Lecture 259 - Create a falling cube that shatters (Problem: it explodes at frame 2)

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#1

Lecture 259 - I create a cube and used Cell Fracture to create a fractured copy on layer 2. I animated the layers to make the swap between layer 1 and 2 at frame 32.
The animation doesn’t work, the fracture cube interact with the other and explode at frame 2.

Its a simple animation. The cube hits the ground and shatter.

How can we create this kind of physics based animation? If both cubes must fall, both must have Active Rigid Body,

I can cheat and try to animate the first cube without a Rigid Body, but will be hard to simulate gravity accelaration with a key frame animation.

#2

Hello, to solve this problem, you can assign cube in layer 1and the fractured cubes in layer 2 to different collision group. The setting can be found under rigid body collision in the physic tab. Make sure the fractured cubes has same collision group with the plane or whatever object you want to interact for it to shatter.

Hope this help

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