def __init__(self, game_world, position, radius):
MovingEntity.__init__(self, position, radius)
self._steer_behavior = SteeringBehaviors(self)
self._game_world = game_world
data = self.get_vehicle_data()
self.sprite = Triangle(data)
self._logger = LogManager.get_logger("Vehicle")
class Vehicle(MovingEntity):
def __init__(self, game_world, position, radius):
MovingEntity.__init__(self, position, radius)
self._steer_behavior = SteeringBehaviors(self)
self._game_world = game_world
data = self.get_vehicle_data()
self.sprite = Triangle(data)
self._logger = LogManager.get_logger("Vehicle")
def set_color(self, color):
self.sprite.color = color
@property
def game_world(self):
return self._game_world
@property
def steer_behavior(self):
return self._steer_behavior
def get_vehicle_data(self):
param = {'color': GREEN,
'center_point': self.get_position(),
'head_direction': self.get_head_direction(),
'side': self.bounding_radius * 3 / 1.732,
'width': 1
}
return param
def render(self):
self.sprite.render()
def update_place(self):
self.sprite.update_place({
"center_point": self._position,
"head_direction": self.head_direction,
})
def update(self, time_elapsed):
steer_force = self._steer_behavior.calculate()
acceleration = steer_force / self.mass
self.velocity = acceleration * time_elapsed
self.velocity = self.velocity.truncate(self.max_speed)
self._position += self.velocity * time_elapsed
if self.velocity.length() > 0.0001:
self.head_direction = self.velocity.normalized()
self.side_direction = self.head_direction.perp()
screen_size = Screen().get_size()
self._position = WrapAround(self.position, screen_size['width'], screen_size['height'])
self.update_place()
self.sprite.update(time_elapsed)