[Home](./index.md) > [@three3d/volume](./volume.md) > [GradientFogPointsMaterial](./volume.gradientfogpointsmaterial.md) ## GradientFogPointsMaterial class 梯度雾点材质 **Signature:** ```typescript export declare class GradientFogPointsMaterial extends FogPointsMaterial ``` **Extends:** [FogPointsMaterial](./volume.fogpointsmaterial.md)<[GradientFogPointsMaterialUniforms](./volume.gradientfogpointsmaterialuniforms.md)> ## Remarks 需要 geoometry 有以下属性 - value : 每个顶点都有一个数字类型的值 value - radius : 仅当 useRadius 为 true 时必须；每个顶点都有一个数字类型的半径 材质的 map 属性存储的是梯度图像，用于映射 value 的； ## Constructors | Constructor | Modifiers | Description | | --- | --- | --- | | [(constructor)(options)](./volume.gradientfogpointsmaterial._constructor_.md) | | Constructs a new instance of the GradientFogPointsMaterial class | ## Properties | Property | Modifiers | Type | Description | | --- | --- | --- | --- | | [isColorFogPointsMaterial](./volume.gradientfogpointsmaterial.iscolorfogpointsmaterial.md) | readonly | (not declared) | | | [range](./volume.gradientfogpointsmaterial.range.md) | | Vector2 | 数值的映射区间 |