本文整理汇总了C++中Vec3d::perpendicularVector方法的典型用法代码示例。如果您正苦于以下问题：C++ Vec3d::perpendicularVector方法的具体用法？C++ Vec3d::perpendicularVector怎么用？C++ Vec3d::perpendicularVector使用的例子？那么恭喜您, 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类Vec3d的用法示例。
在下文中一共展示了Vec3d::perpendicularVector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: setView
//--------------------------------------------------------------------------------------------------
/// Repositions and orients the camera to view the rotation point along the
/// direction "alongDirection". The distance to the rotation point is maintained.
///
//--------------------------------------------------------------------------------------------------
void ManipulatorTrackball::setView( const Vec3d& alongDirection, const Vec3d& upDirection )
{
if (m_camera.isNull()) return;
Vec3d dir = alongDirection;
if (!dir.normalize()) return;
Vec3d up = upDirection;
if(!up.normalize()) up = Vec3d::Z_AXIS;
if((up * dir) < 1e-2) up = dir.perpendicularVector();
Vec3d cToE = m_camera->position() - m_rotationPoint;
Vec3d newEye = m_rotationPoint - cToE.length() * dir;
m_camera->setFromLookAt(newEye, m_rotationPoint, upDirection);
}