def myNextCollider(self):
# If the previous calculation of the next collider is still valid,
# return the cached value.
if self.nextCollider:
return self.nextCollider
which = None
dMin = Inf
for o in self.gs.obstacles:
if self.me == o:
continue # Don't include me!
self.ip = o.nearestIntersection(self.me, self.ip)
# Infinity is used to indicate no intersection.
if vec.length(self.ip) < Inf:
p = self.ip - self.myPosition()
d = vec.length(p) - self.myMaxExtent()
if d < dMin:
dMin = d
which = o
vec.copy(self.ip, self.cp)
# We must at least be on a collision course with one of the sides.
# TODO: turn side collisions back on
# if false and not which:
# print self.myPosition(), "; ", self.myOrientation()
# pause
# assert which
# Computing the nearest collider is expensive so cache the result
# in case it's needed again.
# TODO: Could also be worth caching dMin as the distance to the
# nearest collider.
self.nextCollider = which
return which
def myNextCollider(self):
# If the previous calculation of the next collider is still valid,
# return the cached value.
if self.nextCollider:
return self.nextCollider
which = None
dMin = Inf
for o in self.gs.obstacles:
if self.me == o:
continue # Don't include me!
self.ip = o.nearestIntersection(self.me, self.ip)
# Infinity is used to indicate no intersection.
if vec.length(self.ip) < Inf:
p = self.ip - self.myPosition()
d = vec.length(p) - self.myMaxExtent()
if d < dMin:
dMin = d
which = o
vec.copy(self.ip, self.cp)
# We must at least be on a collision course with one of the sides.
# TODO: turn side collisions back on
# if false and not which:
# print self.myPosition(), "; ", self.myOrientation()
# pause
# assert which
# Computing the nearest collider is expensive so cache the result
# in case it's needed again.
# TODO: Could also be worth caching dMin as the distance to the
# nearest collider.
self.nextCollider = which
return which
def setOrientation(self, orientation):
assert util.isAlmostEq(1.0, vec.length(orientation)), 'invalid orientation ' + str(orientation)
vec.copy(orientation, self.orientation)
def setPosition(self, position):
vec.copy(position, self.position)
def setOrientation(self, orientation):
assert util.isAlmostEq(1.0, vec.length(orientation)), 'invalid orientation ' + str(orientation)
vec.copy(orientation, self.orientation)
def setPosition(self, position):
vec.copy(position, self.position)