Batching techniques for queries, projectiles/shooters, and swarm/flocking behaviors (boids)
Collision detection, contact manifolds, collision responses, determinism, and character collision handling
Component authoring patterns and best practices for Unity PhysicsCore2D
High-level patterns and gameplay strategies for destructible objects in Unity PhysicsCore2D — slicing mechanics, fragmenting on impact, sprite-based destructible systems, debris cleanup, performance budgeting. Use for "how should I design destructible X?"…
Factory patterns for creating complex physics objects (ragdolls, soft bodies, vehicles, gears, mechanical systems)
Collision filtering, layer-based interactions, custom collision filters, and trigger areas
Environmental forces (wind), surface forces, and directional force application
Physics material properties including friction, bounciness/restitution, rolling resistance, and surface velocity (conveyor belts)