Collision detection
kaolpr opened this issue · 2 comments
kaolpr commented
Do you have any handy method for detecting collision between bodies? I am thinking of a method for verification if elements of the assembly do not overlap.
etjones commented
Unfortunately, OpenSCAD (and therefore SolidPython) has no capacity at all for introspection, meaning there’s no automated way to test for object intersection besides running OpenSCAD / CGAL and checking where your objects end up.
This is a pretty fundamental limit on the program. When people ask about capabilities like this, I usually tell them they’ve outgrown OpenSCAD and point them to commercial CAD packages. One free place you might look is at Christopher Olaf’s ImplicitCAD (https://github.com/colah/ImplicitCAD). Its 3D kernel is based on very different algorithms than OpenSCAD/CGAL which can be a) much much faster than OpenSCAD, and b) more tightly integrated into the language, so there’s some possibility of introspectability. Give it a look!
… On Feb 20, 2021, at 10:17 AM, Mikołaj Sowiński ***@***.***> wrote:
Do you have any handy method for detecting collision between bodies? I am thinking of a method for verification if elements of the assembly do not overlap.
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kaolpr commented
@etjones Thank you for explanation.
I'm also looking into CadQuery (https://github.com/CadQuery/cadquery), but have not yet established if what I need is possible there.