@Override
	public void setupEnemies() {
        
        int enemy1_row_size = 2; 
        int enemy2_row_size = 2;
        int enemy3_row_size = 2;
        
        enemies_row_size = enemy1_row_size + enemy2_row_size + enemy3_row_size;
        
        enemies_col_size =10;
        
        enemies_size = enemies_row_size * enemies_col_size;
        
        enemies = new Enemy[10][6];
        for (int i = 0; i < enemies_col_size; i++) {
            for (int j = 0; j < enemy1_row_size; j++) {
                 
                enemies[i][j] = new Enemy1();
                enemies[i][j].setPosition(40 + i * 40, 56 + j * 40);
                enemies[i][j].setRight(true);
            }
            for (int k = enemy1_row_size; k < enemy1_row_size+enemy2_row_size; k++) {
                enemies[i][k] = new Enemy2();
                enemies[i][k].setPosition(40 + i * 40, 56 + k * 40);
                enemies[i][k].setRight(true);
            }
            for (int k = enemy1_row_size + enemy2_row_size; k < enemy1_row_size+enemy2_row_size+enemy3_row_size; k++) {
                enemies[i][k] = new Enemy3();
                enemies[i][k].setPosition(40 + i * 40, 56 + k * 40);
                enemies[i][k].setRight(true);
            }
        }

        for (int i = 0; i < enemies_col_size; i++) {
            enemies[i][enemies_row_size - 1].setFirst();
        }
    }