使用#keyPath CATransform3D密钥路径

Question

是否有可能使用增强的关键路径(如描述在这里与新#keyPath关键字)的CATransform3D财产斯威夫特3？

换句话说就是替换

let scaleAnimation = CABasicAnimation(keyPath: "transform.scale")

喜欢的东西

let scaleAnimation = CABasicAnimation(keyPath:  #keyPath(CALayer.transform.???))

Answer 1

应该使用CAValueFunction.

let scaleAnimation = CABasicAnimation(keyPath: "transform.scale")

- >

let scaleAnimation = CABasicAnimation(keyPath: #keyPath(CALayer.transform))
scaleAnimation.valueFunction = CAValueFunction(name: kCAValueFunctionScale)

和

let rotationAnimation = CABasicAnimation(keyPath: "transform.rotation")

- >

let rotationAnimation = CABasicAnimation(keyPath: #keyPath(CALayer.transform))
rotationAnimation.valueFunction = CAValueFunction(name: kCAValueFunctionRotateZ)

等等

• rotation.x - > kCAValueFunctionRotateX
• rotation.y - > kCAValueFunctionRotateY
• rotation.z - > kCAValueFunctionRotateZ
• rotation - > kCAValueFunctionRotateZ
• scale.x - > kCAValueFunctionScaleX
• scale.y - > kCAValueFunctionScaleY
• scale.z - > kCAValueFunctionScaleZ
• scale - > kCAValueFunctionScale
• translation.x - > kCAValueFunctionTranslateX
• translation.y - > kCAValueFunctionTranslateY
• translation.z - > kCAValueFunctionTranslateZ
• translation - > kCAValueFunctionTranslate