Using 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 = 0.5
15COIN_SCALING = 0.25
16
17SCREEN_WIDTH = 1024
18SCREEN_HEIGHT = 600
19SCREEN_TITLE = "Sprite Collect Coins with Background Example"
20
21
22class MyGame(arcade.Window):
23 """
24 Main application class.
25 """
26
27 def __init__(self, width, height, title):
28 """ Initializer """
29
30 # Call the parent class initializer
31 super().__init__(width, height, title)
32
33 # Background image will be stored in this variable
34 self.background = None
35
36 # Variables that will hold sprite lists
37 self.player_list = None
38 self.coin_list = None
39
40 # Set up the player info
41 self.player_sprite = None
42 self.score = 0
43 self.score_text = None
44
45 # Don't show the mouse cursor
46 self.set_mouse_visible(False)
47
48 # Set the background color
49 self.background_color = arcade.color.AMAZON
50
51 def setup(self):
52 """ Set up the game and initialize the variables. """
53
54 # Load the background image. Do this in the setup so we don't keep reloading it all the time.
55 # Image from:
56 # https://wallpaper-gallery.net/single/free-background-images/free-background-images-22.html
57 self.background = arcade.load_texture(":resources:images/backgrounds/abstract_1.jpg")
58
59 # Sprite lists
60 self.player_list = arcade.SpriteList()
61 self.coin_list = arcade.SpriteList()
62
63 # Set up the player
64 self.score = 0
65 self.player_sprite = arcade.Sprite(":resources:images/animated_characters/female_person/femalePerson_idle.png",
66 scale=PLAYER_SCALING)
67 self.player_sprite.center_x = 50
68 self.player_sprite.center_y = 50
69 self.player_list.append(self.player_sprite)
70
71 for i in range(50):
72
73 # Create the coin instance
74 coin = arcade.Sprite(":resources:images/items/coinGold.png", scale=COIN_SCALING)
75
76 # Position the coin
77 coin.center_x = random.randrange(SCREEN_WIDTH)
78 coin.center_y = random.randrange(SCREEN_HEIGHT)
79
80 # Add the coin to the lists
81 self.coin_list.append(coin)
82
83 def on_draw(self):
84 """
85 Render the screen.
86 """
87
88 # This command has to happen before we start drawing
89 self.clear()
90
91 # Draw the background texture
92 arcade.draw_lrwh_rectangle_textured(0, 0,
93 SCREEN_WIDTH, SCREEN_HEIGHT,
94 self.background)
95
96 # Draw all the sprites.
97 self.coin_list.draw()
98 self.player_list.draw()
99
100 # Render the text
101 arcade.draw_text(f"Score: {self.score}", 10, 20, arcade.color.WHITE, 14)
102
103 def on_mouse_motion(self, x, y, dx, dy):
104 """
105 Called whenever the mouse moves.
106 """
107 self.player_sprite.center_x = x
108 self.player_sprite.center_y = y
109
110 def on_update(self, delta_time):
111 """ Movement and game logic """
112
113 # Call update on the coin sprites (The sprites don't do much in this
114 # example though.)
115 self.coin_list.update()
116
117 # Generate a list of all sprites that collided with the player.
118 hit_list = arcade.check_for_collision_with_list(self.player_sprite, self.coin_list)
119
120 # Loop through each colliding sprite, remove it, and add to the score.
121 for coin in hit_list:
122 coin.remove_from_sprite_lists()
123 self.score += 1
124
125
126def main():
127 """ Main function """
128 window = MyGame(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_TITLE)
129 window.setup()
130 arcade.run()
131
132
133if __name__ == "__main__":
134 main()