By popular request, I’m sharing a breakdown of a tearing effect using pop grains in houdini. We’ll cover a basic version (tearing a flat sheet) from scratch, then I’ll go over a few variations to generalize the effect to other kinds of geometry. Beginner to Intermediate level – nothing wildly complicated, but a fair bit of vex.
HIP file is available on my website: http://diffusefx.com/2019/12/06/pop-tearing-effect-tutorial/
Contents:
(0:36) Step 1 – Setup
(21:16) Step 2 – Collision Shape
(24:46) Step 3 – POPnet & POP grains
(36:26) Step 4 – Creating Pins
(41:53) Step 5 – Cache & Cleanup
(47:32) Step 6 – Tweaks & Upgrades
(59:38) Extra – Variations
百度翻译：
应大众的要求，我分享了使用胡迪尼中的爆米花撕裂效果的细目。我们将从头开始介绍一个基本版本（撕裂平板），然后我将介绍一些变体以将效果推广到其他类型的几何图形。从初学者到中级–没有什么复杂的东西，但是有点烦人。
HIP file is available on my website: http://diffusefx.com/2019/12/06/pop-tearing-effect-tutorial/
内容：
（0:36）步骤1-设定
（21:16）步骤2-碰撞形状
（24:46）步骤3-POPnet和POP颗粒
（36:26）步骤4-创建图钉
（41:53）步骤5-缓存和清理
（47:32）步骤6-调整和升级
（59:38）额外-变化
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