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76 lines
2.7 KiB
C
76 lines
2.7 KiB
C
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/*
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===========================================================================
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Doom 3 GPL Source Code
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Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).
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Doom 3 Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 Source Code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
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If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
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===========================================================================
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*/
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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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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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