109 lines
2.9 KiB
Python
109 lines
2.9 KiB
Python
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""" Sprite Sample Program """
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import random
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import arcade
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# --- Constants ---
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SPRITE_SCALING_PLAYER = 0.5
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SPRITE_SCALING_COIN = 0.2
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COIN_COUNT = 50
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SCREEN_WIDTH = 800
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SCREEN_HEIGHT = 600
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class MyGame(arcade.Window):
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""" Our custom Window Class"""
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def __init__(self):
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""" Initializer """
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# Call the parent class initializer
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super().__init__(SCREEN_WIDTH, SCREEN_HEIGHT, "Sprite Example")
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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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# Don't show the mouse cursor
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self.set_mouse_visible(False)
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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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# Sprite lists
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self.player_list = arcade.SpriteList()
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self.coin_list = arcade.SpriteList()
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# Score
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self.score = 0
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# Set up the player
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# Character image from kenney.nl
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self.player_sprite = arcade.Sprite("character.png", SPRITE_SCALING_PLAYER)
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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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# Create the coins
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for i in range(COIN_COUNT):
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# Create the coin instance
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# Coin image from kenney.nl
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coin = arcade.Sprite("coin_01.png", SPRITE_SCALING_COIN)
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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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""" Draw everything """
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self.clear()
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self.coin_list.draw()
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self.player_list.draw()
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# Put the text on the screen.
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output = f"Score: {self.score}"
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arcade.draw_text(output, 10, 20, arcade.color.WHITE, 14)
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def on_mouse_motion(self, x, y, dx, dy):
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""" Handle Mouse Motion """
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# Move the center of the player sprite to match the mouse x, y
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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 on_update(self, delta_time):
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""" Movement and game logic """
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# Call update on all 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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coins_hit_list = arcade.check_for_collision_with_list(self.player_sprite,
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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 coins_hit_list:
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coin.remove_from_sprite_lists()
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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()
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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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