Houdini利用假热量场制作“烟洞”Smoke Hole With Fake Heat Field

A quick tutorial showing how to use gravity to draw smoke through a hole in the floor. Uses the VDB Diagnostics node to mask out parts of the resulting density to generate a “fake” heat field.
谷歌翻译：
快速教程，展示如何使用重力通过地板上的孔吸引烟雾。使用“ VDB诊断”节点掩盖部分所得密度以生成“伪”热场。