Print control points for default `CAMediaTimingFunctions`

control-points

import QuartzCore
import PlaygroundSupport

PlaygroundPage.current.needsIndefiniteExecution = true


let cords: UnsafeMutablePointer<Float> = UnsafeMutablePointer.allocate(capacity: 2)

let defaultTimingFunctionOptions = [kCAMediaTimingFunctionLinear, kCAMediaTimingFunctionEaseIn, kCAMediaTimingFunctionEaseOut, kCAMediaTimingFunctionEaseInEaseOut, kCAMediaTimingFunctionDefault]

let timingFunctions = defaultTimingFunctionOptions.map({ CAMediaTimingFunction(name: $0) })

for timingFunction in timingFunctions {
    print("\n" + timingFunction.description)

    for i in 0..<4 {
        timingFunction.getControlPoint(at: i, values: cords)
        
        let string = String(format: "(%.2f, %.2f)", cords[0], cords[1])
        print(string)
    }
}