2003-01-25 21:13:13 +00:00
|
|
|
// slip_skid_ball.hxx - an slip-skid ball.
|
|
|
|
// Written by David Megginson, started 2003.
|
|
|
|
//
|
|
|
|
// This file is in the Public Domain and comes with no warranty.
|
|
|
|
|
|
|
|
|
|
|
|
#ifndef __INSTRUMENTS_SLIP_SKID_BALL_HXX
|
|
|
|
#define __INSTRUMENTS_SLIP_SKID_BALL_HXX 1
|
|
|
|
|
|
|
|
#ifndef __cplusplus
|
|
|
|
# error This library requires C++
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#include <simgear/misc/props.hxx>
|
|
|
|
#include <Main/fgfs.hxx>
|
|
|
|
|
|
|
|
#include "gyro.hxx"
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Model a slip-skid ball.
|
|
|
|
*
|
|
|
|
* Input properties:
|
|
|
|
*
|
|
|
|
* /accelerations/pilot/y-accel-fps_sec
|
|
|
|
* /accelerations/pilot/z-accel-fps_sec
|
|
|
|
*
|
|
|
|
* Output properties:
|
|
|
|
*
|
|
|
|
* /instrumentation/slip-skid-ball/indicated-slip-skid
|
|
|
|
*/
|
|
|
|
class SlipSkidBall : public FGSubsystem
|
|
|
|
{
|
|
|
|
|
|
|
|
public:
|
|
|
|
|
|
|
|
SlipSkidBall ();
|
|
|
|
virtual ~SlipSkidBall ();
|
|
|
|
|
|
|
|
virtual void init ();
|
|
|
|
virtual void update (double dt);
|
|
|
|
|
|
|
|
private:
|
|
|
|
|
|
|
|
Gyro _gyro;
|
|
|
|
double _last_pos;
|
|
|
|
|
2003-01-26 15:56:11 +00:00
|
|
|
SGPropertyNode_ptr _serviceable_node;
|
2003-01-25 21:13:13 +00:00
|
|
|
SGPropertyNode_ptr _y_accel_node;
|
|
|
|
SGPropertyNode_ptr _z_accel_node;
|
|
|
|
SGPropertyNode_ptr _out_node;
|
|
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
#endif // __INSTRUMENTS_SLIP_SKID_BALL_HXX
|