class Bot(GameObject):
"""Bot
Basic tier 1 unit.
"""
fire_rate = 3.0
fire_dist = 20
movement_speed = 60.0
def __init__(self, position):
super(Bot, self).__init__('assets/circle.png', position)
self._fire_timer = Timer(Bot.fire_rate)
def _fire(self, position):
diff_x = position[0] - self.position[0]
diff_y = position[1] - self.position[1]
aim = helpers.normalize((diff_x, diff_y))
l = Bot.fire_dist
fire_pos = (self.position[0] + aim[0] * l, self.position[1] + aim[1] * l)
return Pulse(position=fire_pos, direction=aim)
def fire(self, position):
if self._fire_timer.check():
self._fire_timer.reset()
return self._fire(position)
return []
def update(self, delta, **kwargs):
self._fire_timer.update(delta)
dist = Bot.movement_speed * delta
self.move(dist, 0)
targets = [(400, 400), (200, 200), (300, 300)]
if targets:
target = random.choice(targets)
shot = self.fire(target)
if shot:
return [shot]
return []
def __str__(self):
return 'Bot'
