Swipes Tutorial

C4WorkSpace.m

//
//  C4WorkSpace.m
//  Swipes Tutorial
//
//  Created by Travis Kirton.
//

#import "C4WorkSpace.h"

@implementation C4WorkSpace {
    NSDictionary *allGestures;
    C4Label *swipeDirection;
    C4Timer *resetTimer;
}

-(void)setup {
    C4Font *font = [C4Font fontWithName:@"Helvetica" size:96];
    
    swipeDirection = [C4Label labelWithText:@"Swipe Me" font:font];
    [swipeDirection sizeToFit];
    swipeDirection.textAlignment = ALIGNTEXTCENTER;
    swipeDirection.center = self.canvas.center;
    swipeDirection.userInteractionEnabled = NO;
    [self.canvas addLabel:swipeDirection];
    
    [self addGesture:SWIPEDOWN name:@"down" action:@"swipedDown"];
    [self addGesture:SWIPELEFT name:@"left" action:@"swipedLeft"];
    [self addGesture:SWIPERIGHT name:@"right" action:@"swipedRight"];
    [self addGesture:SWIPEUP name:@"up" action:@"swipedUp"];
}

-(void)swipedDown {
    [self updateLabelWithText:@"DOWN"];
}

-(void)swipedLeft {
    [self updateLabelWithText:@"LEFT"];
}

-(void)swipedRight {
    [self updateLabelWithText:@"RIGHT"];
}

-(void)swipedUp {
    [self updateLabelWithText:@"UP"];
}

-(void)resetLabel {
    swipeDirection.text = @"Swipe Me";
    [swipeDirection sizeToFit];
    swipeDirection.center = self.canvas.center;
}

-(void)updateLabelWithText:(NSString *)newLabelText {
    swipeDirection.text = newLabelText;
    [swipeDirection sizeToFit];
    swipeDirection.center = self.canvas.center;
    [resetTimer invalidate];
    resetTimer = [C4Timer automaticTimerWithInterval:2.0f target:self method:@"resetLabel" repeats:NO];
}

@end