2014/10/15 下午 10:05:50

iphone Programming Glossary: curved

http://stackoverflow.com/questions/1021801/cgpathref-intersection

For example I am having two paths. One path is the rectangle which is rotated with some angle and the other path is curved path. Two paths origin will be changing frequently. At some point they may intersect. I want to know when they are intersected...

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

can I animate the movement of a view or image along a curved path I am developing a commerce application. When I add an item to the shopping cart I want to create an effect where an.. application. When I add an item to the shopping cart I want to create an effect where an image of the item follows a curved path and ends up at the cart tab. How can I create an animation of an image along a curve like this iphone objective c.. 480.0f 30.0f 40.0f to end animation in last tab use CGPoint endPoint CGPointMake 320 40.0f 480.0f CGMutablePathRef curvedPath CGPathCreateMutable CGPathMoveToPoint curvedPath NULL viewOrigin.x viewOrigin.y CGPathAddCurveToPoint curvedPath NULL..

How do I translate parabolically?

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

translate but not along a line. I want to translate it parabolically. Imagine that I am animating a car moving along a curved road. I know I can set the transform properly to an instance of CGAffineTransform Problem is I have no idea how to create.. pathAnimation.removedOnCompletion NO CGPoint endPoint CGPointMake 480.0f 30.0f 40.0f CGMutablePathRef curvedPath CGPathCreateMutable CGPathMoveToPoint curvedPath NULL viewOrigin.x viewOrigin.y CGPathAddCurveToPoint curvedPath NULL.. NO CGPoint endPoint CGPointMake 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..

Resize and move a UIView with Core Animation (CAKeyFrameAnimation)

http://stackoverflow.com/questions/1887156/resize-and-move-a-uiview-with-core-animation-cakeyframeanimation

path while shrinking it and lowering its opacity in my answer here . This works by using a CAKeyframeAnimation for the curved path that the view follows only animating its position and then using a basic animation to adjust the size of the view's..

How do I detect a touch on a UIBezierPath and move a ball along that?

http://stackoverflow.com/questions/4854035/how-do-i-detect-a-touch-on-a-uibezierpath-and-move-a-ball-along-that

a UIBezierPath. There are numerous answers on SO for example How can I animate the movement of a view or image along a curved path Thirdly Regarding finding out where touches happened if that's what you're asking as Cory said this is a hard problem..

How to move a view along a curved path in iOS

http://stackoverflow.com/questions/5839814/how-to-move-a-view-along-a-curved-path-in-ios

to move a view along a curved path in iOS How to animate move the view in the curve path is it possible to do using UIAnimation. Like moving a view in..

iOS Draw Rectagle with curved ends

http://stackoverflow.com/questions/6553804/ios-draw-rectagle-with-curved-ends

Draw Rectagle with curved ends Imagine a long rectangle maybe with size 200x20 . All sides have straight edges. In my iOS app this is easy for me.. xLoc yLoc 200 20 Now what if I wanted the shorter ends on the left and right side of the rectangle to be slightly curved rather than straight edges. What would the code look like to do this Note that I am relatively inexperienced with CGContext..

Rotate a Sprite on a bezier path with touch - Cocos2D/Box2D

http://stackoverflow.com/questions/7494795/rotate-a-sprite-on-a-bezier-path-with-touch-cocos2d-box2d

Cocos2D Box2D I have an arrow that I rotate with touch. I was wondering if it was possible to rotate the arrow on a curved line I've done some research and I think it is called a bezier path Is it even possible to rotate a sprite on a bezier path..