Sprite Bouncing Coins#
sprite_bouncing_coins.py#
1"""
2Sprite Simple Bouncing
3
4Simple program to show how to bounce items.
5This only works for straight vertical and horizontal angles.
6
7Artwork from https://kenney.nl
8
9If Python and Arcade are installed, this example can be run from the command line with:
10python -m arcade.examples.sprite_bouncing_coins
11"""
12
13from __future__ import annotations
14
15import arcade
16import random
17
18SPRITE_SCALING = 0.5
19
20SCREEN_WIDTH = 832
21SCREEN_HEIGHT = 632
22SCREEN_TITLE = "Sprite Bouncing Coins"
23
24MOVEMENT_SPEED = 5
25
26
27class MyGame(arcade.Window):
28 """ Main application class. """
29
30 def __init__(self, width, height, title):
31 """
32 Initializer
33 """
34 super().__init__(width, height, title)
35
36 # Sprite lists
37 self.coin_list = None
38 self.wall_list = None
39
40 def setup(self):
41 """ Set up the game and initialize the variables. """
42
43 # Sprite lists
44 self.wall_list = arcade.SpriteList()
45 self.coin_list = arcade.SpriteList()
46
47 # -- Set up the walls
48
49 # Create horizontal rows of boxes
50 for x in range(32, SCREEN_WIDTH, 64):
51 # Bottom edge
52 wall = arcade.Sprite(":resources:images/tiles/boxCrate_double.png", scale=SPRITE_SCALING)
53 wall.center_x = x
54 wall.center_y = 32
55 self.wall_list.append(wall)
56
57 # Top edge
58 wall = arcade.Sprite(":resources:images/tiles/boxCrate_double.png", scale=SPRITE_SCALING)
59 wall.center_x = x
60 wall.center_y = SCREEN_HEIGHT - 32
61 self.wall_list.append(wall)
62
63 # Create vertical columns of boxes
64 for y in range(96, SCREEN_HEIGHT, 64):
65 # Left
66 wall = arcade.Sprite(":resources:images/tiles/boxCrate_double.png", scale=SPRITE_SCALING)
67 wall.center_x = 32
68 wall.center_y = y
69 self.wall_list.append(wall)
70
71 # Right
72 wall = arcade.Sprite(":resources:images/tiles/boxCrate_double.png", scale=SPRITE_SCALING)
73 wall.center_x = SCREEN_WIDTH - 32
74 wall.center_y = y
75 self.wall_list.append(wall)
76
77 # Create boxes in the middle
78 for x in range(128, SCREEN_WIDTH, 196):
79 for y in range(128, SCREEN_HEIGHT, 196):
80 wall = arcade.Sprite(":resources:images/tiles/boxCrate_double.png", scale=SPRITE_SCALING)
81 wall.center_x = x
82 wall.center_y = y
83 # wall.angle = 45
84 self.wall_list.append(wall)
85
86 # Create coins
87 for i in range(10):
88 coin = arcade.Sprite(":resources:images/items/coinGold.png", scale=0.25)
89 coin.center_x = random.randrange(100, 700)
90 coin.center_y = random.randrange(100, 500)
91 while coin.change_x == 0 and coin.change_y == 0:
92 coin.change_x = random.randrange(-4, 5)
93 coin.change_y = random.randrange(-4, 5)
94
95 self.coin_list.append(coin)
96
97 # Set the background color
98 self.background_color = arcade.color.AMAZON
99
100 def on_draw(self):
101 """
102 Render the screen.
103 """
104
105 # This command has to happen before we start drawing
106 self.clear()
107
108 # Draw all the sprites.
109 self.wall_list.draw()
110 self.coin_list.draw()
111
112 def on_update(self, delta_time):
113 """ Movement and game logic """
114
115 for coin in self.coin_list:
116
117 coin.center_x += coin.change_x
118 walls_hit = arcade.check_for_collision_with_list(coin, self.wall_list)
119 for wall in walls_hit:
120 if coin.change_x > 0:
121 coin.right = wall.left
122 elif coin.change_x < 0:
123 coin.left = wall.right
124 if len(walls_hit) > 0:
125 coin.change_x *= -1
126
127 coin.center_y += coin.change_y
128 walls_hit = arcade.check_for_collision_with_list(coin, self.wall_list)
129 for wall in walls_hit:
130 if coin.change_y > 0:
131 coin.top = wall.bottom
132 elif coin.change_y < 0:
133 coin.bottom = wall.top
134 if len(walls_hit) > 0:
135 coin.change_y *= -1
136
137
138def main():
139 """ Main function """
140 window = MyGame(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_TITLE)
141 window.setup()
142 arcade.run()
143
144
145if __name__ == "__main__":
146 main()