NxApexUtils.h

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#ifndef NX_APEX_UTILS_H
#define NX_APEX_UTILS_H

#include "NxModule.h"
#include "foundation/PxMath.h"

namespace physx
{
namespace apex
{

PX_PUSH_PACK_DEFAULT

class NxLerp : public NxInterpolator
{
public:
    virtual physx::PxF32 interpolate(physx::PxF32 inCurrent, physx::PxF32 inMin, physx::PxF32 inMax, physx::PxF32 outMin, physx::PxF32 outMax)
    {
        /*
        our return value is to be to the range outMin:outMax as
        inCurrent is to the range inMin:inMax -- and it is legal for it to lie outside the range!

        first convert everything to floats.
        then figure out the slope of the line via a division:
        */

        if (inMin == inMax)  //special case to avoid divide by zero.
        {
            return outMin;
        }

        return ((inCurrent - inMin) / (inMax - inMin)) * (outMax - outMin) + outMin;
    }
};


struct NxConvexHullMethod
{
    enum Enum
    {
        USE_6_DOP,
        USE_10_DOP_X,
        USE_10_DOP_Y,
        USE_10_DOP_Z,
        USE_14_DOP_XY,
        USE_14_DOP_YZ,
        USE_14_DOP_ZX,
        USE_18_DOP,
        USE_26_DOP,
        WRAP_GRAPHICS_MESH,
        CONVEX_DECOMPOSITION,

        COUNT
    };
};


struct NxIntPair
{
    physx::PxI32    mI0;
    physx::PxI32    mI1;
};


PX_POP_PACK

}
} // end namespace physx::apex

#endif // NX_APEX_UTILS_H