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2014/10/15 ¤U¤È 10:15:50

iphone Programming Glossary: vieworigin.y

How can I animate the movement of a view or image along a curved path?

http://stackoverflow.com/questions/1142727/how-can-i-animate-the-movement-of-a-view-or-image-along-a-curved-path

image frame.origin from where the animation need to get start CGPoint viewOrigin imageViewForAnimation.frame.origin viewOrigin.y viewOrigin.y imageFrame.size.height 2.0f viewOrigin.x viewOrigin.x imageFrame.size.width 2.0f imageViewForAnimation.frame.. from where the animation need to get start CGPoint viewOrigin imageViewForAnimation.frame.origin viewOrigin.y viewOrigin.y imageFrame.size.height 2.0f viewOrigin.x viewOrigin.x imageFrame.size.width 2.0f imageViewForAnimation.frame imageFrame.. 320 40.0f 480.0f CGMutablePathRef curvedPath CGPathCreateMutable CGPathMoveToPoint curvedPath NULL viewOrigin.x viewOrigin.y CGPathAddCurveToPoint curvedPath NULL endPoint.x viewOrigin.y endPoint.x viewOrigin.y endPoint.x endPoint.y pathAnimation.path..

How do I translate parabolically?

http://stackoverflow.com/questions/1886158/how-do-i-translate-parabolically

480.0f 30.0f 40.0f CGMutablePathRef curvedPath CGPathCreateMutable CGPathMoveToPoint curvedPath NULL viewOrigin.x viewOrigin.y CGPathAddCurveToPoint curvedPath NULL endPoint.x viewOrigin.y endPoint.x viewOrigin.y endPoint.x endPoint.y pathAnimation.path.. CGPathMoveToPoint curvedPath NULL viewOrigin.x viewOrigin.y CGPathAddCurveToPoint curvedPath NULL endPoint.x viewOrigin.y endPoint.x viewOrigin.y endPoint.x endPoint.y pathAnimation.path curvedPath CGPathRelease curvedPath This creates a curve.. curvedPath NULL viewOrigin.x viewOrigin.y CGPathAddCurveToPoint curvedPath NULL endPoint.x viewOrigin.y endPoint.x viewOrigin.y endPoint.x endPoint.y pathAnimation.path curvedPath CGPathRelease curvedPath This creates a curve with two control points..

Move a UIImageView

http://stackoverflow.com/questions/862084/move-a-uiimageview

NO CGMutablePathRef pointPath CGPathCreateMutable CGPathMoveToPoint pointPath NULL viewOrigin.x viewOrigin.y CGPathAddLineToPoint pointPath NULL point1.x point1.y CGPathAddLineToPoint pointPath NULL point2.x point2.y CGPathAddLineToPoint..