CoreAnimation_Prefix.pch

//
// Prefix header for all source files of the 'CoreAnimation' target in the 'CoreAnimation' project
//
#import <Availability.h>

#ifndef __IPHONE_3_0
#warning "This project uses features only available in iPhone SDK 3.0 and later."
#endif


#ifdef __OBJC__
    #import <Foundation/Foundation.h>
    #import <UIKit/UIKit.h>
	#import <QuartzCore/QuartzCore.h>
#endif

#define DEGREES_TO_RADIANS(d) (d * M_PI / 180)

static CGPoint midPoint(CGRect r) {
    return CGPointMake(CGRectGetMidX(r), CGRectGetMidY(r));
}

static CATransform3D CATransform3DMakePerspective(CGFloat z) {
    CATransform3D t = CATransform3DIdentity;
    t.m34 = - 1.0 / z;
    return t;
}