gistfile1.c

/**
 * This creates random animations by changing the point on the screen the popout should be animating towards
 */
- (void) changeTarget:(ccTime)dt {
    if(isDragging || !isAnimatingRandomly) return;
    // Create random movements
    CGPoint p = self.position;
    float destX = arc4random()%1024;
    float destY = arc4random()%768;
    float isOnX = arc4random()%100;
    if(isOnX>50) {
        // Put on X axis
        if(arc4random()%100 > 50)
            destY = self.boundingBox.size.height/2; // BOTTOM
        else destY = 768-self.boundingBox.size.height/2; // TOP
    }
    else {
        // Put on Y axis
        if(arc4random()%100 > 50)
            destX = self.boundingBox.size.width/2;
        else
            destX = 1024-self.boundingBox.size.width/2-100; // RIGHT
    }
    
    p.x = destX;
    p.y = destY;
    
    id randomMoveAction = [CCMoveTo actionWithDuration:8.0f position:CGPointMake(p.x,p.y)];
    [self runAction:randomMoveAction];
}