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