// pan a pixel - I guess for precise positioning?
// Greggman fix: https://github.com/greggman/three.js/commit/fde9f9917d6d8381f06bf22cdff766029d1761be
var needUpdate = false;
switch ( event.keyCode ) {
case scope.keys.UP:
scope.pan( new THREE.Vector2( 0, scope.keyPanSpeed ) );
needUpdate = true;
break;
case scope.keys.BOTTOM:
scope.pan( new THREE.Vector2( 0, -scope.keyPanSpeed ) );
needUpdate = true;
break;
case scope.keys.LEFT:
scope.pan( new THREE.Vector2( scope.keyPanSpeed, 0 ) );
needUpdate = true;
break;
case scope.keys.RIGHT:
scope.pan( new THREE.Vector2( -scope.keyPanSpeed, 0 ) );
needUpdate = true;
break;
}
// Greggman fix: https://github.com/greggman/three.js/commit/fde9f9917d6d8381f06bf22cdff766029d1761be
if ( needUpdate ) {
scope.update();
}
}
function touchstart( event ) {
if ( scope.enabled === false ) { return; }
switch ( event.touches.length ) {
case 1: // one-fingered touch: rotate
if ( scope.noRotate === true ) { return; }
state = STATE.TOUCH_ROTATE;
rotateStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );
break;
case 2: // two-fingered touch: dolly
if ( scope.noZoom === true ) { return; }
state = STATE.TOUCH_DOLLY;
var dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;
var dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;
var distance = Math.sqrt( dx * dx + dy * dy );
dollyStart.set( 0, distance );
break;
case 3: // three-fingered touch: pan
if ( scope.noPan === true ) { return; }
state = STATE.TOUCH_PAN;
panStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );
break;
default:
state = STATE.NONE;
}
}
function touchmove( event ) {
if ( scope.enabled === false ) { return; }
event.preventDefault();
event.stopPropagation();
var element = scope.domElement === document ? scope.domElement.body : scope.domElement;
switch ( event.touches.length ) {
case 1: // one-fingered touch: rotate
if ( scope.noRotate === true ) { return; }
if ( state !== STATE.TOUCH_ROTATE ) { return; }
rotateEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );
rotateDelta.subVectors( rotateEnd, rotateStart );
// rotating across whole screen goes 360 degrees around
scope.rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );
// rotating up and down along whole screen attempts to go 360, but limited to 180
scope.rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed );
rotateStart.copy( rotateEnd );
break;
case 2: // two-fingered touch: dolly
if ( scope.noZoom === true ) { return; }
if ( state !== STATE.TOUCH_DOLLY ) { return; }
var dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;
var dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;
var distance = Math.sqrt( dx * dx + dy * dy );
dollyEnd.set( 0, distance );
dollyDelta.subVectors( dollyEnd, dollyStart );
if ( dollyDelta.y > 0 ) {
scope.dollyOut();
} else {
scope.dollyIn();
}
dollyStart.copy( dollyEnd );
break;
case 3: // three-fingered touch: pan
if ( scope.noPan === true ) { return; }
if ( state !== STATE.TOUCH_PAN ) { return; }
panEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );
panDelta.subVectors( panEnd, panStart );
scope.pan( panDelta );
panStart.copy( panEnd );
break;
default:
state = STATE.NONE;
}
}
function touchend( /* event */ ) {
if ( scope.enabled === false ) { return; }
state = STATE.NONE;
}
this.domElement.addEventListener( 'contextmenu', function ( event ) { event.preventDefault(); }, false );
this.localElement.addEventListener( 'mousedown', onMouseDown, false );
this.domElement.addEventListener( 'mousewheel', onMouseWheel, false );
this.domElement.addEventListener( 'DOMMouseScroll', onMouseWheel, false ); // firefox
this.domElement.addEventListener( 'keydown', onKeyDown, false );
this.localElement.addEventListener( 'touchstart', touchstart, false );
this.domElement.addEventListener( 'touchend', touchend, false );
this.domElement.addEventListener( 'touchmove', touchmove, false );
};
THREE.OrbitControls.prototype = Object.create( THREE.EventDispatcher.prototype );
/**
* @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();
THREE.Material.prototype.clone.call( this, material );
material.color.copy( this.color );
material.program = this.program;
return material;
};
//
THREE.CanvasRenderer = function ( parameters ) {
console.log( 'THREE.CanvasRenderer', THREE.REVISION );
var smoothstep = THREE.Math.smoothstep;
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();
// 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 () {};
//
this.getPixelRatio = function () {
return pixelRatio;
};
this.setPixelRatio = function ( value ) {
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 && texture.image !== undefined ) {
if ( texture.hasEventListener( 'update', onTextureUpdate ) === false ) {
if ( texture.image.width > 0 ) {
textureToPattern( texture );
}
texture.addEventListener( 'update', onTextureUpdate );
}
var pattern = _patterns[ texture.id ];
if ( pattern !== undefined ) {
setFillStyle( pattern );
} else {
setFillStyle( 'rgba( 0, 0, 0, 1 )' );
}
//
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.MeshDepthMaterial ) {
_color.r = _color.g = _color.b = 1 - smoothstep( v1.positionScreen.z * v1.positionScreen.w, _camera.near, _camera.far );
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 onTextureUpdate ( event ) {
textureToPattern( event.target );
}
function textureToPattern( texture ) {
if ( texture instanceof THREE.CompressedTexture ) return;
var repeatX = texture.wrapS === THREE.RepeatWrapping;
var repeatY = texture.wrapT === THREE.RepeatWrapping;
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 );
_patterns[ texture.id ] = _context.createPattern(
canvas, repeatX === true && repeatY === true
? 'repeat'
: repeatX === true && repeatY === false
? 'repeat-x'
: repeatX === false && repeatY === true
? 'repeat-y'
: 'no-repeat'
);
}
function patternPath( x0, y0, x1, y1, x2, y2, u0, v0, u1, v1, u2, v2, texture ) {
if ( texture instanceof THREE.DataTexture ) return;
if ( texture.hasEventListener( 'update', onTextureUpdate ) === false ) {
if ( texture.image !== undefined && texture.image.width > 0 ) {
textureToPattern( texture );
}
texture.addEventListener( 'update', onTextureUpdate );
}
var pattern = _patterns[ texture.id ];
if ( pattern !== undefined ) {
setFillStyle( pattern );
} 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;
}
}
};
/**
* @author mrdoob / http://mrdoob.com/
* @author supereggbert / http://www.paulbrunt.co.uk/
* @author julianwa / https://github.com/julianwa
*/
THREE.RenderableObject = function () {
this.id = 0;
this.object = null;
this.z = 0;
};
//
THREE.RenderableFace = function () {
this.id = 0;
this.v1 = new THREE.RenderableVertex();
this.v2 = new THREE.RenderableVertex();
this.v3 = new THREE.RenderableVertex();
this.normalModel = new THREE.Vector3();
this.vertexNormalsModel = [ new THREE.Vector3(), new THREE.Vector3(), new THREE.Vector3() ];
this.vertexNormalsLength = 0;
this.color = new THREE.Color();
this.material = null;
this.uvs = [ new THREE.Vector2(), new THREE.Vector2(), new THREE.Vector2() ];
this.z = 0;
};
//
THREE.RenderableVertex = function () {
this.position = new THREE.Vector3();
this.positionWorld = new THREE.Vector3();
this.positionScreen = new THREE.Vector4();
this.visible = true;
};
THREE.RenderableVertex.prototype.copy = function ( vertex ) {
this.positionWorld.copy( vertex.positionWorld );
this.positionScreen.copy( vertex.positionScreen );
};
//
THREE.RenderableLine = function () {
this.id = 0;
this.v1 = new THREE.RenderableVertex();
this.v2 = new THREE.RenderableVertex();
this.vertexColors = [ new THREE.Color(), new THREE.Color() ];
this.material = null;
this.z = 0;
};
//
THREE.RenderableSprite = function () {
this.id = 0;
this.object = null;
this.x = 0;
this.y = 0;
this.z = 0;
this.rotation = 0;
this.scale = new THREE.Vector2();
this.material = null;
};
//
THREE.Projector = function () {
var _object, _objectCount, _objectPool = [], _objectPoolLength = 0,
_vertex, _vertexCount, _vertexPool = [], _vertexPoolLength = 0,
_face, _faceCount, _facePool = [], _facePoolLength = 0,
_line, _lineCount, _linePool = [], _linePoolLength = 0,
_sprite, _spriteCount, _spritePool = [], _spritePoolLength = 0,
_renderData = { objects: [], lights: [], elements: [] },
_vector3 = new THREE.Vector3(),
_vector4 = new THREE.Vector4(),
_clipBox = new THREE.Box3( new THREE.Vector3( - 1, - 1, - 1 ), new THREE.Vector3( 1, 1, 1 ) ),
_boundingBox = new THREE.Box3(),
_points3 = new Array( 3 ),
_points4 = new Array( 4 ),
_viewMatrix = new THREE.Matrix4(),
_viewProjectionMatrix = new THREE.Matrix4(),
_modelMatrix,
_modelViewProjectionMatrix = new THREE.Matrix4(),
_normalMatrix = new THREE.Matrix3(),
_frustum = new THREE.Frustum(),
_clippedVertex1PositionScreen = new THREE.Vector4(),
_clippedVertex2PositionScreen = new THREE.Vector4();
//
this.projectVector = function ( vector, camera ) {
console.warn( 'THREE.Projector: .projectVector() is now vector.project().' );
vector.project( camera );
};
this.unprojectVector = function ( vector, camera ) {
console.warn( 'THREE.Projector: .unprojectVector() is now vector.unproject().' );
vector.unproject( camera );
};
this.pickingRay = function ( vector, camera ) {
console.error( 'THREE.Projector: .pickingRay() is now raycaster.setFromCamera().' );
};
//
var RenderList = function () {
var normals = [];
var uvs = [];
var object = null;
var material = null;
var normalMatrix = new THREE.Matrix3();
var setObject = function ( value ) {
object = value;
material = object.material;
normalMatrix.getNormalMatrix( object.matrixWorld );
normals.length = 0;
uvs.length = 0;
};
var projectVertex = function ( vertex ) {
var position = vertex.position;
var positionWorld = vertex.positionWorld;
var positionScreen = vertex.positionScreen;
positionWorld.copy( position ).applyMatrix4( _modelMatrix );
positionScreen.copy( positionWorld ).applyMatrix4( _viewProjectionMatrix );
var invW = 1 / positionScreen.w;
positionScreen.x *= invW;
positionScreen.y *= invW;
positionScreen.z *= invW;
vertex.visible = positionScreen.x >= - 1 && positionScreen.x <= 1 &&
positionScreen.y >= - 1 && positionScreen.y <= 1 &&
positionScreen.z >= - 1 && positionScreen.z <= 1;
};
var pushVertex = function ( x, y, z ) {
_vertex = getNextVertexInPool();
_vertex.position.set( x, y, z );
projectVertex( _vertex );
};
var pushNormal = function ( x, y, z ) {
normals.push( x, y, z );
};
var pushUv = function ( x, y ) {
uvs.push( x, y );
};
var checkTriangleVisibility = function ( v1, v2, v3 ) {
if ( v1.visible === true || v2.visible === true || v3.visible === true ) return true;
_points3[ 0 ] = v1.positionScreen;
_points3[ 1 ] = v2.positionScreen;
_points3[ 2 ] = v3.positionScreen;
return _clipBox.isIntersectionBox( _boundingBox.setFromPoints( _points3 ) );
};
var checkBackfaceCulling = function ( v1, v2, v3 ) {
return ( ( v3.positionScreen.x - v1.positionScreen.x ) *
( v2.positionScreen.y - v1.positionScreen.y ) -
( v3.positionScreen.y - v1.positionScreen.y ) *
( v2.positionScreen.x - v1.positionScreen.x ) ) < 0;
};
var pushLine = function ( a, b ) {
var v1 = _vertexPool[ a ];
var v2 = _vertexPool[ b ];
_line = getNextLineInPool();
_line.id = object.id;
_line.v1.copy( v1 );
_line.v2.copy( v2 );
_line.z = ( v1.positionScreen.z + v2.positionScreen.z ) / 2;
_line.material = object.material;
_renderData.elements.push( _line );
};
var pushTriangle = function ( a, b, c ) {
var v1 = _vertexPool[ a ];
var v2 = _vertexPool[ b ];
var v3 = _vertexPool[ c ];
if ( checkTriangleVisibility( v1, v2, v3 ) === false ) return;
if ( material.side === THREE.DoubleSide || checkBackfaceCulling( v1, v2, v3 ) === true ) {
_face = getNextFaceInPool();
_face.id = object.id;
_face.v1.copy( v1 );
_face.v2.copy( v2 );
_face.v3.copy( v3 );
_face.z = ( v1.positionScreen.z + v2.positionScreen.z + v3.positionScreen.z ) / 3;
for ( var i = 0; i < 3; i ++ ) {
var offset = arguments[ i ] * 3;
var normal = _face.vertexNormalsModel[ i ];
normal.set( normals[ offset ], normals[ offset + 1 ], normals[ offset + 2 ] );
normal.applyMatrix3( normalMatrix ).normalize();
var offset2 = arguments[ i ] * 2;
var uv = _face.uvs[ i ];
uv.set( uvs[ offset2 ], uvs[ offset2 + 1 ] );
}
_face.vertexNormalsLength = 3;
_face.material = object.material;
_renderData.elements.push( _face );
}
};
return {
setObject: setObject,
projectVertex: projectVertex,
checkTriangleVisibility: checkTriangleVisibility,
checkBackfaceCulling: checkBackfaceCulling,
pushVertex: pushVertex,
pushNormal: pushNormal,
pushUv: pushUv,
pushLine: pushLine,
pushTriangle: pushTriangle
}
};
var renderList = new RenderList();
this.projectScene = function ( scene, camera, sortObjects, sortElements ) {
_faceCount = 0;
_lineCount = 0;
_spriteCount = 0;
_renderData.elements.length = 0;
if ( scene.autoUpdate === true ) scene.updateMatrixWorld();
if ( camera.parent === undefined ) camera.updateMatrixWorld();
_viewMatrix.copy( camera.matrixWorldInverse.getInverse( camera.matrixWorld ) );
_viewProjectionMatrix.multiplyMatrices( camera.projectionMatrix, _viewMatrix );
_frustum.setFromMatrix( _viewProjectionMatrix );
//
_objectCount = 0;
_renderData.objects.length = 0;
_renderData.lights.length = 0;
scene.traverseVisible( function ( object ) {
if ( object instanceof THREE.Light ) {
_renderData.lights.push( object );
} else if ( object instanceof THREE.Mesh || object instanceof THREE.Line || object instanceof THREE.Sprite ) {
if ( object.material.visible === false ) return;
if ( object.frustumCulled === false || _frustum.intersectsObject( object ) === true ) {
_object = getNextObjectInPool();
_object.id = object.id;
_object.object = object;
_vector3.setFromMatrixPosition( object.matrixWorld );
_vector3.applyProjection( _viewProjectionMatrix );
_object.z = _vector3.z;
_renderData.objects.push( _object );
}
}
} );
if ( sortObjects === true ) {
_renderData.objects.sort( painterSort );
}
//
for ( var o = 0, ol = _renderData.objects.length; o < ol; o ++ ) {
var object = _renderData.objects[ o ].object;
var geometry = object.geometry;
renderList.setObject( object );
_modelMatrix = object.matrixWorld;
_vertexCount = 0;
if ( object instanceof THREE.Mesh ) {
if ( geometry instanceof THREE.BufferGeometry ) {
var attributes = geometry.attributes;
var offsets = geometry.offsets;
if ( attributes.position === undefined ) continue;
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 ( attributes.normal !== undefined ) {
var normals = attributes.normal.array;
for ( var i = 0, l = normals.length; i < l; i += 3 ) {
renderList.pushNormal( normals[ i ], normals[ i + 1 ], normals[ i + 2 ] );
}
}
if ( attributes.uv !== undefined ) {
var uvs = attributes.uv.array;
for ( var i = 0, l = uvs.length; i < l; i += 2 ) {
renderList.pushUv( uvs[ i ], uvs[ i + 1 ] );
}
}
if ( attributes.index !== undefined ) {
var indices = attributes.index.array;
if ( offsets.length > 0 ) {
for ( var o = 0; o < offsets.length; o ++ ) {
var offset = offsets[ o ];
var index = offset.index;
for ( var i = offset.start, l = offset.start + offset.count; i < l; i += 3 ) {
renderList.pushTriangle( indices[ i ] + index, indices[ i + 1 ] + index, indices[ i + 2 ] + index );
}
}
} else {
for ( var i = 0, l = indices.length; i < l; i += 3 ) {
renderList.pushTriangle( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] );
}
}
} else {
for ( var i = 0, l = positions.length / 3; i < l; i += 3 ) {
renderList.pushTriangle( i, i + 1, i + 2 );
}
}
} else if ( geometry instanceof THREE.Geometry ) {
var vertices = geometry.vertices;
var faces = geometry.faces;
var faceVertexUvs = geometry.faceVertexUvs[ 0 ];
_normalMatrix.getNormalMatrix( _modelMatrix );
var material = object.material;
var isFaceMaterial = material instanceof THREE.MeshFaceMaterial;
var objectMaterials = isFaceMaterial === true ? object.material : null;
for ( var v = 0, vl = vertices.length; v < vl; v ++ ) {
var vertex = vertices[ v ];
_vector3.copy( vertex );
if ( material.morphTargets === true ) {
var morphTargets = geometry.morphTargets;
var morphInfluences = object.morphTargetInfluences;
for ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) {
var influence = morphInfluences[ t ];
if ( influence === 0 ) continue;
var target = morphTargets[ t ];
var targetVertex = target.vertices[ v ];
_vector3.x += ( targetVertex.x - vertex.x ) * influence;
_vector3.y += ( targetVertex.y - vertex.y ) * influence;
_vector3.z += ( targetVertex.z - vertex.z ) * influence;
}
}
renderList.pushVertex( _vector3.x, _vector3.y, _vector3.z );
}
for ( var f = 0, fl = faces.length; f < fl; f ++ ) {
var face = faces[ f ];
var material = isFaceMaterial === true
? objectMaterials.materials[ face.materialIndex ]
: object.material;
if ( material === undefined ) continue;
var side = material.side;
var v1 = _vertexPool[ face.a ];
var v2 = _vertexPool[ face.b ];
var v3 = _vertexPool[ face.c ];
if ( renderList.checkTriangleVisibility( v1, v2, v3 ) === false ) continue;
var visible = renderList.checkBackfaceCulling( v1, v2, v3 );
if ( side !== THREE.DoubleSide ) {
if ( side === THREE.FrontSide && visible === false ) continue;
if ( side === THREE.BackSide && visible === true ) continue;
}
_face = getNextFaceInPool();
_face.id = object.id;
_face.v1.copy( v1 );
_face.v2.copy( v2 );
_face.v3.copy( v3 );
_face.normalModel.copy( face.normal );
if ( visible === false && ( side === THREE.BackSide || side === THREE.DoubleSide ) ) {
_face.normalModel.negate();
}
_face.normalModel.applyMatrix3( _normalMatrix ).normalize();
var faceVertexNormals = face.vertexNormals;
for ( var n = 0, nl = Math.min( faceVertexNormals.length, 3 ); n < nl; n ++ ) {
var normalModel = _face.vertexNormalsModel[ n ];
normalModel.copy( faceVertexNormals[ n ] );
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;
_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 ( attributes.index !== undefined ) {
var indices = attributes.index.array;
for ( var i = 0, l = indices.length; i < l; i += 2 ) {
renderList.pushLine( indices[ i ], indices[ i + 1 ] );
}
} else {
var step = object.mode === THREE.LinePieces ? 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 );
// Handle LineStrip and LinePieces
var step = object.mode === THREE.LinePieces ? 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.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.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.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;
}
}
}
};
/**
* Based on http://www.emagix.net/academic/mscs-project/item/camera-sync-with-css3-and-webgl-threejs
* @author mrdoob / http://mrdoob.com/
*/
THREE.CSS3DObject = function ( element ) {
THREE.Object3D.call( this );
this.element = element;
this.element.style.position = 'absolute';
this.addEventListener( 'removed', function ( event ) {
if ( this.element.parentNode !== null ) {
this.element.parentNode.removeChild( this.element );
}
} );
};
THREE.CSS3DObject.prototype = Object.create( THREE.Object3D.prototype );
THREE.CSS3DObject.prototype.constructor = THREE.CSS3DObject;
THREE.CSS3DSprite = function ( element ) {
THREE.CSS3DObject.call( this, element );
};
THREE.CSS3DSprite.prototype = Object.create( THREE.CSS3DObject.prototype );
THREE.CSS3DSprite.prototype.constructor = THREE.CSS3DSprite;
//
THREE.CSS3DRenderer = function () {
console.log( 'THREE.CSS3DRenderer', THREE.REVISION );
var _width, _height;
var _widthHalf, _heightHalf;
var matrix = new THREE.Matrix4();
var cache = {
camera: { fov: 0, style: '' },
objects: {}
};
var domElement = document.createElement( 'div' );
domElement.style.overflow = 'hidden';
domElement.style.WebkitTransformStyle = 'preserve-3d';
domElement.style.MozTransformStyle = 'preserve-3d';
domElement.style.oTransformStyle = 'preserve-3d';
domElement.style.transformStyle = 'preserve-3d';
this.domElement = domElement;
var cameraElement = document.createElement( 'div' );
cameraElement.style.WebkitTransformStyle = 'preserve-3d';
cameraElement.style.MozTransformStyle = 'preserve-3d';
cameraElement.style.oTransformStyle = 'preserve-3d';
cameraElement.style.transformStyle = 'preserve-3d';
domElement.appendChild( cameraElement );
this.setClearColor = function () {
};
this.setSize = function ( width, height ) {
_width = width;
_height = height;
_widthHalf = _width / 2;
_heightHalf = _height / 2;
domElement.style.width = width + 'px';
domElement.style.height = height + 'px';
cameraElement.style.width = width + 'px';
cameraElement.style.height = height + 'px';
};
var epsilon = function ( value ) {
return Math.abs( value ) < 0.000001 ? 0 : value;
};
var getCameraCSSMatrix = function ( matrix ) {
var elements = matrix.elements;
return 'matrix3d(' +
epsilon( elements[ 0 ] ) + ',' +
epsilon( - elements[ 1 ] ) + ',' +
epsilon( elements[ 2 ] ) + ',' +
epsilon( elements[ 3 ] ) + ',' +
epsilon( elements[ 4 ] ) + ',' +
epsilon( - elements[ 5 ] ) + ',' +
epsilon( elements[ 6 ] ) + ',' +
epsilon( elements[ 7 ] ) + ',' +
epsilon( elements[ 8 ] ) + ',' +
epsilon( - elements[ 9 ] ) + ',' +
epsilon( elements[ 10 ] ) + ',' +
epsilon( elements[ 11 ] ) + ',' +
epsilon( elements[ 12 ] ) + ',' +
epsilon( - elements[ 13 ] ) + ',' +
epsilon( elements[ 14 ] ) + ',' +
epsilon( elements[ 15 ] ) +
')';
};
var getObjectCSSMatrix = function ( matrix ) {
var elements = matrix.elements;
return 'translate3d(-50%,-50%,0) matrix3d(' +
epsilon( elements[ 0 ] ) + ',' +
epsilon( elements[ 1 ] ) + ',' +
epsilon( elements[ 2 ] ) + ',' +
epsilon( elements[ 3 ] ) + ',' +
epsilon( - elements[ 4 ] ) + ',' +
epsilon( - elements[ 5 ] ) + ',' +
epsilon( - elements[ 6 ] ) + ',' +
epsilon( - elements[ 7 ] ) + ',' +
epsilon( elements[ 8 ] ) + ',' +
epsilon( elements[ 9 ] ) + ',' +
epsilon( elements[ 10 ] ) + ',' +
epsilon( elements[ 11 ] ) + ',' +
epsilon( elements[ 12 ] ) + ',' +
epsilon( elements[ 13 ] ) + ',' +
epsilon( elements[ 14 ] ) + ',' +
epsilon( elements[ 15 ] ) +
')';
};
var renderObject = function ( object, camera ) {
if ( object instanceof THREE.CSS3DObject ) {
var style;
if ( object instanceof THREE.CSS3DSprite ) {
// http://swiftcoder.wordpress.com/2008/11/25/constructing-a-billboard-matrix/
matrix.copy( camera.matrixWorldInverse );
matrix.transpose();
matrix.copyPosition( object.matrixWorld );
matrix.scale( object.scale );
matrix.elements[ 3 ] = 0;
matrix.elements[ 7 ] = 0;
matrix.elements[ 11 ] = 0;
matrix.elements[ 15 ] = 1;
style = getObjectCSSMatrix( matrix );
} else {
style = getObjectCSSMatrix( object.matrixWorld );
}
var element = object.element;
var cachedStyle = cache.objects[ object.id ];
if ( cachedStyle === undefined || cachedStyle !== style ) {
element.style.WebkitTransform = style;
element.style.MozTransform = style;
element.style.oTransform = style;
element.style.transform = style;
cache.objects[ object.id ] = style;
}
if ( element.parentNode !== cameraElement ) {
cameraElement.appendChild( element );
}
}
for ( var i = 0, l = object.children.length; i < l; i ++ ) {
renderObject( object.children[ i ], camera );
}
};
this.render = function ( scene, camera ) {
var fov = 0.5 / Math.tan( THREE.Math.degToRad( camera.fov * 0.5 ) ) * _height;
if ( cache.camera.fov !== fov ) {
domElement.style.WebkitPerspective = fov + "px";
domElement.style.MozPerspective = fov + "px";
domElement.style.oPerspective = fov + "px";
domElement.style.perspective = fov + "px";
cache.camera.fov = fov;
}
scene.updateMatrixWorld();
if ( camera.parent === undefined ) camera.updateMatrixWorld();
camera.matrixWorldInverse.getInverse( camera.matrixWorld );
var style = "translate3d(0,0," + fov + "px)" + getCameraCSSMatrix( camera.matrixWorldInverse ) +
" translate3d(" + _widthHalf + "px," + _heightHalf + "px, 0)";
if ( cache.camera.style !== style ) {
cameraElement.style.WebkitTransform = style;
cameraElement.style.MozTransform = style;
cameraElement.style.oTransform = style;
cameraElement.style.transform = style;
cache.camera.style = style;
}
renderObject( scene, camera );
};
};