48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
|
|
||
|
|
#ifndef __FORCE_DRAG_H__
|
||
|
|
#define __FORCE_DRAG_H__
|
||
|
|
|
||
|
|
/*
|
||
|
|
===============================================================================
|
||
|
|
|
||
|
|
Drag force
|
||
|
|
|
||
|
|
===============================================================================
|
||
|
|
*/
|
||
|
|
|
||
|
|
class idForce_Drag : public idForce {
|
||
|
|
|
||
|
|
public:
|
||
|
|
CLASS_PROTOTYPE( idForce_Drag );
|
||
|
|
|
||
|
|
idForce_Drag( void );
|
||
|
|
virtual ~idForce_Drag( void );
|
||
|
|
// initialize the drag force
|
||
|
|
void Init( float damping );
|
||
|
|
// set physics object being dragged
|
||
|
|
void SetPhysics( idPhysics *physics, int id, const idVec3 &p );
|
||
|
|
// set position to drag towards
|
||
|
|
void SetDragPosition( const idVec3 &pos );
|
||
|
|
// get the position dragged towards
|
||
|
|
const idVec3 & GetDragPosition( void ) const;
|
||
|
|
// get the position on the dragged physics object
|
||
|
|
const idVec3 GetDraggedPosition( void ) const;
|
||
|
|
|
||
|
|
public: // common force interface
|
||
|
|
virtual void Evaluate( int time );
|
||
|
|
virtual void RemovePhysics( const idPhysics *phys );
|
||
|
|
|
||
|
|
private:
|
||
|
|
|
||
|
|
// properties
|
||
|
|
float damping;
|
||
|
|
|
||
|
|
// positioning
|
||
|
|
idPhysics * physics; // physics object
|
||
|
|
int id; // clip model id of physics object
|
||
|
|
idVec3 p; // position on clip model
|
||
|
|
idVec3 dragPosition; // drag towards this position
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* !__FORCE_DRAG_H__ */
|