added space_wars hackaton game

hackathons/games/space_wars.py

@@ -0,0 +1,183 @@
+import os
+import random
+
+import arcade
+
+from BaseGame import BaseGame
+
+SCREEN_WIDTH = 1200
+SCREEN_HEIGHT = 600
+
+SPRITE_SCALING_PLAYER = 0.2
+SPRITE_SCALING_ENEMY = 0.1
+SPRITE_SCALING_SHOT = 0.08
+
+MOVEMENT_SPEED = 3
+ENEMY_MOVEMENT_SPEED = 120
+ENEMY_SCREEN_SPACING = 40
+
+SHOT_MOVEMENT_SPEED = 200
+
+ENEMY_GENERATION_PROBABILITY = 0.02
+
+GAME_TIME = 20
+
+NAME = "Space wars 3000"
+
+IMG_FOLDER = os.path.join("games", "space_wars_img")  # path changed so that tester.py will se images folder
+
+
+class Game(BaseGame):
+
+    def run(self):
+        game = MyGame(SCREEN_WIDTH, SCREEN_HEIGHT)
+        game.setup()
+        arcade.run()
+        self.add_scores(game.score)
+
+
+class Player(arcade.Sprite):
+    def update(self):
+        self.center_x += self.change_x
+        self.center_y += self.change_y
+
+        if self.left < 0:
+            self.left = 0
+        elif self.right > SCREEN_WIDTH - 1:
+            self.right = SCREEN_WIDTH - 1
+
+        if self.bottom < 0:
+            self.bottom = 0
+        elif self.top > SCREEN_HEIGHT - 1:
+            self.top = SCREEN_HEIGHT - 1
+
+
+class Enemy(arcade.Sprite):
+    def update(self):
+        self.center_x += self.change_x
+        self.center_y += self.change_y
+
+        if self.bottom < 0:
+            self.bottom = 0
+        elif self.top > SCREEN_HEIGHT - 1:
+            self.top = SCREEN_HEIGHT - 1
+
+
+class Shot(arcade.Sprite):
+    def update(self):
+        self.center_x += self.change_x
+        self.center_y += self.change_y
+
+
+class MyGame(arcade.Window):
+    """ Main application class. """
+
+    def __init__(self, width, height):
+        super().__init__(width, height)
+
+        arcade.set_background_color(arcade.color.BLACK)
+        self.background = None
+
+        self.enemy_list = arcade.SpriteList()
+        self.shot_list = arcade.SpriteList()
+
+        self.player_sprite = Player(os.path.join(IMG_FOLDER, "player.png"), SPRITE_SCALING_PLAYER)
+        self.player_sprite.center_x = 150
+        self.player_sprite.center_y = SCREEN_HEIGHT/2
+
+        self.score = 0
+        self.total_time = 0.0
+        self.running = True
+        self.win = False
+
+    def setup(self):
+        self.background = arcade.load_texture(os.path.join(IMG_FOLDER, "background.jpg"))
+
+    def on_draw(self):
+        arcade.start_render()
+        arcade.draw_texture_rectangle(SCREEN_WIDTH // 2, SCREEN_HEIGHT // 2,
+                                      SCREEN_WIDTH, SCREEN_HEIGHT, self.background)
+
+        if self.running:
+
+            self.player_sprite.draw()
+
+            for enemy in self.enemy_list:
+                enemy.draw()
+            for shot in self.shot_list:
+                shot.draw()
+            arcade.draw_text("Score: " + str(self.score), 10, 30, arcade.color.WHITE, 12)
+            arcade.draw_text("Time left: " + str(round(GAME_TIME - self.total_time,1)), 10, 10, arcade.color.WHITE, 12)
+        else:
+            if self.win:
+                arcade.draw_text("YOU WON! Score: " + str(self.score), SCREEN_WIDTH / 2 - 200, SCREEN_HEIGHT / 2, arcade.color.WHITE, 30)
+            else:
+                arcade.draw_text("Game OVER", SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2 - 100, arcade.color.WHITE, 30)
+
+    def update(self, delta_time):
+        if self.running:
+            self.player_sprite.update()
+            for enemy in self.enemy_list:
+                enemy.change_x = - ENEMY_MOVEMENT_SPEED * delta_time
+                enemy.change_y = 0
+
+                enemy.update()
+
+            for shot in self.shot_list:
+                shot.change_x = SHOT_MOVEMENT_SPEED * delta_time
+                shot.change_y = 0
+                shot.update()
+
+            if random.random() < ENEMY_GENERATION_PROBABILITY:
+                enemy_sprite = Enemy(os.path.join(IMG_FOLDER, "enemy.png"), SPRITE_SCALING_ENEMY)
+                self.enemy_list.append(enemy_sprite)
+                enemy_sprite.center_x = SCREEN_WIDTH
+                enemy_sprite.center_y = random.randint(ENEMY_SCREEN_SPACING, SCREEN_HEIGHT-ENEMY_SCREEN_SPACING)
+
+            for enemy in self.enemy_list:
+                for shot in self.shot_list:
+                    if arcade.check_for_collision(enemy, shot):
+                        self.enemy_list.remove(enemy)
+                        self.shot_list.remove(shot)
+                        self.score += 1
+                if enemy.center_x - enemy.width/2 < 0:
+                    self.stop_game()
+
+            self.total_time += delta_time
+            if self.total_time > GAME_TIME:
+                self.win = True
+                self.stop_game()
+
+    def stop_game(self):
+        self.running = False
+
+    def on_key_press(self, key, modifiers):
+        if key == arcade.key.UP:
+            self.player_sprite.change_y = MOVEMENT_SPEED
+        elif key == arcade.key.DOWN:
+            self.player_sprite.change_y = -MOVEMENT_SPEED
+        elif key == arcade.key.LEFT:
+            self.player_sprite.change_x = -MOVEMENT_SPEED
+        elif key == arcade.key.RIGHT:
+            self.player_sprite.change_x = MOVEMENT_SPEED
+        elif key == arcade.key.SPACE:
+            shot_sprite = Shot(os.path.join(IMG_FOLDER, "shot.png"), SPRITE_SCALING_SHOT)
+            shot_sprite.center_x = self.player_sprite.center_x + self.player_sprite.width/2
+            shot_sprite.center_y = self.player_sprite.center_y
+            self.shot_list.append(shot_sprite)
+
+    def on_key_release(self, key, modifiers):
+        if key == arcade.key.UP or key == arcade.key.DOWN:
+            self.player_sprite.change_y = 0
+        elif key == arcade.key.LEFT or key == arcade.key.RIGHT:
+            self.player_sprite.change_x = 0
+
+
+def main():
+    game = MyGame(SCREEN_WIDTH, SCREEN_HEIGHT)
+    game.setup()
+    arcade.run()
+
+
+if __name__ == "__main__":
+    main()