OgreNewt_ConvexCast.h

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/* 
    OgreNewt Library
 
    Ogre implementation of Newton Game Dynamics SDK
 
    OgreNewt basically has no license, you may use any or all of the library however you desire... I hope it can help you in any way.
 
        by Walaber
        some changes by melven
 
*/
 
#ifndef _INCLUDE_OGRENEWT_CONVEXCAST
#define _INCLUDE_OGRENEWT_CONVEXCAST
 
 
#include "OgreNewt_Prerequisites.h"
#include "OgreNewt_CollisionPrimitives.h"
 
// OgreNewt namespace.  all functions and classes use this namespace.
namespace OgreNewt
{
 
class _OgreNewtExport Convexcast
{
public:
 
    Convexcast();
    
    virtual ~Convexcast();
 
 
    void go( const OgreNewt::World* world, const OgreNewt::ConvexCollisionPtr& col, const Ogre::Vector3& startpt, const Ogre::Quaternion &colori, const Ogre::Vector3& endpt, int maxcontactscount, int threadIndex);
 
 
    virtual bool userPreFilterCallback( OgreNewt::Body* body ) { return true; }
 
protected:
 
        NewtonWorldConvexCastReturnInfo *mReturnInfoList;
 
        int mReturnInfoListLength;
 
        int mReturnInfoListSize;
 
        Ogre::Real mFirstContactDistance;
 
private:
 
    static unsigned _CDECL newtonConvexcastPreFilter( const NewtonBody* body, const NewtonCollision* collision, void* userData );
};
 
 
 
 
 
class _OgreNewtExport BasicConvexcast : public Convexcast
{
public:
    class _OgreNewtExport ConvexcastContactInfo
    {
    public:
        //Ogre::Real              mDistance;                  //!< dist from point1 of the raycast, in range [0,1].
        OgreNewt::Body*         mBody;                      
        dLong                   mCollisionID;               
        Ogre::Vector3           mContactNormal;             
        Ogre::Vector3           mContactNormalOnHitPoint;   
        Ogre::Vector3           mContactPoint;              
        Ogre::Real              mContactPenetration;        
 
        ConvexcastContactInfo();
        ~ConvexcastContactInfo();
    };
 
 
    BasicConvexcast();
 
 
        BasicConvexcast( const OgreNewt::World* world, const OgreNewt::ConvexCollisionPtr& col, const Ogre::Vector3& startpt, const Ogre::Quaternion &colori, const Ogre::Vector3& endpt, int maxcontactscount, int threadIndex, OgreNewt::Body* ignoreBody = NULL);
 
    ~BasicConvexcast();
 
        bool userPreFilterCallback( OgreNewt::Body* body );
 
        void setIgnoreBody( OgreNewt::Body* body ) { mIgnoreBody = body; }
 
        OgreNewt::Body* getIgnoreBody() { return mIgnoreBody; }
 
    // ------------------------------------------------------
    // the following functions can be used to retrieve information about the bodies collided by the convexcast.
    
    int calculateBodyHitCount() const;
 
    int getContactsCount() const;
 
    ConvexcastContactInfo getInfoAt( int hitnum ) const;
 
    Ogre::Real getDistanceToFirstHit() const;
 
protected:
        OgreNewt::Body* mIgnoreBody;
};
 
 
}    // end NAMESPACE OgreNewt
    
 
 
 
 
#endif    // _INCLUDE_OGRENEWT_RAYCAST