<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Basic Mesh Material</title>
<script src="../../three-part/threejs/three.js"></script>
<script src="../../three-part/utils/stats.min.js"></script>
<script src="../../three-part/utils/dat.gui.min.js"></script>
<script src="../controls/TrackballControls.js"></script>
<script src="../util/util.js"></script>
<style>
body {
margin: 0;
overflow: hidden;
}
</style>
</head>
<body>
<div id="container"></div>
<script type="text/javascript">
init();
function init() {
// show FPS
let stats = initStats();
// resize
window.addEventListener('resize', onResize, false);
let scene = new THREE.Scene();
let camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.1, 1000);
camera.position.x = -20;
camera.position.y = 50;
camera.position.z = 40;
camera.lookAt(new THREE.Vector3(10, 0, 0));
let renderer = new THREE.WebGLRenderer();
renderer.setClearColor(new THREE.Color(0x000000));
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.shadowMap.enabled = true;
document.getElementById("container").appendChild(renderer.domElement);
// init trackball control
let trackballControls = initTrackballControls(camera, renderer);
let clock = new THREE.Clock();
let groundGeom = new THREE.PlaneGeometry(100, 100, 4, 4);
let groundMesh = new THREE.Mesh(groundGeom, new THREE.MeshBasicMaterial({
color: 0x777777
}));
groundMesh.rotation.x = -Math.PI / 2;
groundMesh.position.y = -20;
scene.add(groundMesh);
let cubeGeometry = new THREE.BoxGeometry(15, 15, 15);
let meshMaterial = new THREE.MeshBasicMaterial({
color: 0x7777ff,
name: 'Basic Material',
// Define whether the material is rendered with flat shading. Default is false.
flatShading: true
});
let cube = new THREE.Mesh(cubeGeometry, meshMaterial);
cube.position.set(0, 3, 2);
scene.add(cube);
// add ambient light
let ambientLight = new THREE.AmbientLight(0x0c0c0c);
scene.add(ambientLight);
// add spotlight
let spotLight = new THREE.SpotLight(0xffffff);
spotLight.position.set(-40, 60, -10);
spotLight.castShadow = true;
scene.add(spotLight);
// attributes which can be modified in GUI
const controls = {
"color" : meshMaterial.color.getStyle()
};
// init GUI
initGUI();
renderScene();
function initGUI(){
let gui = new dat.GUI();
gui.addColor(controls, 'color').onChange(function (e) {
meshMaterial.color.setStyle(e);
});
}
function onResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
}
function renderScene(){
trackballControls.update(clock.getDelta());
stats.update();
requestAnimationFrame(renderScene);
renderer.render(scene, camera);
}
}
</script>
</body>
</html>
运行结果：
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