/** * 主函数 * * @param args */ public static void main(String[] args) { TrafficFrame tf = new TrafficFrame("Traffic Demo"); TrafficDemo td = new TrafficDemo(); tf.add(td); tf.createUI(); tf.center(); g2 = (Graphics2D) td.getGraphics(); // 车110 vCar110 = new VerticalCar(g2, td); // 设置车110的属性 if (vCar110 instanceof VerticalCar) { VerticalCar car = (VerticalCar) vCar110; car.setX(508); car.setY(-car.getHeight() / 2); car.setSpeed(60); car.setNorthToSouth(true); } // 车120 vCar120 = new VerticalCar(g2, td); // 设置车120的属性 if (vCar120 instanceof VerticalCar) { VerticalCar car = (VerticalCar) vCar120; car.setX(386); car.setY(TrafficFrame.DEFAULT_HEIGHT + car.getHeight() / 2); car.setSpeed(30); car.setNorthToSouth(false); } // 车119 hCar119 = new HorizontalCar(g2, td); // 设置车119的属性 if (hCar119 instanceof HorizontalCar) { HorizontalCar car = (HorizontalCar) hCar119; car.setX(-car.getWidth() / 2); car.setY(258); car.setSpeed(60); car.setLeftToRight(true); } // 车999 hCar999 = new HorizontalCar(g2, td); // 设置车999的属性 if (hCar999 instanceof HorizontalCar) { HorizontalCar car = (HorizontalCar) hCar999; car.setX(TrafficFrame.DEFAULT_WIDTH + car.getWidth() / 2); car.setY(382); car.setSpeed(30); car.setLeftToRight(false); } // 交通灯 light = new TrafficLight(g2); // 设置交通灯的位置 light.setWidth(36); light.setHeight(36); light.setVerticalRedX(683); light.setVerticalRedY(156); light.setVerticalGreenX(683); light.setVerticalGreenY(206); light.setHorizontalRedX(250); light.setHorizontalRedY(510); light.setHorizontalGreenX(300); light.setHorizontalGreenY(510); light.addObserver((Observer) vCar110); light.addObserver((Observer) vCar120); light.addObserver((Observer) hCar119); light.addObserver((Observer) hCar999); Thread thrVCar110 = new Thread((Runnable) vCar110, "car110"); thrVCar110.start(); Thread thrVCar120 = new Thread((Runnable) vCar120, "car120"); thrVCar120.start(); Thread thrHCar119 = new Thread((Runnable) hCar119, "car119"); thrHCar119.start(); Thread thrHCar999 = new Thread((Runnable) hCar999, "car999"); thrHCar999.start(); Thread thrLight = new Thread((Runnable) light); thrLight.start(); }