1"""
2Sprite Collect Moving and Bouncing Coins
3
4Simple program to show basic sprite usage.
5
6Artwork from http://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_move_bouncing
10"""
11
12import random
13import arcade
14import os
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 Moving and Bouncing Coins Example"
24
25
26class Coin(arcade.Sprite):
27
28 def __init__(self, filename, sprite_scaling):
29
30 super().__init__(filename, sprite_scaling)
31
32 self.change_x = 0
33 self.change_y = 0
34
35 def update(self):
36
37 # Move the coin
38 self.center_x += self.change_x
39 self.center_y += self.change_y
40
41 # If we are out-of-bounds, then 'bounce'
42 if self.left < 0:
43 self.change_x *= -1
44
45 if self.right > SCREEN_WIDTH:
46 self.change_x *= -1
47
48 if self.bottom < 0:
49 self.change_y *= -1
50
51 if self.top > SCREEN_HEIGHT:
52 self.change_y *= -1
53
54
55class MyGame(arcade.Window):
56 """ Our custom Window Class"""
57
58 def __init__(self):
59 """ Initializer """
60 # Call the parent class initializer
61 super().__init__(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_TITLE)
62
63 # Set the working directory (where we expect to find files) to the same
64 # directory this .py file is in. You can leave this out of your own
65 # code, but it is needed to easily run the examples using "python -m"
66 # as mentioned at the top of this program.
67 file_path = os.path.dirname(os.path.abspath(__file__))
68 os.chdir(file_path)
69
70 # Variables that will hold sprite lists
71 self.all_sprites_list = None
72 self.coin_list = None
73
74 # Set up the player info
75 self.player_sprite = None
76 self.score = 0
77
78 # Don't show the mouse cursor
79 self.set_mouse_visible(False)
80
81 arcade.set_background_color(arcade.color.AMAZON)
82
83 def setup(self):
84 """ Set up the game and initialize the variables. """
85
86 # Sprite lists
87 self.all_sprites_list = arcade.SpriteList()
88 self.coin_list = arcade.SpriteList()
89
90 # Score
91 self.score = 0
92
93 # Set up the player
94 # Character image from kenney.nl
95 self.player_sprite = arcade.Sprite(":resources:images/animated_characters/female_person/femalePerson_idle.png", SPRITE_SCALING_PLAYER)
96 self.player_sprite.center_x = 50
97 self.player_sprite.center_y = 50
98 self.all_sprites_list.append(self.player_sprite)
99
100 # Create the coins
101 for i in range(50):
102
103 # Create the coin instance
104 # Coin image from kenney.nl
105 coin = Coin(":resources:images/items/coinGold.png", SPRITE_SCALING_COIN)
106
107 # Position the coin
108 coin.center_x = random.randrange(SCREEN_WIDTH)
109 coin.center_y = random.randrange(SCREEN_HEIGHT)
110 coin.change_x = random.randrange(-3, 4)
111 coin.change_y = random.randrange(-3, 4)
112
113 # Add the coin to the lists
114 self.all_sprites_list.append(coin)
115 self.coin_list.append(coin)
116
117 def on_draw(self):
118 """ Draw everything """
119 arcade.start_render()
120 self.all_sprites_list.draw()
121
122 # Put the text on the screen.
123 output = f"Score: {self.score}"
124 arcade.draw_text(output, 10, 20, arcade.color.WHITE, 14)
125
126 def on_mouse_motion(self, x, y, dx, dy):
127 """ Handle Mouse Motion """
128
129 # Move the center of the player sprite to match the mouse x, y
130 self.player_sprite.center_x = x
131 self.player_sprite.center_y = y
132
133 def on_update(self, delta_time):
134 """ Movement and game logic """
135
136 # Call update on all sprites (The sprites don't do much in this
137 # example though.)
138 self.all_sprites_list.update()
139
140 # Generate a list of all sprites that collided with the player.
141 hit_list = arcade.check_for_collision_with_list(self.player_sprite,
142 self.coin_list)
143
144 # Loop through each colliding sprite, remove it, and add to the score.
145 for coin in hit_list:
146 coin.remove_from_sprite_lists()
147 self.score += 1
148
149
150def main():
151 window = MyGame()
152 window.setup()
153 arcade.run()
154
155
156if __name__ == "__main__":
157 main()