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TCCAAdditions.m
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TCCAAdditions.m
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//
// TCCAAdditions.m
// OrbAvoidance
//
// Created by Joachim Bengtsson on 2009-09-01.
// Copyright 2009 Third Cog Software. All rights reserved.
//
#import "TCCAAdditions.h"
@implementation CALayer (VectorAddition)
-(Vector2*)positionVector;
{
return [Vector2 vectorWithCGPoint:self.position];
}
-(void)setPositionVector:(Vector2*)vector;
{
self.position = vector.CGPoint;
}
@end
@implementation CATransaction (DisableAnimations)
+(void)withoutAnimations:(void (^)())do_;
{
[CATransaction begin];
[CATransaction setValue:(id)kCFBooleanTrue
forKey:kCATransactionDisableActions];
do_();
[CATransaction commit];
}
+(void)withAnimations:(void (^)())do_;
{
[CATransaction begin];
[CATransaction setValue:(id)kCFBooleanFalse
forKey:kCATransactionDisableActions];
do_();
[CATransaction commit];
}
+(void)withAnimationSpeed:(NSTimeInterval)speed :(void (^)())do_;
{
[CATransaction begin];
[CATransaction setValue:[NSNumber numberWithFloat:speed]
forKey:kCATransactionAnimationDuration];
[CATransaction setValue:(id)kCFBooleanFalse
forKey:kCATransactionDisableActions];
do_();
[CATransaction commit];
}
@end
CGRect TCOriginRect(CGRect rect)
{
rect.origin = CGPointMake(0, 0);
return rect;
}