Move with Walls¶
sprite_move_walls.py¶
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Sprite Move With Walls
Simple program to show basic sprite usage.
Artwork from http://kenney.nl
If Python and Arcade are installed, this example can be run from the command line with:
python -m arcade.examples.sprite_move_walls
"""
import arcade
import os
SPRITE_SCALING = 0.5
SCREEN_WIDTH = 800
SCREEN_HEIGHT = 600
SCREEN_TITLE = "Sprite Move with Walls Example"
MOVEMENT_SPEED = 5
class MyGame(arcade.Window):
""" Main application class. """
def __init__(self, width, height, title):
"""
Initializer
"""
super().__init__(width, height, title)
# Set the working directory (where we expect to find files) to the same
# directory this .py file is in. You can leave this out of your own
# code, but it is needed to easily run the examples using "python -m"
# as mentioned at the top of this program.
file_path = os.path.dirname(os.path.abspath(__file__))
os.chdir(file_path)
# Sprite lists
self.coin_list = None
self.wall_list = None
self.player_list = None
# Set up the player
self.player_sprite = None
self.physics_engine = None
def setup(self):
""" Set up the game and initialize the variables. """
# Sprite lists
self.player_list = arcade.SpriteList()
self.wall_list = arcade.SpriteList()
# Set up the player
self.player_sprite = arcade.Sprite(":resources:images/animated_characters/female_person/femalePerson_idle.png",
SPRITE_SCALING)
self.player_sprite.center_x = 50
self.player_sprite.center_y = 64
self.player_list.append(self.player_sprite)
# -- Set up the walls
# Create a row of boxes
for x in range(173, 650, 64):
wall = arcade.Sprite(":resources:images/tiles/boxCrate_double.png", SPRITE_SCALING)
wall.center_x = x
wall.center_y = 200
self.wall_list.append(wall)
# Create a column of boxes
for y in range(273, 500, 64):
wall = arcade.Sprite(":resources:images/tiles/boxCrate_double.png", SPRITE_SCALING)
wall.center_x = 465
wall.center_y = y
self.wall_list.append(wall)
self.physics_engine = arcade.PhysicsEngineSimple(self.player_sprite,
self.wall_list)
# Set the background color
arcade.set_background_color(arcade.color.AMAZON)
def on_draw(self):
"""
Render the screen.
"""
# This command has to happen before we start drawing
arcade.start_render()
# Draw all the sprites.
self.wall_list.draw()
self.player_list.draw()
def on_key_press(self, key, modifiers):
"""Called whenever a key is pressed. """
if key == arcade.key.UP:
self.player_sprite.change_y = MOVEMENT_SPEED
elif key == arcade.key.DOWN:
self.player_sprite.change_y = -MOVEMENT_SPEED
elif key == arcade.key.LEFT:
self.player_sprite.change_x = -MOVEMENT_SPEED
elif key == arcade.key.RIGHT:
self.player_sprite.change_x = MOVEMENT_SPEED
def on_key_release(self, key, modifiers):
"""Called when the user releases a key. """
if key == arcade.key.UP or key == arcade.key.DOWN:
self.player_sprite.change_y = 0
elif key == arcade.key.LEFT or key == arcade.key.RIGHT:
self.player_sprite.change_x = 0
def on_update(self, delta_time):
""" Movement and game logic """
# Call update on all sprites (The sprites don't do much in this
# example though.)
self.physics_engine.update()
def main():
""" Main method """
window = MyGame(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_TITLE)
window.setup()
arcade.run()
if __name__ == "__main__":
main()
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