pymunk_demo_platformer_03.py Full Listing

pymunk_demo_platformer_03.py
 1"""
 2Example of Pymunk Physics Engine Platformer
 3"""
 4import math
 5from typing import Optional
 6import arcade
 7
 8SCREEN_TITLE = "PyMunk Platformer"
 9
10# How big are our image tiles?
11SPRITE_IMAGE_SIZE = 128
12
13# Scale sprites up or down
14SPRITE_SCALING_PLAYER = 0.5
15SPRITE_SCALING_TILES = 0.5
16
17# Scaled sprite size for tiles
18SPRITE_SIZE = int(SPRITE_IMAGE_SIZE * SPRITE_SCALING_PLAYER)
19
20# Size of grid to show on screen, in number of tiles
21SCREEN_GRID_WIDTH = 25
22SCREEN_GRID_HEIGHT = 15
23
24# Size of screen to show, in pixels
25SCREEN_WIDTH = SPRITE_SIZE * SCREEN_GRID_WIDTH
26SCREEN_HEIGHT = SPRITE_SIZE * SCREEN_GRID_HEIGHT
27
28
29class GameWindow(arcade.Window):
30    """ Main Window """
31
32    def __init__(self, width, height, title):
33        """ Create the variables """
34
35        # Init the parent class
36        super().__init__(width, height, title)
37
38        # Player sprite
39        self.player_sprite: Optional[arcade.Sprite] = None
40
41        # Sprite lists we need
42        self.player_list: Optional[arcade.SpriteList] = None
43        self.wall_list: Optional[arcade.SpriteList] = None
44        self.bullet_list: Optional[arcade.SpriteList] = None
45        self.item_list: Optional[arcade.SpriteList] = None
46
47        # Track the current state of what key is pressed
48        self.left_pressed: bool = False
49        self.right_pressed: bool = False
50
51        # Set background color
52        self.background_color = arcade.color.AMAZON
53
54    def setup(self):
55        """ Set up everything with the game """
56        pass
57
58    def on_key_press(self, key, modifiers):
59        """Called whenever a key is pressed. """
60        pass
61
62    def on_key_release(self, key, modifiers):
63        """Called when the user releases a key. """
64        pass
65
66    def on_update(self, delta_time):
67        """ Movement and game logic """
68        pass
69
70    def on_draw(self):
71        """ Draw everything """
72        self.clear()
73
74
75def main():
76    """ Main function """
77    window = GameWindow(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_TITLE)
78    window.setup()
79    arcade.run()
80
81
82if __name__ == "__main__":
83    main()