gistfile1.java

CGPoint touchLocation = CCDirector.sharedDirector().convertToGL(CGPoint.make(ev.getX(), ev.getY()));

            if(touchLocation.x > largestX || touchLocation.x < smallestX) {
                if(!(touchLocation.y > largestY || touchLocation.y < smallestY)) {
                    sprite.setPosition(sprite.getPosition().x, touchLocation.y);
                }
            } else if(touchLocation.y > largestY || touchLocation.y < smallestY) {
                if(!(touchLocation.x > largestX || touchLocation.x < smallestX)) {
                    sprite.setPosition(touchLocation.x, sprite.getPosition().y);
                }
            } else {
                sprite.setPosition(touchLocation.x, touchLocation.y);
            }