Amazing video! I am trying to make a sphere cage where a motorcycle can ride inside. I made a half bowl in blender duplicated it and imported into Unreal with correct naming convention and it did import the bowl and collision but the collision was only a half sphere collision, not a bowl collision. It is even possible to make a half sphere bowl collision or is that that reason you made you bowl with all the pieces to get around the concave issue?
The pieces is to get around the concave issue, correct. A collider cannot be concave, so you have to split it into many convex pieces. Or if you don't care about performance you can set the mesh to use complex collision and use the mesh itself as the collider.
@@stephenmaloney424 okay good information sir, that's what I thought that's pretty amazing and interesting that Nvidia physics x can't do concave but maybe that's with all physics engines. I do know about using the static mesh as the collision in unreal engine but you cannot turn on physics for that and this is going to be a sphere that's going to be rolling so it has to have simple physics so what I'll probably do is just inside of unreal engine inside of the static mesh editor just make some flat rectangles out of collision and just put them all in a circle may not be perfect but I think it'll work I guess the other option would be inside blender make some curved pieces well I guess you can't make curve pieces because then they would be concave I wonder what degree it considers concave I guess anything after 90° or is it anything after 45°. It's fascinating
@@JohnDaniels In Blender, under Mesh header while modeling, there is a selection called Convex Hull you can use to force something to be convex, try that if needed. Unreal will force colliders to be convex similar to how this works.
hey! theres a batch rename option in blender, hope it can save you time. good video, cheers!
That would be amazing! I'll see if I can find how to do that...
Amazing video! I am trying to make a sphere cage where a motorcycle can ride inside. I made a half bowl in blender duplicated it and imported into Unreal with correct naming convention and it did import the bowl and collision but the collision was only a half sphere collision, not a bowl collision. It is even possible to make a half sphere bowl collision or is that that reason you made you bowl with all the pieces to get around the concave issue?
The pieces is to get around the concave issue, correct. A collider cannot be concave, so you have to split it into many convex pieces. Or if you don't care about performance you can set the mesh to use complex collision and use the mesh itself as the collider.
@@stephenmaloney424 okay good information sir, that's what I thought that's pretty amazing and interesting that Nvidia physics x can't do concave but maybe that's with all physics engines. I do know about using the static mesh as the collision in unreal engine but you cannot turn on physics for that and this is going to be a sphere that's going to be rolling so it has to have simple physics so what I'll probably do is just inside of unreal engine inside of the static mesh editor just make some flat rectangles out of collision and just put them all in a circle may not be perfect but I think it'll work I guess the other option would be inside blender make some curved pieces well I guess you can't make curve pieces because then they would be concave I wonder what degree it considers concave I guess anything after 90° or is it anything after 45°. It's fascinating
@@JohnDaniels In Blender, under Mesh header while modeling, there is a selection called Convex Hull you can use to force something to be convex, try that if needed. Unreal will force colliders to be convex similar to how this works.
@@stephenmaloney424 Ok, I will give that a shot. Thank you so much for your help! I am like maybe a 1 in blender and you are a 10 :)
@@stephenmaloney424 The convex hull option really helps, thank you again!