boilerplate

C4WorkSpace.m

@implementation C4WorkSpace

-(void)setup {
    C4Image *table = [C4Image imageNamed:@"C4Table"];
    table.center = self.canvas.center;
    
    C4Image *sky = [C4Image imageNamed:@"C4Sky"];

    [self.canvas addObjects:@[table,sky]];
    
    C4Image *icon = [C4Image imageNamed:@"[email protected]"];
}

@end

@implementation C4WorkSpace

-(void)setup {
    C4Image *table = [C4Image imageNamed:@"C4Table"];
    table.center = self.canvas.center;
    
    C4Image *sky = [C4Image imageNamed:@"C4Sky"];
    sky.width /= 2;
    [table addImage:sky];
    

    [self.canvas addImage:table];
}

@end

@implementation C4WorkSpace

-(void)setup {
    C4Image *table = [C4Image imageNamed:@"C4Table"];
    table.center = self.canvas.center;
    
    C4Image *sky = [C4Image imageNamed:@"C4Sky"];
    
    [table colorInvert];
    [table colorDodge:sky];
    
    [self.canvas addImage:table];
}

@end

@implementation C4WorkSpace {
    C4Image *animated;
}

-(void)setup {
    [C4Image defaultStyle].borderColor = C4BLUE;
    [C4Image defaultStyle].borderWidth = 10.0f;

    NSArray *names = @[
    @"C4Spin01",
    @"C4Spin02",
    @"C4Spin03",
    @"C4Spin04",
    @"C4Spin05",
    @"C4Spin06",
    @"C4Spin07",
    @"C4Spin08",
    @"C4Spin09",
    @"C4Spin10",
    @"C4Spin11"
    ];
    
    animated = [C4Image animatedImageWithNames:names];
    [self.canvas addImage:animated];
    animated.animatedImageDuration = 2.0f;
    animated.center = self.canvas.center;
}

-(void)touchesBegan {
    [animated play];
}
@end

@implementation C4WorkSpace {
    C4Image *pixelImage;
}

-(void)setup {
    pixelImage = [C4Image imageNamed:@"C4Sky"];
    pixelImage.userInteractionEnabled = NO;
    [pixelImage loadPixelData];
    pixelImage.center = self.canvas.center;
    [self.canvas addImage:pixelImage];
}

-(void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event {
    CGPoint p = [[touches anyObject] locationInView:pixelImage];
    UIColor *c = [pixelImage colorAt:p];
    self.canvas.backgroundColor = c;
}
@end

@implementation C4WorkSpace {
    C4Movie *movie;
}

-(void)setup {
    movie = [C4Movie movieNamed:@"inception.mov"];
    movie.center = self.canvas.center;
    [self.canvas addMovie:movie];
    movie.shouldAutoplay = YES;
    movie.loops = YES;
}
//
//-(void)touchesBegan {
//    if(movie.isPlaying) {
//        [movie pause];
//    } else {
//        [movie play];
//    }
//}

-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
    CGPoint p = [[touches anyObject] locationInView:self.canvas];
    CGFloat value = p.x / self.canvas.width;
//    [movie seekToTime:value];
    movie.rate = value;
}
@end

#import "C4WorkSpace.h"

@implementation C4WorkSpace {
    C4Movie *movie;
    C4Shape *s;
    C4GL *gl;
}

-(void)setup {
    movie = [C4Movie movieNamed:@"inception.mov"];
    movie.center = self.canvas.center;
    [self.canvas addMovie:movie];
    movie.shouldAutoplay = YES;
    movie.loops = YES;
    
    s = [C4Shape rect:CGRectMake(0, 0, 200, 200)];
    s.center = self.canvas.center;
    [self.canvas addShape:s];
    s.zPosition = 1;
    gl = [C4GL glWithFrame:s.frame];
    [self.canvas addGL:gl];
    gl.zPosition = 3;
}

-(void)touchesBegan {
    movie.zPosition = 2;
    [gl startAnimation];
}
@end

@implementation C4WorkSpace 
-(void)setup {
    circle = [C4Shape ellipse:CGRectMake(0,0,100,100)];
    [self.canvas addShape:circle];
    
    [self listenFor:@"nobodyListensToMe" andRunMethod:@"thatsBecauseYoureBoring"];
    [self listenFor:@"touchesBegan" andRunMethod:@"thatsBecauseYoureBoring"];
}

-(void)touchesBegan {
    self.canvas.backgroundColor = [UIColor colorWithRed:[C4Math randomInt:100]/100.0f green:0 blue:0 alpha:1];
    [self postNotification:@"nobodyListensToMe"];
}

-(void)thatsBecauseYoureBoring {
    C4Log(@"That's because you're boring");
}

@end

@implementation C4WorkSpace {
    C4Shape *circle;
    MyShape *square;
}

-(void)setup {
    circle = [C4Shape ellipse:CGRectMake(0,0,100,100)];
    [self.canvas addShape:circle];

    square = [[MyShape alloc] initWithFrame:CGRectMake(200,0,100,100)];
    [square rect:square.frame];
    [self.canvas addShape:square];

    [self listenFor:@"My Shape Was Touched" andRunMethod:@"thatsBecauseYoureBoring"];
}

-(void)touchesBegan {
    C4Log(@"touchesBegan");
}

-(void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event {
    CGPoint p = [[touches anyObject] locationInView:self.canvas];
    C4Log(@"%4.2f,%4.2f",p.x,p.y);
}

-(void)touchesMoved {
    C4Log(@"touchesMoved");
}

-(void)touchesEnded {
    C4Log(@"touchesEnded");
}

@end

@implementation C4WorkSpace {
    C4Shape *circle;
    C4Image *image;
}

-(void)setup {
    image = [C4Image imageNamed:@"C4Sky"];
    image.center = self.canvas.center;
    [self.canvas addImage:image];
    
    circle = [C4Shape ellipse:CGRectMake(0, 0, 100, 100)];
    image.mask = circle;
}

-(void)touchesBegan {
    circle.animationDuration = 2.0f;
    circle.animationOptions = REPEAT | AUTOREVERSE | EASEOUT;
    circle.alpha = 0.0f;
    [circle rect:CGRectMake(0, 0, 500, 500)];
}

@end

High five

-(void)setup {
CGFloat circleSize = 10.0f;
CGFloat circleGap = 10.0f;

for(int i = circleSize; i < self.canvas.height; i++) {
    C4Shape *circle = [C4Shape ellipse:CGRectMake((self.canvas.width / 2 - (circleSize/2)), circleGap , circleSize - 5, circleSize)];
    [self.canvas addShape:circle];
    [self runMethod:@"animate:" withObject:circle afterDelay:1.0f];

    circleSize = (circleSize) + 2;
    circleGap = circleSize + circleGap;
}

}

-(void)animate:(C4Shape *)shape {
shape.animationDuration = 5.0f;
shape.animationOptions = LINEAR | REPEAT;
shape.rotationX = TWO_PI;
shape.rotationY = TWO_PI;
}