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