"""
Sprite Move With Walls
Simple program to show basic sprite usage.
Artwork from http://kenney.nl
"""
import arcade
SPRITE_SCALING = 0.5
SCREEN_WIDTH = 800
SCREEN_HEIGHT = 600
MOVEMENT_SPEED = 5
class MyApplication(arcade.Window):
""" Main application class. """
def __init__(self, width, height):
"""
Initializer
:param width:
:param height:
"""
super().__init__(width, height)
# Sprite lists
self.all_sprites_list = None
self.coin_list = None
# Set up the player
self.score = 0
self.player_sprite = None
self.wall_list = None
self.physics_engine = None
def setup(self):
""" Set up the game and initialize the variables. """
# Sprite lists
self.all_sprites_list = arcade.SpriteList()
self.wall_list = arcade.SpriteList()
# Set up the player
self.score = 0
self.player_sprite = arcade.Sprite("images/character.png",
SPRITE_SCALING)
self.player_sprite.center_x = 50
self.player_sprite.center_y = 64
self.all_sprites_list.append(self.player_sprite)
# -- Set up the walls
# Create a row of boxes
for x in range(173, 650, 64):
wall = arcade.Sprite("images/boxCrate_double.png", SPRITE_SCALING)
wall.center_x = x
wall.center_y = 200
self.all_sprites_list.append(wall)
self.wall_list.append(wall)
# Create a column of boxes
for y in range(273, 500, 64):
wall = arcade.Sprite("images/boxCrate_double.png", SPRITE_SCALING)
wall.center_x = 465
wall.center_y = y
self.all_sprites_list.append(wall)
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.all_sprites_list.draw()
# Put the text on the screen.
output = "Score: {}".format(self.score)
arcade.draw_text(output, 10, 20, arcade.color.WHITE, 14)
def on_key_press(self, key, modifiers):
"""
Called whenever the mouse moves.
"""
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 presses a mouse button.
"""
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 animate(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()
window = MyApplication(SCREEN_WIDTH, SCREEN_HEIGHT)
window.setup()
arcade.run()
