utility.py 文件源码

def updateState(self, vessel, connection):
        # self.altitude = numpy.linalg.norm(vessel.position(vessel.orbit.body.reference_frame)) # from center of body, not SL
        # self.velocity = vessel.flight(vessel.orbit.body.non_rotating_reference_frame).horizontal_speed
        # # self.velocity = math.sqrt(square(vessel.flight(vessel.orbit.body.non_rotating_reference_frame).speed) - square(vessel.flight(vessel.orbit.body.non_rotating_reference_frame).vertical_speed))
        # self.verticalVelocity = vessel.flight(vessel.orbit.body.non_rotating_reference_frame).vertical_speed
        self.angle = numpy.arctan2(self.velocity(), self.verticalVelocity())
        self.thrust = 0.0
        for engine in self.engineList:
            self.thrust  = self.thrust + engine.engine.max_thrust
        self.acceleration = self.thrust / vessel.mass
        if self.isp <= 0:
            self.isp = self.StageVacuumSpecificImpulse(self.insertionStage)
        if self.thrust > 0:
            self.exhaustVelocity = self.isp * 9.80665# / self.thrust
        else:
            self.exhaustVelocity = 0.01
        if self.mu <= 0.0:
            self.mu = vessel.orbit.body.gravitational_parameter