spaceRainvaders.java

class Rain {

	static Random rnd = new Random();
	static int yy = 10;
	static int enemySize = 16;
	static ArrayList<Object> rain = new ArrayList<Object>();
	static Object[] enemies = { Toolkit.getDefaultToolkit().getImage("dollar.png"), //0
						        Toolkit.getDefaultToolkit().getImage("rock.png"),   //1
						        Toolkit.getDefaultToolkit().getImage("rock.png"),   //2
						        Toolkit.getDefaultToolkit().getImage("rock.png"),   //3
						        Toolkit.getDefaultToolkit().getImage("rock.png"),   //4
						        Toolkit.getDefaultToolkit().getImage("rock.png"),   //5
						        Toolkit.getDefaultToolkit().getImage("rock.png"),   //6
						        Toolkit.getDefaultToolkit().getImage("rock.png"),   //7
	                            Toolkit.getDefaultToolkit().getImage("enemy2.png"),   //8
	                            Toolkit.getDefaultToolkit().getImage("enemy2.png"),   //9
	                            Toolkit.getDefaultToolkit().getImage("enemy3.png"),   //10
	                            Toolkit.getDefaultToolkit().getImage("enemy3.png"),   //11
	                            Toolkit.getDefaultToolkit().getImage("enemy4.png"),   //12
								Toolkit.getDefaultToolkit().getImage("enemy4.png"),};   //13
	

	private static boolean collisionCheck(Object rockX, Object rockY, int spaceshipx,int spaceshipy,Object enemySize) 
	{
		if ((spaceshipx >= (int)rockX && spaceshipx <= (int)rockX + (int)enemySize)
				&& (spaceshipy >= (int)rockY && spaceshipy <= (int)rockY + (int)enemySize)) {
			return true;
		}
		return false;
	}

	static void draw(Graphics g) throws InterruptedException {

		if (rain.size() < 80) {
			rain.add(yy);   // 1. add y
			yy -= 20;
			rain.add(rnd.nextInt(490));  // 2. add x
			enemySize = rnd.nextInt(enemies.length);
			rain.add(enemies[enemySize]);  // 3. add enemy
			rain.add(getEnemySize(enemySize));      //4. TODO add size for collisionChecks
			//rain.add(Toolkit.getDefaultToolkit().getImage("rock.png"));

		}
		for (int i = 0; i < rain.size(); i += 4) {
			g.drawImage((Image)rain.get(i + 2), (int) rain.get(i + 1), (int) rain.get(i), null);
			rain.set(i, ((int) rain.get(i)) + 2);
			
			if ((int) rain.get(i) >= 490) {
				rain.set(i, 10);
				rain.set(i + 1, rnd.nextInt(490));
			} else {				
				collisionObjectSetter(i, rain);
			}

		}
		try {
			Thread.sleep(0, 1);
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
	}

	private static int getEnemySize(int num) 
	{
		if (num >= 0 && num <= 7) 
		{
			return 16;
		}
		else if (num >= 8 && num <= 11) 
		{
			return 32;
		}
		else if (num >= 12 && num <= 13) 
		{
			return 64;
		}
		return 0;
	}

	private static void collisionObjectSetter(int i, ArrayList<Object> rain) {
	//  spaceship checks are below
		if (collisionCheck(rain.get(i + 1),rain.get(i),GameRun.myX, GameRun.myY + 18, rain.get(i+3))) 
		{
			GameRun.player1 = false;
		} else if (collisionCheck(rain.get(i + 1),	rain.get(i), GameRun.myX + 17, GameRun.myY, rain.get(i+3))) 
		{
			GameRun.player1 = false;
		} else if (collisionCheck(rain.get(i + 1), rain.get(i), GameRun.myX + 32, GameRun.myY + 18, rain.get(i+3))) 
		{
			GameRun.player1 = false;
		} else if (collisionCheck(rain.get(i + 1), rain.get(i), GameRun.myX + 17, GameRun.myY + 43, rain.get(i+3))) 
		{
			GameRun.player1 = false;
		} else if (collisionCheck(rain.get(i + 1), rain.get(i), GameRun.myX + 3, GameRun.myY + 35, rain.get(i+3)))
		{
			GameRun.player1 = false;
		} else if (collisionCheck(rain.get(i + 1), rain.get(i), GameRun.myX + 31, GameRun.myY + 35, rain.get(i+3)))
		{
			GameRun.player1 = false;
		}
		
		//  spaceship2 checks are below
		if (collisionCheck(rain.get(i + 1),rain.get(i),GameRun.myX2, GameRun.myY2 + 18, rain.get(i+3))) 
		{
			GameRun.player2 = false;
		} 
		else if (collisionCheck(rain.get(i + 1), rain.get(i), GameRun.myX2 + 17, GameRun.myY2, rain.get(i+3))) 
		{
			GameRun.player2 = false;
		} 
		else if (collisionCheck(rain.get(i + 1), rain.get(i), GameRun.myX2 + 32, GameRun.myY2 + 18, rain.get(i+3))) 
		{
			GameRun.player2 = false;
		} 
		else if (collisionCheck(rain.get(i + 1), rain.get(i), GameRun.myX2 + 17, GameRun.myY2 + 43, rain.get(i+3))) 
		{
			GameRun.player2 = false;
		} 
		else if (collisionCheck(rain.get(i + 1), rain.get(i), GameRun.myX2 + 3, GameRun.myY2 + 35, rain.get(i+3)))
		{
			GameRun.player2 = false;
		} 
		else if (collisionCheck(rain.get(i + 1), rain.get(i), GameRun.myX2 + 31, GameRun.myY2 + 35, rain.get(i+3)))
		{
			GameRun.player2 = false;
		}
		
	}

	void update() {

	}

}