148 lines
5.3 KiB
HTML
148 lines
5.3 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<title>Filament Suzanne</title>
|
|
<meta charset="utf-8">
|
|
<meta name="viewport" content="width=device-width,user-scalable=no,initial-scale=1">
|
|
<link href="favicon.png" rel="icon" type="image/x-icon" />
|
|
<style>
|
|
body { margin: 0; overflow: hidden; }
|
|
canvas { touch-action: none; width: 100%; height: 100%; }
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<canvas></canvas>
|
|
<script src="filament.js"></script>
|
|
<script src="gl-matrix-min.js"></script>
|
|
<script>
|
|
|
|
const env = 'default_env'
|
|
const ibl_url = `${env}/${env}_ibl.ktx`;
|
|
const sky_url = `${env}/${env}_skybox.ktx`;
|
|
const albedo_url = `albedo.ktx2`;
|
|
const ao_url = `ao.ktx2`;
|
|
const metallic_url = `metallic.ktx2`;
|
|
const normal_url = `normal.ktx2`;
|
|
const roughness_url = `roughness.ktx2`;
|
|
const filamat_url = 'textured.filamat';
|
|
const filamesh_url = 'suzanne.filamesh';
|
|
|
|
Filament.init([
|
|
filamat_url,
|
|
filamesh_url,
|
|
albedo_url,
|
|
ao_url,
|
|
metallic_url,
|
|
normal_url,
|
|
roughness_url,
|
|
ibl_url,
|
|
sky_url
|
|
], () => {
|
|
window.AttributeType = Filament.VertexBuffer$AttributeType;
|
|
window.Format = Filament.Texture$InternalFormat;
|
|
window.Fov = Filament.Camera$Fov;
|
|
window.IndexType = Filament.IndexBuffer$IndexType;
|
|
window.LightType = Filament.LightManager$Type;
|
|
window.PrimitiveType = Filament.RenderableManager$PrimitiveType;
|
|
window.VertexAttribute = Filament.VertexAttribute;
|
|
window.app = new App(document.getElementsByTagName('canvas')[0]);
|
|
});
|
|
|
|
class App {
|
|
constructor(canvas) {
|
|
this.canvas = canvas;
|
|
const engine = this.engine = Filament.Engine.create(this.canvas);
|
|
this.scene = engine.createScene();
|
|
|
|
const sunlight = Filament.EntityManager.get().create();
|
|
Filament.LightManager.Builder(LightType.SUN)
|
|
.color([0.98, 0.92, 0.89])
|
|
.intensity(80000.0)
|
|
.direction([0.6, -1.0, -0.8])
|
|
.castShadows(true)
|
|
.sunAngularRadius(1.9)
|
|
.sunHaloSize(10.0)
|
|
.sunHaloFalloff(80.0)
|
|
.build(engine, sunlight);
|
|
this.scene.addEntity(sunlight);
|
|
|
|
const indirectLight = this.ibl = engine.createIblFromKtx1(ibl_url);
|
|
this.scene.setIndirectLight(indirectLight);
|
|
indirectLight.setIntensity(80000);
|
|
|
|
const skybox = engine.createSkyFromKtx1(sky_url);
|
|
this.scene.setSkybox(skybox);
|
|
|
|
const material = engine.createMaterial(filamat_url);
|
|
const matinstance = material.createInstance();
|
|
|
|
const sampler = new Filament.TextureSampler(
|
|
Filament.MinFilter.LINEAR_MIPMAP_LINEAR,
|
|
Filament.MagFilter.LINEAR,
|
|
Filament.WrapMode.CLAMP_TO_EDGE);
|
|
|
|
// Filament requests support for the following extensions, but none are guaranteed.
|
|
// WEBGL_compressed_texture_s3tc, WEBGL_compressed_texture_s3tc_srgb
|
|
// WEBGL_compressed_texture_astc, WEBGL_compressed_texture_etc
|
|
const albedo = engine.createTextureFromKtx2(albedo_url, {
|
|
srgb: true,
|
|
formats: [ Format.DXT5_RGBA, Format.DXT5_SRGBA, Format.ETC2_EAC_SRGBA8 ]
|
|
});
|
|
|
|
console.assert(albedo, "Unable to create albedo texture.")
|
|
|
|
const roughness = engine.createTextureFromKtx2(roughness_url);
|
|
const metallic = engine.createTextureFromKtx2(metallic_url);
|
|
const ao = engine.createTextureFromKtx2(ao_url);
|
|
const normal = engine.createTextureFromKtx2(normal_url);
|
|
|
|
matinstance.setTextureParameter('albedo', albedo, sampler)
|
|
matinstance.setTextureParameter('roughness', roughness, sampler)
|
|
matinstance.setTextureParameter('metallic', metallic, sampler)
|
|
matinstance.setTextureParameter('normal', normal, sampler)
|
|
matinstance.setTextureParameter('ao', ao, sampler)
|
|
|
|
const mesh = engine.loadFilamesh(filamesh_url, matinstance);
|
|
this.suzanne = mesh.renderable;
|
|
this.scene.addEntity(mesh.renderable);
|
|
|
|
this.swapChain = engine.createSwapChain();
|
|
this.renderer = engine.createRenderer();
|
|
this.camera = engine.createCamera(Filament.EntityManager.get().create());
|
|
this.view = engine.createView();
|
|
this.view.setCamera(this.camera);
|
|
this.view.setScene(this.scene);
|
|
this.resize();
|
|
this.render = this.render.bind(this);
|
|
this.resize = this.resize.bind(this);
|
|
window.addEventListener('resize', this.resize);
|
|
window.requestAnimationFrame(this.render);
|
|
}
|
|
|
|
render() {
|
|
const radians = Date.now() / 1000;
|
|
const transform = mat4.fromRotation(mat4.create(), radians, [0, 1, 0]);
|
|
const tcm = this.engine.getTransformManager();
|
|
const inst = tcm.getInstance(this.suzanne);
|
|
tcm.setTransform(inst, transform);
|
|
inst.delete();
|
|
this.renderer.render(this.swapChain, this.view);
|
|
window.requestAnimationFrame(this.render);
|
|
}
|
|
|
|
resize() {
|
|
const dpr = window.devicePixelRatio;
|
|
const width = this.canvas.width = window.innerWidth * dpr;
|
|
const height = this.canvas.height = window.innerHeight * dpr;
|
|
this.view.setViewport([0, 0, width, height]);
|
|
const eye = [0, 0, 4], center = [0, 0, 0], up = [0, 1, 0];
|
|
this.camera.lookAt(eye, center, up);
|
|
const aspect = width / height;
|
|
const fov = aspect < 1 ? Fov.HORIZONTAL : Fov.VERTICAL;
|
|
this.camera.setProjectionFov(45, aspect, 1.0, 10.0, fov);
|
|
}
|
|
}
|
|
</script>
|
|
</body>
|
|
</html>
|