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"""
11from __future__ import annotations
12
13import random
14import arcade
15
16PLAYER_SCALING = 0.5
17COIN_SCALING = 0.25
18
19SCREEN_WIDTH = 1024
20SCREEN_HEIGHT = 600
21SCREEN_TITLE = "Sprite Collect Coins with Background Example"
22
23
24class MyGame(arcade.Window):
25 """
26 Main application class.
27 """
28
29 def __init__(self, width, height, title):
30 """ Initializer """
31
32 # Call the parent class initializer
33 super().__init__(width, height, title)
34
35 # Background image will be stored in this variable
36 self.background = None
37
38 # Variables that will hold sprite lists
39 self.player_list = None
40 self.coin_list = None
41
42 # Set up the player info
43 self.player_sprite = None
44 self.score = 0
45 self.score_text = None
46
47 # Don't show the mouse cursor
48 self.set_mouse_visible(False)
49
50 # Set the background color
51 self.background_color = arcade.color.AMAZON
52
53 def setup(self):
54 """ Set up the game and initialize the variables. """
55
56 # Load the background image. Do this in the setup so we don't keep reloading it all the time.
57 # Image from:
58 # https://wallpaper-gallery.net/single/free-background-images/free-background-images-22.html
59 self.background = arcade.load_texture(":resources:images/backgrounds/abstract_1.jpg")
60
61 # Sprite lists
62 self.player_list = arcade.SpriteList()
63 self.coin_list = arcade.SpriteList()
64
65 # Set up the player
66 self.score = 0
67 self.player_sprite = arcade.Sprite(":resources:images/animated_characters/female_person/femalePerson_idle.png",
68 scale=PLAYER_SCALING)
69 self.player_sprite.center_x = 50
70 self.player_sprite.center_y = 50
71 self.player_list.append(self.player_sprite)
72
73 for i in range(50):
74
75 # Create the coin instance
76 coin = arcade.Sprite(":resources:images/items/coinGold.png", scale=COIN_SCALING)
77
78 # Position the coin
79 coin.center_x = random.randrange(SCREEN_WIDTH)
80 coin.center_y = random.randrange(SCREEN_HEIGHT)
81
82 # Add the coin to the lists
83 self.coin_list.append(coin)
84
85 def on_draw(self):
86 """
87 Render the screen.
88 """
89
90 # This command has to happen before we start drawing
91 self.clear()
92
93 # Draw the background texture
94 arcade.draw_lrwh_rectangle_textured(0, 0,
95 SCREEN_WIDTH, SCREEN_HEIGHT,
96 self.background)
97
98 # Draw all the sprites.
99 self.coin_list.draw()
100 self.player_list.draw()
101
102 # Render the text
103 arcade.draw_text(f"Score: {self.score}", 10, 20, arcade.color.WHITE, 14)
104
105 def on_mouse_motion(self, x, y, dx, dy):
106 """
107 Called whenever the mouse moves.
108 """
109 self.player_sprite.center_x = x
110 self.player_sprite.center_y = y
111
112 def on_update(self, delta_time):
113 """ Movement and game logic """
114
115 # Call update on the coin sprites (The sprites don't do much in this
116 # example though.)
117 self.coin_list.update()
118
119 # Generate a list of all sprites that collided with the player.
120 hit_list = arcade.check_for_collision_with_list(self.player_sprite, self.coin_list)
121
122 # Loop through each colliding sprite, remove it, and add to the score.
123 for coin in hit_list:
124 coin.remove_from_sprite_lists()
125 self.score += 1
126
127
128def main():
129 """ Main function """
130 window = MyGame(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_TITLE)
131 window.setup()
132 arcade.run()
133
134
135if __name__ == "__main__":
136 main()