Math Helper is a math library containing many functions for doing advanced calculations in 2D and 3D environments, it contains several new static helper classes: Vector2Helper - For doing calculations on Vector2 values Vector3Helper - For doing calculations on Vector3 values Vector4Helper - For doing calculations on Vector4 values FloatHelper - For doing conversions from/to different float formats (16 bit, etc.) CollisionHelper - For doing advanced collision and intersection calculations between different shapes: Ray, Line, Segment, Plane, Sphere, Box, Triangle, Point. Check out the 77 page long documentation to see all helper methods! Price: $20 Link: https://www.assetstore.unity3d.com/#/content/6114