math - CGPoint Scalar Multiplication Swift -

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I am creating a platformer game in Spritekit and was going to implement an update function for my organizations so that Although they can move forward in accordance with gravity and their velocity, I need to increase the amount of velocity in proportion to the delta time to prevent the frame rate, so that my institutions go forward, so I was going to import GLkit so that I Could not use scalar functions. Although not fast compatible, is there any other way of implementing the scalar to multiply scalar CAG points or perform velocity velocity for delta time?

PS: Can anyone explain how the scalar is multiplied and how does it work?

There is currently no built-in method in which math with CGPoint s There are many third-party libraries who do this, which are mostly built in pre- GLKit days as you mention, the best way to do this is now by GLKit With hope, when it supports swift soon

Scalar Multiplication is super easy You only need to multiply each component of CGPoint with the same code (also called scales). 

  CGPET CGPointMultiplyScalar (CGPoint Point, CGFloat scalar) {Return CGPointMake Point X * scaler, point.i * scalar); }

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