Hi, now I know what I was doing wrong. Some polygons were created in clockwise winding. These didn't work, while the ones I created in counterclockwise winding worked perfectly. Here's a manual page on this topic: http://www.box2d.org/manual.html#_Toc258082970 (thanks to Cato112 from gamedev.stackex...

When I try to create a triangle collider for my game it sometimes leads to an assertion fail. I use the physics engine that comes with love2d (Box2D). That's the error message that appears when the assertion fails: love: modules/physics/box2d/Source/Collision/Shapes/b2PolygonShape.cpp:85: b2Vec2 Com...