A set of vector math macros. Prefixed. for SpriteKit lovers.
ZS_CGVectorAdd(v1,v2)
ZS_CGVectorSubtract(v1,v2)
ZS_CGVectorScalarProduct(scalar, v)
ZS_CGVectorDotProduct(v1,v2)
ZS_CGVectorGetMagnitude(v)
ZS_CGVectorNormalize(v)
Usage:
pod 'CGVectorMath'
and in Prefix.pch
#import <CGVectorMath/CGVectorMath.h>