代码如下：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<style>
html, body {
height: 100%;
margin: 0;
}
#c {
width: 100%;
height: 100%;
display: block;
}
</style>
</head>
<body>
<!-- three.min.js r87 -->
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/three.133.js"></script>
<!-- GLTFLoader.js -->
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/GLTFLoader.133.js"></script>
<canvas id="c"></canvas>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/OrbitControls.133.js"></script>
<script>
'use strict';
function deg(degree) {
return degree / 180 * Math.PI;
}
function main() {
const canvas = document.querySelector('#c');
const renderer = new THREE.WebGLRenderer({ canvas });
renderer.shadowMap.enabled = true;
const camera = new THREE.PerspectiveCamera(60, window.innerWidth / window.innerHeight, 0.1, 1000);
camera.position.set(0, 30, 100);
camera.lookAt(new THREE.Vector3(0, 0, 0));
const scene = new THREE.Scene();
scene.background = new THREE.Color('#B4B4B4');
const controls = new THREE.OrbitControls(camera, canvas);
controls.target.set(0, 0, 0);
controls.update();
const light = new THREE.DirectionalLight(0xffffff, 1);
light.intensity = 1;
light.position.set(16, 16, 8);
light.castShadow = true;
light.shadow.mapSize.width = 512 * 12;
light.shadow.mapSize.height = 512 * 12;
light.shadow.camera.top = 40;
light.shadow.camera.bottom = -40;
light.shadow.camera.left = -40;
light.shadow.camera.right = 40;
scene.add(light);
// 环境光
const ambientLight = new THREE.AmbientLight(0xcfffff);
ambientLight.intensity = 1;
scene.add(ambientLight);
function loadGLTF() {
// GLTF loading
var gltfPath = '//repo.bfw.wiki/bfwrepo/threemodel/bingdundun.glb';
var loader = new THREE.GLTFLoader();
loader.load(gltfPath, function (mesh) {
mesh.scene.traverse(child => {
if (child.isMesh) {
// 内部
if (child.name === 'oldtiger001') {
child.material.metalness = .5
child.material.roughness = .8
}
// 半透明外壳
if (child.name === 'oldtiger002') {
child.material.transparent = true;
child.material.opacity = .5
child.material.metalness = .2
child.material.roughness = 0
child.material.refractionRatio = 1
child.castShadow = true;
}
}
});
mesh.scene.position.set(-8, -12, 0);
mesh.scene.scale.set(24, 24, 24);
scene.add(mesh.scene);
});
}
loadGLTF();
function resizeRendererToDisplaySize(renderer) {
const canvas = renderer.domElement;
const pixelRatio = window.devicePixelRatio;
const width = canvas.clientWidth * pixelRatio;
const height = canvas.clientHeight * pixelRatio;
const needResize = canvas.width !== width || canvas.height !== height;
if (needResize) {
renderer.setSize(width, height, false);
}
return needResize;
}
function render(time) {
if (resizeRendererToDisplaySize(renderer)) {
const canvas = renderer.domElement;
camera.aspect = canvas.clientWidth / canvas.clientHeight;
camera.updateProjectionMatrix();
}
renderer.render(scene, camera);
requestAnimationFrame(render);
}
requestAnimationFrame(render);
}
main();
</script>
</body>
</html>
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