class SpriteGame(arcade.Window):
player : object
def __init__(self, width=800, height=660, title="SpriteGame"):
super().__init__(width,height,title)
self.WINDOW_H = height
self.WINDOW_W = width
self.ddx = 0
self.ddy = 0
self.dx = 0
self.dy = 0
def setup(self):
path = os.path.abspath(__file__)
directory = os.path.dirname(path)
spritefile = directory + '/static/ship_blue.png'
self.player = Sprite(filename=spritefile, scale=0.6)
self.player.center_x = self.WINDOW_W/2
self.player.center_y = self.WINDOW_H/2
self.speed = 0
self.force = 0
self.rotation = 0
self.dangle = 0
def run(self):
arcade.run()
def on_key_press(self, key, modifiers):
if key == arcade.key.W:
self.force += 10
if key == arcade.key.S:
self.force += -5
if key == arcade.key.A:
self.dangle += 10
if key == arcade.key.D:
self.dangle += -10
def on_key_release(self, key, modifiers):
if key == arcade.key.W:
self.force -= 10
if key == arcade.key.S:
self.force -= -5
if key == arcade.key.A:
self.dangle -= 10
if key == arcade.key.D:
self.dangle -= -10
def on_update(self, deltatime):
# 0 - 360
self.rotation += self.dangle
ddx = -math.sin(math.radians(self.rotation))
ddy = math.cos(math.radians(self.rotation))
self.dx = arcade.lerp(self.dx, ddx, 0.05)
self.dy = arcade.lerp(self.dy, ddy, 0.05)
self.speed = arcade.lerp(self.speed, self.force, 0.05)
self.player.change_x = self.dx * self.speed
self.player.change_y = self.dy * self.speed
self.player.angle = self.rotation
self.player.update()
def on_draw(self):
arcade.start_render()
self.player.draw()
class Game(arcade.Window):
"""
"""
def __init__(self, width, height):
"""
Sets up the initial conditions of the game
:param width: Screen width
:param height: Screen height
"""
super().__init__(width, height)
self.score = 0
self.player = Sprite(filename="demo_player.jpeg")
self.player.center_x = SCREEN_WIDTH // 2
self.player.center_y = SCREEN_HEIGHT // 3
self.player.change_x = 3
self.bullets = []
arcade.set_background_color(arcade.color.BLACK_LEATHER_JACKET)
def on_draw(self):
"""
Called automatically by the arcade framework.
Handles the responsiblity of drawing all elements.
"""
# clear the screen to begin drawing
arcade.start_render()
self.draw_score()
self.player.draw()
for bullet in self.bullets:
bullet.draw()
def draw_score(self):
"""
Puts the current score on the screen
"""
score_text = "Score: {}".format(self.score)
start_x = 10
start_y = SCREEN_HEIGHT - 20
arcade.draw_rectangle_filled(50, start_y + 5, 90, 20, (0, 0, 0, 150))
arcade.draw_text(score_text,
start_x=start_x,
start_y=start_y,
font_size=12,
color=arcade.color.WHITE)
def update(self, delta_time):
"""
Update each object in the game.
:param delta_time: tells us how much time has actually elapsed
"""
# Check to see if keys are being held, and then
# take appropriate action
self.check_keys()
self.player.update()
for bullet in self.bullets:
bullet.update()
if ((self.player.center_x > SCREEN_WIDTH and self.player.change_x > 0) or \
(self.player.center_x < 0 and self.player.change_x < 0)):
self.player.change_x *= -1
def check_keys(self):
"""
Checks to see if the user is holding down an
arrow key, and if so, takes appropriate action.
"""
pass
def on_key_press(self, key, key_modifiers):
"""
Called when a key is pressed. Sets the state of
holding an arrow key.
:param key: The key that was pressed
:param key_modifiers: Things like shift, ctrl, etc
"""
if key == arcade.key.LEFT or key == arcade.key.DOWN:
self.player.change_x = -3
if key == arcade.key.RIGHT or key == arcade.key.UP:
self.player.change_x = 3
if key == arcade.key.W or key == arcade.key.D:
pass
if key == arcade.key.S or key == arcade.key.A:
pass
if key == arcade.key.SPACE:
bullet = Sprite(filename="game_piece_red.png", \
center_x=self.player.center_x, center_y=self.player.center_y)
bullet.change_y = 30
bullet.scale = .25
self.bullets.append(bullet)
def on_key_release(self, key, key_modifiers):
"""
Called when a key is released. Sets the state of
the arrow key as being not held anymore.
:param key: The key that was pressed
:param key_modifiers: Things like shift, ctrl, etc
"""
if key == arcade.key.LEFT or key == arcade.key.DOWN:
pass
if key == arcade.key.RIGHT or key == arcade.key.UP:
pass
if key == arcade.key.W or key == arcade.key.D:
pass
if key == arcade.key.S or key == arcade.key.A:
pass