claygl/example/webvr.html
2023-02-19 15:39:56 +08:00

194 lines
5.8 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta
name="viewport"
content="width=device-width,initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"
/>
<script type="text/javascript" src="lib/require.js"></script>
<script type="text/javascript" src="lib/stats.js"></script>
</head>
<body>
<style>
body {
margin: 0px;
background-color: #20242b;
overflow: hidden;
}
#viewport {
position: absolute;
width: 100%;
height: 100%;
left: 0;
top: 0;
}
</style>
<div id="viewport">
<canvas id="main"></canvas>
</div>
<div id="time" style="position: absolute; left: 10px; top: 10px; color: white"></div>
<script type="text/javascript">
require(['../dist/claygl', 'lib/webvr-polyfill'], function (clay) {
var Material = clay.Material;
var Mesh = clay.Mesh;
var Cube = clay.geometry.Cube;
var meshUtil = clay.util.mesh;
var timeline = new clay.Timeline();
timeline.start();
var main = document.getElementById('main');
var viewport = document.getElementById('viewport');
var renderer = new clay.Renderer({
canvas: main
});
var scene = new clay.Scene();
var camera = new clay.camera.Perspective({
aspect: renderer.getViewportAspect(),
far: 500
});
var stereoCamera = new clay.vr.StereoCamera();
var distorter = new clay.vr.CardboardDistorter();
var cube = new Cube();
cube.generateTangents();
var shader = clay.shader.library.get('clay.standard');
var material = new Material({
shader: shader
});
material.set('glossiness', 0.4);
var diffuse = new clay.Texture2D();
diffuse.load('assets/textures/crate.gif');
var normal = new clay.Texture2D();
normal.load('assets/textures/normal_map.jpg');
material.set('diffuseMap', diffuse);
material.set('normalMap', normal);
var root = new clay.Node();
scene.add(root);
var cubeMesh = new Mesh({
geometry: cube,
material: material
});
for (var i = 0; i < 10; i++) {
for (var j = 0; j < 10; j++) {
for (var k = 0; k < 10; k++) {
var mesh = new clay.Mesh({
geometry: cube,
material: material
});
mesh.position.set(
50 - Math.random() * 100,
50 - Math.random() * 100,
50 - Math.random() * 100
);
mesh.scale.set(1, 1, 1);
root.add(mesh);
}
}
}
var light = new clay.light.Point({
range: 200
});
scene.add(light);
scene.add(
new clay.light.Ambient({
intensity: 0.4
})
);
camera.position.set(0, 0, 10);
if (navigator.getVRDisplays) {
navigator
.getVRDisplays()
.then(function (displays) {
if (displays.length > 0) {
var vrDisplay = displays[0];
vrDisplay
.requestPresent({
// source: renderer.canvas
})
.then(function () {
start(vrDisplay);
})
.catch(function () {
console.error('VRDisplay is not capable of presenting');
start();
});
}
})
.catch(function () {
console.error('VRDisplay is not capable of presenting');
start();
});
} else {
start();
}
var framebuffer = new clay.FrameBuffer();
var sourceTexture = new clay.Texture2D();
framebuffer.attach(sourceTexture);
var debugPass = new clay.compositor.Pass({
fragment: clay.Shader.source('clay.compositor.output')
});
debugPass.setUniform('texture', sourceTexture);
function start(vrDisplay) {
if (vrDisplay) {
distorter.updateFromVRDisplay(vrDisplay);
}
timeline.on('frame', function (deltaTime) {
var start = new Date().getTime();
if (vrDisplay) {
stereoCamera.updateFromVRDisplay(vrDisplay);
} else {
camera.aspect = renderer.getWidth() / renderer.getHeight();
camera.update();
stereoCamera.updateFromCamera(camera);
}
framebuffer.bind(renderer);
renderer.clearBit = null;
renderer.gl.clear(renderer.gl.DEPTH_BUFFER_BIT | renderer.gl.COLOR_BUFFER_BIT);
renderer.setViewport(0, 0, renderer.getWidth() / 2, renderer.getHeight());
renderer.render(scene, stereoCamera.getLeftCamera());
renderer.setViewport(
renderer.getWidth() / 2,
0,
renderer.getWidth() / 2,
renderer.getHeight()
);
renderer.render(scene, stereoCamera.getRightCamera());
framebuffer.unbind(renderer);
distorter.render(renderer, sourceTexture);
// debugPass.render(renderer);
});
}
function resize() {
renderer.resize(viewport.offsetWidth, viewport.offsetHeight);
sourceTexture.width = renderer.getWidth() * renderer.getPixelRatio();
sourceTexture.height = renderer.getHeight() * renderer.getPixelRatio();
sourceTexture.dirty();
}
window.addEventListener('resize', resize);
resize();
});
</script>
</body>
</html>