180 lines
6.8 KiB
Python
180 lines
6.8 KiB
Python
"""
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Move with a Sprite Animation
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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_move_animation
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"""
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import arcade
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import random
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import os
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SCREEN_WIDTH = 800
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SCREEN_HEIGHT = 600
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SCREEN_TITLE = "Move with a Sprite Animation Example"
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COIN_SCALE = 0.5
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COIN_COUNT = 50
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MOVEMENT_SPEED = 5
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class MyGame(arcade.Window):
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""" Main application class. """
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def __init__(self, width, height, title):
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"""
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Initializer
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"""
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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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""" Set up the game and initialize the variables. """
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# 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
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self.score = 0
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self.player = None
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def setup(self):
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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 = arcade.AnimatedWalkingSprite()
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character_scale = 0.75
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self.player.stand_right_textures = []
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self.player.stand_right_textures.append(arcade.load_texture("images/character_sprites/character0.png",
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scale=character_scale))
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self.player.stand_left_textures = []
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self.player.stand_left_textures.append(arcade.load_texture("images/character_sprites/character0.png",
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scale=character_scale, mirrored=True))
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self.player.walk_right_textures = []
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self.player.walk_right_textures.append(arcade.load_texture("images/character_sprites/characterw0.png",
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scale=character_scale))
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self.player.walk_right_textures.append(arcade.load_texture("images/character_sprites/characterw1.png",
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scale=character_scale))
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self.player.walk_right_textures.append(arcade.load_texture("images/character_sprites/characterw2.png",
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scale=character_scale))
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self.player.walk_right_textures.append(arcade.load_texture("images/character_sprites/characterw3.png",
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scale=character_scale))
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self.player.walk_left_textures = []
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self.player.walk_left_textures.append(arcade.load_texture("images/character_sprites/characterw0.png",
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scale=character_scale, mirrored=True))
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self.player.walk_left_textures.append(arcade.load_texture("images/character_sprites/characterw1.png",
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scale=character_scale, mirrored=True))
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self.player.walk_left_textures.append(arcade.load_texture("images/character_sprites/characterw2.png",
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scale=character_scale, mirrored=True))
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self.player.walk_left_textures.append(arcade.load_texture("images/character_sprites/characterw3.png",
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scale=character_scale, mirrored=True))
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self.player.texture_change_distance = 20
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self.player.center_x = SCREEN_WIDTH // 2
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self.player.center_y = SCREEN_HEIGHT // 2
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self.player.scale = 0.8
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self.player_list.append(self.player)
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for i in range(COIN_COUNT):
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coin = arcade.AnimatedTimeSprite(scale=0.5)
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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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coin.textures = []
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coin.textures.append(arcade.load_texture("images/gold_1.png", scale=COIN_SCALE))
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coin.textures.append(arcade.load_texture("images/gold_2.png", scale=COIN_SCALE))
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coin.textures.append(arcade.load_texture("images/gold_3.png", scale=COIN_SCALE))
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coin.textures.append(arcade.load_texture("images/gold_4.png", scale=COIN_SCALE))
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coin.textures.append(arcade.load_texture("images/gold_3.png", scale=COIN_SCALE))
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coin.textures.append(arcade.load_texture("images/gold_2.png", scale=COIN_SCALE))
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coin.cur_texture_index = random.randrange(len(coin.textures))
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self.coin_list.append(coin)
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# Set the background color
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arcade.set_background_color(arcade.color.AMAZON)
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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 all the sprites.
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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_key_press(self, key, modifiers):
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"""
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Called whenever a key is pressed.
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"""
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if key == arcade.key.UP:
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self.player.change_y = MOVEMENT_SPEED
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elif key == arcade.key.DOWN:
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self.player.change_y = -MOVEMENT_SPEED
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elif key == arcade.key.LEFT:
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self.player.change_x = -MOVEMENT_SPEED
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elif key == arcade.key.RIGHT:
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self.player.change_x = MOVEMENT_SPEED
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def on_key_release(self, key, modifiers):
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"""
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Called when the user releases a key.
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"""
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if key == arcade.key.UP or key == arcade.key.DOWN:
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self.player.change_y = 0
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elif key == arcade.key.LEFT or key == arcade.key.RIGHT:
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self.player.change_x = 0
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def update(self, delta_time):
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""" Movement and game logic """
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self.coin_list.update()
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self.coin_list.update_animation()
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self.player_list.update()
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self.player_list.update_animation()
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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, 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.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(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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