给glb模型添加阴影和Points
时间: 2024-05-03 11:16:56 浏览: 16
要给glb模型添加阴影和Points,需要使用Three.js库中的ShadowMaterial和PointsMaterial。以下是添加阴影和Points的示例代码:
```javascript
// 创建一个平面作为阴影接收器
var groundPlane = new THREE.Mesh(
new THREE.PlaneGeometry(100, 100),
new THREE.ShadowMaterial()
);
groundPlane.receiveShadow = true;
scene.add(groundPlane);
// 创建一个具有阴影的glb模型
var loader = new THREE.GLTFLoader();
loader.load('model.glb', function(gltf) {
var model = gltf.scene;
model.traverse(function(node) {
if(node.isMesh) {
node.castShadow = true;
node.receiveShadow = true;
// 设置阴影材质
node.material = new THREE.MeshStandardMaterial({ color: 0xffffff });
}
});
scene.add(model);
});
// 创建一个Points对象
var points = new THREE.Points(
new THREE.BufferGeometry().setFromPoints([
new THREE.Vector3(-10, 0, 0),
new THREE.Vector3(0, 10, 0),
new THREE.Vector3(10, 0, 0)
]),
new THREE.PointsMaterial({ color: 0xffffff })
);
scene.add(points);
```
注意,添加阴影需要在渲染器中开启阴影,示例代码如下:
```javascript
renderer.shadowMap.enabled = true;
renderer.shadowMap.type = THREE.PCFSoftShadowMap;
```