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PHY_IVehicle.h

/*
Bullet Continuous Collision Detection and Physics Library
Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/

This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose, 
including commercial applications, and to alter it and redistribute it freely, 
subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/


#ifndef PHY_IVEHICLE_H
#define PHY_IVEHICLE_H

//PHY_IVehicle provides a generic interface for (raycast based) vehicles. Mostly targetting 4 wheel cars and 2 wheel motorbikes.

class PHY_IMotionState;
#include "PHY_DynamicTypes.h"

class PHY_IVehicle
{
public:

      virtual ~PHY_IVehicle();
      
      virtual void      AddWheel(
                  PHY_IMotionState* motionState,
                  PHY__Vector3      connectionPoint,
                  PHY__Vector3      downDirection,
                  PHY__Vector3      axleDirection,
                  float suspensionRestLength,
                  float wheelRadius,
                  bool hasSteering
            ) = 0;


      virtual     int         GetNumWheels() const = 0;
      
      virtual void      GetWheelPosition(int wheelIndex,float& posX,float& posY,float& posZ) const = 0;
      virtual void      GetWheelOrientationQuaternion(int wheelIndex,float& quatX,float& quatY,float& quatZ,float& quatW) const = 0;
      virtual float     GetWheelRotation(int wheelIndex) const = 0;

      virtual int GetUserConstraintId() const =0;
      virtual int GetUserConstraintType() const =0;

      //some basic steering/braking/tuning/balancing (bikes)

      virtual     void  SetSteeringValue(float steering,int wheelIndex) = 0;

      virtual     void  ApplyEngineForce(float force,int wheelIndex) = 0;

      virtual     void  ApplyBraking(float braking,int wheelIndex) = 0;

};

#endif //PHY_IVEHICLE_H

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