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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - loaders - OBJ loader</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
</head>
<body>
<script src="js/three.js"></script>
<script src="js/OBJLoader.js"></script>
<script>
var container;
var camera, scene, renderer;
var mouseX = 0, mouseY = 0;
var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2;
init();
animate();
function init() {
container = document.createElement('div');
document.body.appendChild(container);
camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 1, 2000);
camera.position.z = 250;
// scene
scene = new THREE.Scene();
var ambientLight = new THREE.AmbientLight(0xcccccc, 0.4);
scene.add(ambientLight);
var pointLight = new THREE.PointLight(0xffffff, 0.8);
camera.add(pointLight);
scene.add(camera);
// texture
var manager = new THREE.LoadingManager();
manager.onProgress = function (item, loaded, total) {
console.log(item, loaded, total);
};
var textureLoader = new THREE.TextureLoader(manager);
var texture = textureLoader.load('textures/UV_Grid_Sm.jpg');
// model
var onProgress = function (xhr) {
if (xhr.lengthComputable) {
var percentComplete = xhr.loaded / xhr.total * 100;
console.log(Math.round(percentComplete, 2) + '% downloaded');
}
};
var onError = function (xhr) {
};
var loader = new THREE.OBJLoader(manager);
loader.load('models/test.obj', function (object) {
object.traverse(function (child) {
if (child instanceof THREE.Mesh) {
child.material.map = texture;
}
});
object.position.y = - 95;
scene.add(object);
}, onProgress, onError);
//
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio(window.devicePixelRatio);
renderer.setSize(window.innerWidth, window.innerHeight);
container.appendChild(renderer.domElement);
document.addEventListener('mousemove', onDocumentMouseMove, false);
//
window.addEventListener('resize', onWindowResize, false);
}
function onWindowResize() {
windowHalfX = window.innerWidth / 2;
windowHalfY = window.innerHeight / 2;
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
}
function onDocumentMouseMove(event) {
mouseX = (event.clientX - windowHalfX) / 2;
mouseY = (event.clientY - windowHalfY) / 2;
}
//
function animate() {
requestAnimationFrame(animate);
render();
}
function render() {
camera.position.x += (mouseX - camera.position.x) * .05;
camera.position.y += (- mouseY - camera.position.y) * .05;
camera.lookAt(scene.position);
renderer.render(scene, camera);
}
</script>
</body>
</html>