bool CBaseAddController::getPickPosition( core::vector3df *pos )
{
IView *pView = getIView();
// move object
core::line3df ray = pView->getSelectRay();
// check hit on terrain
CDocument *pDoc = (CDocument*) pView->getDocument();
ArrayZone* zones = pDoc->getAllZone();
ArrayZoneIter i = zones->begin(), end = zones->end();
while ( i != end )
{
core::vector3df colPoint;
core::triangle3df colTri;
float maxDistance = ray.getLengthSQ();
if ( (*i)->getTerrainCollision( ray, maxDistance, colPoint, colTri ) == true )
{
*pos = colPoint;
return true;
}
i++;
}
core::plane3df plane( core::vector3df(0.0f, 0.0f, 0.0f), core::vector3df(0.0f, 1.0f, 0.0f) );
// get position
core::vector3df hit;
bool b = plane.getIntersectionWithLine( ray.start, ray.getVector(), hit );
if ( b )
{
ICameraSceneNode *cam = pView->getSceneMgr()->getActiveCamera();
core::vector3df camPos = cam->getAbsolutePosition();
core::line3df camRay( camPos, hit );
if ( camRay.getLength() < 5000 )
{
*pos = hit;
return true;
}
}
return false;
}
