C++ (Cpp) ON_Viewport::GetFrustumCenter示例

static void myRotateUpDown( ON_Viewport& viewport, double angle )
{
  // rotates camera around the screen x axis
  ON_3dVector camX;
  ON_3dPoint center;
  if ( glb_model )
    center = glb_model->m_view.m_target;
  else
    viewport.GetFrustumCenter( center );
  viewport.GetCameraFrame( NULL, camX, NULL, NULL );
  myRotateView( viewport, camX, center, angle );
}

示例#2

显示文件

文件： example_gl.cpp 项目： Arecius/opennurbs

static void myRotateLeftRight( ON_Viewport& viewport, double angle )
{
  // ON_3dVector axis = ON_zaxis; // rotate camera about world z axis (z up feel)
  ON_3dVector axis = ON_zaxis; // rotate camera about world y axis (u up feel)
  
  ON_3dPoint center;
  if ( glb_model )
    center = glb_model->m_view.m_target;
  else
    viewport.GetFrustumCenter( center );
  myRotateView( viewport, axis, center, angle );
}