47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
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#ifndef __FORCE_DRAG_H__
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#define __FORCE_DRAG_H__
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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_Drag : public idForce {
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public:
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CLASS_PROTOTYPE( idForce_Drag );
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idForce_Drag( void );
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virtual ~idForce_Drag( 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 &p );
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// set position to drag towards
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void SetDragPosition( const idVec3 &pos );
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// get the position dragged towards
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const idVec3 & GetDragPosition( void ) const;
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// get the position on the dragged physics object
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const idVec3 GetDraggedPosition( void ) const;
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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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private:
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// properties
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float damping;
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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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idVec3 p; // position on clip model
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idVec3 dragPosition; // drag towards this position
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};
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#endif /* !__FORCE_DRAG_H__ */
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