 	static func * (l: GLKMatrix4, r: GLKMatrix4) -> GLKMatrix4 {
 		return GLKMatrix4Multiply(l, r)
 	}
-	
 }
 
 extension GLKVector2: CustomStringConvertible {

		self.origin = CGPoint(x, y)
		self.size = CGSize(width, height)
	}

}


extension GLKMatrix4: CustomStringConvertible, Collection {
    public typealias Index = Int

	}
}

extension CGRect {
	init(_ rect: Rect) {
		self.init(origin: CGPoint(rect.origin), size: CGSize(rect.size))
	}
