def test_rect(self, rect):
'''
tests rect placement collisons
Parameters
----------
rect | object : rect object
Returns
-------
dict: dict of values of rects that have collisions
'''
d = {cf.HITLEFT: (0, None), cf.HITRIGHT: (0, None), cf.HITTOP: (0, None), cf.HITBOTTOM: (0, None)}
for r in self.rects:
coll = ExtRect.as_rect(rect).clip(ExtRect.as_rect(r))
if not (coll.width or coll.height):
#No intersection
continue
if coll.left == rect.left and d[cf.HITLEFT][0] < coll.width and coll.width < rect.width:
d[cf.HITLEFT] = (coll.width, r)
if coll.right == rect.right and d[cf.HITRIGHT][0] < coll.width and coll.width < rect.width:
d[cf.HITRIGHT] = (coll.width, r)
if coll.top == rect.top and d[cf.HITTOP][0] < coll.height and coll.height < rect.height:
d[cf.HITTOP] = (coll.height, r)
if coll.bottom == rect.bottom and d[cf.HITBOTTOM][0] < coll.height and coll.height < rect.height:
d[cf.HITBOTTOM] = (coll.height, r)
return d
def debug_render(self, surf):
'''
attempts to draw each rect on surface object to debug
Parameters
----------
surf | object: surface object
'''
for r in self.rects:
pygame.draw.rect(surf, cf.GEOMDEBUG, ExtRect.as_rect(r), 1)
def collide_entities(self, ents):
'''
checks for collison with entitites and performs appropriate action
Parameters
----------
ents | list[object]: list of entity objects
'''
for ent in ents:
if ent.enttype == cf.ENT_CHARACTER:
continue #Never collide
coll = self.rect.clip(ExtRect.as_rect(ent.rect))
if not (coll.width or coll.height):
continue #Not colliding
if ent.enttype == cf.ENT_PLATFORM:
#As a hack, this kind of entity usually inserts its own rect into the Geometry's
#rects (and updates it in place), so we don't have to worry about collisions.
#See collide for more info.
pass
elif ent.enttype == cf.ENT_OBSTACLE:
self.kill()
elif ent.enttype == cf.ENT_TOKEN:
self.get_token(ent)
elif ent.enttype == cf.ENT_CHECKPOINT:
self.set_checkpoint_here(ent)
elif ent.enttype == cf.ENT_SCRIPTED:
ent.on_char_collide(self)
elif ent.enttype == cf.ENT_PORTAL:
self.teleport()
#elif ent.enttype == cf.ENT_INVERTER:
# self.flip()
#elif ent.enttype in (cf.ENT_CONVEYER_A, cf.ENT_CONVEYER_B):
# self.conveyer()
elif ent.enttype == cf.ENT_BREAKAWAY:
self.breakaway(ent)
elif ent.enttype == cf.ENT_EMPTY:
pass
