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I 사용자가이내가 할, CAMediaTimingFunction
CAMediaTimingFunction *function = [CAMediaTimingFunction functionWithName:
kCAMediaTimingFunctionDefault];
//get control points
CGPoint controlPoint1, controlPoint2;
[function getControlPointAtIndex:1 values:(float *)&controlPoint1];
[function getControlPointAtIndex:2 values:(float *)&controlPoint2];
NSLog(@"%@, %@", NSStringFromCGPoint(controlPoint1), NSStringFromCGPoint(controlPoint2));
//{5.2386907149499368e-11, 7.9050503334599447e-323}, {0.0078125018189894035, 4.9406564584124654e-324}
와 OC에서이 기능을하지만 어떻게 swift3.1로 변환 할 "getControlPoint을 (IDX에서 : UnsafeMutablePointer
let timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionDefault)
var point1 = Float(0.0), point2 = Float(0.0)
timingFunction.getControlPoint(at: 1, values: &point1)
timingFunction.getControlPoint(at: 2, values: &point2)
print("\(String(describing: point1)),\(String(describing: point2))")
// 0.25,0.25
어떻게 고칠 수 있습니까? 도움이 필요해. 제발. 코드 인쇄에주의하십시오.