Image and animation processing 4: rotating the wait bar (like an apple)

Handwritten apple-like rotating wait bar, and you can set attributes through parameters, the method is as follows:
-(ID) initwithradius :( float) Aradius color :( uicolor *) acolor timeinterval :( float) ainterval;
Discussion-
Arguments-
Aradius: the length of the half side of an animated square. the center of the square is 0 (0, 0 ).
Region radius
Acolor: The color of small strips.
Ainterval: interval between neighboring small bars
Return Value: uiview type, center at 0 (0, 0)
If necessary, you can make further modifications in the method body.
The effect is similar to that of the Apple wait, but it can be zoomed in and out without distortion.

 Waitingbar2