So me and my friend are working on a cube game where you dodge Obstacles and what not, how ever we have came into a very annoying error and cant seem to fix it, i have researched the error a fair bit and i have came to an conclusion that its something to do with axis-aligned-bounding-box, the shard’s of the cube only seem to do it when they go really far or maybe if the are ‘thrown’ really fast i am normally really good at finding solutions.
The Obstacle is a primitive cube/rectangle, when the player hits it, it destroys it self and Instantiates a prefab where it was, the prefab is a cube exported from Blender that has been “shattered”.
This is what i have tried so far:
Setting the RigidBodys to different mass so they don’t go so far.
Some stuff to do with the instantiation.
Deleting the Shards when the get a certain distance from their origin.
Checking Convex on the MeshCollider of every shard.
My only other guess would be something to do with rotation.
I have also read that these errors can happen from the Particle System (but my/friends game doesn’t have a Particle System in it yet)
I would really appreciate some help.
Here are some images:
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The images are not in sync with each other.

