Shoot Bullets Upwards

sprite_bullets.py
1"""
2Sprite Bullets
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_bullets
10"""
11import random
12import arcade
13
14SPRITE_SCALING_PLAYER = 0.6
15SPRITE_SCALING_COIN = 0.4
16SPRITE_SCALING_LASER = 0.8
17COIN_COUNT = 50
18
19WINDOW_WIDTH = 1280
20WINDOW_HEIGHT = 720
21WINDOW_TITLE = "Sprites and Bullets Example"
22
23BULLET_SPEED = 5
24
25
26class GameView(arcade.View):
27 """ Main application class. """
28
29 def __init__(self):
30 """ Initializer """
31 # Call the parent class initializer
32 super().__init__()
33
34 # Variables that will hold sprite lists
35 self.player_list = None
36 self.coin_list = None
37 self.bullet_list = None
38
39 # Set up the player info
40 self.player_sprite = None
41 self.score = 0
42
43 # Don't show the mouse cursor
44 self.window.set_mouse_visible(False)
45
46 # Load sounds. Sounds from kenney.nl
47 self.gun_sound = arcade.load_sound(":resources:sounds/hurt5.wav")
48 self.hit_sound = arcade.load_sound(":resources:sounds/hit5.wav")
49
50 self.background_color = arcade.color.AMAZON
51
52 def setup(self):
53
54 """ Set up the game and initialize the variables. """
55
56 # Sprite lists
57 self.player_list = arcade.SpriteList()
58 self.coin_list = arcade.SpriteList()
59 self.bullet_list = arcade.SpriteList()
60
61 # Set up the player
62 self.score = 0
63
64 # Image from kenney.nl
65 self.player_sprite = arcade.Sprite(
66 ":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 = 70
70 self.player_list.append(self.player_sprite)
71
72 # Create the coins
73 for i in range(COIN_COUNT):
74
75 # Create the coin instance
76 # Coin image from kenney.nl
77 coin = arcade.Sprite(
78 ":resources:images/items/coinGold.png",
79 scale=SPRITE_SCALING_COIN,
80 )
81
82 # Position the coin
83 coin.center_x = random.randrange(WINDOW_WIDTH)
84 coin.center_y = random.randrange(120, WINDOW_HEIGHT)
85
86 # Add the coin to the lists
87 self.coin_list.append(coin)
88
89 # Set the background color
90 self.background_color = arcade.color.AMAZON
91
92 def on_draw(self):
93 """
94 Render the screen.
95 """
96
97 # This command has to happen before we start drawing
98 self.clear()
99
100 # Draw all the sprites.
101 self.coin_list.draw()
102 self.bullet_list.draw()
103 self.player_list.draw()
104
105 # Render the text
106 arcade.draw_text(f"Score: {self.score}", 10, 20, arcade.color.WHITE, 14)
107
108 def on_mouse_motion(self, x, y, dx, dy):
109 """
110 Called whenever the mouse moves.
111 """
112 self.player_sprite.center_x = x
113
114 def on_mouse_press(self, x, y, button, modifiers):
115 """
116 Called whenever the mouse button is clicked.
117 """
118 # Gunshot sound
119 arcade.play_sound(self.gun_sound)
120 # Create a bullet
121 bullet = arcade.Sprite(
122 ":resources:images/space_shooter/laserBlue01.png",
123 scale=SPRITE_SCALING_LASER,
124 )
125
126 # The image points to the right, and we want it to point up. So
127 # rotate it.
128 bullet.angle = -90
129
130 # Give the bullet a speed
131 bullet.change_y = BULLET_SPEED
132
133 # Position the bullet
134 bullet.center_x = self.player_sprite.center_x
135 bullet.bottom = self.player_sprite.top
136
137 # Add the bullet to the appropriate lists
138 self.bullet_list.append(bullet)
139
140 def on_update(self, delta_time):
141 """ Movement and game logic """
142
143 # Call update on bullet sprites
144 self.bullet_list.update()
145
146 # Loop through each bullet
147 for bullet in self.bullet_list:
148
149 # Check this bullet to see if it hit a coin
150 hit_list = arcade.check_for_collision_with_list(bullet, self.coin_list)
151
152 # If it did, get rid of the bullet
153 if len(hit_list) > 0:
154 bullet.remove_from_sprite_lists()
155
156 # For every coin we hit, add to the score and remove the coin
157 for coin in hit_list:
158 coin.remove_from_sprite_lists()
159 self.score += 1
160
161 # Hit Sound
162 arcade.play_sound(self.hit_sound)
163
164 # If the bullet flies off-screen, remove it.
165 if bullet.bottom > WINDOW_HEIGHT:
166 bullet.remove_from_sprite_lists()
167
168
169def main():
170 """ Main function """
171 # Create a window class. This is what actually shows up on screen
172 window = arcade.Window(WINDOW_WIDTH, WINDOW_HEIGHT, WINDOW_TITLE)
173
174 # Create and setup the GameView
175 game = GameView()
176 game.setup()
177
178 # Show GameView on screen
179 window.show_view(game)
180
181 # Start the arcade game loop
182 arcade.run()
183
184
185if __name__ == "__main__":
186 main()