C++ (Cpp) GLC_Vector2d::setY示例

示例#1

文件： glc_viewport.cpp 项目： JasonWinston/GLC_lib

GLC_Point2d GLC_Viewport::project(const GLC_Point3d &point, bool useCameraMatrix) const
{
    GLC_Matrix4x4 modelView;
    GLC_Matrix4x4 projectionMatrix;

    GLint viewport[4]= {0, 0, m_Width, m_Height};
    if (useCameraMatrix)
    {
        modelView= m_pViewCam->modelViewMatrix();
        projectionMatrix= m_ProjectionMatrix;
    }
    else
    {
        modelView= GLC_Context::current()->modelViewMatrix();
        glGetIntegerv(GL_VIEWPORT, viewport);
        projectionMatrix= GLC_Context::current()->projectionMatrix();
    }

    double x;
    double y;
    double z;
    glc::gluProject(point.x(), point.y(), point.z(), modelView.getData(), projectionMatrix.getData(), viewport, &x, &y, &z);

    GLC_Vector2d subject;
    subject.setX(x);
    subject.setY(y);

    return subject;
}