[Home](./index.md) > [@three3d/volume](./volume.md) > [FogPointsMaterialOptions](./volume.fogpointsmaterialoptions.md) > [solid](./volume.fogpointsmaterialoptions.solid.md) ## FogPointsMaterialOptions.solid property 实心因子 **Signature:** ```typescript solid?: number; ``` ## Remarks 在实心范围内，雾点不会衰减