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Dömötör Gulyás
2010-07-04 17:06:19
Revision ID: dognotdog@gmail.com-20100704150619-3vjoon64s20bvxxw
improved device detection; adds CGPosition animation; adds GLString classes

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source/ElAnimation.m
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- (void) queueAnimation: (ElAnimation*) anim forKey: (id) key atBeginning: (BOOL) atBegin cancelPending: (BOOL) cancelPending;
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- (NSTimeInterval) now;
 
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- (NSTimeInterval) currentTime;
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@end;
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        return [[ElAnimationController sharedController] now];
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}
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+ (NSTimeInterval) currentTime
 
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{
 
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        return [[ElAnimationController sharedController] currentTime];
 
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}
 
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- (void) setStartTime: (NSTimeInterval) time
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{
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        startTime = time;
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@end
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@interface NSObject (ElCGPositionAnimation)
 
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- (void) setPosition: (CGPoint) p;
 
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@end
 
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@implementation ElCGPositionAnimation
 
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- (BOOL) animateForTime: (NSTimeInterval) time delta: (NSTimeInterval) delta
 
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{
 
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        BOOL result = [super animateForTime: time delta: delta];
 
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        double t = fclamp((time - startTime)/duration, 0.0, 1.0);
 
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        CGPoint y = CGPointZero;
 
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        switch (interpolation)
 
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        {
 
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                case kElLinearInterpolation:
 
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                        y.x = linearInterpolation(startPoint.x, endPoint.x, t);
 
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                        y.y = linearInterpolation(startPoint.y, endPoint.y, t);
 
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                        break;
 
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                case kElEaseInInterpolation:
 
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                        y.x = easyInInterpolation(startPoint.x, endPoint.x, t);
 
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                        y.y = easyInInterpolation(startPoint.y, endPoint.y, t);
 
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                        break;
 
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                case kElEaseOutInterpolation:
 
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                        y.x = easyOutInterpolation(startPoint.x, endPoint.x, t);
 
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                        y.y = easyOutInterpolation(startPoint.y, endPoint.y, t);
 
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                        break;
 
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                case kElSmoothInterpolation:
 
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                        y.x = smoothInterpolation(startPoint.x, endPoint.x, t);
 
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                        y.y = smoothInterpolation(startPoint.y, endPoint.y, t);
 
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                        break;
 
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        }
 
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        [target setPosition: y];
 
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        return result;
 
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}
 
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- (void) dealloc
 
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{
 
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        [target release];
 
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        [super dealloc];
 
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}
 
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@synthesize startPoint, endPoint, target;
 
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@end
 
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@implementation ElAnimationController
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