[Home](./index.md) > [@three3d/volume](./volume.md) > [FogPointsMaterial](./volume.fogpointsmaterial.md) ## FogPointsMaterial class **Signature:** ```typescript export declare class FogPointsMaterial extends ShaderMaterial ``` **Extends:** ShaderMaterial ## Constructors | Constructor | Modifiers | Description | | --- | --- | --- | | [(constructor)(options, shaderMaterialParameters)](./volume.fogpointsmaterial._constructor_.md) | | Constructs a new instance of the FogPointsMaterial class | ## Properties | Property | Modifiers | Type | Description | | --- | --- | --- | --- | | [exp](./volume.fogpointsmaterial.exp.md) | | number | 雾的衰减指数 | | [fogColor](./volume.fogpointsmaterial.fogcolor.md) | | Color | | | [fogDensity](./volume.fogpointsmaterial.fogdensity.md) | | number | | | [fogFar](./volume.fogpointsmaterial.fogfar.md) | | number | | | [fogNear](./volume.fogpointsmaterial.fognear.md) | | number | | | [isFogPointsMaterial](./volume.fogpointsmaterial.isfogpointsmaterial.md) | readonly | (not declared) | | | [map](./volume.fogpointsmaterial.map.md) | | Texture \| null | 使用来自Texture的数据设置点的颜色 | | [opacity](./volume.fogpointsmaterial.opacity.md) | | number | 透明度 | | [scale](./volume.fogpointsmaterial.scale.md) | | number | | | [size](./volume.fogpointsmaterial.size.md) | | number | 点的大小 | | [sizeAttenuation](./volume.fogpointsmaterial.sizeattenuation.md) | | boolean | 点的大小是否因相机深度而衰减 | | [solid](./volume.fogpointsmaterial.solid.md) | | number | 实心因子 | | [star](./volume.fogpointsmaterial.star.md) | | boolean | 是否渲染成星星的样式 | | [uniforms](./volume.fogpointsmaterial.uniforms.md) | | FogPointsUniforms | |