Match Game Scamble (ITP Version) same match game, but written differently so that it's possible to scramble the images easily.

C4Workspace.m

//
//  C4WorkSpace.m
//  Examples
//
//  Created by Greg Debicki.
//

#import "C4WorkSpace.h"

@implementation C4WorkSpace {
    BOOL s0Bool, s1Bool, s2Bool, s3Bool, s4Bool, s5Bool;
    NSMutableArray *shapes, *images, *masks;
}

-(void)setup {
    shapes = [@[] mutableCopy];
    images = [@[] mutableCopy];
    masks = [@[] mutableCopy];
    
    [self setupMasks];
    [self setupImages];
    [self placeImages];
    [self setupShapes];
    [self setupGestures];
    
    [self listenFor:@"touchesBegan" andRunMethod:@"test"];
}

-(void) setupMasks {
    CGRect rect = CGRectMake(0, 0, 150, 150);
    for(int i = 0; i < 6; i ++) {
        C4Shape *m = [C4Shape ellipse:rect];
        [masks addObject:m];
    }
}

-(void) setupImages {
    
    C4Image *i0 = [C4Image imageNamed:@"C4Sky"];
    C4Image *i1 = [C4Image imageNamed:@"C4Sky"];
    C4Image *i2 = [C4Image imageNamed:@"C4Table"];
    C4Image *i3 = [C4Image imageNamed:@"C4Table"];
    C4Image *i4 = [C4Image imageNamed:@"C4Gradient"];
    C4Image *i5 = [C4Image imageNamed:@"C4Gradient"];
    [images addObject:i0];
    [images addObject:i1];
    [images addObject:i2];
    [images addObject:i3];
    [images addObject:i4];
    [images addObject:i5];
    
    
    for (int i = 0; i < 6; i++) {
        C4Image *img = (C4Image *)images[i];
        img.width *= 0.5f;
        
        C4Shape *m = (C4Shape *)masks[i];
        m.center = img.center;
        img.mask = m;
    }
    
}

-(void) placeImages {
    NSInteger count = 0;
    NSInteger order[6] = {2,3,5,0,4,1};
    
    for (int i = 0; i < 2; i++) {
        for (int j = 0; j < 3; j++){
            CGPoint currentCenter = self.canvas.center;
            currentCenter.x -= 200;
            
            currentCenter.x += j * 200;
            currentCenter.y += i * 200;
            C4Image *img = (C4Image *)images[order[count]];
            img.center = currentCenter;
            img.userInteractionEnabled = NO;
            count++;
        }
    }
    [self.canvas addObjects:images];
    
}

-(void) setupShapes {
    CGRect rect = CGRectMake(0, 0, 150, 150);
    
    for(int i = 0; i < 6; i ++) {
        C4Shape *s = [C4Shape ellipse:rect];
        C4Image *img = (C4Image *)images[i];
        s.center = img.center;
        [shapes addObject:s];
    }
    
    [self.canvas addObjects:shapes];
}

-(void) setupGestures {
    
    [self listenFor:@"touchesBegan" fromObject:shapes[0] andRunMethod:@"s0On"];
    [self listenFor:@"touchesBegan" fromObject:shapes[1] andRunMethod:@"s1On"];
    [self listenFor:@"touchesBegan" fromObject:shapes[2] andRunMethod:@"s2On"];
    [self listenFor:@"touchesBegan" fromObject:shapes[3] andRunMethod:@"s3On"];
    [self listenFor:@"touchesBegan" fromObject:shapes[4] andRunMethod:@"s4On"];
    [self listenFor:@"touchesBegan" fromObject:shapes[5] andRunMethod:@"s5On"];
    
}

-(void) test {
    C4Log(@"tsadlkfja");
}

-(void) s0On {
    C4Shape *s = (C4Shape *)shapes[0];
    s.animationDuration = 0.2f;
    s.alpha = 0.0f;
    s0Bool = YES;
    [self runMethod:@"s0Off" afterDelay:1.0f];
}
-(void) s0Off {
    C4Shape *s = (C4Shape *)shapes[0];
    if(s1Bool != YES) {
        s.alpha = 1.0f;
        s0Bool = NO;
    }
    [self runMethod:@"didWin" afterDelay:2.0f];
}
-(void) s1On {
    C4Shape *s = (C4Shape *)shapes[1];
    s.animationDuration = 0.2f;
    s.alpha = 0.0f;
    s1Bool = YES;
    [self runMethod:@"s1Off" afterDelay:1.0f];
}
-(void) s1Off {
    C4Shape *s = (C4Shape *)shapes[1];
    if(s0Bool != YES) {
        s.alpha = 1.0f;
        s1Bool = NO;
    }
    [self runMethod:@"didWin" afterDelay:2.0f];
}



-(void) s2On {
    C4Shape *s = (C4Shape *)shapes[2];
    s.animationDuration = 0.2f;
    s.alpha = 0.0f;
    s2Bool = YES;
    [self runMethod:@"s2Off" afterDelay:1.0f];
}
-(void) s2Off {
    C4Shape *s = (C4Shape *)shapes[2];
    if(s3Bool != YES) {
        s.alpha = 1.0f;
        s2Bool = NO;
    }
    [self runMethod:@"didWin" afterDelay:2.0f];
}
-(void) s3On {
    C4Shape *s = (C4Shape *)shapes[3];
    s.animationDuration = 0.2f;
    s.alpha = 0.0f;
    s3Bool = YES;
    [self runMethod:@"s3Off" afterDelay:1.0f];
}
-(void) s3Off {
    C4Shape *s = (C4Shape *)shapes[3];
    if(s2Bool != YES) {
        s.alpha = 1.0f;
        s3Bool = NO;
    }
    [self runMethod:@"didWin" afterDelay:2.0f];
}


-(void) s4On {
    C4Shape *s = (C4Shape *)shapes[4];
    s.animationDuration = 0.2f;
    s.alpha = 0.0f;
    s4Bool = YES;
    [self runMethod:@"s4Off" afterDelay:1.0f];
}
-(void) s4Off {
    C4Shape *s = (C4Shape *)shapes[4];
    if(s5Bool != YES) {
        s.alpha = 1.0f;
        s4Bool = NO;
    }
    [self runMethod:@"didWin" afterDelay:2.0f];
}
-(void) s5On {
    C4Shape *s = (C4Shape *)shapes[5];
    s.animationDuration = 0.2f;
    s.alpha = 0.0f;
    s5Bool = YES;
    [self runMethod:@"s5Off" afterDelay:1.0f];
}
-(void) s5Off {
    C4Shape *s = (C4Shape *)shapes[5];
    if(s4Bool != YES) {
        s.alpha = 1.0f;
        s5Bool = NO;
    }
    [self runMethod:@"didWin" afterDelay:2.0f];
}



-(void) didWin {
    if (s0Bool==YES && s1Bool==YES && s2Bool==YES &&
        s3Bool==YES && s4Bool==YES && s5Bool==YES) {
        
        for (int i = 0; i < 6; i ++) {
            C4Shape *s = (C4Shape *)shapes[i];
            s.animationDuration = 2.0f;
            s.alpha = 1.0f;
            [shapes replaceObjectAtIndex:i withObject:s];
        }
        
        s0Bool = NO;
        s1Bool = NO;
        s2Bool = NO;
        s3Bool = NO;
        s4Bool = NO;
        s5Bool = NO;
    }
}

@end