iOS - Basic Animation

ios-basic-animation

private func animationGroup(animations:[CAAnimation])->CAAnimationGroup{
        let keyframe = CAAnimationGroup()
        keyframe.animations = animations
        keyframe.duration = 0.7
        keyframe.repeatCount = 0
        keyframe.delegate = self
        return keyframe
    }
    
    private func move(fromValue:CGFloat, toValue:CGFloat)->CABasicAnimation{
        let keyframe = CABasicAnimation(keyPath: "position.x")
        
        keyframe.duration = 0.7
        keyframe.fromValue = fromValue
        keyframe.toValue = toValue
        keyframe.repeatCount = 0
        return keyframe
    }
    
    
    private func rotate(fromValue:CGFloat, toValue:CGFloat)->CABasicAnimation{
        let keyframe = CABasicAnimation(keyPath: "transform.rotation.z")
        keyframe.additive = true;
        keyframe.duration = 0.7
        keyframe.fromValue = fromValue
        keyframe.toValue = toValue
        keyframe.repeatCount = 0
        return keyframe
    }