[Home](./index.md) > [@three3d/volume](./volume.md) > [FogPointsMaterialOptions](./volume.fogpointsmaterialoptions.md) > [sizeAttenuation](./volume.fogpointsmaterialoptions.sizeattenuation.md) ## FogPointsMaterialOptions.sizeAttenuation property 点的大小是否因相机深度而衰减 **Signature:** ```typescript sizeAttenuation?: boolean; ``` ## Remarks 仅限透视摄像头