vue使用three.js实现星云效果
时间: 2023-09-17 19:09:26 浏览: 79
要使用Three.js实现星云效果,可以按照以下步骤进行:
1. 引入Three.js库文件和需要的插件
```
<script src="https://threejs.org/build/three.min.js"></script>
<script src="https://threejs.org/examples/js/controls/OrbitControls.js"></script>
```
2. 创建场景、相机和渲染器
```
var scene = new THREE.Scene();
var camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
camera.position.z = 5;
var renderer = new THREE.WebGLRenderer();
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);
```
3. 创建星云材质
```
var starMaterial = new THREE.PointsMaterial({
color: 0xffffff,
size: 0.1,
map: THREE.ImageUtils.loadTexture(
"https://threejs.org/examples/textures/sprites/disc.png"
),
blending: THREE.AdditiveBlending,
transparent: true,
depthWrite: false
});
```
4. 创建星云模型
```
var starGeometry = new THREE.Geometry();
for (var i = 0; i < 10000; i++) {
var star = new THREE.Vector3();
star.x = THREE.Math.randFloatSpread(2000);
star.y = THREE.Math.randFloatSpread(2000);
star.z = THREE.Math.randFloatSpread(2000);
starGeometry.vertices.push(star);
}
var stars = new THREE.Points(starGeometry, starMaterial);
scene.add(stars);
```
5. 创建控制器,实现交互操作
```
var controls = new THREE.OrbitControls(camera, renderer.domElement);
controls.enableDamping = true;
controls.dampingFactor = 0.25;
controls.enableZoom = false;
```
6. 渲染场景
```
function animate() {
requestAnimationFrame(animate);
controls.update();
renderer.render(scene, camera);
}
animate();
```
7. 完整代码示例
```
<!DOCTYPE html>
<html>
<head>
<title>Starfield Simulation</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
body {
margin: 0;
padding: 0;
overflow: hidden;
}
</style>
</head>
<body>
<script src="https://threejs.org/build/three.min.js"></script>
<script src="https://threejs.org/examples/js/controls/OrbitControls.js"></script>
<script>
var scene = new THREE.Scene();
var camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
camera.position.z = 5;
var renderer = new THREE.WebGLRenderer();
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);
var starMaterial = new THREE.PointsMaterial({
color: 0xffffff,
size: 0.1,
map: THREE.ImageUtils.loadTexture(
"https://threejs.org/examples/textures/sprites/disc.png"
),
blending: THREE.AdditiveBlending,
transparent: true,
depthWrite: false
});
var starGeometry = new THREE.Geometry();
for (var i = 0; i < 10000; i++) {
var star = new THREE.Vector3();
star.x = THREE.Math.randFloatSpread(2000);
star.y = THREE.Math.randFloatSpread(2000);
star.z = THREE.Math.randFloatSpread(2000);
starGeometry.vertices.push(star);
}
var stars = new THREE.Points(starGeometry, starMaterial);
scene.add(stars);
var controls = new THREE.OrbitControls(camera, renderer.domElement);
controls.enableDamping = true;
controls.dampingFactor = 0.25;
controls.enableZoom = false;
function animate() {
requestAnimationFrame(animate);
controls.update();
renderer.render(scene, camera);
}
animate();
</script>
</body>
</html>
```
这样就可以在Vue项目中使用Three.js实现星云效果了。