zhangyupeng
/
Babylon.js


			
				
					
						
						
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							<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
	<title>Shaders Library</title>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/dat-gui/0.6.2/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/addlava.js"></script>
    <script src="test/addnormal.js"></script>
	<script src="test/addwater.js"></script>
	<script src="test/addfur.js"></script>
	<script src="test/addterrain.js"></script>
	<script src="test/addfire.js"></script>
	<script src="test/addtriplanar.js"></script>
	<script src="test/addgradient.js"></script>
	<script src="test/addsky.js"></script>
	<script src="test/addgrid.js"></script>
	<script src="test/addpbr.js"></script>
	<script src="test/addpbrmetallicroughness.js"></script>
	<script src="test/addpbrspecularglossiness.js"></script>
	<script src="test/addCell.js"></script>
	<script src="test/addbackground.js"></script>
	<script src="test/addMix.js"></script>
	
	<script>
    function createEngine(engineName, canvas) {
        if (engineName === "webgpu") {
            const glslangOptions = { 
                jsPath: "../dist/preview%20release/glslang/glslang.js",
                wasmPath: "../dist/preview%20release/glslang/glslang.wasm"
            };

            engine = new BABYLON.WebGPUEngine(canvas, {
                deviceDescriptor: {
                    extensions: [
                        "texture-compression-bc",
                        "timestamp-query",
                        "pipeline-statistics-query",
                        "depth-clamping",
                        "depth24unorm-stencil8",
                        "depth32float-stencil8"
                    ]
                },
                antialiasing: true,
            });
            return new Promise((resolve) => {
                engine.initAsync(glslangOptions).then(() => resolve(engine));
            });
        } else {
            engine = new BABYLON.Engine(canvas, true, { disableWebGL2Support: engineName === "webgl1" ? true : false });
            return Promise.resolve(engine);
        }
    }

	var backgroundSkybox = null;
	BABYLONDEVTOOLS.Loader.load(async function() {
		if (BABYLON.Engine.isSupported()) {
            var url = document.location.href;
            var engineName = options.engine;
            var canvas = document.getElementById("renderCanvas");
            
            var idx = url.indexOf("engine=");
            if (idx >= 0) {
                idx += 7;
                const idx2 = url.substring(idx).search(/\W+/g);
                engineName = url.substring(idx, idx + (idx2 >= 0 ? idx2 : url.length));
            }

            options.engine = engineName;

			var engine = await createEngine(engineName, canvas);
			BABYLONDEVTOOLS.Loader.debugShortcut(engine);

			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(true);
			camera.minZ = 0.1;

			// 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);
			directionalLight.position = new BABYLON.Vector3(0, 50, 0);
			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", 48, 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);
			
			var heightMap = BABYLON.Mesh.CreateGroundFromHeightMap("heightMap", "/Playground/textures/heightMap.png", 100, 100, 100, 0, 10, scene, false);
			heightMap.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("/Playground/textures/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", "/Playground/scenes/", "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;
				shadowGenerator.bias = 0;
				
				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 = false;
				shadowGenerator3.bias = 0;

				// 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("/Playground/textures/amiga.jpg", scene);
				std.diffuseTexture.uScale = 5;
				std.diffuseTexture.vScale = 5;

                var lava = prepareLava();

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

				var normal = prepareNormal();

				var gradient = prepareGradient();
								
				var fur = prepareFur();
				
				var water = prepareWater();
				water.addToRenderList(skybox);
				water.addToRenderList(shadowCaster);
				water.addToRenderList(shadowCaster2);
				water.addToRenderList(shadowCaster3);
				
				var fire = prepareFire();
				
				var terrain = prepareTerrain();

				var pbr = preparePBR();

				var back = prepareBackgroundMaterial();

				var pbrmetallicroughness = preparePBRMetallicRoughness();

				var pbrspecularglossiness = preparePBRSpecularGlossiness();
				
				var triPlanar = prepareTriPlanar();
				
				var sky = prepareSky();

				var grid = prepareGrid();

				var shadowOnly = new BABYLON.ShadowOnlyMaterial();

				var cell = prepareCell();

				var mix = prepareMix();
				
				// Default to std
				var currentMaterial = std;
				sphere.material = std;				
				sphere.receiveShadows = true;

                gui.add(options, 'engine', { 'WebGL 1': 'webgl1', 'WebGL 2': 'webgl2', 'WebGPU': 'webgpu' }).onFinishChange(function () {
                    const newEngine = options.engine;
                    let url = document.location.href;
                    const idx = url.indexOf("engine=");
                    if (idx < 0) {
                        url += "&engine=" + newEngine;
                    } else {
                        url = url.replace(/engine=\w+/g, "engine=" + newEngine);
                    }
                    document.location.href = url;
                });

				gui.add(options, 'material', ['standard', 'simple', 'water', 'fire', 'lava', 'normal', 'terrain', 'pbr', 'pbrmetallicroughness', 'pbrspecularglossiness', 'fur', 'triPlanar', 'gradient', 'sky', 'grid', 'shadowOnly', 'cell', 'background', 'mix']).onFinishChange(function () {
					water.enableRenderTargets(false);
					skybox.material = skyboxMaterial;
					currentMesh.isVisible = true;
					fur.resetFur();
					if (backgroundSkybox) {
						backgroundSkybox.setEnabled(false);
					}
                    
					switch (options.material) {
						case "shadowOnly":
							currentMaterial = shadowOnly;
							break;						
						case "simple":
							currentMaterial = simple;
							break;
						case "water":
							currentMaterial = water;
							water.enableRenderTargets(true);
							skybox.setEnabled(true);
							break;
                        case "fire":
                            currentMaterial = fire;
                            break;
						case "lava":
							currentMaterial = lava;
							break;
						case "normal":
							currentMaterial = normal;
							break;
						case "terrain":
							currentMaterial = terrain;
							break;
						case "pbr":
							currentMaterial = pbr;
							break;
						case "pbrmetallicroughness":
							currentMaterial = pbrmetallicroughness;
							break;
						case "pbrspecularglossiness":
							currentMaterial = pbrspecularglossiness;
							break;
						case "fur":
							currentMaterial = fur.material;
							fur.configureFur(currentMesh);
							break;
						case "triPlanar":
							currentMaterial = triPlanar;
							break;
						case "gradient":
							currentMaterial = gradient;
							break;
						case "sky":
							skybox.setEnabled(true);
							skybox.material = sky;
							break;
                        case "grid":
                            currentMaterial = grid;
                            break;
						case "cell":
							currentMaterial = cell;
							break;
						case "background":
							currentMaterial = back;
							backgroundSkybox.setEnabled(true);
							break;
						case "mix":
							currentMaterial = mix;
							break;
						default:
							currentMaterial = std;
							break;
					}

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

				gui.add(options, 'mesh', ['sphere', 'knot', 'plane', 'ground', 'heightMap', '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 "heightMap":
							currentMesh = heightMap;
							break;
						case "rabbit":
							currentMesh = rabbit;
							break;
					}
					currentMesh.setEnabled(true);
					currentMesh.receiveShadows = true;
					currentMesh.material = currentMaterial;
					
					water.mesh = currentMesh;
					
					if (currentMaterial === fur.material) {
                        // Furify the mesh
						fur.resetFur();
						fur.configureFur(currentMesh);
					}
				});

				var f1 = gui.addFolder('lights');
                f1.add(options, 'lightIntensity').onChange(function() {
                    hemisphericLight.intensity = options.lightIntensity;
                    directionalLight.intensity = options.lightIntensity;
                    pointLight.intensity = options.lightIntensity;
                    spotLight.intensity = options.lightIntensity;
                });

				f1.add(options, 'lightIntensityMode', ['automatic', 'luminousPower', 'luminousIntensity', 'illuminance', 'luminance']).onFinishChange(function() {
					switch (options.lightIntensityMode) {
						case "automatic":
							hemisphericLight.intensityMode = BABYLON.Light.INTENSITYMODE_AUTOMATIC;
							directionalLight.intensityMode = BABYLON.Light.INTENSITYMODE_AUTOMATIC;
							pointLight.intensityMode = BABYLON.Light.INTENSITYMODE_AUTOMATIC;
							spotLight.intensityMode = BABYLON.Light.INTENSITYMODE_AUTOMATIC;
							break;
						case "luminousPower":
							hemisphericLight.intensityMode = BABYLON.Light.INTENSITYMODE_LUMINOUSPOWER;
							directionalLight.intensityMode = BABYLON.Light.INTENSITYMODE_LUMINOUSPOWER;
							pointLight.intensityMode = BABYLON.Light.INTENSITYMODE_LUMINOUSPOWER;
							spotLight.intensityMode = BABYLON.Light.INTENSITYMODE_LUMINOUSPOWER;
							break;
						case "luminousIntensity":
							hemisphericLight.intensityMode = BABYLON.Light.INTENSITYMODE_LUMINOUSINTENSITY;
							directionalLight.intensityMode = BABYLON.Light.INTENSITYMODE_LUMINOUSINTENSITY;
							pointLight.intensityMode = BABYLON.Light.INTENSITYMODE_LUMINOUSINTENSITY;
							spotLight.intensityMode = BABYLON.Light.INTENSITYMODE_LUMINOUSINTENSITY;
							break;
						case "illuminance":
							hemisphericLight.intensityMode = BABYLON.Light.INTENSITYMODE_ILLUMINANCE;
							directionalLight.intensityMode = BABYLON.Light.INTENSITYMODE_ILLUMINANCE;
							pointLight.intensityMode = BABYLON.Light.INTENSITYMODE_ILLUMINANCE;
							spotLight.intensityMode = BABYLON.Light.INTENSITYMODE_ILLUMINANCE;
							break;
						case "luminance":
							hemisphericLight.intensityMode = BABYLON.Light.INTENSITYMODE_LUMINANCE;
							directionalLight.intensityMode = BABYLON.Light.INTENSITYMODE_LUMINANCE;
							pointLight.intensityMode = BABYLON.Light.INTENSITYMODE_LUMINANCE;
							spotLight.intensityMode = BABYLON.Light.INTENSITYMODE_LUMINANCE;
							break;
					}
                });
                
                f1.add(options, 'lightRange').onChange(function() {
                    hemisphericLight.range = options.lightRange;
                    directionalLight.range = options.lightRange;
                    pointLight.range = options.lightRange;
                    spotLight.range = options.lightRange;
                });
                
                f1.add(options, 'lightRadius').onChange(function() {
                    hemisphericLight.radius = options.lightRadius;
                    directionalLight.radius = options.lightRadius;
                    pointLight.radius = options.lightRadius;
                    spotLight.radius = options.lightRadius;
                });
                
				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>