From 77d2b33af8401a8aacadfc6e5beeaf9d58df8fda Mon Sep 17 00:00:00 2001
From: tmj-fstate <dyvach@yahoo.com>
Date: Thu, 11 Oct 2018 17:25:35 +0200
Subject: [PATCH] path uv mapping fix

---
 Segment.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/Segment.cpp b/Segment.cpp
index 0bc1c272..92a3a9ca 100644
--- a/Segment.cpp
+++ b/Segment.cpp
@@ -393,7 +393,7 @@ bool TSegment::RenderLoft( gfx::vertex_array &Output, Math3D::vector3 const &Ori
 
     float m1, jmm1, m2, jmm2; // pozycje względne na odcinku 0...1 (ale nie parametr Beziera)
     step = fStep;
-    tv1 = 0.0; // Ra: to by można było wyliczać dla odcinka, wyglądało by lepiej
+    tv1 = 1.0; // Ra: to by można było wyliczać dla odcinka, wyglądało by lepiej
     s = fStep * iSkip; // iSkip - ile odcinków z początku pominąć
     int i = iSkip; // domyślnie 0
     t = fTsBuffer[ i ]; // tabela wattości t dla segmentów
@@ -431,7 +431,7 @@ bool TSegment::RenderLoft( gfx::vertex_array &Output, Math3D::vector3 const &Ori
         while( tv1 < 0.0 ) {
             tv1 += 1.0;
         }
-        tv2 = tv1 + step / texturelength; // mapowanie na końcu segmentu
+        tv2 = tv1 - step / texturelength; // mapowanie na końcu segmentu
 
         t = fTsBuffer[ i ]; // szybsze od GetTFromS(s);
         pos2 = glm::dvec3{ FastGetPoint( t ) - Origin };
@@ -455,7 +455,7 @@ bool TSegment::RenderLoft( gfx::vertex_array &Output, Math3D::vector3 const &Ori
                     Output.emplace_back(
                         pt,
                         glm::normalize( norm ),
-                        glm::vec2 { 1.f - ( jmm1 * ShapePoints[ j ].texture.x + m1 * ShapePoints[ j + iNumShapePoints ].texture.x ) / texturescale, tv1 } );
+                        glm::vec2 { ( jmm1 * ShapePoints[ j ].texture.x + m1 * ShapePoints[ j + iNumShapePoints ].texture.x ) / texturescale, tv1 } );
                 }
                 if( p ) // jeśli jest wskaźnik do tablicy
                     if( *p )
@@ -475,7 +475,7 @@ bool TSegment::RenderLoft( gfx::vertex_array &Output, Math3D::vector3 const &Ori
                     Output.emplace_back(
                         pt,
                         glm::normalize( norm ),
-                        glm::vec2 { 1.f - ( jmm2 * ShapePoints[ j ].texture.x + m2 * ShapePoints[ j + iNumShapePoints ].texture.x ) / texturescale, tv2 } );
+                        glm::vec2 { ( jmm2 * ShapePoints[ j ].texture.x + m2 * ShapePoints[ j + iNumShapePoints ].texture.x ) / texturescale, tv2 } );
                 }
                 if( p ) // jeśli jest wskaźnik do tablicy
                     if( *p )
@@ -499,7 +499,7 @@ bool TSegment::RenderLoft( gfx::vertex_array &Output, Math3D::vector3 const &Ori
                     Output.emplace_back(
                         pt,
                         glm::normalize( norm ),
-                        glm::vec2 { 1.f - ShapePoints[ j ].texture.x / texturescale, tv1 } );
+                        glm::vec2 { ShapePoints[ j ].texture.x / texturescale, tv1 } );
 
                     pt = parallel2 * ShapePoints[ j ].position.x + pos2;
                     pt.y += ShapePoints[ j ].position.y;
@@ -510,7 +510,7 @@ bool TSegment::RenderLoft( gfx::vertex_array &Output, Math3D::vector3 const &Ori
                     Output.emplace_back(
                         pt,
                         glm::normalize( norm ),
-                        glm::vec2 { 1.f - ShapePoints[ j ].texture.x / texturescale, tv2 } );
+                        glm::vec2 { ShapePoints[ j ].texture.x / texturescale, tv2 } );
                 }
             }
         }