world.java

J2ME飞机设计游戏,希望对学习J2ME的程序员有所帮助

			newHidingPlane.initCenterXY();
			newHidingPlane.setAction((byte) 0);
			newHidingPlane.setCurrentFrame(-1);

			//screenActors[enemyNo] = newHidingPlane;
			break;
		case 5: // 无人机
			Actor newAircraft = (Actor) plAircraftActorPool.getNextFree();
			newAircraft.initOrbit(enemyFlyData, orbitType);
			
			//screenActors[enemyNo] = newAircraft;
			break;
		case 6: // 船
			Actor newShip = (Actor) shipActorPool.getNextFree();
			newShip.initOrbit(enemyFlyData, orbitType);
			
			//screenActors[enemyNo] = newShip;
			break;
		case 7: // 运输机
			transport.setNotUsed(false);
			transport.initOrbit(enemyFlyData, orbitType);
			break;
		}
	}

	public void doEnemy() {
		changeEnemyState(helicopterActorPool);
		changeEnemyState(scoutPlaneActorPool);
		changeEnemyState(hidingPlaneActorPool);

		if (battlePlane.isInvincible() == false) {
			changeEnemyState(plAircraftActorPool);
		}

		changeEnemyState(largePlaneActorPool);
		if(transport != null){
			transport.changeMyState();
		}
		
		if(gameLevel == 2){
			changeShipEnemyState(shipActorPool);
		}
	}
	
	private void changeShipEnemyState(ObjectPool actorPool) {
		if (actorPool != null) {
			if (actorPool.getUseObjectNum() == 0) {
				return;
			}

			Object[] actors = actorPool.getFreeActor();

			for (int idx = 0; idx < actors.length; idx++) {
				Actor actor = (Actor) actors[idx];

				if (actor.isNotUsed() == true) {
					continue;
				}

				if (isEnemyOutScreen(actor)) {
					//System.out.println("2222222222222222");
					actorPool.releasUsed(actor);
				} else {
					actor.changeMyState();
				}
			}
		}
	}
	
	private void changeEnemyState(ObjectPool actorPool) {
		if (actorPool != null) {
			if (actorPool.getUseObjectNum() == 0) {
				return;
			}

			Object[] actors = actorPool.getFreeActor();

			for (int idx = 0; idx < actors.length; idx++) {
				Actor actor = (Actor) actors[idx];

				if (actor.isNotUsed() == true) {
					continue;
				}

				// 如果向碰撞
				if (battlePlane.getLiftNum() >= 0 && actor.isCollide(battlePlane, actor)) {
					actor.setEnemyLife(actor.getEnemyLife()
							- battlePlane.getBattle_life());

					battlePlane.setBattle_life(battlePlane.getBattle_life() - 50);

					if (battlePlane.getBattle_life() <= 0) {
						Bullet bombEffect = (Bullet) bombEffectPool
								.getNextFree();
						bombEffect.setIPosX(battlePlane.getIPosX());
						bombEffect.setIPosY(battlePlane.getIPosY());
						BattlePlaneActor.PLANESTATE = GameConstant.STATE_GAME_DIE;
					}

					if (actor.getEnemyLife() <= 0) {
						Bullet bombEffect = (Bullet) bombEffectPool
								.getNextFree();
						bombEffect.setIPosX(actor.getIPosX());
						bombEffect.setIPosY(actor.getIPosY());

						BattlePlaneActor.iScore += 50;
						actorPool.releasUsed(actors[idx]);
					}
				} else {
					if (isEnemyOutScreen(actor) || actor.getEnemyLife() <= 0) {
						actorPool.releasUsed(actors[idx]);
					} else {
						actor.changeMyState();
					}
				}
			}
		}
	}
	
	private boolean isEnemyOutScreen(Actor actor) {
		if ((actor.getIPosX() >> 8) < -GameConstant.iACTIVE_RECT
				|| (actor.getIPosX() >> 8) > GameConstant.iSCREEN_WIDTH
						+ GameConstant.iACTIVE_RECT
				|| (actor.getIPosY() >> 8) < -GameConstant.iACTIVE_RECT
				|| (actor.getIPosY() >> 8) > GameConstant.iSCREEN_HEIGHT
						+ GameConstant.iACTIVE_RECT) {
			return true;
		}

		return false;
	}
	
	private void doPlaneWeapon() {
		changePlaneBullet(planeBulletPool);
		
		for (byte weaponIdx = 0; weaponIdx < weaponType.length; weaponIdx++) {
			switch (weaponType[weaponIdx]) {
			case 1: // 大型导弹
				changeBigMissleState(planeBigMisslePool);
				break;
			case 2: // 机枪
				changeMachineGunState(planeMachineGunPool);
				break;
			case 3: // 直射火箭
				changeRocketState(planeRocketPool);
				break;
			case 4: //加速
				changeSpeedState();
				break;
			case 5: // 呼叫僚机
				changeWingState(planeWingPool);
				break;
			case 6: // 大型炸弹
				changeBombState(planeBombPool);
				break;
			}
		}
	}

	private void whichDirection(Bullet bullet) {
		int tan = 0;
		int xSpeed = bullet.getXSpeed();
		int ySpeed = bullet.getYSpeed();
		if (xSpeed != 0) {
			tan = (ySpeed << 8) / xSpeed;
		}

		if (ySpeed > 0 && (tan > 618 || tan <= -618)) {
			// 子弹指向90度方向
			if (bullet.getFumeInterval() % 6 == 0) {
				newBullet(10, bullet.getIPosX() + (4 << 8), bullet.getIPosY()
						+ (17 << 8), 0, -2 << 8);
			}
			
			bullet.setIWidth(3 << 8);
			bullet.setIHeight(17 << 8);
		} else if (ySpeed < 0 && (tan > 618 || tan <= -618)) {
			// 子弹指向270度方向
			if (bullet.getFumeInterval() % 6 == 0) {
				newBullet(10, bullet.getIPosX() + (4 << 8), bullet.getIPosY(),
						0, 2 << 8);
			}
			
			bullet.setIWidth(3 << 8);
			bullet.setIHeight(17 << 8);
		}
		
		if (xSpeed > 0) {
			if (tan > -106 && tan <= 106) {
				// 子弹指向0度方向
				if (bullet.getFumeInterval() % 6 == 0) {
					newBullet(10, bullet.getIPosX(), bullet.getIPosY()
							+ (2 << 8), -2 << 8, 0);
				}
				
				bullet.setIWidth(17 << 8);
				bullet.setIHeight(3 << 8);

			} else if (tan > 106 && tan <= 618) {
				// 子弹指向45度方向
				if (bullet.getFumeInterval() % 6 == 0) {
					newBullet(10, bullet.getIPosX(), bullet.getIPosY()
							+ (13 << 8), Tool.getXSpeedByAngel(45, -2), Tool
							.getYSPeedByAngel(45, -2));
				}
				
				bullet.setIWidth(13 << 8);
				bullet.setIHeight(13 << 8);
				
			} else if (tan > -618 && tan <= -106) {
				// 子弹指向315度方向
				if (bullet.getFumeInterval() % 6 == 0) {
					newBullet(10, bullet.getIPosX(), bullet.getIPosY(), Tool
							.getXSpeedByAngel(315, -2), Tool.getYSPeedByAngel(
							315, -2));
				}
				
				
				bullet.setIWidth(13 << 8);
				bullet.setIHeight(13 << 8);
			}
		}else if (xSpeed < 0) {
			if (tan > -618 && tan <= -106) {
				// 子弹指向135度方向
				if (bullet.getFumeInterval() % 6 == 0) {
					newBullet(10, bullet.getIPosX() + (12 << 8), bullet
							.getIPosY()
							+ (18 << 8), Tool.getXSpeedByAngel(315, 2), Tool
							.getYSPeedByAngel(315, 2));
				}

				bullet.setIWidth(13 << 8);
				bullet.setIHeight(13 << 8);
				
			} else if (tan > -106 && tan <= 106) {
				// 子弹指向180度方向
				if (bullet.getFumeInterval() % 6 == 0) {
					newBullet(10, bullet.getIPosX() + (17 << 8), bullet
							.getIPosY()
							+ (2 << 8), 2 << 8, 0);
				}
				
				bullet.setIWidth(17 << 8);
				bullet.setIHeight(3 << 8);

			} else if (tan > 106 && tan <= 618) {
				// 子弹指向225度方向
				if (bullet.getFumeInterval() % 6 == 0) {
					newBullet(10, bullet.getIPosX() + (13 << 8), bullet
							.getIPosY()
							+ (6 << 8), Tool.getXSpeedByAngel(45, 2), Tool
							.getYSPeedByAngel(45, 2));
				}
				
				bullet.setIWidth(13 << 8);
				bullet.setIHeight(13 << 8);

			}
		}else if(xSpeed ==0){
			if(ySpeed > 0){
				// 子弹指向90度方向
				if (bullet.getFumeInterval() % 6 == 0) {
					newBullet(10, bullet.getIPosX() + (4 << 8), bullet
							.getIPosY()
							+ (17 << 8), 0, -2 << 8);
				}
				
				bullet.setIWidth(3 << 8);
				bullet.setIHeight(17 << 8);
				
			}else if(ySpeed < 0){
				// 子弹指向270度方向
				if (bullet.getFumeInterval() % 6 == 0) {
					newBullet(10, bullet.getIPosX() + (4 << 8), bullet
							.getIPosY(), 0, 2 << 8);
				}
				
				bullet.setIWidth(3 << 8);
				bullet.setIHeight(17 << 8);
			}
		}

		bullet.setFumeInterval(bullet.getFumeInterval() + 1);
	}

	private void changePlaneBullet(ObjectPool objectPool) {
		if (objectPool.getUseObjectNum() == 0) {
			return;
		}

		Object[] bullets = objectPool.getFreeActor();

		for (int idx = 0; idx < bullets.length; idx++) {
			Bullet bullet = (Bullet) bullets[idx];
			if (bullet.isNotUsed() == true) {
				continue;
			}

			if(isCollideInEnemySpirit(helicopterActorPool, bullet)){
				BattlePlaneActor.iScore  += 10;
				objectPool.releasUsed(bullet);
				isCollide = false;
				continue;
			}

			if(isCollideInEnemySpirit(hidingPlaneActorPool, bullet)){
				BattlePlaneActor.iScore  += 10;
				
				//System.out.println("hidingPlane!!!!!!!!");
				objectPool.releasUsed(bullet);
				isCollide = false;
				continue;
			}

			if(isCollideInEnemySpirit(scoutPlaneActorPool, bullet)){
				BattlePlaneActor.iScore  += 10;
				
				//System.out.println("scoutPlane!!!!!!!!");
				objectPool.releasUsed(bullet);
				isCollide = false;
				continue;
			}

			if(isCollideInEnemy(largePlaneActorPool, bullet)){
				BattlePlaneActor.iScore  += 10;
				
				//System.out.println("largePlane!!!!!!!!");
				objectPool.releasUsed(bullet);
				isCollide = false;
				continue;
			}

			if(isCollideInEnemy(plAircraftActorPool, bullet)){
				BattlePlaneActor.iScore  += 10;
				
				//System.out.println("plAircraftActor!!!!!!!!");
				objectPool.releasUsed(bullet);
				isCollide = false;
				continue;
			}

			if(isCollideInEnemy(shipActorPool,bullet)){
				BattlePlaneActor.iScore  += 10;

				//System.out.println("shipActorPool!!!!!!!!");
				objectPool.releasUsed(bullet);
				isCollide = false;
				continue;
			}

			if ((bullet.getIPosY() >> 8) < 0) {
				//System.out.println("release!!!!!!!!!!!");
				objectPool.releasUsed(bullets[idx]);
			}else{
				//System.out.println("222222222222222222222222222222222");
				bullet.changeMyState();
			}
		}
	}

	private void changeBigMissleState(ObjectPool actorPool) {
		if (actorPool.getUseObjectNum() == 0) {
			return;
		}

		Object[] bullets = actorPool.getFreeActor();

		for (int idx = 0; idx < bullets.length; idx++) {
			Bullet bullet = (Bullet) bullets[idx];
			if (bullet.isNotUsed() == true) {
				continue;
			}
			
			if(bullet.getFumeInterval() % 6 == 0){
				newBullet(10, bullet.getIPosX() + (5 << 8), bullet.getIPosY()
						+ (35 << 8), 0, 3 << 8);
			}

			bullet.setFumeInterval(bullet.getFumeInterval() + 1);

			// 它与敌人子弹碰撞
			isCollideInEnemyBullet(helicopterBulletPool, bullet);
			isCollideInEnemyBullet(largePlaneBulletPool, bullet);
			isCollideInEnemyBullet(bossBulletPool, bullet);

			if ((bullet.getIPosY() >> 8) < -4) {
				actorPool.releasUsed(bullets[idx]);
			} else {
				bullet.changeMyState();
			}
		}
	}
	
	private void isCollideInEnemyBullet(ObjectPool objectPool, Bullet bullet) {
		if (objectPool != null) {
			Object[] bullets = objectPool.getFreeActor();

			for (int idx = 0; idx < bullets.length; idx++) {
				
				Bullet enemyBullet = (Bullet) bullets[idx];
				if (enemyBullet.isNotUsed() == true) {
					continue;
				}

				if (enemyBullet.isCollideInLeftTop(bullet, enemyBullet)) {
					objectPool.releasUsed(enemyBullet);
				}
			}
		}
	}
	
	private void changeMachineGunState(ObjectPool objectPool) {
		if (objectPool.getUseObjectNum() == 0) {
			return;
		}

		Object[] bullets = objectPool.getFreeActor();

		for (int idx = 0; idx < bullets.length; idx++) {
			Bullet bullet = (Bullet) bullets[idx];
			if (bullet.isNotUsed() == true) {
				continue;
			}

			if (isCollideInEnemySpirit(helicopterActorPool, bullet)) {
				BattlePlaneActor.iScore += 10;

				objectPool.releasUsed(bullet);
				isCollide = false;
				continue;
			}

			if(isCollideInEnemySpirit(hidingPlaneActorPool, bullet)){
				BattlePlaneActor.iScore  += 10;
				
				//System.out.println("hidingPlane!!!!!!!!");
				objectPool.releasUsed(bullet);
				isCollide = false;
				continue;
			}

			if(isCollideInEnemySpirit(scoutPlaneActorPool, bullet)){
				BattlePlaneActor.iScore  += 10;
				
				//System.out.println("scoutPlane!!!!!!!!");
				objectPool.releasUsed(bullet);
				isCollide = false;
				continue;
			}

			if(isCollideInEnemy(largePlaneActorPool, bullet)){
				BattlePlaneActor.iScore  += 10;
				
				//System.out.println("largePlane!!!!!!!!");
				objectPool.releasUsed(bullet);
				isCollide = false;
				continue;
			}

			if(isCollideInEnemy(plAircraftActorPool, bullet)){
				BattlePlaneActor.iScore  += 10;
				
				//System.out.println("plAircraftActor!!!!!!!!");
				objectPool.releasUsed(bullet);
				isCollide = false;
				continue;
			}

			if(isCollideInEnemy(shipActorPool,bullet)){
				BattlePlaneActor.iScore  += 10;

				//System.out.println("shipActorPool!!!!!!!!");