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Added Roll Camera and example

Mikael Emtinger 14 роки тому
батько
коміт
147961f4b5
3 змінених файлів з 395 додано та 0 видалено
  1. 238 0
      examples/misc_rollCamera.html
  2. 156 0
      src/extras/cameras/RollCamera.js
  3. 1 0
      utils/build.py

+ 238 - 0
examples/misc_rollCamera.html

@@ -0,0 +1,238 @@
+<!DOCTYPE HTML>
+<html lang="en">
+	<head>
+		<title>three.js - webgl - roll camera example</title>
+		<meta charset="utf-8">
+		<style type="text/css">
+		    body {
+			color: #000;
+			font-family:Monospace;
+			font-size:13px;
+			text-align:center;
+			font-weight: bold;
+
+			background-color: #fff;
+			margin: 0px;
+			overflow: hidden;
+		    }
+
+		    #info {
+					color:#000;
+			position: absolute;
+			top: 0px; width: 100%;
+			padding: 5px;
+
+		    }
+
+		    a { color: red; }
+
+		</style>
+	</head>
+
+	<body>
+		<div id="container"></div>
+		<div id="info">
+			<a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - roll camera example -</br>W/S forward/backward</br>A/D to roll</br>Mouse to look around 
+		</div>
+
+		<script type="text/javascript" src="../build/Three.js"></script>
+		<script type="text/javascript" src="js/Stats.js"></script>
+
+		<script type="text/javascript">
+		
+			var statsEnabled = true;
+
+			var container, stats;
+
+			var camera, scene, renderer;
+
+			var cross;
+
+			var mouseX = 0, mouseY = 0;
+
+			var windowHalfX = window.innerWidth / 2;
+			var windowHalfY = window.innerHeight / 2;
+
+			var doRoll = false, rollDirection = 1, forwardSpeed = 0;
+
+			document.addEventListener( 'mousemove', onDocumentMouseMove, false );
+			document.addEventListener( 'keydown', onKeyDown, false );
+			document.addEventListener( 'keyup', onKeyUp, false );
+
+			init();
+
+			function init() {
+
+				// scene and camera
+
+				scene = new THREE.Scene();
+				camera = new THREE.RollCamera( 60, window.innerWidth / window.innerHeight, 1, 1000 );
+
+
+				// world
+
+				var cube = new THREE.Cube( 20, 60, 20 );
+				
+				cube.vertices[ 0 ].position.multiplyScalar( 0.1 );
+				cube.vertices[ 1 ].position.multiplyScalar( 0.1 );
+				cube.vertices[ 4 ].position.multiplyScalar( 0.1 );
+				cube.vertices[ 5 ].position.multiplyScalar( 0.1 );
+				
+				var material = new THREE.MeshPhongMaterial( { color:0xffffff } );
+
+				for( var i = 0; i < 200; i++ ) {
+					
+					var mesh = new THREE.Mesh( cube, material );
+					mesh.position.set(( Math.random() - 0.5 ) * 1000,
+									  ( Math.random() - 0.5 ) * 1000,
+									  ( Math.random() - 0.5 ) * 1000 );
+									  
+					scene.addChild( mesh );
+					
+				}
+
+
+				// create cross
+
+				cross = new THREE.Object3D();
+				cross.scale.set( 0.5, 0.5, 0.5 );
+				cross.matrixAutoUpdate = false;
+
+				var material = new THREE.MeshPhongMaterial( { color:0xff0000 } );
+				var mesh = new THREE.Mesh( new THREE.Cube( 40, 5, 5 ), material );
+				mesh.position.x = 20;
+				cross.addChild( mesh );
+
+				var material = new THREE.MeshPhongMaterial( { color:0x00ff00 } );
+				var mesh = new THREE.Mesh( new THREE.Cube( 5, 40, 5 ), material );
+				mesh.position.y = 20;
+				cross.addChild( mesh );
+
+				var material = new THREE.MeshPhongMaterial( { color:0x0000ff } );
+				var mesh = new THREE.Mesh( new THREE.Cube( 5, 5, 40 ), material );
+				mesh.position.z = 20;
+				cross.addChild( mesh );
+				
+				//camera.addChild( cross );
+				scene.addChild( camera );
+
+
+				// lights				
+
+				light = new THREE.DirectionalLight( 0xfffff );
+				light.position.set( 1, 1, 1 );
+				scene.addChild( light );
+
+				light = new THREE.DirectionalLight( 0xff0000 );
+				light.position.set( -1, -1, -1 );
+				scene.addChild( light );
+
+				light = new THREE.AmbientLight( 0x666666 );
+				scene.addChild( light );
+
+
+				// renderer
+
+				renderer = new THREE.WebGLRenderer( { antialias: false } );
+				renderer.setClearColorHex( 0xffffff, 1 );
+				renderer.setSize( window.innerWidth, window.innerHeight );
+
+				container = document.getElementById( 'container' );
+				container.appendChild( renderer.domElement );
+
+				if ( statsEnabled ) {
+
+					stats = new Stats();
+					stats.domElement.style.position = 'absolute';
+					stats.domElement.style.top = '0px';
+					stats.domElement.style.zIndex = 100;
+					container.appendChild( stats.domElement );
+
+				}
+
+				setInterval( loop, 1000 / 60 );
+			}
+
+
+			function loop() {
+
+				camera.rotateHorizontally( mouseX * 0.05 );
+				camera.rotateVertically( mouseY * 0.05 );
+				camera.translateZ( forwardSpeed )
+
+				if( doRoll ) {
+					
+					camera.roll += 0.01 * rollDirection;
+				}
+
+				cross.matrix.copy( camera.matrix );
+				cross.matrix.n14 = 0;
+				cross.matrix.n24 = 0;
+				cross.matrix.n34 = -200;
+				cross.matrixWorldNeedsUpdate = true;
+
+				renderer.render( scene, camera );
+
+				if ( statsEnabled ) stats.update();
+
+			}
+
+
+			function onKeyDown( event ) {
+		
+				switch( event.keyCode ) {
+		
+					case 38: /*up*/
+					case 87: /*W*/ forwardSpeed = 1; break;
+		
+					case 37: /*left*/
+					case 65: /*A*/ doRoll = true; rollDirection = 1; break;
+		
+					case 40: /*down*/
+					case 83: /*S*/ forwardSpeed = -1; break;
+		
+					case 39: /*right*/
+					case 68: /*D*/ doRoll = true; rollDirection = -1; break;
+		
+				}
+		
+			}
+		
+			function onKeyUp( event ) {
+		
+				switch( event.keyCode ) {
+		
+					case 38: /*up*/
+					case 87: /*W*/ forwardSpeed = 0; break;
+		
+					case 37: /*left*/
+					case 65: /*A*/ doRoll = false; break;
+		
+					case 40: /*down*/
+					case 83: /*S*/ forwardSpeed = 0; break;
+		
+					case 39: /*right*/
+					case 68: /*D*/ doRoll = false; break;
+		
+				}
+		
+			}
+
+			function onDocumentMouseMove(event) {
+
+				mouseX = ( event.clientX - windowHalfX ) / window.innerWidth;
+				mouseY = ( event.clientY - windowHalfY ) / window.innerHeight;
+
+			}
+
+
+			function log( text ) {
+
+				var e = document.getElementById("log");
+				e.innerHTML = text + "<br/>" + e.innerHTML;
+
+			}
+		</script>
+
+	</body>
+</html>

+ 156 - 0
src/extras/cameras/RollCamera.js

@@ -0,0 +1,156 @@
+/**
+ * @author mikael emtinger / http://gomo.se/
+ *
+ * parameters = {
+ *  fov: <float>,
+ *  aspect: <float>,
+ *  near: <float>,
+ *  far: <float>,
+ *  target: <THREE.Object3D>,
+
+ *  movementSpeed: <float>,
+ *  lookSpeed: <float>,
+ *  rollSpeed: <float>,
+
+ *  autoForward: <bool>,
+
+
+ *  domElement: <HTMLElement>,
+ * }
+ */
+
+THREE.RollCamera = function ( fov, aspect, near, far ) {
+
+	THREE.Camera.call( this, fov, aspect, near, far );
+
+	this.forward = new THREE.Vector3( 0, 0, 1 );
+	this.roll = 0;
+	this.useTarget = false;
+	this.matrixAutoUpdate = false;
+
+	var xTemp = new THREE.Vector3();
+	var yTemp = new THREE.Vector3();
+	var zTemp = new THREE.Vector3();
+	var rotationMatrix = new THREE.Matrix4();
+	var tempMatrix = new THREE.Matrix4();
+
+
+	// custom update
+
+	this.update = function() {
+	
+		// clamp forward up / down
+		
+		if( this.forward.y > 0.9 ) {
+			
+			this.forward.y = 0.9;
+			this.forward.normalize();
+			
+		} else if( this.forward.y < -0.9 ) {
+			
+			this.forward.y = -0.9;
+			this.forward.normalize();
+			
+		}
+
+
+		// construct rotation matrix
+	
+		zTemp.copy( this.forward );
+		yTemp.set( 0, 1, 0 );
+	
+		xTemp.cross( yTemp, zTemp ).normalize();
+		yTemp.cross( zTemp, xTemp ).normalize();
+	
+		rotationMatrix.n11 = xTemp.x; rotationMatrix.n12 = yTemp.x; rotationMatrix.n13 = zTemp.x;
+		rotationMatrix.n21 = xTemp.y; rotationMatrix.n22 = yTemp.y; rotationMatrix.n23 = zTemp.y;
+		rotationMatrix.n31 = xTemp.z; rotationMatrix.n32 = yTemp.z; rotationMatrix.n33 = zTemp.z;
+		
+		
+		// save position and calculate camera matrix
+		
+	
+		this.matrix.identity();	
+		this.matrix.n11 = Math.cos( this.roll ); this.matrix.n12 = -Math.sin( this.roll );
+		this.matrix.n21 = Math.sin( this.roll ); this.matrix.n22 =  Math.cos( this.roll );
+	
+	
+		// multiply camera with rotation and set 
+	
+		tempMatrix.multiply( rotationMatrix, this.matrix );
+	
+		this.matrix.copy( tempMatrix );
+		this.matrixWorldNeedsUpdate = true;
+	
+		
+		// set position
+	
+		this.matrix.n14 = this.position.x;
+		this.matrix.n24 = this.position.y;
+		this.matrix.n34 = this.position.z;
+	
+		
+		
+		// call supr
+
+		this.supr.update.call( this );
+
+	}
+	
+	this.translateX = function ( distance ) {
+		
+		this.position.x += this.matrix.n11 * distance;
+		this.position.y += this.matrix.n21 * distance;
+		this.position.z += this.matrix.n31 * distance;
+		
+	};
+	
+	this.translateY = function ( distance ) {
+		
+		this.position.x += this.matrix.n12 * distance;
+		this.position.y += this.matrix.n22 * distance;
+		this.position.z += this.matrix.n32 * distance;
+		
+	};
+
+	this.translateZ = function ( distance ) {
+	
+		this.position.x -= this.matrix.n13 * distance;
+		this.position.y -= this.matrix.n23 * distance;
+		this.position.z -= this.matrix.n33 * distance;
+	
+	};
+	
+
+	this.rotateHorizontally = function ( amount ) {
+		
+		// please note that the amount is NOT degrees, but a scale value
+		
+		xTemp.set( this.matrix.n11, this.matrix.n21, this.matrix.n31 );
+		xTemp.multiplyScalar( amount );
+
+		this.forward.subSelf( xTemp );
+		this.forward.normalize();
+	
+	}
+	
+	this.rotateVertically = function ( amount ) {
+		
+		// please note that the amount is NOT degrees, but a scale value
+		
+		yTemp.set( this.matrix.n12, this.matrix.n22, this.matrix.n32 );
+		yTemp.multiplyScalar( amount );
+		
+		this.forward.addSelf( yTemp );
+		this.forward.normalize();
+	
+	}
+
+}
+
+
+THREE.RollCamera.prototype = new THREE.Camera();
+THREE.RollCamera.prototype.constructor = THREE.RollCamera;
+THREE.RollCamera.prototype.supr = THREE.Camera.prototype;
+
+

+ 1 - 0
utils/build.py

@@ -91,6 +91,7 @@ EXTRAS_FILES = [
 'extras/cameras/QuakeCamera.js',
 'extras/cameras/QuakeCamera.js',
 'extras/cameras/PathCamera.js',
 'extras/cameras/PathCamera.js',
 'extras/cameras/FlyCamera.js',
 'extras/cameras/FlyCamera.js',
+'extras/cameras/RollCamera.js',
 'extras/geometries/Cube.js',
 'extras/geometries/Cube.js',
 'extras/geometries/Cylinder.js',
 'extras/geometries/Cylinder.js',
 'extras/geometries/Icosahedron.js',
 'extras/geometries/Icosahedron.js',