Added example of animated textured character exported from Blender.

2026-08-09 04:56:01 +10:00 · 2011-11-23 23:25:29 +01:00
parent cd33824929
commit 457be13975
4 changed files with 302 additions and 0 deletions
@@ -0,0 +1,232 @@
+<!doctype html>
+<html lang="en">
+	<head>
+		<title>three.js webgl - collada - blender</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 {
+				font-family: Monospace;
+				background-color: #000000;
+				margin: 0px;
+				overflow: hidden;
+			}
+		</style>
+	</head>
+	<body>
+		<script src="../build/Three.js"></script>
+
+		<script src="js/Detector.js"></script>
+		<script src="js/RequestAnimationFrame.js"></script>
+		<script src="js/Stats.js"></script>
+
+		<script>
+
+			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
+
+			var container, stats;
+
+			var camera, scene, renderer, objects;
+			var particleLight, pointLight;
+			var dae, skin;
+
+			var clock = new THREE.Clock();
+			var morphs = [];
+
+			// Collada model
+
+			var loader = new THREE.ColladaLoader();
+			loader.options.convertUpAxis = true;
+			loader.load( 'models/monster.dae', function colladaReady( collada ) {
+
+				dae = collada.scene;
+				skin = collada.skins[ 0 ];
+
+				dae.scale.x = dae.scale.y = dae.scale.z = 0.002;
+				dae.position.x = -1;
+				dae.updateMatrix();
+
+				init();
+				animate();
+
+			} );
+
+			function init() {
+
+				container = document.createElement( 'div' );
+				document.body.appendChild( container );
+
+				camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 2000 );
+				camera.position.set( 2, 4, 5 );
+
+				scene = new THREE.Scene();
+
+				scene.fog = new THREE.FogExp2( 0x000000, 0.035 );
+
+
+				// Add Blender exported Collada model
+
+				var loader = new THREE.JSONLoader();
+				loader.load( "models/animated/monster/monster.js", function ( geometry ) {
+
+					// adjust color a bit
+
+					var material = geometry.materials[ 0 ];
+					material.morphTargets = true;
+					material.color.setHex( 0xffaaaa );
+					material.ambient.setHex( 0x222222 );
+
+					var faceMaterial = new THREE.MeshFaceMaterial();
+
+					for ( var i = 0; i < 729; i ++ ) {
+
+						// random placement in a grid
+
+						var x = ( ( i % 27 )  - 13.5 ) * 2 + THREE.Math.randFloatSpread( 1 );
+						var z = ( Math.floor( i / 27 ) - 13.5 ) * 2 + THREE.Math.randFloatSpread( 1 );
+
+						// leave space for big monster
+
+						if ( Math.abs( x ) < 2 && Math.abs( z ) < 2 ) continue;
+
+						morph = new THREE.MorphAnimMesh( geometry, faceMaterial );
+
+						// one second duration
+
+						morph.duration = 1000;
+
+						// random animation offset
+
+						morph.time = 1000 * Math.random();
+
+						var s = THREE.Math.randFloat( 0.00075, 0.001 );
+						morph.scale.set( s, s, s );
+
+						morph.position.set( x, 0, z );
+						morph.rotation.y = THREE.Math.randFloat( -0.25, 0.25 );
+
+						morph.matrixAutoUpdate = false;
+						morph.updateMatrix();
+
+						scene.add( morph );
+
+						morphs.push( morph );
+
+					}
+
+				} );
+
+
+				// Add the COLLADA
+
+				scene.add( dae );
+
+				// Lights
+
+				scene.add( new THREE.AmbientLight( 0xcccccc ) );
+
+				pointLight = new THREE.PointLight( 0xff4400, 2, 60 );
+				pointLight.position.set( 5, 0, 0 );
+				scene.add( pointLight );
+
+				// Renderer
+
+				renderer = new THREE.WebGLRenderer();
+				renderer.setSize( window.innerWidth, window.innerHeight );
+
+				container.appendChild( renderer.domElement );
+
+				// Stats
+
+				stats = new Stats();
+				stats.domElement.style.position = 'absolute';
+				stats.domElement.style.top = '0px';
+				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 );
+
+			}
+
+			//
+
+			function onWindowResize( event ) {
+
+				renderer.setSize( window.innerWidth, window.innerHeight );
+
+				camera.aspect = window.innerWidth / window.innerHeight;
+				camera.updateProjectionMatrix();
+
+			}
+
+			//
+
+			var t = 0;
+			function animate() {
+
+				requestAnimationFrame( animate );
+
+				// animate Collada model
+
+				if ( t > 30 ) t = 0;
+
+				if ( skin ) {
+
+					// guess this can be done smarter...
+
+					// (Indeed, there are way more frames than needed and interpolation is not used at all
+					//  could be something like - one morph per each skinning pose keyframe, or even less,
+					//  animation could be resampled, morphing interpolation handles sparse keyframes quite well.
+					//  Simple animation cycles like this look ok with 10-15 frames instead of 100 ;)
+
+					for ( var i = 0; i < skin.morphTargetInfluences.length; i++ ) {
+
+						skin.morphTargetInfluences[ i ] = 0;
+
+					}
+
+					skin.morphTargetInfluences[ Math.floor( t ) ] = 1;
+
+					t += 0.5;
+
+				}
+
+				// animate morphs
+
+				var delta = clock.getDelta();
+
+				if ( morphs.length ) {
+
+					for ( var i = 0; i < morphs.length; i ++ )
+						morphs[ i ].updateAnimation( 1000 * delta );
+
+
+				}
+
+				render();
+				stats.update();
+
+			}
+
+			function render() {
+
+				var timer = Date.now() * 0.0005;
+
+				camera.position.x = Math.cos( timer ) * 10;
+				camera.position.y = 4;
+				camera.position.z = Math.sin( timer ) * 10;
+
+				camera.lookAt( scene.position );
+
+				renderer.render( scene, camera );
+
+			}
+
+		</script>
+	</body>
+</html>