Unity Game Optimization - Third Edition

Reducing joints and colliders

Unity provides a simple ragdoll-generation tool (the Ragdoll Wizard) under GameObject | 3D Object | Ragdoll…. This tool can be used to create ragdolls from a given object by selecting the appropriate child GameObjects to attach Joint and Collider components for any given body part or limb. This tool always creates 13 different colliders and associated joints (pelvis, chest, head, two colliders per arm, and three colliders per leg).

Note that a bug causes the Ragdoll Wizard not to complain if nothing is assigned to Left Foot or Right Foot transform component references as it does for the rest of them, but Unity will throw NullReferenceException if we try to create the mesh without them assigned. Ensure that all ...