How to use half a primitive shape

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kp901
Posts: 2
Joined: 16 May 2020, 21:33

How to use half a primitive shape

Post by kp901 »

Hi
Is there any good way to create half a sphere and still keep it a primitive shape? I can even deal with deleting the triangles in the shape edit mode bit by bit by bit, but that does end up making the shape not primitive, and I'm having issues using non-primitive shapes as sort of "wheels" (or maybe there is a nice way to deal with that besides the shapes going wild after getting connected via joints?)

fferri
Posts: 628
Joined: 09 Sep 2013, 19:28

Re: How to use half a primitive shape

Post by fferri »

Why would you need that?
If you explain your problem, instead of telling how you are trying to solve it, a better solution can be found.

coppelia
Site Admin
Posts: 7936
Joined: 14 Dec 2012, 00:25

Re: How to use half a primitive shape

Post by coppelia »

Hello,

you can't have such a primitive shape. But you can use modify a sphere to a half-sphere, then extract the convex hull from it. Then you'll have a convex shape, that will perform much better than a random shape when using physics engines in your simulation.

Cheers

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