Cocos2d-iPhone Simple to Check if the Touch Input Was Swipe Down

leothenerd 5:43 pm on January 3, 2010 | Answers: 1    
Tags: input (23), phone (25), swipe (4), touch (33)

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• leothenerd 5:43 pm on January 3, 2010
  

  
  -(BOOL) icWasSwipeDown:(NSSet *)touches :(UIEvent *)event
  {
    
    NSSet *allTouches = [event allTouches];
    
    if(1 != [allTouches count])
      return FALSE;
    
    UITouch *touch = [[allTouches allObjects] objectAtIndex:0];
    
    CGPoint start = [touch previousLocationInView:[touch view]];
    CGPoint end = [touch locationInView:[touch view]];
    start = _icRotateRealWorld(start);
    end = _icRotateRealWorld(end);
    
    if(start.y > end.y)
    {
      return TRUE;
    }
    
    return FALSE;
  }