Animated Sprites#
1"""
2Sprite Collect Rotating Coins
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_rotating
10"""
11from __future__ import annotations
12
13import random
14import arcade
15
16# --- Constants ---
17SPRITE_SCALING_PLAYER = 0.5
18SPRITE_SCALING_COIN = 0.2
19COIN_COUNT = 50
20
21SCREEN_WIDTH = 800
22SCREEN_HEIGHT = 600
23SCREEN_TITLE = "Sprite Collect Rotating Coins Example"
24
25
26class Coin(arcade.Sprite):
27
28 def update(self):
29 # Rotate the coin.
30 # The arcade.Sprite class has an "angle" attribute that controls
31 # the sprite rotation. Change this, and the sprite rotates.
32 self.angle += self.change_angle
33
34
35class MyGame(arcade.Window):
36 """ Our custom Window Class"""
37
38 def __init__(self):
39 """ Initializer """
40 # Call the parent class initializer
41 super().__init__(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_TITLE)
42
43 # Variables that will hold sprite lists
44 self.player_list = None
45 self.coin_list = None
46
47 # Set up the player info
48 self.player_sprite = None
49 self.score = 0
50
51 # Don't show the mouse cursor
52 self.set_mouse_visible(False)
53
54 self.background_color = arcade.color.AMAZON
55
56 def setup(self):
57 """ Set up the game and initialize the variables. """
58
59 # Sprite lists
60 self.player_list = arcade.SpriteList()
61 self.coin_list = arcade.SpriteList()
62
63 # Score
64 self.score = 0
65
66 # Set up the player
67 # Character image from kenney.nl
68 self.player_sprite = arcade.Sprite(":resources:images/animated_characters/female_person/femalePerson_idle.png",
69 scale=SPRITE_SCALING_PLAYER)
70 self.player_sprite.center_x = 50
71 self.player_sprite.center_y = 50
72 self.player_list.append(self.player_sprite)
73
74 # Create the coins
75 for i in range(COIN_COUNT):
76 # Create the coin instance
77 # Coin image from kenney.nl
78 coin = arcade.Sprite(":resources:images/items/coinGold.png", scale=SPRITE_SCALING_COIN)
79
80 # Position the coin
81 coin.center_x = random.randrange(SCREEN_WIDTH)
82 coin.center_y = random.randrange(SCREEN_HEIGHT)
83
84 # Set up the initial angle, and the "spin"
85 coin.angle = random.randrange(360)
86 coin.change_angle = random.randrange(-5, 6)
87
88 # Add the coin to the lists
89 self.coin_list.append(coin)
90
91 def on_draw(self):
92 """ Draw everything """
93 self.clear()
94 self.coin_list.draw()
95 self.player_list.draw()
96
97 # Put the text on the screen.
98 output = f"Score: {self.score}"
99 arcade.draw_text(output, 10, 20, arcade.color.WHITE, 14)
100
101 def on_mouse_motion(self, x, y, dx, dy):
102 """ Handle Mouse Motion """
103
104 # Move the center of the player sprite to match the mouse x, y
105 self.player_sprite.center_x = x
106 self.player_sprite.center_y = y
107
108 def on_update(self, delta_time):
109 """ Movement and game logic """
110
111 # Call update on all sprites (The sprites don't do much in this
112 # example though.)
113 self.coin_list.update()
114
115 # Generate a list of all sprites that collided with the player.
116 hit_list = arcade.check_for_collision_with_list(self.player_sprite, self.coin_list)
117
118 # Loop through each colliding sprite, remove it, and add to the score.
119 for coin in hit_list:
120 coin.remove_from_sprite_lists()
121 self.score += 1
122
123
124def main():
125 """ Main function """
126 window = MyGame()
127 window.setup()
128 arcade.run()
129
130
131if __name__ == "__main__":
132 main()