# Collect Coins - Mouse¶

sprite_collect_coins.py
  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 """ Sprite Collect Coins Simple program to show basic sprite usage. Artwork from http://kenney.nl """ import random import arcade SPRITE_SCALING = 0.5 SCREEN_WIDTH = 800 SCREEN_HEIGHT = 600 class MyApplication(arcade.Window): """ Main application class. """ def __init__(self, width, height): """ Initializer """ # Call the parent class initializer super().__init__(width, height) # Variables that will hold sprite lists self.all_sprites_list = None self.coin_list = None # Set up the player info self.player_sprite = None self.score = 0 # Text for score self.score_text = None # Set the background color arcade.set_background_color(arcade.color.AMAZON) def setup(self): """ Set up the game and initialize the variables. """ # Sprite lists self.all_sprites_list = arcade.SpriteList() self.coin_list = arcade.SpriteList() # Set up the player self.score = 0 self.player_sprite = arcade.Sprite("images/character.png", SPRITE_SCALING) self.player_sprite.center_x = 50 self.player_sprite.center_y = 50 self.all_sprites_list.append(self.player_sprite) # Don't show the mouse cursor. # This has to happen AFTER the __init__ self.set_mouse_visible(False) for i in range(50): # Create the coin instance coin = arcade.Sprite("images/coin_01.png", SPRITE_SCALING / 3) # Position the coin coin.center_x = random.randrange(SCREEN_WIDTH) coin.center_y = random.randrange(SCREEN_HEIGHT) # Add the coin to the lists self.all_sprites_list.append(coin) self.coin_list.append(coin) def on_draw(self): """ Render the screen. """ # This command has to happen before we start drawing arcade.start_render() # Draw all the sprites. self.player_sprite.draw() self.coin_list.draw() # Put the text on the screen. output = f"Score: {self.score}" # Is this the same text as last frame? If not, set up a new text object if not self.score_text or output != self.score_text.text: self.score_text = arcade.create_text(output, arcade.color.WHITE, 14) # Render the text arcade.render_text(self.score_text, 10, 20) def on_mouse_motion(self, x, y, dx, dy): """ Called whenever the mouse moves. """ self.player_sprite.center_x = x self.player_sprite.center_y = y def update(self, delta_time): """ Movement and game logic """ # Call update on all sprites (The sprites don't do much in this # example though.) self.all_sprites_list.update() # Generate a list of all sprites that collided with the player. hit_list = arcade.check_for_collision_with_list(self.player_sprite, self.coin_list) # Loop through each colliding sprite, remove it, and add to the score. for coin in hit_list: coin.kill() self.score += 1 def main(): """ Main method """ window = MyApplication(SCREEN_WIDTH, SCREEN_HEIGHT) window.setup() arcade.run() if __name__ == "__main__": main()