wmltrianglekey.inl

3D Game Engine Design Source Code非常棒

// Magic Software, Inc.
// http://www.magic-software.com
// http://www.wild-magic.com
// Copyright (c) 2003.  All Rights Reserved
//
// The Wild Magic Library (WML) source code is supplied under the terms of
// the license agreement http://www.magic-software.com/License/WildMagic.pdf
// and may not be copied or disclosed except in accordance with the terms of
// that agreement.

//----------------------------------------------------------------------------
inline TriangleKey::TriangleKey (int iV0, int iV1, int iV2)
{
    if ( iV0 < iV1 )
    {
        if ( iV0 < iV2 )
        {
            // v0 is minimum
            V[0] = iV0;
            V[1] = iV1;
            V[2] = iV2;
        }
        else
        {
            // v2 is minimum
            V[0] = iV2;
            V[1] = iV0;
            V[2] = iV1;
        }
    }
    else
    {
        if ( iV1 < iV2 )
        {
            // v1 is minimum
            V[0] = iV1;
            V[1] = iV2;
            V[2] = iV0;
        }
        else
        {
            // v2 is minimum
            V[0] = iV2;
            V[1] = iV0;
            V[2] = iV1;
        }
    }
}
//----------------------------------------------------------------------------
inline bool TriangleKey::operator< (const TriangleKey& rkKey) const
{
    if ( V[2] < rkKey.V[2] )
        return true;
    if ( V[2] > rkKey.V[2] )
        return false;
    if ( V[1] < rkKey.V[1] )
        return true;
    if ( V[1] > rkKey.V[1] )
        return false;
    return V[0] < rkKey.V[0];
}
//----------------------------------------------------------------------------