babylon.js 实现柏林噪声、Worley噪声、分形噪声
时间: 2023-07-10 18:14:59 浏览: 285
Babylon.js提供了一些内置的工具来生成柏林噪声、Worley噪声和分形噪声。下面是一些示例代码:
1. 生成柏林噪声:
```javascript
// 创建一个柏林噪声纹理
var noiseTexture = new BABYLON.NoiseProceduralTexture("noise", 256, scene);
// 设置柏林噪声的类型和参数
noiseTexture.animationSpeedFactor = 5;
noiseTexture.persistence = 0.9;
noiseTexture.brightness = 0.1;
noiseTexture.octaves = 4;
// 将柏林噪声纹理应用到一个平面上
var plane = BABYLON.Mesh.CreatePlane("plane", 10, scene);
var mat = new BABYLON.StandardMaterial("mat", scene);
mat.diffuseTexture = noiseTexture;
plane.material = mat;
```
2. 生成Worley噪声:
```javascript
// 创建一个Worley噪声纹理
var noiseTexture = new BABYLON.WorleyNoiseProceduralTexture("noise", 256, scene);
// 设置Worley噪声的类型和参数
noiseTexture.animationSpeedFactor = 5;
noiseTexture.distanceFunction = BABYLON.WorleyNoiseProceduralTexture.EUCLIDIAN_DISTANCE;
noiseTexture.cellsDensity = 2.0;
// 将Worley噪声纹理应用到一个平面上
var plane = BABYLON.Mesh.CreatePlane("plane", 10, scene);
var mat = new BABYLON.StandardMaterial("mat", scene);
mat.diffuseTexture = noiseTexture;
plane.material = mat;
```
3. 生成分形噪声:
```javascript
// 创建一个分形噪声纹理
var noiseTexture = new BABYLON.FractalNoiseProceduralTexture("noise", 256, scene);
// 设置分形噪声的类型和参数
noiseTexture.animationSpeedFactor = 5;
noiseTexture.type = BABYLON.FractalNoiseType.FBM;
noiseTexture.persistence = 0.6;
noiseTexture.octaves = 4;
// 将分形噪声纹理应用到一个平面上
var plane = BABYLON.Mesh.CreatePlane("plane", 10, scene);
var mat = new BABYLON.StandardMaterial("mat", scene);
mat.diffuseTexture = noiseTexture;
plane.material = mat;
```
这些示例代码演示了如何在Babylon.js中生成柏林噪声、Worley噪声和分形噪声,并将它们应用到一个平面上。你可以通过修改参数和设置不同的纹理类型来创建自己的噪声效果。
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