package controller; import org.apache.logging.log4j.Logger; import org.apache.logging.log4j.LogManager; public class ZickZackController extends EnemyController { protected double g0; protected double dt; protected double lastMod = -1; private static Logger logger = LogManager.getLogger(ZickZackController.class); public ZickZackController(double gameTime, double dt) { super(); this.dt = dt; this.g0 = gameTime; } public void updateObject() { double gameTime = this.getPlayground().getGameTime(); logger.trace("current Object x: "+gameObject.getX()); double mod = (gameTime - this.g0) % this.dt; if (mod < lastMod) { gameObject.setVX(-1.0 * gameObject.getVX()); logger.trace("inverting VX"); } lastMod = mod; super.updateObject(); } }