Realtime subtractive geometry
Basically what I am looking to do is move one piece of geometry through another, and have the volume 'carved' out of it, similar to the effect seen here using a subtractive cylinder brush:
What I was going to attempt was to have a subtractive brush move along while creating duplicates of itself, however I can't seem to find a means to actually move these 'brush' objects at runtime or instantiate them at all.
If this is possible to do, please advise me of how I can achieve it. If it cannot be done like this, I would love to hear an alternate solution to 'carve' geometry in real time.
Thank you :)
asked Apr 01 '14 at 02:51 AM in Using UE4
I don't think BSP was meant to be used at runtime.
If you plan on making only slight modifications to the mesh you could use dynamically created geometry like CustomMeshComponent and recalculate/update the vertices yourself. But if you thing about some serious changes to the shape my suggestion would be to look into voxel-based geometry instead.
answered Apr 01 '14 at 03:16 AM
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