140 lines
4.1 KiB
Python
140 lines
4.1 KiB
Python
"""
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Sprite Collect Coins with Background
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Simple program to show basic sprite usage.
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Artwork from http://kenney.nl
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If Python and Arcade are installed, this example can be run from the command line with:
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python -m arcade.examples.sprite_collect_coins_background
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"""
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import random
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import arcade
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import os
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SPRITE_SCALING = 0.5
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SCREEN_WIDTH = 1024
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SCREEN_HEIGHT = 600
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SCREEN_TITLE = "Sprite Collect Coins with Background Example"
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class MyGame(arcade.Window):
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"""
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Main application class.
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"""
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def __init__(self, width, height, title):
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""" Initializer """
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# Call the parent class initializer
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super().__init__(width, height, title)
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# Set the working directory (where we expect to find files) to the same
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# directory this .py file is in. You can leave this out of your own
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# code, but it is needed to easily run the examples using "python -m"
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# as mentioned at the top of this program.
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file_path = os.path.dirname(os.path.abspath(__file__))
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os.chdir(file_path)
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# Background image will be stored in this variable
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self.background = None
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# Variables that will hold sprite lists
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self.player_list = None
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self.coin_list = None
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# Set up the player info
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self.player_sprite = None
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self.score = 0
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self.score_text = None
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# Don't show the mouse cursor
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self.set_mouse_visible(False)
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# Set the background color
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arcade.set_background_color(arcade.color.AMAZON)
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def setup(self):
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""" Set up the game and initialize the variables. """
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# Load the background image. Do this in the setup so we don't keep reloading it all the time.
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# Image from:
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# http://wallpaper-gallery.net/single/free-background-images/free-background-images-22.html
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self.background = arcade.load_texture("images/background.jpg")
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# Sprite lists
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self.player_list = arcade.SpriteList()
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self.coin_list = arcade.SpriteList()
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# Set up the player
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self.score = 0
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self.player_sprite = arcade.Sprite("images/character.png", SPRITE_SCALING)
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self.player_sprite.center_x = 50
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self.player_sprite.center_y = 50
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self.player_list.append(self.player_sprite)
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for i in range(50):
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# Create the coin instance
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coin = arcade.Sprite("images/coin_01.png", SPRITE_SCALING / 3)
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# Position the coin
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coin.center_x = random.randrange(SCREEN_WIDTH)
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coin.center_y = random.randrange(SCREEN_HEIGHT)
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# Add the coin to the lists
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self.coin_list.append(coin)
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def on_draw(self):
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"""
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Render the screen.
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"""
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# This command has to happen before we start drawing
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arcade.start_render()
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# Draw the background texture
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arcade.draw_texture_rectangle(SCREEN_WIDTH // 2, SCREEN_HEIGHT // 2,
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SCREEN_WIDTH, SCREEN_HEIGHT, self.background)
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# Draw all the sprites.
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self.coin_list.draw()
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self.player_list.draw()
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# Render the text
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arcade.draw_text(f"Score: {self.score}", 10, 20, arcade.color.WHITE, 14)
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def on_mouse_motion(self, x, y, dx, dy):
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"""
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Called whenever the mouse moves.
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"""
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self.player_sprite.center_x = x
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self.player_sprite.center_y = y
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def update(self, delta_time):
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""" Movement and game logic """
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# Call update on the coin sprites (The sprites don't do much in this
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# example though.)
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self.coin_list.update()
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# Generate a list of all sprites that collided with the player.
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hit_list = arcade.check_for_collision_with_list(self.player_sprite, self.coin_list)
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# Loop through each colliding sprite, remove it, and add to the score.
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for coin in hit_list:
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coin.kill()
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self.score += 1
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def main():
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""" Main method """
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window = MyGame(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_TITLE)
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window.setup()
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arcade.run()
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if __name__ == "__main__":
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main()
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