在原位置重画

来源：互联网发布：做淘宝刷手风险大吗编辑：程序博客网时间：2024/06/10 04:25

    int iHeightBlance;
    for (int j = 0; j < m_nCol - 1; ++j)
    {
        iHeightBlance = (m_pEle[j] - minHeight[j]);
        if (iHeightBlance > 0)
        {
                glBegin(GL_LINE_STRIP);
                // 需要绘制线，y从i * m_iRow + j到i * m_iRow + j - iHeightBlance，x、z不变
                for (int i = 0; i < m_nRow - 1; i++)
                {
                    x1 = 2.0f*(float)(j)/m_nCol-1.0f;
                    z1 = 2.0f*(float)(i)/m_nRow-1.0f;
                    y1 = (float)(m_pEle[i*m_nCol+j])/(float)MaxHeight;

                    colorR = (x1 + 1) / 2.0f;
                    colorG=1.0f-colorR;
                    colorB=1.0f;
                    glColor3f(colorR,colorG,colorB);
                    // 低点
                    glVertex3f(x1,y1-(float)iHeightBlance/MaxHeight,z1);
               }
                glEnd();
        }
    }