Collect Coins - Joystick¶
sprite_move_joystick.py¶
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Sprite Move With Joystick
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_joystick
"""
import arcade
import os
SPRITE_SCALING = 0.5
SCREEN_WIDTH = 800
SCREEN_HEIGHT = 600
MOVEMENT_SPEED = 5
DEAD_ZONE = 0.05
class Player(arcade.Sprite):
def __init__(self, filename, scale):
super().__init__(filename, scale)
joysticks = arcade.get_joysticks()
if joysticks:
self.joystick = joysticks[0]
self.joystick.open()
else:
print("There are no Joysticks")
self.joystick = None
def update(self):
if self.joystick:
self.change_x = self.joystick.x * MOVEMENT_SPEED
# Set a "dead zone" to prevent drive from a centered joystick
if abs(self.change_x) < DEAD_ZONE:
self.change_x = 0
self.change_y = -self.joystick.y * MOVEMENT_SPEED
# Set a "dead zone" to prevent drive from a centered joystick
if abs(self.change_y) < DEAD_ZONE:
self.change_y = 0
self.center_x += self.change_x
self.center_y += self.change_y
if self.left < 0:
self.left = 0
elif self.right > SCREEN_WIDTH - 1:
self.right = SCREEN_WIDTH - 1
if self.bottom < 0:
self.bottom = 0
elif self.top > SCREEN_HEIGHT - 1:
self.top = SCREEN_HEIGHT - 1
class MyGame(arcade.Window):
"""
Main application class.
"""
def __init__(self, width, height):
"""
Initializer
"""
# 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)
# Call the parent class initializer
super().__init__(width, height)
# Variables that will hold sprite lists
self.all_sprites_list = None
# Set up the player info
self.player_sprite = None
self.score = 0
# Set the background color
arcade.set_background_color(arcade.color.AMAZON)
def setup(self):
""" Set up the game and initialize the variables. """
# Sprite lists
self.all_sprites_list = arcade.SpriteList()
# Set up the player
self.score = 0
self.player_sprite = Player("images/character.png", SPRITE_SCALING)
self.player_sprite.center_x = 50
self.player_sprite.center_y = 50
self.all_sprites_list.append(self.player_sprite)
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()
def update(self, delta_time):
""" Movement and game logic """
# Call update on all sprites (The sprites don't do much in this
# example though.)
self.all_sprites_list.update()
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 main():
""" Main method """
window = MyGame(SCREEN_WIDTH, SCREEN_HEIGHT)
window.setup()
arcade.run()
if __name__ == "__main__":
main()
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