def update(self, model):
Pulsator.update(self, model)
nearbyPrey = model.find(lambda x: isinstance(x, Prey) and self.
distance((x.get_location())) <= 200)
toSort = []
for prey in nearbyPrey:
toSort.append((prey, self.distance((prey.get_location()))))
if toSort != []:
prey_to_chase = min(toSort, key=lambda x: x[1])
xp, yp = Prey.get_location(prey_to_chase[0])
xh, yh = self.get_location()
diff_y = yp - yh
diff_x = xp - xh
self.set_angle(atan2(diff_y, diff_x))
Mobile_Simulton.move(self)
def update(self, model):
Pulsator.update(self, model)
Mobile_Simulton.move(self)
prey_set = model.find(lambda x: isinstance(x, Prey))
can_see = set()
for prey in prey_set:
distance = ((self._x - prey._x)**2 + (self._y - prey._y)**2)**0.5
if distance < self.vision:
can_see.add(prey)
nearby = []
for prey in can_see:
distance = ((self._x - prey._x)**2 + (self._y - prey._y)**2)**0.5
nearby.append((prey, distance))
if len(nearby) > 0:
closest = sorted(nearby, key=lambda x: x[1])[0]
self.set_angle(
atan2((closest[0]._y - self._y), (closest[0]._x - self._x)))
