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C++ MyMatrix::Rotate方法代码示例

本文整理汇总了C++中MyMatrix::Rotate方法的典型用法代码示例。如果您正苦于以下问题:C++ MyMatrix::Rotate方法的具体用法?C++ MyMatrix::Rotate怎么用?C++ MyMatrix::Rotate使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在MyMatrix的用法示例。


在下文中一共展示了MyMatrix::Rotate方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: CreateString


//.........这里部分代码省略.........

    bool moretexttocome = true;
    const char* stringpos = stringtodraw;

    while( moretexttocome )
    {
        numlines++;

        char singlelinebuffer[300];
        singlelinebuffer[0] = 0;
        char* singlelinebufferpos = singlelinebuffer;

        // word wrap if width of text is not 0.
        if( size.x != 0 )
        {
            float linewidth = -1;// = GetStringSize( fontheight, Vector2(0,0), singlelinebuffer ).x;
            while( linewidth < size.x &&
                    *stringpos != 0 )
            {
                *singlelinebufferpos = *stringpos;
                singlelinebufferpos++;
                *singlelinebufferpos = 0;
                stringpos++;

                linewidth = GetStringSize( fontheight, Vector2(0,0), singlelinebuffer ).x;

                assert( singlelinebufferpos < singlelinebuffer + 300 );
            }

            int numcharswewentback = 0;
            while( ( *(singlelinebufferpos-1) != ' ' && *stringpos != 0 ) &&
                    singlelinebufferpos > singlelinebuffer )
            {
                singlelinebufferpos--;
                numcharswewentback++;
            }

            if( singlelinebufferpos != singlelinebuffer )
            {
                *singlelinebufferpos = 0;
                stringpos -= numcharswewentback;
            }

            if( *stringpos == 0 )
                moretexttocome = false;

            stringtodraw = singlelinebuffer;
        }
        else
        {
            moretexttocome = false;
        }
            
        //// don't bother drawing if fontheight is zero... still doing logic above so the currect number of lines will be returned.
        //if( g_pRTQGlobals->m_WordWrapCountLinesOnly )
        //    continue;

        Vertex_XYZUV_RGBA* pVertsToDraw = (Vertex_XYZUV_RGBA*)GetVerts( true );

        int newverts = (int)strlen( stringtodraw ) * 4;
#if _DEBUG
        m_MostLettersAttemptedToDrawThisFrame += newverts/4;
        if( m_MostLettersAttemptedToDrawThisFrame > m_MostLettersAttemptedToDrawEver )
            m_MostLettersAttemptedToDrawEver = m_MostLettersAttemptedToDrawThisFrame;
#endif

        if( m_NumVertsToDraw + newverts > GetNumVerts() )
        {
#if _DEBUG
            LOGInfo( LOGTag, "TextMesh buffer isn't big enough for string (%s) - %d of %d letters used - most letters needed (%d)\n", stringtodraw, m_NumVertsToDraw/4, GetNumVerts()/4, m_MostLettersAttemptedToDrawEver );
#endif
            //assert( false ); // drawing more than we have room for.
            return 0;
        }

        pVertsToDraw += m_NumVertsToDraw;

        unsigned int textstrlen = m_pFont->m_pFont->GenerateVerts( stringtodraw, true, pVertsToDraw, fontheight, GL_TRIANGLES, justificationflags, color );

        m_NumVertsToDraw += (unsigned short)(textstrlen * 4);
        m_NumIndicesToDraw += textstrlen * 6;

        MyMatrix position;
        position.SetIdentity();
        position.Rotate( rotz, 0, 0, 1 );
        position.SetPosition( x, y - (numlines-1)*fontheight, z );
        //position.SetPosition( x, y - (numlines-1)*g_pRTQGlobals->m_WordWrapLineIncSize, z );
        //position.SetPosition( x, y, z );

        for( unsigned int i=0; i<textstrlen*4; i++ )
        {
            Vector3 out = position.TransformVector3( *(Vector3*)&pVertsToDraw[i].x );
            pVertsToDraw[i].x = out.x;
            pVertsToDraw[i].y = out.y;
            pVertsToDraw[i].z = out.z;
        }
    }

    return numlines;
}
开发者ID:pmeneguzzi,项目名称:SharedGameCode,代码行数:101,代码来源:MeshShapes.cpp


注:本文中的MyMatrix::Rotate方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。