Using a Background Image

Screenshot of using sprites to collect coins and a background image
sprite_collect_coins_background.py
  1"""
  2Sprite Collect Coins with Background
  3
  4Simple program to show basic sprite usage.
  5
  6Artwork from https://kenney.nl
  7
  8If Python and Arcade are installed, this example can be run from the command line with:
  9python -m arcade.examples.sprite_collect_coins_background
 10"""
 11import random
 12import arcade
 13
 14PLAYER_SCALING = 0.75
 15COIN_SCALING = 0.4
 16
 17WINDOW_WIDTH = 1280
 18WINDOW_HEIGHT = 720
 19WINDOW_TITLE = "Sprite Collect Coins with Background Example"
 20
 21
 22class GameView(arcade.View):
 23    """
 24    Main application class.
 25    """
 26
 27    def __init__(self):
 28        """ Initializer """
 29
 30        # Call the parent class initializer
 31        super().__init__()
 32
 33        # Background image will be stored in this variable
 34        self.background = arcade.load_texture(":resources:images/backgrounds/abstract_1.jpg")
 35
 36        # Variables that will hold sprite lists
 37        self.player_sprite = arcade.Sprite(
 38            ":resources:images/animated_characters/female_person/femalePerson_idle.png",
 39            scale=PLAYER_SCALING,
 40        )
 41        self.player_list = arcade.SpriteList()
 42        self.player_list.append(self.player_sprite)
 43        self.coin_list = arcade.SpriteList()
 44
 45        # Set up the player info
 46        self.score = 0
 47        self.score_text = arcade.Text("Score: 0", 10, 20, arcade.color.WHITE, 14)
 48
 49        # Don't show the mouse cursor
 50        self.window.set_mouse_visible(False)
 51
 52        # Set the background color
 53        self.background_color = arcade.color.AMAZON
 54
 55    def reset(self):
 56        """Restart the game."""
 57        # Sprite lists
 58        self.coin_list.clear()
 59
 60        # Set up the player
 61        self.score = 0
 62        self.player_sprite.center_x = 50
 63        self.player_sprite.center_y = 50
 64
 65        for i in range(50):
 66            # Create the coin instance
 67            coin = arcade.Sprite(":resources:images/items/coinGold.png", scale=COIN_SCALING)
 68
 69            # Position the coin
 70            coin.center_x = random.randrange(WINDOW_WIDTH)
 71            coin.center_y = random.randrange(WINDOW_HEIGHT)
 72
 73            # Add the coin to the lists
 74            self.coin_list.append(coin)
 75
 76    def on_draw(self):
 77        """
 78        Render the screen.
 79        """
 80
 81        # This command has to happen before we start drawing
 82        self.clear()
 83
 84        # Draw the background texture
 85        arcade.draw_texture_rect(
 86            self.background,
 87            arcade.LBWH(0, 0, WINDOW_WIDTH, WINDOW_HEIGHT),
 88        )
 89
 90        # Draw all the sprites.
 91        self.coin_list.draw()
 92        self.player_list.draw()
 93
 94        # Update the score text and draw it
 95        self.score_text.text = f"Score: {self.score}"
 96        self.score_text.draw()
 97
 98    def on_mouse_motion(self, x, y, dx, dy):
 99        """
100        Called whenever the mouse moves.
101        """
102        self.player_sprite.center_x = x
103        self.player_sprite.center_y = y
104
105    def on_update(self, delta_time):
106        """ Movement and game logic """
107
108        # Call update on the coin sprites (The sprites don't do much in this
109        # example though.)
110        self.coin_list.update()
111
112        # Generate a list of all sprites that collided with the player.
113        hit_list = arcade.check_for_collision_with_list(self.player_sprite, self.coin_list)
114
115        # Loop through each colliding sprite, remove it, and add to the score.
116        for coin in hit_list:
117            coin.remove_from_sprite_lists()
118            self.score += 1
119
120    def on_key_press(self, symbol: int, modifiers: int):
121        if symbol == arcade.key.R:
122            self.reset()
123        elif symbol == arcade.key.ESCAPE:
124            self.window.close()
125
126
127def main():
128    """ Main function """
129    # Create a window class. This is what actually shows up on screen
130    window = arcade.Window(WINDOW_WIDTH, WINDOW_HEIGHT, WINDOW_TITLE)
131
132    # Create and setup the GameView
133    game = GameView()
134    game.reset()
135
136    # Show GameView on screen
137    window.show_view(game)
138
139    # Start the arcade game loop
140    arcade.run()
141
142
143if __name__ == "__main__":
144    main()