Brought back old TrackballControls. Sorry @mrdoob :/

At least till we don't have this solved somehow better I think we should keep the old one. New one makes everything using it feeling broken, it's distracting.

Moved new event-driven `TrackballControls` into `TrackballControlsExperimental`. For the moment used just in "misc_camera_trackball.html" example.

examples/misc_camera_trackball.html

@@ -38,6 +38,7 @@
 		</div>
 
 		<script src="../build/Three.js"></script>
+		<script src="../src/extras/controls/TrackballControlsExperimental.js"></script>
 
 		<script src="js/Detector.js"></script>
 

examples/webgl_lights_pointlights2.html

@@ -261,6 +261,8 @@
 				light6.position.x = Math.cos( time * 0.7 ) * d;
 				light6.position.z = Math.cos( time * 0.5 ) * d;
 
+				controls.update();
+
 				renderer.render( scene, camera );
 
 			}

examples/webgl_loader_ctm_materials.html

@@ -44,7 +44,8 @@
 		<script src="js/ctm/CTMLoader.js"></script>
 
 		<script src="js/Detector.js"></script>
-		
+		<script src="js/Stats.js"></script>
+
 		<script>
 
 			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
@@ -53,7 +54,7 @@
 			var SCREEN_HEIGHT = window.innerHeight;
 			var FLOOR = -250;
 
-			var container;
+			var container, stats;
 
 			var camera, scene, controls;
 			var renderer;
@@ -71,6 +72,7 @@
 			var windowHalfY = window.innerHeight / 2;
 
 			init();
+			animate();
 
 			function init() {
 
@@ -89,7 +91,7 @@
 
 				controls = new THREE.TrackballControls( camera );
 				controls.dynamicDampingFactor = 0.25;
-				controls.addEventListener( 'update', render );
+
 
 				// SKYBOX
 
@@ -103,7 +105,7 @@
 							 r + "pz.png", r + "nz.png" ];
 
 
-				textureCube = THREE.ImageUtils.loadTextureCube( urls, new THREE.UVMapping(), render );
+				textureCube = THREE.ImageUtils.loadTextureCube( urls );
 
 				var shader = THREE.ShaderUtils.lib[ "cube" ];
 				shader.uniforms[ "tCube" ].texture = textureCube;
@@ -155,6 +157,18 @@
 				renderer.gammaOutput = true;
 				renderer.physicallyBasedShading = true;
 
+				// STATS
+
+				stats = new Stats();
+				stats.domElement.style.position = 'absolute';
+				stats.domElement.style.top = '5px';
+				stats.domElement.style.zIndex = 100;
+				container.appendChild( stats.domElement );
+
+				stats.domElement.children[ 0 ].children[ 0 ].style.color = "#aaa";
+				stats.domElement.children[ 0 ].style.background = "transparent";
+				stats.domElement.children[ 0 ].children[ 1 ].style.display = "none";
+
 				// EVENTS
 
 				window.addEventListener( 'resize', onWindowResize, false );
@@ -290,8 +304,6 @@
 				mesh.scale.set( s, s, s );
 				mesh.doubleSided = true;
 				scene.add( mesh );
-	
-				render();
 
 			}
 
@@ -310,8 +322,6 @@
 				cameraCube.aspect = SCREEN_WIDTH / SCREEN_HEIGHT;
 				cameraCube.updateProjectionMatrix();
 
-				render();
-
 			}
 
 
@@ -324,8 +334,19 @@
 
 			//
 
+			function animate() {
+
+				requestAnimationFrame( animate );
+
+				render();
+				stats.update();
+
+			}
+
 			function render() {
 
+				controls.update();
+
 				cameraCube.rotation.copy( camera.rotation );
 
 				renderer.clear();

examples/webgl_morphtargets_md2.html

@@ -383,6 +383,7 @@
 
 				var delta = clock.getDelta();
 
+				controls.update();
 				character.update( delta );
 
 				renderer.render( scene, camera );

examples/webgl_shading_physical.html

@@ -550,6 +550,7 @@
 				var delta = 1000 * clock.getDelta();
 
 				TWEEN.update();
+				controls.update();
 
 				if ( morph ) morph.updateAnimation( delta );
 

examples/webgl_terrain_dynamic.html

@@ -738,6 +738,8 @@
 
 					}
 
+					controls.update();
+
 					//renderer.render( scene, camera );
 					composer.render( 0.1 );
 

examples/webgl_trackballcamera_earth.html

@@ -287,6 +287,8 @@
 				);
 				meshMoon.rotation.y -= angle;
 
+				controls.update();
+
 				renderer.clear();
 				renderer.render( scene, camera );
 

src/extras/controls/TrackballControls.js

@@ -4,8 +4,6 @@
 
 THREE.TrackballControls = function ( object, domElement ) {
 
-	THREE.EventTarget.call( this );
-
 	var _this = this,
 	STATE = { NONE : -1, ROTATE : 0, ZOOM : 1, PAN : 2 };
 
@@ -208,6 +206,37 @@ THREE.TrackballControls = function ( object, domElement ) {
 
 	};
 
+	this.update = function() {
+
+		_eye.copy( _this.object.position ).subSelf( this.target );
+
+		if ( !_this.noRotate ) {
+
+			_this.rotateCamera();
+
+		}
+
+		if ( !_this.noZoom ) {
+
+			_this.zoomCamera();
+
+		}
+
+		if ( !_this.noPan ) {
+
+			_this.panCamera();
+
+		}
+
+		_this.object.position.add( _this.target, _eye );
+
+		_this.checkDistances();
+
+		_this.object.lookAt( _this.target );
+
+	};
+
+
 	// listeners
 
 	function keydown( event ) {
@@ -313,8 +342,6 @@ THREE.TrackballControls = function ( object, domElement ) {
 
 		}
 
-		update();
-
 	};
 
 	function mouseup( event ) {
@@ -328,40 +355,6 @@ THREE.TrackballControls = function ( object, domElement ) {
 
 	};
 
-	//
-
-	function update() {
-
-		_eye.copy( _this.object.position ).subSelf( _this.target );
-
-		if ( !_this.noRotate ) {
-
-			_this.rotateCamera();
-
-		}
-		
-		if ( !_this.noZoom ) {
-
-			_this.zoomCamera();
-
-		}
-
-		if ( !_this.noPan ) {
-
-			_this.panCamera();
-
-		}
-
-		_this.object.position.add( _this.target, _eye );
-
-		_this.checkDistances();
-
-		_this.object.lookAt( _this.target );
-
-		_this.dispatchEvent( { type: 'update' } );
-
-	};
-
 	this.domElement.addEventListener( 'contextmenu', function ( event ) { event.preventDefault(); }, false );
 
 	this.domElement.addEventListener( 'mousemove', mousemove, false );
@@ -371,7 +364,4 @@ THREE.TrackballControls = function ( object, domElement ) {
 	window.addEventListener( 'keydown', keydown, false );
 	window.addEventListener( 'keyup', keyup, false );
 
-	// TODO: Clean up the code so this isn't needed.
-	update();
-
-};
+};
\ No newline at end of file

src/extras/controls/TrackballControlsExperimental.js

+/**
+ * @author Eberhard Graether / http://egraether.com/
+ */
+
+THREE.TrackballControls = function ( object, domElement ) {
+
+	THREE.EventTarget.call( this );
+
+	var _this = this,
+	STATE = { NONE : -1, ROTATE : 0, ZOOM : 1, PAN : 2 };
+
+	this.object = object;
+	this.domElement = ( domElement !== undefined ) ? domElement : document;
+
+	// API
+
+	this.enabled = true;
+
+	this.screen = { width: window.innerWidth, height: window.innerHeight, offsetLeft: 0, offsetTop: 0 };
+	this.radius = ( this.screen.width + this.screen.height ) / 4;
+
+	this.rotateSpeed = 1.0;
+	this.zoomSpeed = 1.2;
+	this.panSpeed = 0.3;
+
+	this.noRotate = false;
+	this.noZoom = false;
+	this.noPan = false;
+
+	this.staticMoving = false;
+	this.dynamicDampingFactor = 0.2;
+
+	this.minDistance = 0;
+	this.maxDistance = Infinity;
+
+	this.keys = [ 65 /*A*/, 83 /*S*/, 68 /*D*/ ];
+
+	// internals
+
+	this.target = new THREE.Vector3( 0, 0, 0 );
+
+	var _keyPressed = false,
+	_state = STATE.NONE,
+
+	_eye = new THREE.Vector3(),
+
+	_rotateStart = new THREE.Vector3(),
+	_rotateEnd = new THREE.Vector3(),
+
+	_zoomStart = new THREE.Vector2(),
+	_zoomEnd = new THREE.Vector2(),
+
+	_panStart = new THREE.Vector2(),
+	_panEnd = new THREE.Vector2();
+
+
+	// methods
+
+	this.handleEvent = function ( event ) {
+
+		if ( typeof this[ event.type ] == 'function' ) {
+
+			this[ event.type ]( event );
+
+		}
+
+	};
+
+	this.getMouseOnScreen = function( clientX, clientY ) {
+
+		return new THREE.Vector2(
+			( clientX - _this.screen.offsetLeft ) / _this.radius * 0.5,
+			( clientY - _this.screen.offsetTop ) / _this.radius * 0.5
+		);
+
+	};
+
+	this.getMouseProjectionOnBall = function( clientX, clientY ) {
+
+		var mouseOnBall = new THREE.Vector3(
+			( clientX - _this.screen.width * 0.5 - _this.screen.offsetLeft ) / _this.radius,
+			( _this.screen.height * 0.5 + _this.screen.offsetTop - clientY ) / _this.radius,
+			0.0
+		);
+
+		var length = mouseOnBall.length();
+
+		if ( length > 1.0 ) {
+
+			mouseOnBall.normalize();
+
+		} else {
+
+			mouseOnBall.z = Math.sqrt( 1.0 - length * length );
+
+		}
+
+		_eye.copy( _this.object.position ).subSelf( _this.target );
+
+		var projection = _this.object.up.clone().setLength( mouseOnBall.y );
+		projection.addSelf( _this.object.up.clone().crossSelf( _eye ).setLength( mouseOnBall.x ) );
+		projection.addSelf( _eye.setLength( mouseOnBall.z ) );
+
+		return projection;
+
+	};
+
+	this.rotateCamera = function() {
+
+		var angle = Math.acos( _rotateStart.dot( _rotateEnd ) / _rotateStart.length() / _rotateEnd.length() );
+
+		if ( angle ) {
+
+			var axis = ( new THREE.Vector3() ).cross( _rotateStart, _rotateEnd ).normalize(),
+				quaternion = new THREE.Quaternion();
+
+			angle *= _this.rotateSpeed;
+
+			quaternion.setFromAxisAngle( axis, -angle );
+
+			quaternion.multiplyVector3( _eye );
+			quaternion.multiplyVector3( _this.object.up );
+
+			quaternion.multiplyVector3( _rotateEnd );
+
+			if ( _this.staticMoving ) {
+
+				_rotateStart = _rotateEnd;
+
+			} else {
+
+				quaternion.setFromAxisAngle( axis, angle * ( _this.dynamicDampingFactor - 1.0 ) );
+				quaternion.multiplyVector3( _rotateStart );
+
+			}
+
+		}
+
+	};
+
+	this.zoomCamera = function() {
+
+		var factor = 1.0 + ( _zoomEnd.y - _zoomStart.y ) * _this.zoomSpeed;
+
+		if ( factor !== 1.0 && factor > 0.0 ) {
+
+			_eye.multiplyScalar( factor );
+
+			if ( _this.staticMoving ) {
+
+				_zoomStart = _zoomEnd;
+
+			} else {
+
+				_zoomStart.y += ( _zoomEnd.y - _zoomStart.y ) * this.dynamicDampingFactor;
+
+			}
+
+		}
+
+	};
+
+	this.panCamera = function() {
+
+		var mouseChange = _panEnd.clone().subSelf( _panStart );
+
+		if ( mouseChange.lengthSq() ) {
+
+			mouseChange.multiplyScalar( _eye.length() * _this.panSpeed );
+
+			var pan = _eye.clone().crossSelf( _this.object.up ).setLength( mouseChange.x );
+			pan.addSelf( _this.object.up.clone().setLength( mouseChange.y ) );
+
+			_this.object.position.addSelf( pan );
+			_this.target.addSelf( pan );
+
+			if ( _this.staticMoving ) {
+
+				_panStart = _panEnd;
+
+			} else {
+
+				_panStart.addSelf( mouseChange.sub( _panEnd, _panStart ).multiplyScalar( _this.dynamicDampingFactor ) );
+
+			}
+
+		}
+
+	};
+
+	this.checkDistances = function() {
+
+		if ( !_this.noZoom || !_this.noPan ) {
+
+			if ( _this.object.position.lengthSq() > _this.maxDistance * _this.maxDistance ) {
+
+				_this.object.position.setLength( _this.maxDistance );
+
+			}
+
+			if ( _eye.lengthSq() < _this.minDistance * _this.minDistance ) {
+
+				_this.object.position.add( _this.target, _eye.setLength( _this.minDistance ) );
+
+			}
+
+		}
+
+	};
+
+	// listeners
+
+	function keydown( event ) {
+
+		if ( ! _this.enabled ) return;
+
+		if ( _state !== STATE.NONE ) {
+
+			return;
+
+		} else if ( event.keyCode === _this.keys[ STATE.ROTATE ] && !_this.noRotate ) {
+
+			_state = STATE.ROTATE;
+
+		} else if ( event.keyCode === _this.keys[ STATE.ZOOM ] && !_this.noZoom ) {
+
+			_state = STATE.ZOOM;
+
+		} else if ( event.keyCode === _this.keys[ STATE.PAN ] && !_this.noPan ) {
+
+			_state = STATE.PAN;
+
+		}
+
+		if ( _state !== STATE.NONE ) {
+
+			_keyPressed = true;
+
+		}
+
+	};
+
+	function keyup( event ) {
+
+		if ( ! _this.enabled ) return;
+
+		if ( _state !== STATE.NONE ) {
+
+			_state = STATE.NONE;
+
+		}
+
+	};
+
+	function mousedown( event ) {
+
+		if ( ! _this.enabled ) return;
+
+		event.preventDefault();
+		event.stopPropagation();
+
+		if ( _state === STATE.NONE ) {
+
+			_state = event.button;
+
+			if ( _state === STATE.ROTATE && !_this.noRotate ) {
+
+				_rotateStart = _rotateEnd = _this.getMouseProjectionOnBall( event.clientX, event.clientY );
+
+			} else if ( _state === STATE.ZOOM && !_this.noZoom ) {
+
+				_zoomStart = _zoomEnd = _this.getMouseOnScreen( event.clientX, event.clientY );
+
+			} else if ( !this.noPan ) {
+
+				_panStart = _panEnd = _this.getMouseOnScreen( event.clientX, event.clientY );
+
+			}
+
+		}
+
+	};
+
+	function mousemove( event ) {
+
+		if ( ! _this.enabled ) return;
+
+		if ( _keyPressed ) {
+
+			_rotateStart = _rotateEnd = _this.getMouseProjectionOnBall( event.clientX, event.clientY );
+			_zoomStart = _zoomEnd = _this.getMouseOnScreen( event.clientX, event.clientY );
+			_panStart = _panEnd = _this.getMouseOnScreen( event.clientX, event.clientY );
+
+			_keyPressed = false;
+
+		}
+
+		if ( _state === STATE.NONE ) {
+
+			return;
+
+		} else if ( _state === STATE.ROTATE && !_this.noRotate ) {
+
+			_rotateEnd = _this.getMouseProjectionOnBall( event.clientX, event.clientY );
+
+		} else if ( _state === STATE.ZOOM && !_this.noZoom ) {
+
+			_zoomEnd = _this.getMouseOnScreen( event.clientX, event.clientY );
+
+		} else if ( _state === STATE.PAN && !_this.noPan ) {
+
+			_panEnd = _this.getMouseOnScreen( event.clientX, event.clientY );
+
+		}
+
+		update();
+
+	};
+
+	function mouseup( event ) {
+
+		if ( ! _this.enabled ) return;
+
+		event.preventDefault();
+		event.stopPropagation();
+
+		_state = STATE.NONE;
+
+	};
+
+	//
+
+	function update() {
+
+		_eye.copy( _this.object.position ).subSelf( _this.target );
+
+		if ( !_this.noRotate ) {
+
+			_this.rotateCamera();
+
+		}
+
+		if ( !_this.noZoom ) {
+
+			_this.zoomCamera();
+
+		}
+
+		if ( !_this.noPan ) {
+
+			_this.panCamera();
+
+		}
+
+		_this.object.position.add( _this.target, _eye );
+
+		_this.checkDistances();
+
+		_this.object.lookAt( _this.target );
+
+		_this.dispatchEvent( { type: 'update' } );
+
+	};
+
+	this.domElement.addEventListener( 'contextmenu', function ( event ) { event.preventDefault(); }, false );
+
+	this.domElement.addEventListener( 'mousemove', mousemove, false );
+	this.domElement.addEventListener( 'mousedown', mousedown, false );
+	this.domElement.addEventListener( 'mouseup', mouseup, false );
+
+	window.addEventListener( 'keydown', keydown, false );
+	window.addEventListener( 'keyup', keyup, false );
+
+	// TODO: Clean up the code so this isn't needed.
+	update();
+
+};