n.預(yù)置

Because the Particle Volume Cloud shader has many options to set, you can start out with the Particle Renderer or Particle Shaper shader compound to render a volume quickly. 因?yàn)榱Ｗ芋w積云陰影組已經(jīng)預(yù)置許多屬性，用戶可以使用粒子渲染節(jié)點(diǎn)或者粒子形狀陰影復(fù)合節(jié)點(diǎn)快速渲染體積。