NewMatrix creates and returns a pointer to a new collision Matrix.

NewRaycaster creates and returns a pointer to a new raycaster object with the specified origin and direction.

Contact describes a contact point, normal, and depth.

Intersect describes the intersection between a ray and an object.

Raycaster represents an empty object that can cast rays and check for ray intersections.

Matrix is a triangular collision matrix indicating which pairs of bodies are colliding.