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="refs/dat.gui.min.js"></script>
	<script src="refs/babylon.max.js"></script>
	<script src="../dist/babylon.fireProceduralTexture.js"></script>
	<script src="../dist/babylon.woodProceduralTexture.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="index.js"></script>
    <script src="add/addFirePT.js"></script>
    <script src="add/addWoodPT.js"></script>
	<script>
		if (BABYLON.Engine.isSupported()) {
			var canvas = document.getElementById("renderCanvas");
			var engine = new BABYLON.Engine(canvas, true);
			var divFps = document.getElementById("fps");

			var 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("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", "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.diffuseTexture = new BABYLON.Texture("textures/amiga.jpg", scene);
				std.diffuseTexture.uScale = 5;
				std.diffuseTexture.vScale = 5;

                // Fire Procedural Texture
                var firePT = addFirePT();
				var fireMaterial =  new BABYLON.StandardMaterial("fire", scene);
				fireMaterial.diffuseTexture = firePT;
				
				// Wood Procedural Texture
                var woodPT = addWoodPT();
				var woodMaterial =  new BABYLON.StandardMaterial("wood", scene);
				woodMaterial.diffuseTexture = woodPT;
								
				// Default to std
				var currentMaterial = std;
				sphere.material = std;				
				sphere.receiveShadows = true;

				gui.add(options, 'material', ['none','fire', 'wood']).onFinishChange(function () {
					switch (options.material) {
						case "fire":
							currentMaterial = fireMaterial;
							break;
						case "wood":
							currentMaterial = woodMaterial;
							break;
						case "none":
						default:
							currentMaterial = std;
							break;
					}

					currentMesh.material = currentMaterial;
					window.enableMaterial(options.material);
				});

				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 = currentMaterial;
					
					water.mesh = currentMesh;
				});

				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>