52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
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#ifndef __FORCE_SPRING_H__
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#define __FORCE_SPRING_H__
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/*
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===============================================================================
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Spring force
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===============================================================================
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*/
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class idForce_Spring : public idForce {
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public:
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CLASS_PROTOTYPE( idForce_Spring );
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idForce_Spring( void );
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virtual ~idForce_Spring( void );
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// initialize the spring
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void InitSpring( float Kstretch, float Kcompress, float damping, float restLength );
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// set the entities and positions on these entities the spring is attached to
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void SetPosition( idPhysics *physics1, int id1, const idVec3 &p1,
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idPhysics *physics2, int id2, const idVec3 &p2 );
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void Save( idSaveGame *savefile ) const;
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void Restore( idRestoreGame *savefile );
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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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// spring properties
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float Kstretch;
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float Kcompress;
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float damping;
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float restLength;
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// positioning
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idPhysics * physics1; // first physics object
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int id1; // clip model id of first physics object
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idVec3 p1; // position on clip model
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idPhysics * physics2; // second physics object
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int id2; // clip model id of second physics object
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idVec3 p2; // position on clip model
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};
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#endif /* !__FORCE_SPRING_H__ */
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