<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>17_更新物体</title>
<link href="../css/index.css" rel="stylesheet" />
<script src="../libs/three.js"></script>
<script src="../libs/dat.gui.min.js"></script>
</head>
<body>
<script>
var scene = new THREE.Scene();
var renderer = new THREE.WebGLRenderer();
renderer.setClearColor(0x000000, 1.0);
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);
var camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.1, 10000);
camera.position.set(40, 40, 40);
camera.lookAt(scene.position);
var geometry = new THREE.BoxGeometry(20, 20, 20);
var material = new THREE.MeshLambertMaterial();
material.transparent = true;
material.vertexColors = THREE.FaceColors;
var box = new THREE.Mesh(geometry, material);
scene.add(box);
geometry.faces.forEach((face) => {
face.color = new THREE.Color(0xff0000);
});
var light = new THREE.DirectionalLight(0xffffff);
scene.add(light);
light.position.set(50, 50, 50);
light.lookAt(scene.position);
var render = function () {
requestAnimationFrame(render);
box.rotation.x += 0.01;
box.rotation.y += 0.01;
box.rotation.z += 0.01;
renderer.render(scene, camera);
}
var control = new function () {
this.changeColor = function () {
box.geometry.faces.forEach((face) => {
face.color = new THREE.Color(Math.random() * 0xffffff);
});
box.geometry.colorsNeedUpdate = true;
};
this.changeVertices = function () {
box.geometry.vertices.forEach((vertice) => {
vertice.x += Math.random() * 2 - 1;
vertice.y += Math.random() * 2 - 1;
vertice.z += Math.random() * 2 - 1;
});
box.geometry.verticesNeedUpdate = true;
}
};
var gui = new dat.GUI();
gui.add(control, 'changeColor');
gui.add(control, 'changeVertices');
render();
</script>
</body>
</html>
17、更新物体
创建日期：2024-07-08
更新日期：2025-01-12
简介
一个来自三线小城市的程序员开发经验总结。