From d8c3c92fc9cd2a7511f2d66cc100006914674382 Mon Sep 17 00:00:00 2001
From: alteredq <postfilter@gmail.com>
Date: Thu, 2 Jun 2011 02:41:47 +0200
Subject: [PATCH] Added dynamic particles demo.

---
 examples/webgl_particles_dynamic.html | 640 ++++++++++++++++++++++++++
 1 file changed, 640 insertions(+)
 create mode 100644 examples/webgl_particles_dynamic.html
diff --git a/examples/webgl_particles_dynamic.html b/examples/webgl_particles_dynamic.html
new file mode 100644
index 0000000000..929c0f6173
--- /dev/null
+++ b/examples/webgl_particles_dynamic.html
@@ -0,0 +1,640 @@
+<!DOCTYPE HTML>
+<html lang="en">
+    <head>
+        <title>three.js webgl - particles - dynamic - postprocessing</title>
+        <meta charset="utf-8">
+        <style type="text/css">
+            body {
+                color: #fff;
+                font-family:Monospace;
+                font-size:13px;
+                text-align:center;
+                font-weight: bold;
+
+                background-color: #000;
+                margin: 0px;
+                overflow: hidden;
+            }
+
+            #info {
+				color:#fff;
+                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> - webgl dynamic particles + postprocessing
+			- models by <a href="http://sketchup.google.com/3dwarehouse/details?mid=2c6fd128fca34052adc5f5b98d513da1" target="_blank">Reallusion</a>
+			<a href="http://sketchup.google.com/3dwarehouse/details?mid=f526cc4abf7cb68d76cab47c765b7255" target="_blank">iClone</a>,
+			<a href="http://artist-3d.com/free_3d_models/dnm/model_disp.php?uid=1129" target="_blank">Troyano</a>
+
+		</div>
+
+        <script type="text/javascript" src="../build/Three.js"></script>
+		
+        <script type="text/javascript" src="js/Stats.js"></script>
+        <script type="text/javascript" src="js/Detector.js"></script>
+		<script type="text/javascript" src="js/RequestAnimationFrame.js"></script>
+
+        <script type="text/javascript">
+			
+			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
+
+			var SCREEN_HEIGHT = window.innerHeight;
+			var SCREEN_WIDTH = window.innerWidth;
+
+            var container, stats;
+
+            var camera, scene, renderer, mesh, directionalLight;
+			
+			var parent,
+				meshes = [], clonemeshes = [];			
+			
+			var p;
+			
+			var aloader, bloader;
+			
+			var total = 0, totaln = 0;
+
+			var postprocessing1 = {};
+			var postprocessing2 = {};
+
+            init();
+            animate();
+			
+            function init() {
+
+                container = document.getElementById( 'container' );
+
+				camera = new THREE.Camera( 20, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 50000 );
+				camera.position.z = 7000;
+				camera.position.y = 700;
+
+                scene = new THREE.Scene();
+
+				scene.fog = new THREE.FogExp2( 0x000104, 0.0000675 );
+				
+				directionalLight = new THREE.DirectionalLight( 0xffffff );
+				directionalLight.position.set( 0, 0, 1 );
+				directionalLight.position.normalize();
+				scene.addLight( directionalLight );
+
+				initPostprocessingBloom( postprocessing1 );
+				initPostprocessingFocus( postprocessing2 );
+
+				aloader = new THREE.JSONLoader( );
+				bloader = new THREE.BinaryLoader( true );
+
+				document.body.appendChild( bloader.statusDomElement );
+				
+				aloader.load( { model: "obj/terrain.js", callback: function( geometry ) { 
+						
+					createMesh( geometry, scene, 16.8, -11000, -200,  -5000, 0x00ff44, false );
+					createMesh( geometry, scene, 16.8,  11000, -200, -15000, 0x00ff33, false );
+					createMesh( geometry, scene, 16.8,      0, -200, -15000, 0x00ff33, false );
+					createMesh( geometry, scene, 16.8,      0, -200,  15000, 0x00ff33, false );
+					createMesh( geometry, scene, 16.8,  11000, -200,  15000, 0x00ff22, false );
+					createMesh( geometry, scene, 16.8, -11000, -200,   5000, 0x00ff11, false );
+					createMesh( geometry, scene, 16.8,  13000, -200,   5000, 0x00ff55, false );
+					createMesh( geometry, scene, 16.8,  13000, -200,  -5000, 0x00ff66, false );
+						
+				} } );
+				
+				bloader.load( { model: "obj/veyron/VeyronNoUv_bin.js", callback: function( geometry ) { createMesh( geometry, scene, 6.8, 2200, -200, -100, 0x0055ff, false ) } } );
+				
+				bloader.load( { model: "obj/female02/Female02_bin.js", callback: function( geometry ) { 
+				
+					createMesh( geometry, scene, 4.05, -1000, -350,    0, 0xffdd44, true );
+					createMesh( geometry, scene, 4.05,     0, -350,    0, 0xffffff, true );
+					createMesh( geometry, scene, 4.05,  1000, -350,  400, 0xff4422, true );
+					createMesh( geometry, scene, 4.05,   250, -350, 1500, 0xff9955, true );
+					createMesh( geometry, scene, 4.05,   250, -350, 2500, 0xff77dd, true );
+					
+				} } );
+				
+				bloader.load( { model: "obj/male02/Male02_bin.js", callback: function( geometry ) { 
+				
+					createMesh( geometry, scene, 4.05,  -500, -350,   600, 0xff7744, true );
+					createMesh( geometry, scene, 4.05,   500, -350,     0, 0xff5522, true );
+					createMesh( geometry, scene, 4.05,  -250, -350,  1500, 0xff9922, true );
+					createMesh( geometry, scene, 4.05,  -250, -350, -1500, 0xff99ff, true );
+					
+				} } );
+				
+                renderer = new THREE.WebGLRenderer( { clearColor: 0x000000, clearAlpha: 1, antialias: false } );
+				renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
+				renderer.autoClear = false;
+				renderer.sortObjects = false;
+                container.appendChild( renderer.domElement );
+				
+				renderer.setClearColor( scene.fog.color, 1 );
+				
+                stats = new Stats();
+                stats.domElement.style.position = 'absolute';
+                stats.domElement.style.top = '0px';
+                //container.appendChild( stats.domElement );
+				
+				parent = new THREE.Object3D();
+				scene.addObject( parent );
+
+				var grid = new THREE.ParticleSystem( new THREE.Plane( 15000, 15000, 64, 64 ), new THREE.ParticleBasicMaterial( { color: 0xff0000, size: 10 } ) );
+				grid.rotation.x = 1.57;
+				grid.position.y = -400;
+				parent.addChild( grid );
+				
+				totaln += 1;
+				total += grid.geometry.vertices.length;
+
+            }
+
+			function createMesh( originalGeometry, scene, scale, x, y, z, color, dynamic ) {
+
+				var i, c;
+
+				var vertices = originalGeometry.vertices;
+				var vl = vertices.length;
+
+				var geometry = new THREE.Geometry();
+				var vertices_tmp = [];
+				
+				for( i = 0; i < vl; i++ ) {
+				
+					p = vertices[ i ].position;
+					
+					geometry.vertices[ i ] = new THREE.Vertex( p.clone() );
+					vertices_tmp[ i ] = [ p.x, p.y, p.z, 0, 0 ];
+
+				}
+
+				var clones = [
+								[  6000, 0, -4000 ], 
+								[  5000, 0, 0 ], 
+								[  1000, 0, 5000 ],
+								[  1000, 0, -5000 ],
+								[  4000, 0, 2000 ], 
+								[ -4000, 0, 1000 ], 
+								[ -5000, 0, -5000 ], 
+
+								[ 0, 0, 0 ]
+
+							  ];
+				
+				if ( dynamic ) {
+					
+					for( i = 0; i < clones.length; i++ ) {
+					
+						c = ( i < clones.length -1 ) ? 0x252525 : color;
+
+						mesh = new THREE.ParticleSystem( geometry, new THREE.ParticleBasicMaterial( { size: 3, color: c } ) );
+						mesh.scale.x = mesh.scale.y = mesh.scale.z = scale;
+						
+						mesh.position.x = x + clones[ i ][ 0 ];
+						mesh.position.y = y + clones[ i ][ 1 ];
+						mesh.position.z = z + clones[ i ][ 2 ];
+						
+						parent.addChild( mesh );
+						
+						clonemeshes.push( { mesh: mesh, speed: 0.5 + Math.random() } );
+						
+					}
+					
+					totaln += clones.length;
+					total += clones.length * vl;
+				
+				} else {
+				
+					mesh = new THREE.ParticleSystem( geometry, new THREE.ParticleBasicMaterial( { size: 3, color: color } ) );
+					mesh.scale.x = mesh.scale.y = mesh.scale.z = scale;
+					
+					mesh.position.x = x;
+					mesh.position.y = y;
+					mesh.position.z = z;
+					
+					parent.addChild( mesh );
+					
+					totaln += 1;
+					total += vl;
+
+				}
+
+				bloader.statusDomElement.style.display = "none";
+				
+				meshes.push( { mesh: mesh, vertices: geometry.vertices, vertices_tmp: vertices_tmp, vl: vl,
+							  down: 0, up: 0, direction: 0, speed: 35, delay: Math.floor( 200 + 200 * Math.random() ),
+							  started: false, start: Math.floor( 100 + 200 * Math.random() ),
+							  dynamic: dynamic,
+							  bb: geometry.boundingBox } );
+
+				console.log( total, totaln );
+
+			}
+
+			function initPostprocessingFocus( effect ) {
+				
+				effect.type = "focus";
+				
+				effect.scene = new THREE.Scene();
+				
+				effect.camera = new THREE.Camera();
+				effect.camera.projectionMatrix = THREE.Matrix4.makeOrtho( SCREEN_WIDTH / - 2, SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2, SCREEN_HEIGHT / - 2, -10000, 10000 );
+				effect.camera.position.z = 100;
+				
+				effect.texture = new THREE.WebGLRenderTarget( SCREEN_WIDTH, SCREEN_HEIGHT, { minFilter: THREE.LinearFilter, magFilter: THREE.NearestFilter, format: THREE.RGBFormat } );
+				
+				var heatUniforms = {
+
+					"map": { type: "t", value:0, texture: effect.texture },
+					"screenWidth": { type: "f", value: SCREEN_WIDTH },
+					"screenHeight": { type: "f", value: SCREEN_HEIGHT },
+					"sampleDistance": { type: "f", value: 0.94 },
+					"waveFactor": { type: "f", value: 0.00125 }
+
+				};
+
+				effect.materialHeat = new THREE.MeshShaderMaterial( {
+
+					uniforms: heatUniforms,
+					vertexShader: [
+
+						"varying vec2 vUv;",
+
+						"void main() {",
+
+							"vUv = vec2( uv.x, 1.0 - uv.y );",
+							"gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );",
+
+						"}"
+
+					].join("\n"),
+					
+					fragmentShader: [
+
+							"uniform float screenWidth;",
+							"uniform float screenHeight;",
+							"uniform float sampleDistance;",
+							"uniform float waveFactor;",
+							
+							"uniform sampler2D map;",
+							"varying vec2 vUv;",
+				
+							"void main() {",
+
+								"vec4 color, org, tmp, add;",
+								"float sample_dist, f;",
+								"vec2 vin;",				
+								"vec2 uv = vUv;",
+								
+								"add += color = org = texture2D( map, uv );",
+
+								"vin = ( uv - vec2( 0.5 ) ) * vec2( 1.4 );",
+								"sample_dist = dot( vin, vin ) * 2.0;",
+								
+								"f = ( waveFactor * 100.0 + sample_dist ) * sampleDistance * 4.0;",
+				
+								"vec2 sampleSize = vec2(  1.0 / screenWidth, 1.0 / screenHeight ) * vec2(f);",
+				
+								"add += tmp = texture2D( map, uv + vec2(0.111964, 0.993712) * sampleSize );", 
+								"if( tmp.b < color.b ) color = tmp;",
+				
+								"add += tmp = texture2D( map, uv + vec2(0.846724, 0.532032) * sampleSize );",
+								"if( tmp.b < color.b ) color = tmp;",
+				
+								"add += tmp = texture2D( map, uv + vec2(0.943883, -0.330279) * sampleSize );",
+								"if( tmp.b < color.b ) color = tmp;",
+				
+								"add += tmp = texture2D( map, uv + vec2(0.330279, -0.943883) * sampleSize );",
+								"if( tmp.b < color.b ) color = tmp;",
+				
+								"add += tmp = texture2D( map, uv + vec2(-0.532032, -0.846724) * sampleSize );",
+								"if( tmp.b < color.b ) color = tmp;",
+				
+								"add += tmp = texture2D( map, uv + vec2(-0.993712, -0.111964) * sampleSize );",
+								"if( tmp.b < color.b ) color = tmp;",
+				
+								"add += tmp = texture2D( map, uv + vec2(-0.707107, 0.707107) * sampleSize );",
+								"if( tmp.b < color.b ) color = tmp;",
+
+								"color = color * vec4( 2.0 ) - ( add / vec4( 8.0 ) );",
+								"color = color + ( add / vec4(8.0) - color ) * ( vec4(1.0) - vec4(sample_dist * 0.5) );",
+
+								"gl_FragColor = vec4( color.rgb * color.rgb * vec3( 0.95 ) + color.rgb, 1.0 );",								
+								
+							"}"
+
+
+						].join("\n")
+
+				} );
+				
+				effect.quad = new THREE.Mesh( new THREE.Plane( SCREEN_WIDTH, SCREEN_HEIGHT ), effect.materialHeat );
+				effect.quad.position.z = -500;
+				effect.scene.addObject( effect.quad );
+
+			}
+
+			function initPostprocessingBloom( effect ) {
+
+				effect.type = "bloomnoise";
+				
+				effect.scene = new THREE.Scene();
+
+				effect.camera = new THREE.Camera();
+				effect.camera.projectionMatrix = THREE.Matrix4.makeOrtho( SCREEN_WIDTH / - 2, SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2, SCREEN_HEIGHT / - 2, -10000, 10000 );
+				effect.camera.position.z = 100;
+
+				var pars = { minFilter: THREE.LinearFilter, magFilter: THREE.LinearFilter, format: THREE.RGBFormat };
+				
+				effect.rtTexture1 = new THREE.WebGLRenderTarget( SCREEN_WIDTH, SCREEN_HEIGHT, pars );
+				effect.rtTexture2 = new THREE.WebGLRenderTarget( 256, 512, pars );
+				effect.rtTexture3 = new THREE.WebGLRenderTarget( 512, 256, pars );
+				
+				var screen_shader = THREE.ShaderUtils.lib["screen"];
+				var screen_uniforms = THREE.UniformsUtils.clone( screen_shader.uniforms );
+
+				screen_uniforms["tDiffuse"].texture = effect.rtTexture3;
+				screen_uniforms["opacity"].value = 0.75;
+
+				effect.materialScreen = new THREE.MeshShaderMaterial( {
+
+					uniforms: screen_uniforms,
+					vertexShader: screen_shader.vertexShader,
+					fragmentShader: screen_shader.fragmentShader,
+					blending: THREE.AdditiveBlending,
+					transparent: true
+
+				} );
+
+				var convolution_shader = THREE.ShaderUtils.lib["convolution"];
+				var convolution_uniforms = THREE.UniformsUtils.clone( convolution_shader.uniforms );
+
+				effect.blurx = new THREE.Vector2( 0.001953125, 0.0 ),
+				effect.blury = new THREE.Vector2( 0.0, 0.001953125 );
+
+				convolution_uniforms["tDiffuse"].texture = effect.rtTexture1;
+				convolution_uniforms["uImageIncrement"].value = effect.blurx;
+				convolution_uniforms["cKernel"].value = THREE.ShaderUtils.buildKernel( 4.0 );
+
+				effect.materialConvolution = new THREE.MeshShaderMaterial( {
+
+					uniforms: convolution_uniforms,
+					vertexShader:   "#define KERNEL_SIZE 25.0\n" + convolution_shader.vertexShader,
+					fragmentShader: "#define KERNEL_SIZE 25\n"   + convolution_shader.fragmentShader
+
+				} );
+
+				var film_shader = THREE.ShaderUtils.lib["film"];
+				var film_uniforms = THREE.UniformsUtils.clone( film_shader.uniforms );
+				
+				film_uniforms["tDiffuse"].texture = effect.rtTexture1;
+				
+				effect.materialFilm = new THREE.MeshShaderMaterial( { uniforms: film_uniforms, vertexShader: film_shader.vertexShader, fragmentShader: film_shader.fragmentShader } );
+				effect.materialFilm.uniforms.grayscale.value = 0;
+				effect.materialFilm.uniforms.nIntensity.value = 0.5;
+				effect.materialFilm.uniforms.sIntensity.value = 0.5;
+				effect.materialFilm.uniforms.sCount.value = 1448;
+
+				effect.quad = new THREE.Mesh( new THREE.Plane( SCREEN_WIDTH, SCREEN_HEIGHT ), effect.materialConvolution );
+				effect.quad.position.z = -500;
+				effect.scene.addObject( effect.quad );
+
+			}
+
+			var j, jl, cm, data, vertices, vertices_tmp, vl, d, vt,
+				time, oldTime, delta;
+			
+			function animate() {
+
+				requestAnimationFrame( animate );
+
+				render();
+				//stats.update();
+
+			}
+			
+            function render() {
+
+				if ( ! oldTime ) {
+
+					oldTime = new Date().getTime();
+					
+				}
+					
+				time = new Date().getTime();				
+
+				delta = 0.01 * ( time - oldTime );
+				oldTime = time;
+				
+				delta = delta < 2 ? delta : 2;
+				
+				parent.rotation.y += -0.02 * delta;
+				
+				for( j = 0, jl = clonemeshes.length; j < jl; j++ ) {
+				
+					cm = clonemeshes[ j ];
+					cm.mesh.rotation.y += -0.1 * delta * cm.speed;
+					
+				}
+				
+				for( j = 0, jl = meshes.length; j < jl; j++ ) {				
+
+					data = meshes[ j ];
+					mesh = data.mesh;
+					vertices = data.vertices;
+					vertices_tmp = data.vertices_tmp;
+					vl = data.vl;
+
+					if ( ! data.dynamic ) continue;
+					
+					if ( data.start > 0 ) {
+					
+						data.start -= 1;
+
+					} else {
+					
+						if ( !data.started ) {
+
+							data.direction = -1;
+							data.started = true;
+							
+						}
+
+					}
+
+					for ( i = 0; i < vl; i ++ ) {
+
+						p = vertices[ i ].position;
+						vt = vertices_tmp[ i ];
+
+						// falling down
+						
+						if ( data.direction < 0 ) {
+
+							// var d = Math.abs( p.x - vertices_tmp[ i ][ 0 ] ) + Math.abs( p.y - vertices_tmp[ i ][ 1 ] ) + Math.abs( p.z - vertices_tmp[ i ][ 2 ] );
+							// if ( d < 200 ) {
+
+							if ( p.y > 0 ) {
+
+								// p.y += data.direction * data.speed * delta;
+
+								p.x += 1.5 * ( 0.50 - Math.random() ) * data.speed * delta;
+								p.y += 3.0 * ( 0.25 - Math.random() ) * data.speed * delta;
+								p.z += 1.5 * ( 0.50 - Math.random() ) * data.speed * delta;
+
+							} else {
+							
+								if ( ! vt[ 3 ] ) {
+								
+									vt[ 3 ] = 1;
+									data.down += 1;
+									
+								}
+								
+							}
+							
+						}
+						
+						// rising up 
+						
+						if ( data.direction > 0 ) {
+							
+							//if ( p.y < vertices_tmp[ i ][ 1 ] ) {
+							
+							//	p.y += data.direction * data.speed * delta;
+							
+							d = Math.abs( p.x - vt[ 0 ] ) + Math.abs( p.y - vt[ 1 ] ) + Math.abs( p.z - vt[ 2 ] );
+							
+							if ( d > 1 ) {
+							
+								p.x += - ( p.x - vt[ 0 ] ) / d * data.speed * delta * ( 0.85 - Math.random() );
+								p.y += - ( p.y - vt[ 1 ] ) / d * data.speed * delta * ( 1 + Math.random() );
+								p.z += - ( p.z - vt[ 2 ] ) / d * data.speed * delta * ( 0.85 - Math.random() );
+							
+							} else {
+						
+								if ( ! vt[ 4 ] ) {
+								
+									vt[ 4 ] = 1;
+									data.up += 1;
+									
+								}
+								
+							}
+							
+						}						
+						
+
+					}
+					
+					// all down
+					
+					if ( data.down == vl ) {
+						
+						if ( data.delay == 0 ) {
+						
+							data.direction = 1;
+							data.speed = 10;
+							data.down = 0;
+							data.delay = 320;
+							
+							for ( i = 0; i < vl; i ++ ) {
+							
+								vertices_tmp[ i ][ 3 ] = 0;
+								
+							}
+							
+						} else {
+						
+							data.delay -= 1;
+							
+						}
+						
+						
+					}
+					
+					// all up
+					
+					if ( data.up == vl ) {
+						
+						if ( data.delay == 0 ) {
+							
+							data.direction = -1;
+							data.speed = 35;
+							data.up = 0;
+							data.delay = 120;
+
+							for ( i = 0; i < vl; i ++ ) {
+							
+								vertices_tmp[ i ][ 4 ] = 0;
+								
+							}
+
+						} else {
+						
+							data.delay -= 1;
+							
+						}
+
+
+					}
+					
+					mesh.geometry.__dirtyVertices = true;
+
+				}
+
+				renderer.clear();
+
+				// BLOOM
+
+				// Render scene into texture
+
+				renderer.render( scene, camera, postprocessing1.rtTexture1, true );
+
+				// Render quad with blured scene into texture (convolution pass 1)
+
+				postprocessing1.quad.materials[ 0 ] = postprocessing1.materialConvolution;
+
+				postprocessing1.materialConvolution.uniforms.tDiffuse.texture = postprocessing1.rtTexture1;
+				postprocessing1.materialConvolution.uniforms.uImageIncrement.value = postprocessing1.blurx;
+
+				renderer.render( postprocessing1.scene, postprocessing1.camera, postprocessing1.rtTexture2, true );
+
+				// Render quad with blured scene into texture (convolution pass 2)
+
+				postprocessing1.materialConvolution.uniforms.tDiffuse.texture = postprocessing1.rtTexture2;
+				postprocessing1.materialConvolution.uniforms.uImageIncrement.value = postprocessing1.blury;
+
+				renderer.render( postprocessing1.scene, postprocessing1.camera, postprocessing1.rtTexture3, true );
+
+				// Render original scene with superimposed blur to texture
+
+				postprocessing1.quad.materials[ 0 ] = postprocessing1.materialScreen;
+
+				renderer.render( postprocessing1.scene, postprocessing1.camera, postprocessing1.rtTexture1, false );
+
+
+				// NOISE + SCANLINES
+				
+				postprocessing1.materialFilm.uniforms.time.value += 0.01;
+				postprocessing1.quad.materials[ 0 ] = postprocessing1.materialFilm;
+
+				renderer.render( postprocessing1.scene, postprocessing1.camera, postprocessing2.texture, true );
+
+				// FOCUS				
+
+				renderer.render( postprocessing2.scene, postprocessing2.camera );
+
+            }
+
+        </script>
+
+    </body>
+</html>
-- 
GitLab

