projectile collision shape.
A side effect of moving actors outside of projectile collision shape is that if both the actor and the projectile are
near a wall, the actor could get moved outside of the world.
Change order of traversal simulation step to make it rare enough to be parallelizable
Before:
for actor in actors:
repeat numstep:
solve(actor)
After:
repeat numstep:
for actor in actors:
solve(actor)
Introduce struct ActorFrameData to pack all data that is necessary for
the solver
