I was actually looking for something that would do automatic fracturing in the sense that it would break up geometery into chunks.
I came across this plugin which does some amazing stuff. exactly what I'm after. It breaks up meshes using the probooleans method
but its all procedural so you can do crazy stuff like have it break up into smaller fragments closer to your mouse in realtime. or break the mesh up more in relation to the position of another object etc..
You can pre-fragment meshes then have rigid body dynamics effected by wind or even by how close your mouse pointer is as it calculates in realtime. When you use PhysX dynamics it creates the collision threshold inside the object/fragments unlike with reactor which has the threshold outside (although you can use Havoc 1 and 3 also). So you can solve the pre-fractured objects without getting all these errors about intersecting faces or coplanar polygons. very cool stuff. Just simply for modeling purposes this thing is really a usefull tool, you can break up meshes and add automatic jitter to the pieces so they move around slightly or have open cracks etc... check it out. theres a demo.
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