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2014/10/15 ¤U¤È 10:12:53
iphone Programming Glossary: previouslocationiPhone: Tracking/Identifying individual touches http://stackoverflow.com/questions/913086/iphone-tracking-identifying-individual-touches objectAtIndex i NSTimeInterval timestamp touch timestamp CGPoint currentLocation touch locationInView self CGPoint previousLocation touch previousLocationInView self if touch phase UITouchPhaseBegan Finger finger finger.start.x currentLocation.x finger.start.y.. timestamp touch timestamp CGPoint currentLocation touch locationInView self CGPoint previousLocation touch previousLocationInView self if touch phase UITouchPhaseBegan Finger finger finger.start.x currentLocation.x finger.start.y currentLocation.y..
Save OpenGL Drawn item as a Image http://stackoverflow.com/questions/9660723/save-opengl-drawn-item-as-a-image if it exists 0 if it does not exist GLuint depthRenderbuffer GLuint brushTexture CGPoint location CGPoint previousLocation PaintingView.m Handles the start of a touch void touchesBegan NSSet touches withEvent UIEvent event CGRect bounds self bounds.. self anyObject Convert touch point from UIView referential to OpenGL one upside down flip if firstTouch firstTouch NO previousLocation touch previousLocationInView self previousLocation.y bounds.size.height previousLocation.y else location touch locationInView.. touch point from UIView referential to OpenGL one upside down flip if firstTouch firstTouch NO previousLocation touch previousLocationInView self previousLocation.y bounds.size.height previousLocation.y else location touch locationInView self location.y bounds.size.height..
Record the drawing as a m4v video file - OpenGL http://stackoverflow.com/questions/9661259/record-the-drawing-as-a-m4v-video-file-opengl if it exists 0 if it does not exist GLuint depthRenderbuffer GLuint brushTexture CGPoint location CGPoint previousLocation PaintingView.m Handles the start of a touch void touchesBegan NSSet touches withEvent UIEvent event CGRect bounds self bounds.. self anyObject Convert touch point from UIView referential to OpenGL one upside down flip if firstTouch firstTouch NO previousLocation touch previousLocationInView self previousLocation.y bounds.size.height previousLocation.y else location touch locationInView.. touch point from UIView referential to OpenGL one upside down flip if firstTouch firstTouch NO previousLocation touch previousLocationInView self previousLocation.y bounds.size.height previousLocation.y else location touch locationInView self location.y bounds.size.height..
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