2018-08-27 13:13:17 +00:00
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#ifndef __FORCE_GRAB_H__
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#define __FORCE_GRAB_H__
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//#ifdef _D3XP
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2018-08-27 13:13:36 +00:00
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#include "physics/Force.h"
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2018-08-27 13:13:17 +00:00
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/*
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===============================================================================
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Drag force
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===============================================================================
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*/
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class idForce_Grab : public idForce {
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public:
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CLASS_PROTOTYPE( idForce_Grab );
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void Save( idSaveGame *savefile ) const;
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void Restore( idRestoreGame *savefile );
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idForce_Grab( void );
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virtual ~idForce_Grab( void );
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// initialize the drag force
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void Init( float damping );
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// set physics object being dragged
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void SetPhysics( idPhysics *physics, int id, const idVec3 &goal );
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// update the goal position
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void SetGoalPosition( const idVec3 &goal );
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public: // common force interface
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virtual void Evaluate( int time );
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virtual void RemovePhysics( const idPhysics *phys );
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// Get the distance from object to goal position
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float GetDistanceToGoal( void );
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private:
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// properties
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float damping;
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idVec3 goalPosition;
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float distanceToGoal;
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// positioning
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idPhysics * physics; // physics object
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int id; // clip model id of physics object
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};
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//#endif /* _D3XP */
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#endif /* !__FORCE_GRAB_H__ */
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