javascript
/
three.js
réplica de https://github.com/tazdij/three.js.git


			
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - skinning + morphing [knight]</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<style>
			body {
				color: #000;
				font-family:Monospace;
				font-size:13px;
				text-align:center;

				background-color: #fff;
				margin: 0px;
				overflow: hidden;
			}

			#info {
				position: absolute;
				top: 0px; width: 100%;
				padding: 5px;
			}

			#meminfo {
				margin-top: 8px;
				font-size: 10px;
				display: none;
			}

			a {
				color: #0af;
			}
		</style>
	</head>

	<body>

		<div id="container"></div>

		<div id="info">
		<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> webgl - clip system
		- knight by <a href="https://vimeo.com/36113323" target="_blank" rel="noopener">apendua</a>
			<div id="meminfo"></div>
		</div>

		<script src="../build/three.js"></script>

		<script src="js/libs/stats.min.js"></script>
		<script src="js/libs/dat.gui.min.js"></script>

		<script>

			var SCREEN_WIDTH = window.innerWidth;
			var SCREEN_HEIGHT = window.innerHeight;
			var FLOOR = -250;

			var container,stats;

			var camera, scene;
			var renderer;

			var mesh, mesh2, helper;

			var mixer, facesClip, bonesClip;

			var mouseX = 0, mouseY = 0;

			var windowHalfX = window.innerWidth / 2;
			var windowHalfY = window.innerHeight / 2;

			var clock = new THREE.Clock();

			var domMemInfo = document.getElementById( 'meminfo' ),
				showMemInfo = false;

			document.addEventListener( 'mousemove', onDocumentMouseMove, false );

			init();
			animate();

			function init() {

				container = document.getElementById( 'container' );

				camera = new THREE.PerspectiveCamera( 30, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 10000 );
				camera.position.z = 2200;

				scene = new THREE.Scene();
				scene.background = new THREE.Color( 0xffffff );
				scene.fog = new THREE.Fog( 0xffffff, 2000, 10000 );

				scene.add( camera );

				// GROUND

				var geometry = new THREE.PlaneBufferGeometry( 16000, 16000 );
				var material = new THREE.MeshPhongMaterial( { emissive: 0x888888 } );

				var ground = new THREE.Mesh( geometry, material );
				ground.position.set( 0, FLOOR, 0 );
				ground.rotation.x = -Math.PI/2;
				scene.add( ground );

				ground.receiveShadow = true;


				// LIGHTS

				scene.add( new THREE.HemisphereLight( 0x111111, 0x444444 ) );

				var light = new THREE.DirectionalLight( 0xebf3ff, 1.5 );
				light.position.set( 0, 140, 500 ).multiplyScalar( 1.1 );
				scene.add( light );

				light.castShadow = true;

				light.shadow.mapSize.width = 1024;
				light.shadow.mapSize.height = 1024;

				var d = 390;

				light.shadow.camera.left = -d;
				light.shadow.camera.right = d;
				light.shadow.camera.top = d * 1.5;
				light.shadow.camera.bottom = -d;

				light.shadow.camera.far = 3500;

				// RENDERER

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
				renderer.domElement.style.position = "relative";

				container.appendChild( renderer.domElement );

				renderer.gammaInput = true;
				renderer.gammaOutput = true;

				renderer.shadowMap.enabled = true;


				// STATS

				stats = new Stats();
				container.appendChild( stats.dom );

				//

				var loader = new THREE.JSONLoader();
				loader.load( "models/skinned/knight.js", function ( geometry, materials ) {

					createScene( geometry, materials, 0, FLOOR, -300, 60 );

					// GUI

					initGUI();

				} );

				//

				window.addEventListener( 'resize', onWindowResize, false );

			}

			function onWindowResize() {

				windowHalfX = window.innerWidth / 2;
				windowHalfY = window.innerHeight / 2;

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			}

			function createScene( geometry, materials, x, y, z, s ) {

				geometry.computeBoundingBox();
				var bb = geometry.boundingBox;

				for ( var i = 0; i < materials.length; i ++ ) {

					var m = materials[ i ];
					m.skinning = true;
					m.morphTargets = true;

					m.specular.setHSL( 0, 0, 0.1 );
					m.color.setHSL( 0.6, 0, 0.6 );

				}

				mesh = new THREE.SkinnedMesh( geometry, materials );
				mesh.name = "Knight Mesh";
				mesh.position.set( x, y - bb.min.y * s, z );
				mesh.scale.set( s, s, s );
				scene.add( mesh );

				mesh.castShadow = true;
				mesh.receiveShadow = true;


				mesh2 = new THREE.SkinnedMesh( geometry, materials );
				mesh2.name = "Lil' Bro Mesh";
				mesh2.position.set( x - 240, y - bb.min.y * s, z + 500 );
				mesh2.scale.set( s / 2, s / 2, s / 2 );
				mesh2.rotation.y = THREE.Math.degToRad( 60 );

				mesh2.visible = false;

				mesh2.castShadow = true;
				mesh2.receiveShadow = true;
				scene.add( mesh2 );

				helper = new THREE.SkeletonHelper( mesh );
				helper.visible = false;
				scene.add( helper );

				mixer = new THREE.AnimationMixer( mesh );

				bonesClip = geometry.animations[0];
				facesClip = THREE.AnimationClip.CreateFromMorphTargetSequence( 'facialExpressions', mesh.geometry.morphTargets, 3 );

			}

			function initGUI() {

				var API = {
					'show model'    	: true,
					'show skeleton'		: false,
					'show 2nd model'	: false,
					'show mem. info'	: false
				};

				var gui = new dat.GUI();

				gui.add( API, 'show model' ).onChange( function() {
						mesh.visible = API[ 'show model' ];
				} );

				gui.add( API, 'show skeleton' ).onChange( function() {
						helper.visible = API[ 'show skeleton' ];
				} );

				gui.add( API, 'show 2nd model' ).onChange( function() {
						mesh2.visible = API[ 'show 2nd model' ];
				} );


				gui.add( API, 'show mem. info' ).onChange( function() {

					showMemInfo = API[ 'show mem. info' ];
					domMemInfo.style.display = showMemInfo ? 'block' : 'none';

				} );

				// utility function used for drop-down options lists in the GUI
				var objectNames = function( objects ) {

					var result = [];

					for ( var i = 0, n = objects.length; i !== n; ++ i ) {

						var obj = objects[ i ];
						result.push( obj && obj.name || '&lt;null&gt;' );

					}

					return result;

				};


				// creates gui folder with tests / examples for the action API
				var clipControl = function clipControl( gui, mixer, clip, rootObjects ) {

					var folder = gui.addFolder( "Clip '" + clip.name + "'" ),

						rootNames = objectNames( rootObjects ),
						rootName = rootNames[ 0 ],
						root = rootObjects[ 0 ],

						action = null,

						API = {

							'play()': function play() {

								action = mixer.clipAction( clip, root );
								action.play();

							},

							'stop()': function() {

								action = mixer.clipAction( clip, root );
								action.stop();

							},

							'reset()': function() {

								action = mixer.clipAction( clip, root );
								action.reset();

							},

							get 'time ='() {

								return action !== null ? action.time : 0;

							},

							set 'time ='( value ) {

								action = mixer.clipAction( clip, root );
								action.time = value;

							},

							get 'paused ='() {

								return action !== null && action.paused;

							},

							set 'paused ='( value ) {

								action = mixer.clipAction( clip, root );
								action.paused = value;

							},

							get 'enabled ='() {

								return action !== null && action.enabled;

							},

							set 'enabled ='( value ) {

								action = mixer.clipAction( clip, root );
								action.enabled = value;

							},

							get 'clamp ='() {

								return action !== null ? action.clampWhenFinished : false;

							},

							set 'clamp ='( value ) {

								action = mixer.clipAction( clip, root );
								action.clampWhenFinished = value;

							},

							get 'isRunning() ='() {

								return action !== null && action.isRunning();

							},

							set 'isRunning() ='( value ) {

								alert( "Read only - this is the result of a method." );

							},

							'play delayed': function() {

								action = mixer.clipAction( clip, root );
								action.startAt( mixer.time + 0.5 ).play();

							},

							get 'weight ='() {

								return action !== null ? action.weight : 1;

							},

							set 'weight ='( value ) {

								action = mixer.clipAction( clip, root );
								action.weight = value;

							},

							get 'eff. weight'() {

								return action !== null ? action.getEffectiveWeight() : 1;

							},

							set 'eff. weight'( value ) {

								action = mixer.clipAction( clip, root );
								action.setEffectiveWeight( value );

							},

							'fade in': function() {

								action = mixer.clipAction( clip, root );
								action.reset().fadeIn( 0.25 ).play();

							},

							'fade out': function() {

								action = mixer.clipAction( clip, root );
								action.fadeOut( 0.25 ).play();

							},

							get 'timeScale ='() {

								return ( action !== null ) ? action.timeScale : 1;

							},

							set 'timeScale ='( value ) {

								action = mixer.clipAction( clip, root );
								action.timeScale = value;

							},

							get 'eff.T.Scale'() {

								return ( action !== null ) ? action.getEffectiveTimeScale() : 1;

							},

							set 'eff.T.Scale'( value ) {

								action = mixer.clipAction( clip, root );
								action.setEffectiveTimeScale( value );

							},

							'time warp': function() {

								action = mixer.clipAction( clip, root );
								var timeScaleNow = action.getEffectiveTimeScale();
								var destTimeScale = timeScaleNow > 0 ? -1 : 1;
								action.warp( timeScaleNow, destTimeScale, 4 ).play();

							},

							get 'loop mode'() {

								return action !== null ? action.loop : THREE.LoopRepeat;

							},

							set 'loop mode'( value ) {

								action = mixer.clipAction( clip, root );
								action.loop = + value;

							},

							get 'repetitions'() {

								return action !== null ? action.repetitions : Infinity;

							},

							set 'repetitions'( value ) {

								action = mixer.clipAction( clip, root );
								action.repetitions = + value;

							},

							get 'local root'() { return rootName; },

							set 'local root'( value ) {

								rootName = value;
								root = rootObjects[ rootNames.indexOf( rootName ) ];
								action = mixer.clipAction( clip, root );

							}

						};

					folder.add( API, 'play()' );
					folder.add( API, 'stop()' );
					folder.add( API, 'reset()' );
					folder.add( API, 'time =', 0, clip.duration ).listen();
					folder.add( API, 'paused =' ).listen();
					folder.add( API, 'enabled =' ).listen();
					folder.add( API, 'clamp =' );
					folder.add( API, 'isRunning() =').listen();
					folder.add( API, 'play delayed' );
					folder.add( API, 'weight =', 0, 1 ).listen();
					folder.add( API, 'eff. weight', 0, 1 ).listen();
					folder.add( API, 'fade in' );
					folder.add( API, 'fade out' );
					folder.add( API, 'timeScale =', -2, 2).listen();
					folder.add( API, 'eff.T.Scale', -2, 2).listen();
					folder.add( API, 'time warp' );
					folder.add( API, 'loop mode', {
						"LoopOnce": THREE.LoopOnce,
						"LoopRepeat": THREE.LoopRepeat,
						"LoopPingPong": THREE.LoopPingPong
					} );
					folder.add( API, 'repetitions', 0, Infinity );
					folder.add( API, 'local root', rootNames );

					API[ 'play()' ]();

				}; // function clipControl

				// one folder per clip
				clipControl( gui, mixer, bonesClip, [ null, mesh, mesh2 ] );
				clipControl( gui, mixer, facesClip, [ null, mesh, mesh2 ] );

				var memoryControl = function( gui, mixer, clips, rootObjects ) {

					var clipNames = objectNames( clips ),
						rootNames = objectNames( rootObjects );

					var folder = gui.addFolder( "Memory Management" ),

						clipName 	= clipNames[ 0 ],
						clip 		= clips[ 0 ],

						rootName 	= rootNames[ 0 ],
						root		= rootObjects[ 0 ],

						API = {

							get 'clip'() { return clipName; },

							set 'clip'( value ) {

								clipName = value;
								clip = clips[ clipNames.indexOf( clipName ) ];

							},

							get 'root'() { return rootName; },

							set 'root'( value ) {

								rootName = value;
								root = rootObjects[ rootNames.indexOf( rootName ) ];

							},

							'uncache clip': function() {

								mixer.uncacheClip( clip );

							},

							'uncache root': function() {

								mixer.uncacheRoot( root );

							},

							'uncache action': function() {

								mixer.uncacheAction( clip, root );

							}

						};

					folder.add( API, 'clip', clipNames );
					folder.add( API, 'root', rootNames );
					folder.add( API, 'uncache root' );
					folder.add( API, 'uncache clip' );
					folder.add( API, 'uncache action' );

				};

				memoryControl( gui, mixer,
						[ bonesClip, facesClip ], [ mesh, mesh2 ] );


			}

			function onDocumentMouseMove( event ) {

				mouseX = ( event.clientX - windowHalfX );
				mouseY = ( event.clientY - windowHalfY );

			}

			//

			function animate() {

				requestAnimationFrame( animate );

				stats.begin();
				render();
				stats.end();

				if ( showMemInfo ) {

					var s = mixer.stats,
						ciS = s.controlInterpolants;

					domMemInfo.innerHTML =
							s.actions.inUse + " / " + s.actions.total + " actions " +
							s.bindings.inUse + " / " + s.bindings.total + " bindings " +
							ciS.inUse + " / " + ciS.total + " control interpolants";

				}

			}

			function render() {

				var delta = 0.75 * clock.getDelta();

				camera.position.x += ( mouseX - camera.position.x ) * .05;
				camera.position.y = THREE.Math.clamp( camera.position.y + ( - mouseY - camera.position.y ) * .05, 0, 1000 );

				camera.lookAt( scene.position );

				if( mixer ) {

					mixer.update( delta );

				}

				renderer.render( scene, camera );

			}

		</script>

	</body>
</html>