153 lines
4.5 KiB
Python
153 lines
4.5 KiB
Python
"""
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Sprite Simple Bouncing
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Simple program to show how to bounce items.
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This only works for straight vertical and horizontal angles.
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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_bouncing_coins
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"""
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import arcade
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import os
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import random
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SPRITE_SCALING = 0.5
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SCREEN_WIDTH = 832
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SCREEN_HEIGHT = 632
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SCREEN_TITLE = "Sprite Bouncing Coins"
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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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# Sprite lists
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self.coin_list = None
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self.wall_list = None
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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.wall_list = arcade.SpriteList()
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self.coin_list = arcade.SpriteList()
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# -- Set up the walls
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# Create horizontal rows of boxes
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for x in range(32, SCREEN_WIDTH, 64):
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# Bottom edge
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wall = arcade.Sprite("images/boxCrate_double.png", SPRITE_SCALING)
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wall.center_x = x
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wall.center_y = 32
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self.wall_list.append(wall)
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# Top edge
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wall = arcade.Sprite("images/boxCrate_double.png", SPRITE_SCALING)
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wall.center_x = x
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wall.center_y = SCREEN_HEIGHT - 32
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self.wall_list.append(wall)
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# Create vertical columns of boxes
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for y in range(96, SCREEN_HEIGHT, 64):
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# Left
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wall = arcade.Sprite("images/boxCrate_double.png", SPRITE_SCALING)
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wall.center_x = 32
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wall.center_y = y
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self.wall_list.append(wall)
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# Right
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wall = arcade.Sprite("images/boxCrate_double.png", SPRITE_SCALING)
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wall.center_x = SCREEN_WIDTH - 32
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wall.center_y = y
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self.wall_list.append(wall)
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# Create boxes in the middle
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for x in range(128, SCREEN_WIDTH, 196):
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for y in range(128, SCREEN_HEIGHT, 196):
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wall = arcade.Sprite("images/boxCrate_double.png", SPRITE_SCALING)
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wall.center_x = x
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wall.center_y = y
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# wall.angle = 45
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self.wall_list.append(wall)
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# Create coins
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for i in range(10):
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coin = arcade.Sprite("images/coin_01.png", 0.25)
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coin.center_x = random.randrange(100, 700)
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coin.center_y = random.randrange(100, 500)
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while coin.change_x == 0 and coin.change_y == 0:
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coin.change_x = random.randrange(-4, 5)
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coin.change_y = random.randrange(-4, 5)
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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.wall_list.draw()
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self.coin_list.draw()
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def update(self, delta_time):
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""" Movement and game logic """
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for coin in self.coin_list:
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coin.center_x += coin.change_x
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walls_hit = arcade.check_for_collision_with_list(coin, self.wall_list)
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for wall in walls_hit:
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if coin.change_x > 0:
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coin.right = wall.left
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elif coin.change_x < 0:
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coin.left = wall.right
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if len(walls_hit) > 0:
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coin.change_x *= -1
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coin.center_y += coin.change_y
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walls_hit = arcade.check_for_collision_with_list(coin, self.wall_list)
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for wall in walls_hit:
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if coin.change_y > 0:
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coin.top = wall.bottom
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elif coin.change_y < 0:
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coin.bottom = wall.top
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if len(walls_hit) > 0:
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coin.change_y *= -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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