When a physics engine uses a 'narrow-phase' collision detection algorithm, what is its primary objective?
Question 2
In the context of rigidbody dynamics, what does the term 'coefficient of restitution' represent?
Question 3
Which of the following is a critical challenge in implementing a stable and accurate 'ragdoll' physics system for character animation?
Question 4
When designing a physics-based puzzle game, which type of joint would be most appropriate for a mechanism that requires a part to slide along a single axis, like a piston?
Question 5
In the context of deterministic simulation, what is the primary reason for using a 'checksum' or 'hash' of the simulation state?
