From 8eff351f17f4bd183d34ce607b84a039bde9f142 Mon Sep 17 00:00:00 2001
From: Dario Sassi <dario.sassi@egalware.com>
Date: Tue, 12 May 2026 18:08:07 +0200
Subject: [PATCH] =?UTF-8?q?EgtGraphics=203.1e2=20:=20-=20piccole=20miglior?=
 =?UTF-8?q?ie=20per=20rendere=20pi=C3=B9=20stabile=20rotazione=20camera.?=
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Content-Transfer-Encoding: 8bit

---
 EgtGraphics.rc  | Bin 11606 -> 11606 bytes
 SceneBasic.cpp  |   2 +-
 SceneCamera.cpp |   2 +-
 3 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/EgtGraphics.rc b/EgtGraphics.rc
index 4db74ec74c67976dac41c1dfb8fd7635e1590b5b..2d26983cca90b9c31e6967ac240c63718ca98a65 100644
GIT binary patch
delta 92
zcmcZ>buDVcFE&P_%?J7RGfm>rnOvZ#2IO6otYqBW#%;w6meB=K7bUA1H)jc3pa^Yd
L!LC(6*^LVT>(Cx}

delta 92
zcmcZ>buDVcFE&QQ%?J7RGfm>rnOvZ#2IO6otYqBW#%;w6meB=K7bUA1H)jc3pa^Yd
L!LC(6*^LVT>Rujj

diff --git a/SceneBasic.cpp b/SceneBasic.cpp
index 8afbae0..2d0ea6a 100644
--- a/SceneBasic.cpp
+++ b/SceneBasic.cpp
@@ -982,7 +982,7 @@ Scene::GetPixelZ( const Point3d& ptWin, double& dWinZ)
    float dZ ;
    bool bOk = true ;
    glReadPixels( int( ptWin.x), int( Viewport[3] - ptWin.y), 1, 1, GL_DEPTH_COMPONENT, GL_FLOAT, &dZ) ;
-   if ( glGetError() == GL_NO_ERROR  &&  dZ > 0.001f  &&  dZ < 0.999f)
+   if ( glGetError() == GL_NO_ERROR  &&  dZ > 0.1f  &&  dZ < 0.9f)
       dWinZ = dZ ;
    else {
       bOk = false ;
diff --git a/SceneCamera.cpp b/SceneCamera.cpp
index 21032ca..d7e4b9d 100644
--- a/SceneCamera.cpp
+++ b/SceneCamera.cpp
@@ -541,7 +541,7 @@ Scene::ZoomOnPoint( const Point3d& ptWin, double dCoeff)
       return false ;
 
   // verifico che il punto sia nelle dimensioni del mondo geometrico
-   if ( ! m_b3ExtWorld.Encloses( ptWorld)) {
+   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) ;