1 #import <UIKit/UIKit.h>

2 #import <QuartzCore/QuartzCore.h>

3

4 #import "ESRenderer.h"

5

6

7 void show_options(void);

8 void hide_options(void);

9

10

11 // This class wraps the CAEAGLLayer from CoreAnimation into a convenient UIView subclass.

12 // The view content is basically an EAGL surface you render your OpenGL scene into.

13 // Note that setting the view non-opaque will only work if the EAGL surface has an alpha channel.

14 @interface EAGLView : UIView

15 {

16 @private

17 id <ESRenderer> renderer;

18

19 BOOL animating;

20 BOOL displayLinkSupported;

21 NSInteger animationFrameInterval;

22 // Use of the CADisplayLink class is the preferred method for controlling your animation timing.

23 // CADisplayLink will link to the main display and fire every vsync when added to a given run-loop.

24 // The NSTimer class is used only as fallback when running on a pre 3.1 device where CADisplayLink

25 // isn't available.

26 id displayLink;

27 NSTimer *animationTimer;

28 }

29

30 @property (readonly, nonatomic, getter=isAnimating) BOOL animating;

31 @property (nonatomic) NSInteger animationFrameInterval;

32

33 - (void)startAnimation;

34 - (void)stopAnimation;

35 - (void)drawView:(id)sender;

36

37 @end