このコードはassassin1.png
、黒い背景に画像を表示します。アイデアは、<right-direction>
キーを押すとすぐにキャラクターが動き、 と を使用してアニメーションを表示する必要があるということassassin2.png
ですassassin3.png
。キャラクターを動かしてアニメーションを表示することはできましたが、2 つを同時に行うことはできませんでした。
<right direction>
キーを押さない限り、次のコードが実行されます。
import pyglet
def sprite_type(type_ = "standing"):
if type_ == "moving-forward":
moving_forward_image_list = [pyglet.image.load('assassin2.png'), pyglet.image.load('assassin3.png')]
moving_forward_animation = pyglet.image.Animation.from_image_sequence(moving_forward_image_list, 0.3)
return moving_forward_animation
if type_ == "standing":
standing_animation = pyglet.image.load("assassin1.png")
return standing_animation
class Assassin(pyglet.sprite.Sprite):
def __init__(self, batch, img):
pyglet.sprite.Sprite.__init__(self, img, x = 50, y = 30)
def stand(self, batch, img):
self.batch = batch
self.img = img
def move(self, batch, img):
self.batch = batch
self.img = img
class Game(pyglet.window.Window):
def __init__(self):
pyglet.window.Window.__init__(self, width = 315, height = 220)
self.batch_draw = pyglet.graphics.Batch()
self.player = Assassin(batch = self.batch_draw, img = sprite_type())
self.fps_display = pyglet.clock.ClockDisplay()
self.keys_held = []
self.schedule = pyglet.clock.schedule_interval(func = self.update, interval = 1/60.)
def on_draw(self):
self.clear()
self.fps_display.draw()
self.batch_draw.draw()
self.player.draw()
def on_key_press(self, symbol, modifiers):
self.keys_held.append(symbol)
if symbol == pyglet.window.key.RIGHT:
self.player = self.player.move(batch = self.batch_draw, img = sprite_type("moving-forward"))
print "The 'RIGHT' key was pressed"
def on_key_release(self, symbol, modifiers):
self.keys_held.pop(self.keys_held.index(symbol))
self.player = self.player.stand(batch = self.batch_draw, img = sprite_type("standing"))
def update(self, interval):
if pyglet.window.key.RIGHT in self.keys_held:
self.player.x += 50 * interval
if __name__ == "__main__":
window = Game()
pyglet.app.run()
キーを押すとすぐに<right-direction>
、次のエラーが発生します。
Traceback (most recent call last):
File "ircex.py", line 55, in <module>
pyglet.app.run()
File "/usr/local/lib/python2.7/dist-packages/pyglet/app/__init__.py", line 264, in run
EventLoop().run()
File "/usr/local/lib/python2.7/dist-packages/pyglet/app/xlib.py", line 93, in run
sleep_time = self.idle()
File "/usr/local/lib/python2.7/dist-packages/pyglet/app/__init__.py", line 193, in idle
window.dispatch_event('on_draw')
File "/usr/local/lib/python2.7/dist-packages/pyglet/window/__init__.py", line 1219, in dispatch_event
EventDispatcher.dispatch_event(self, *args)
File "/usr/local/lib/python2.7/dist-packages/pyglet/event.py", line 349, in dispatch_event
return getattr(self, event_type)(*args)
File "pyglet-walk.py", line 37, in on_draw
self.player.draw()
AttributeError: 'NoneType' object has no attribute 'draw'