class World(object):
def __init__(self, root_layer, camera_config, gravity=(0, 0, 0)):
self._camera = Camera(
target=camera_config['target'],
width=camera_config['width'],
rect=camera_config['rect'],
limits=camera_config['limits'],
)
self._root_layer = root_layer
self._chunks = []
worldAABB = b2AABB()
worldAABB.lowerBound = (-1000, -1000)
worldAABB.upperBound = (1000, 1000)
gravity_x, gravity_y = gravity
gravity = b2Vec2(gravity_x, gravity_y)
self._box2d_world = b2World(worldAABB, gravity, True)
self._contact_listener = ContactListener()
self._box2d_world.SetContactListener(self._contact_listener)
self._remove_list = []
def _remove(self, chunk):
if chunk._body:
chunk._body.userData = None
self._box2d_world.DestroyBody(chunk._body)
chunk._body = None
def remove(self, chunk):
self._remove_list.append(chunk)
self._root_layer.remove(chunk)
self._root_layer.remove_layer(chunk.layer())
def add(self, chunk, slot):
chunk.set_camera(self._camera)
chunk.append_to_world(self._box2d_world)
chunk.set_user_data()
self._chunks.append(chunk)
self._root_layer.add_layer(chunk.layer(), slot)
self._root_layer.add(chunk)
def step(self, delta):
for chunk in self._remove_list:
self._remove(chunk)
self._remove_list = []
self._box2d_world.Step(delta, 8, 1)
self._camera.update()
for chunk in self._chunks:
chunk.update()
def camera(self):
return self._camera
def __init__(self, root_layer, camera_config, gravity=(0, 0, 0)):
self._camera = Camera(
target=camera_config['target'],
width=camera_config['width'],
rect=camera_config['rect'],
limits=camera_config['limits'],
)
self._root_layer = root_layer
self._chunks = []
worldAABB = b2AABB()
worldAABB.lowerBound = (-1000, -1000)
worldAABB.upperBound = (1000, 1000)
gravity_x, gravity_y = gravity
gravity = b2Vec2(gravity_x, gravity_y)
self._box2d_world = b2World(worldAABB, gravity, True)
self._contact_listener = ContactListener()
self._box2d_world.SetContactListener(self._contact_listener)
self._remove_list = []
