zhangyupeng
/
Babylon.js


			
				
					
						
						
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							<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">

<head>
	<title>Procedural textures Library</title>
	<script src="../assets/refs/dat.gui.min.js"></script>
	<script src="../tools/DevLoader/BabylonLoader.js"></script>

	<style>
		html,
		body {
			width: 100%;
			height: 100%;
			padding: 0;
			margin: 0;
			overflow: hidden;
		}
		
		#renderCanvas {
			width: 100%;
			height: 100%;
		}
		
		#fps {
			position: absolute;
			background-color: black;
			border: 2px solid red;
			text-align: center;
			font-size: 16px;
			color: white;
			top: 15px;
			left: 10px;
			width: 60px;
			height: 20px;
		}
	</style>
</head>

<body>
	<div id="fps">0</div>
	<canvas id="renderCanvas"></canvas>

	<script src="test/index.js"></script>
	<script src="test/addCloudPT.js"></script>
	<script src="test/addFirePT.js"></script>
	<script src="test/addWoodPT.js"></script>
	<script src="test/addGrassPT.js"></script>
	<script src="test/addRoadPT.js"></script>
	<script src="test/addBrickPT.js"></script>
	<script src="test/addMarblePT.js"></script>
	<script src="test/addStarfieldPT.js"></script>
	<script>
		BABYLONDEVTOOLS.Loader.load(function() {
		if (BABYLON.Engine.isSupported()) {
			var canvas = document.getElementById("renderCanvas");
			var engine = new BABYLON.Engine(canvas, true);
			var divFps = document.getElementById("fps");

			scene = new BABYLON.Scene(engine);

			var camera = new BABYLON.ArcRotateCamera("Camera", Math.PI / 2, Math.PI / 6, 50, BABYLON.Vector3.Zero(), scene);
			camera.attachControl(canvas, true);

			// Lights
			var hemisphericLight = new BABYLON.HemisphericLight("hemi", new BABYLON.Vector3(0, 1, 0), scene);
			var pointLight = new BABYLON.PointLight("point", new BABYLON.Vector3(20, 20, 10), scene);
			pointLight.setEnabled(false);
			var directionalLight = new BABYLON.DirectionalLight("directional", new BABYLON.Vector3(0,-1, 0), scene);
			directionalLight.setEnabled(false);
			var spotLight = new BABYLON.SpotLight("spot", new BABYLON.Vector3(0, -30, 0), new BABYLON.Vector3(0, 1, 0), 1.1, 1, scene);
			spotLight.setEnabled(false);

			// Create meshes
			var sphere = BABYLON.Mesh.CreateSphere("sphere", 32, 30.0, scene);
			
			var plane = BABYLON.MeshBuilder.CreateBox("plane", { width: 30, height: 1, depth:30 }, scene);
			plane.setEnabled(false);
			
			var ground = BABYLON.Mesh.CreateGround("ground", 512, 512, 32, scene, false);
			ground.scaling = new BABYLON.Vector3(0.1, 0.1, 0.1);
			ground.setEnabled(false);
			
			var knot = BABYLON.Mesh.CreateTorusKnot("knot", 10, 3, 128, 64, 2, 3, scene);
			knot.setEnabled(false);
			
			// Skybox
			var skybox = BABYLON.Mesh.CreateBox("skyBox", 1000.0, scene);
			var skyboxMaterial = new BABYLON.StandardMaterial("skyBox", scene);
			skyboxMaterial.backFaceCulling = false;
			skyboxMaterial.reflectionTexture = new BABYLON.CubeTexture("../assets/textures/skybox/TropicalSunnyDay", scene);
			skyboxMaterial.reflectionTexture.coordinatesMode = BABYLON.Texture.SKYBOX_MODE;
			skyboxMaterial.diffuseColor = new BABYLON.Color3(0, 0, 0);
			skyboxMaterial.specularColor = new BABYLON.Color3(0, 0, 0);
			skyboxMaterial.disableLighting = true;
			skybox.material = skyboxMaterial;
			skybox.setEnabled(false);

			var currentMesh = sphere;

			// Rabbit
			var rabbit;
			BABYLON.SceneLoader.ImportMesh("Rabbit", "../assets/meshes/", "Rabbit.babylon", scene, function (newMeshes, particleSystems, skeletons) {
				rabbit = newMeshes[1];
				rabbit.setEnabled(false);
				rabbit.scaling = new BABYLON.Vector3(0.3, 0.3, 0.3);
				scene.beginAnimation(skeletons[0], 0, 100, true, 0.8);

				// Shadow caster
				var shadowCaster = BABYLON.Mesh.CreateTorus("torus", 4, 2, 30, scene, false);
				shadowCaster.setEnabled(false);
				shadowCaster.position = new BABYLON.Vector3(0, 30, 0);
				
				var shadowCaster2 = BABYLON.Mesh.CreateTorus("torus", 4, 2, 30, scene, false);
				shadowCaster2.setEnabled(false);
				shadowCaster2.position = new BABYLON.Vector3(0, -30, 0);
				
				var shadowCaster3 = BABYLON.Mesh.CreateTorus("torus", 4, 2, 30, scene, false);
				shadowCaster3.setEnabled(false);
				shadowCaster3.position = new BABYLON.Vector3(20, 20, 10);

				var shadowGenerator = new BABYLON.ShadowGenerator(1024, directionalLight);
				shadowGenerator.getShadowMap().renderList.push(shadowCaster);
				shadowGenerator.usePoissonSampling = true;
				
				var shadowGenerator2 = new BABYLON.ShadowGenerator(1024, spotLight);
				shadowGenerator2.getShadowMap().renderList.push(shadowCaster2);
				shadowGenerator2.usePoissonSampling = true;
				
				var shadowGenerator3 = new BABYLON.ShadowGenerator(1024, pointLight);
				shadowGenerator3.getShadowMap().renderList.push(shadowCaster3);
				shadowGenerator3.usePoissonSampling = true;

				// Register a render loop to repeatedly render the scene
				engine.runRenderLoop(function () {
					scene.render();
					divFps.innerHTML = engine.getFps().toFixed() + " fps";

					shadowCaster.rotation.x += 0.01;
					shadowCaster.rotation.y += 0.01;

					shadowCaster2.rotation.x += 0.01;
					shadowCaster2.rotation.y += 0.01;

					shadowCaster3.rotation.x += 0.01;
					shadowCaster3.rotation.y += 0.01;
				});

				// Resize
				window.addEventListener("resize", function () {
					engine.resize();
				});

				// Fog
				scene.fogMode = BABYLON.Scene.FOGMODE_NONE;
				scene.fogDensity = 0.01;
				
				// Create shaders
				var std = new BABYLON.StandardMaterial("std", scene);
				std.specularColor = new BABYLON.Color3(0, 0, 0);
				
				var diffuseTexture = new BABYLON.Texture("../assets/textures/amiga.jpg", scene);
				diffuseTexture.uScale = 5;
				diffuseTexture.vScale = 5;

                // Fire Procedural Texture
                var firePT = addFirePT();
				
				// Wood Procedural Texture
                var woodPT = addWoodPT();
				
				// Cloud Procedural Texture
                var cloudPT = addCloudPT();
				
				// Grass Procedural Texture
                var grassPT = addGrassPT();
				
				// Road Procedural Texture
                var roadPT = addRoadPT();
				
				// Brick Procedural Texture
                var brickPT = addBrickPT();
				
				// Marble Procedural Texture
                var marblePT = addMarblePT();
				
				// Starfield Procedural Texture
                var starfieldPT = addStarfieldPT();
								
				// Default to std
				var currentTexture = diffuseTexture;
				sphere.material = std;				
				sphere.receiveShadows = true;
				std.diffuseTexture = currentTexture;
	
				//placeholder for current texture options			
				var currentPTOptions = gui.addFolder('Texture Options');
				var PTOptions = [];
				
				dat.GUI.prototype.removeFolder = function(name) {
					var folder = this.__folders[name];
					if (!folder) {
						return;
					}
					folder.close();
					this.__ul.removeChild(folder.domElement.parentNode);
					delete this.__folders[name];
					this.onResize();
				}
				
				var resetPTOptions = function() {
					
					//empty options
					while(PTOptions.length > 0){
						var option = PTOptions.pop()
						if(option.optionType === "Folder"){
							currentPTOptions.removeFolder(option.optionValue);
						}
						else {
							currentPTOptions.remove(option.optionValue);
						}
					}
				}
				
				var addFloatSubOption = function(guiElement, field, propertyName, proxy, initvalue){
					proxy[propertyName] = initvalue;
					guiElement.add(proxy, propertyName).onChange(function () {
						try {
							var xvalue = parseFloat(proxy[propertyName]);
							eval('field.' + propertyName + ' = xvalue');
						} catch (e) {
							
						}
					});	
				}
				
				var addPToptions = function(pt, fieldNames){
					for(var fieldid = 0; fieldid < fieldNames.length; fieldid++){
						var field = fieldNames[fieldid]
						var added = {};
						if(typeof pt[field] != 'object' && pt[field] != 'undefined') {
							added.optionType = "Value";
							added.optionValue = currentPTOptions.add(pt, fieldNames[fieldid]);
						}
						else {
							var proxy = {};
							
							if(pt[field] instanceof BABYLON.Vector2){
								added.optionType = 'Folder';
								added.optionValue = field + ' ('+  pt[field].constructor.name +')';
								var folder = currentPTOptions.addFolder(added.optionValue);
								addFloatSubOption(folder, pt[field], 'x', proxy, pt[field].x);
								addFloatSubOption(folder, pt[field], 'y', proxy, pt[field].y);
							}
							
							else if(pt[field] instanceof BABYLON.Vector3){
								added.optionType = 'Folder';
								added.optionValue = field + ' ('+  pt[field].constructor.name +')';
								var folder = currentPTOptions.addFolder(added.optionValue);
								addFloatSubOption(folder, pt[field], 'x', proxy, pt[field].x);
								addFloatSubOption(folder, pt[field], 'y', proxy, pt[field].y);								
								addFloatSubOption(folder, pt[field], 'z', proxy, pt[field].z);								
							}
							else if(pt[field] instanceof BABYLON.Vector4){
								added.optionType = 'Folder';
								added.optionValue = field + ' ('+  pt[field].constructor.name +')';
								var folder = currentPTOptions.addFolder(added.optionValue);
								addFloatSubOption(folder, pt[field], 'x', proxy, pt[field].x);
								addFloatSubOption(folder, pt[field], 'y', proxy, pt[field].y);								
								addFloatSubOption(folder, pt[field], 'z', proxy, pt[field].z);									
								addFloatSubOption(folder, pt[field], 'w', proxy, pt[field].w);									
							}
							else if(pt[field] instanceof BABYLON.Color3){
								added.optionType = 'Folder';
								added.optionValue = field + ' ('+  pt[field].constructor.name +')';
								var folder = currentPTOptions.addFolder(added.optionValue);
								addFloatSubOption(folder, pt[field], 'r', proxy, pt[field].r);
								addFloatSubOption(folder, pt[field], 'g', proxy, pt[field].g);								
								addFloatSubOption(folder, pt[field], 'b', proxy, pt[field].b);									
							}
							else if(pt[field] instanceof BABYLON.Color4){
								added.optionType = 'Folder';
								added.optionValue = field + ' ('+  pt[field].constructor.name +')';
								var folder = currentPTOptions.addFolder(added.optionValue);
								addFloatSubOption(folder, pt[field], 'r', proxy, pt[field].r);
								addFloatSubOption(folder, pt[field], 'g', proxy, pt[field].g);								
								addFloatSubOption(folder, pt[field], 'b', proxy, pt[field].b);									
								addFloatSubOption(folder, pt[field], 'a', proxy, pt[field].a);									
							}
							else {
								proxy[field] = 'Object (' + pt[field].constructor.name +')';
								added.optionType = "Value";
								added.optionValue = currentPTOptions.add(proxy, field).onChange(function () {
									try {
										var res = eval(proxy[field]);
										pt[field] = res; 
									} catch (e) { }
								});
							}
						}
						PTOptions.push(added);
					}
				}
				
				gui.add(options, 'texture', ['default', 'fire', 'wood', 'cloud', 'grass', 'road', 'brick', 'marble', 'starfield']).onFinishChange(function () {
					resetPTOptions();
					switch (options.texture) {
						case "fire":
							currentTexture = firePT;
							addPToptions(firePT, ['time', 'alphaThreshold', 'speed', ]);
							break;
						case "wood":
							currentTexture = woodPT;
							addPToptions(woodPT, ['ampScale', 'woodColor']);
							break;
						case "cloud":
							currentTexture = cloudPT;
							addPToptions(cloudPT, ['skyColor', 'cloudColor']);
							break;
						case "grass":
							currentTexture = grassPT;
							addPToptions(grassPT, ['groundColor']);
							break;
						case "road":
							currentTexture = roadPT;
							addPToptions(roadPT, ['roadColor']);
							break;
						case "brick":
							currentTexture = brickPT;
							addPToptions(brickPT, ['numberOfBricksHeight', 'numberOfBricksWidth', 'brickColor', 'jointColor']);
							break;
						case "marble":
							currentTexture = marblePT;
							addPToptions(marblePT, ['numberOfTilesHeight', 'numberOfTilesWidth', 'amplitude', 'jointColor']);
							break;
						case "starfield":
							currentTexture = starfieldPT;
							addPToptions(starfieldPT, ['saturation', 'distfading', 'darkmatter', 'alpha', 'time', 'beta', 'zoom', 'formuparam', 'stepsize', 'tile', 'brightness']);
							break;
						case "none":
						default:
							currentTexture = diffuseTexture;
							break;
					}

					std.diffuseTexture = currentTexture;
					window.enableTexture(options.texture);
				});

				gui.add(options, 'mesh', ['sphere', 'knot', 'plane', 'ground', 'rabbit']).onFinishChange(function () {
					currentMesh.setEnabled(false);
					switch (options.mesh) {
						case "sphere":
							currentMesh = sphere;
							break;
						case "knot":
							currentMesh = knot;
							break;
						case "plane":
							currentMesh = plane;
							break;
						case "ground":
							currentMesh = ground;
							break;
						case "rabbit":
							currentMesh = rabbit;
							break;
					}
					currentMesh.setEnabled(true);
					currentMesh.receiveShadows = true;
					currentMesh.material = std;
				});

				var f1 = gui.addFolder('lights');
				f1.add(options, 'hemisphericLight').onChange(function () {
					hemisphericLight.setEnabled(options.hemisphericLight);
				});

				f1.add(options, 'pointLight').onChange(function () {
					pointLight.setEnabled(options.pointLight);					
					shadowCaster3.setEnabled(options.pointLight && options.castShadows);					
				});
				
				f1.add(options, 'spotLight').onChange(function () {
					spotLight.setEnabled(options.spotLight);
					shadowCaster2.setEnabled(options.spotLight && options.castShadows);
				});

				f1.add(options, 'directionalLight').onChange(function () {
					directionalLight.setEnabled(options.directionalLight);
					shadowCaster.setEnabled(options.directionalLight && options.castShadows);
				});

				f1.add(options, 'castShadows').onChange(function () {
					shadowCaster.setEnabled(options.directionalLight && options.castShadows);
					shadowCaster2.setEnabled(options.spotLight && options.castShadows);	
					shadowCaster3.setEnabled(options.pointLight && options.castShadows);				
				});

				gui.add(options, 'fog').onChange(function () {
					scene.fogMode = options.fog ? BABYLON.Scene.FOGMODE_EXP : BABYLON.Scene.FOGMODE_NONE;
				});
				
				gui.add(options, 'skybox').onChange(function() {
					skybox.setEnabled(options.skybox);
				});
			});
		}
		});
	</script>
</body>

</html>