A Unity helper class that adds features to colliders

• BoxCollider2D

• CapsuleCollider2D (without rotations)

• CircleCollider2D

• PolygonCollider2D

• Cast against a single polygon or multiple polygons

• Cast against a single collider, multiple colliders, or all colliders in the scene

• Filter unsuccessfult hits

• Sort hits by distance

• Exclude the collider being cast