if(canMoveDown || canMoveUp){
            if(canMoveDown){
                if(!canMoveUp)
                    stopVert();
                accelerateDown();
            }
            else{
                stopVert();
                if(canMoveUp){
                    if(movingUp)
                        yVel -= 256 * 5;
                }
                else
                    stopVert();
            }
        }
        else
            stopVert();