def draw(self, camera):
entities_to_draw = sorted(engine.get().entity_manager.get_in_area(self.tag, rectangle.from_entity(camera.entity), precise=False),
key=lambda entity: rectangle.from_entity(entity).bottom)
for entity in entities_to_draw:
entity.handle('draw', camera)
def draw(self, camera):
world = engine.get().box2d_world
query = DrawQueryCallback(camera)
rect = rectangle.from_entity(camera.entity).bounding_rect()
aabb = Box2D.b2AABB(lowerBound=Box2D.b2Vec2(rect.bottom_left),upperBound=Box2D.b2Vec2(rect.top_right))
world.QueryAABB(query, aabb)
def remove(self, entity):
try:
for square in self.reverse_map[entity] | self._get_grid_squares(rectangle.from_entity(entity)):
if square in self.map:
self.map[square].discard(entity)
if len(self.map[square]) == 0:
del self.map[square]
del self.reverse_map[entity]
except AttributeError:
pass
def draw(self, camera):
r = rectangle.from_entity(camera.entity).bounding_rect()
min_grid_x = int(r.left / self.size)
max_grid_x = int(r.right / self.size + 1)
min_grid_y = int(r.bottom / self.size)
max_grid_y = int(r.top / self.size + 1)
for x in range(min_grid_x, max_grid_x):
camera.draw_line(self.colour,(x*self.size, r.top), (x*self.size, r.bottom))
for y in range(min_grid_y, max_grid_y):
camera.draw_line(self.colour, (r.left, y*self.size), (r.right, y*self.size))
def get(self, rect, precise=True):
possible_intersections = set()
for square in self._get_grid_squares(rect):
if square in self.map:
possible_intersections.update(self.map[square])
if precise:
intersections = set()
for entity in possible_intersections:
if self._rects_intersect(rect, rectangle.from_entity(entity)):
intersections.add(entity)
return intersections
return possible_intersections
def add(self, entity):
try:
r = rectangle.from_entity(entity)
if r is None:
return
grid_squares = self._get_grid_squares(r)
for square in grid_squares:
if not square in self.map:
self.map[square] = weakref.WeakSet()
self.map[square].add(entity)
self.reverse_map[entity] = grid_squares
except AttributeError:
pass
def update(self, entity):
old_squares = self.reverse_map[entity]
new_squares = self._get_grid_squares(rectangle.from_entity(entity))
for square in old_squares - new_squares:
self.map[square].discard(entity)
if len(self.map[square]) == 0:
del self.map[square]
for square in new_squares - old_squares:
if square in self.map:
self.map[square].add(entity)
else:
self.map[square] = {entity}
self.reverse_map[entity] = new_squares
def draw(self, camera):
for entity in engine.get().entity_manager.get_in_area(self.tag, rectangle.from_entity(camera.entity)):
entity.handle('draw', camera)
def handle_draw(self, entity, camera):
camera.draw_image(rectangle.from_entity(entity), engine.get().resource_manager.get('image', entity.image))
def handle_draw(self, entity, camera):
camera.draw_rect(entity.colour, rectangle.from_entity(entity))
camera.draw_rect(entity.colour, rectangle.from_entity(entity).bounding_rect())