From dfe85937942c5d29432c2115f68d0d71366948bf Mon Sep 17 00:00:00 2001
From: Danielle Tear <dmtear@buffalo.edu>
Date: Wed, 21 Feb 2024 15:08:18 -0500
Subject: [PATCH] Completed retro lab.

---
 __pycache__/asteroid.cpython-310.pyc         | Bin 0 -> 812 bytes
 __pycache__/asteroid_spawner.cpython-310.pyc | Bin 0 -> 1057 bytes
 __pycache__/spaceship.cpython-310.pyc        | Bin 0 -> 910 bytes
 asteroid.py                                  |  19 +++++++++++++++++
 asteroid_spawner.py                          |  19 +++++++++++++++++
 nav_game.py                                  |  14 +++++++++++++
 spaceship.py                                 |  21 +++++++++++++++++++
 7 files changed, 73 insertions(+)
 create mode 100644 __pycache__/asteroid.cpython-310.pyc
 create mode 100644 __pycache__/asteroid_spawner.cpython-310.pyc
 create mode 100644 __pycache__/spaceship.cpython-310.pyc

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diff --git a/asteroid.py b/asteroid.py
index 257354b..9eeabcb 100644
--- a/asteroid.py
+++ b/asteroid.py
@@ -2,3 +2,22 @@
 # ------------
 # By MWC Contributors
 # This module defines an asteroid agent class.
+
+class Asteroid:
+    character = 'O'
+
+    def __init__(self, position):
+        self.position = position
+
+    def play_turn(self, game):
+        if game.turn_number % 2 == 0: 
+            x, y = self.position
+            if y == 25 - 1: 
+                game.remove_agent(self)
+            else:
+                ship = game.get_agent_by_name('ship')
+                new_position = (x, y + 1)
+                if new_position == ship.position:
+                    game.end()
+                else:
+                    self.position = new_position
\ No newline at end of file
diff --git a/asteroid_spawner.py b/asteroid_spawner.py
index 92e542d..65eae7f 100644
--- a/asteroid_spawner.py
+++ b/asteroid_spawner.py
@@ -2,3 +2,22 @@
 # -------------------
 # By MWC Contributors
 # This module defines an AsteroidSpawner agent class.
+
+from random import randint
+from asteroid import Asteroid
+
+class AsteroidSpawner:
+    display = False
+
+    def __init__(self, board_size):
+        width, height = board_size
+        self.board_width = width
+
+    def play_turn(self, game):
+        game.state['score'] += 1
+        if self.should_spawn_asteroid(game.turn_number):
+            asteroid = Asteroid((randint(0, self.board_width - 1), 0))
+            game.add_agent(asteroid)
+
+    def should_spawn_asteroid(self, turn_number):
+        return randint(0, 1000) < turn_number
\ No newline at end of file
diff --git a/nav_game.py b/nav_game.py
index 191d83d..68d98e6 100644
--- a/nav_game.py
+++ b/nav_game.py
@@ -2,3 +2,17 @@
 # ------------
 # By MWC Contributors
 # This class implements a simple game where a spaceship avoids asteroids.
+
+from retro.game import Game
+from spaceship import Spaceship
+from asteroid import Asteroid
+
+from retro.game import Game
+from spaceship import Spaceship
+from asteroid_spawner import AsteroidSpawner
+
+board_size = (25, 25)
+ship = Spaceship(board_size)
+spawner = AsteroidSpawner(board_size)
+game = Game([ship, spawner], {"score": 0}, board_size=board_size)
+game.play()
\ No newline at end of file
diff --git a/spaceship.py b/spaceship.py
index 9f3552a..36538a9 100644
--- a/spaceship.py
+++ b/spaceship.py
@@ -2,3 +2,24 @@
 # ------------
 # By MWC Contributors
 # This module defines a spaceship agent class.
+
+class Spaceship:
+    name = "ship"
+    character = '^'
+
+    def __init__(self, board_size):
+        board_width, board_height = board_size
+        self.position = (board_width // 2, board_height - 1)
+
+    def handle_keystroke(self, keystroke, game):
+        x, y = self.position
+        if keystroke.name in ("KEY_LEFT", "KEY_RIGHT"):
+            if keystroke.name == "KEY_LEFT": 
+                new_position = (x - 1, y)
+            else: 
+                new_position = (x + 1, y)
+            if game.on_board(new_position):
+                if game.is_empty(new_position):
+                    self.position = new_position
+                else:
+                    game.end()
\ No newline at end of file