[Home](./index.md) > [@three3d/volume](./volume.md) > [HeatParticleVolumeFeature](./volume.heatparticlevolumefeature.md) ## HeatParticleVolumeFeature interface 热力粒子体积特性 **Signature:** ```typescript export interface HeatParticleVolumeFeature extends SphereParticleVolumeFeature ``` **Extends:** [SphereParticleVolumeFeature](./volume.sphereparticlevolumefeature.md) ## Properties | Property | Modifiers | Type | Description | | --- | --- | --- | --- | | [valuesAccumulate?](./volume.heatparticlevolumefeature.valuesaccumulate.md) | | [HeatValuesAccumulate](./volume.heatvaluesaccumulate.md) | _(Optional)_ 值累积函数 |