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Found 3 Skills
3D PhysX collision and trigger diagnostics for MonoBehaviour-based Unity projects. Primary scope: OnCollisionEnter / OnTriggerEnter not firing, objects passing through each other, Physics.Raycast missing, ragdoll explosion, AddForce stops working after settling, MeshCollider rules, and similar 3D PhysX symptoms. Adjacent topics (2D physics, OTS / Unity Physics package): provides a brief best-effort answer with a scope disclaimer and a documentation link, rather than refusing outright. When dedicated specialist skills (physics-2d, physics-dots) are installed, those should handle their respective domains and this skill defers to them.
Diagnoses and fixes 3D PhysX collision, trigger, and raycast problems. Use when asked to fix OnCollisionEnter or OnTriggerEnter not firing, objects passing through each other, raycasts that miss, or a misbehaving MeshCollider.
Set up 3D physics in Unity 6: Rigidbody movement and forces, colliders, triggers vs collisions, layer-based collision, raycasts, and joints. Use when adding a Rigidbody, handling OnCollisionEnter/OnTriggerEnter, tuning collision layers, casting rays, or when the user mentions Unity physics, AddForce, isKinematic, or linearVelocity.