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- piccoli aggiustamenti su ZoomOnPoint e ZoomWin per impostazione centro vista.
This commit is contained in:
Dario Sassi
2026-05-14 16:07:02 +02:00
parent 8eff351f17
commit ac78227f0b
2 changed files with 8 additions and 11 deletions
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SceneCamera.cpp
+6 -9
View File
@@ -540,13 +540,6 @@ Scene::ZoomOnPoint( const Point3d& ptWin, double dCoeff)
if ( ! UnProject( ptView, ptWorld))
return false ;
// verifico che il punto sia nelle dimensioni del mondo geometrico
if ( ! m_b3ExtWorld.IsEmpty() && ! m_b3ExtWorld.Encloses( ptWorld)) {
ptWorld.x = Clamp( ptWorld.x, m_b3ExtWorld.GetMin().x, m_b3ExtWorld.GetMax().x) ;
ptWorld.y = Clamp( ptWorld.y, m_b3ExtWorld.GetMin().y, m_b3ExtWorld.GetMax().y) ;
ptWorld.z = Clamp( ptWorld.z, m_b3ExtWorld.GetMin().z, m_b3ExtWorld.GetMax().z) ;
}
// modifico opportunamente il centro di vista
Point3d ptOldCen = m_ptCenter ;
Point3d ptNewCen = ptWorld + ( m_ptCenter - ptWorld) * dCoeff ;
@@ -583,12 +576,16 @@ Scene::ZoomOnPoint( const Point3d& ptWin, double dCoeff)
bool
Scene::ZoomWin( const Point3d& ptWin1, const Point3d& ptWin2)
{
// leggo Z del pixel
double dWinZ ;
GetPixelZ( Media( ptWin1, ptWin2), dWinZ) ;
// porto i punti in coordinate mondo
Point3d ptWorld1 ;
if ( ! UnProject( Point3d( ptWin1.x, ptWin1.y, GetProjectedCenter().z), ptWorld1))
if ( ! UnProject( Point3d( ptWin1.x, ptWin1.y, dWinZ), ptWorld1))
return false ;
Point3d ptWorld2 ;
if ( ! UnProject( Point3d( ptWin2.x, ptWin2.y, GetProjectedCenter().z), ptWorld2))
if ( ! UnProject( Point3d( ptWin2.x, ptWin2.y, dWinZ), ptWorld2))
return false ;
// recupero il riferimento della camera (vista)