[Home](./index.md) > [@three3d/volume](./volume.md) > [ExampleVolumeMaterial\_Perlin](./volume.examplevolumematerial_perlin.md) ## ExampleVolumeMaterial\_Perlin class 示例体积材质-花边 **Signature:** ```typescript export declare class ExampleVolumeMaterial_Perlin extends RawShaderMaterial ``` **Extends:** RawShaderMaterial ## Constructors | Constructor | Modifiers | Description | | --- | --- | --- | | [(constructor)(options)](./volume.examplevolumematerial_perlin._constructor_.md) | | Constructs a new instance of the ExampleVolumeMaterial_Perlin class | ## Properties | Property | Modifiers | Type | Description | | --- | --- | --- | --- | | [cameraPos](./volume.examplevolumematerial_perlin.camerapos.md) | | Vector3 | 相机的位置 | | [isExampleVolumeMaterial\_Perlin](./volume.examplevolumematerial_perlin.isexamplevolumematerial_perlin.md) | readonly | (not declared) | | | [map](./volume.examplevolumematerial_perlin.map.md) | | [GradientData3DTexture](./volume.gradientdata3dtexture.md) \| null | 三维纹理 | | [steps](./volume.examplevolumematerial_perlin.steps.md) | | number | 体积材质渲染的采样数 | | [threshold](./volume.examplevolumematerial_perlin.threshold.md) | | number | 渲染最低阈值 | | [uniforms](./volume.examplevolumematerial_perlin.uniforms.md) | | [ExampleVolumeMaterial\_PerlinUniforms](./volume.examplevolumematerial_perlinuniforms.md) | |