烟雾# gs.materials.SF.Smoke 通过 Stable Fluid 求解器把实体作为烟雾、热气等气态介质来驱动。适用于需要平流密度场和速度场（而非粒子）的网格流体效果。它是 SF 族中唯一的材质。 class genesis.engine.materials.SF.smoke.Smoke(*, use_visual_raycasting: bool = False, sampler: Literal['pbs', 'random', 'regular'] = 'regular') → None[source]# Smoke material for the stable fluids solver.
