From 076e1f297770351f433c4807c14db03d173f74e6 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Thu, 21 Mar 2019 19:14:12 +0100
Subject: [PATCH] 3d:: fixed linewidth

---
 polygons.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/polygons.cpp b/polygons.cpp
index 3239778a..d473be59 100644
--- a/polygons.cpp
+++ b/polygons.cpp
@@ -677,7 +677,7 @@ void dqi_poly::gldraw() {
 #endif
 
 double scale_at(const transmatrix& T) {
-  if(DIM == 3) return 1 / (tC0(T))[2];
+  if(DIM == 3 && pmodel == mdPerspective) return 1 / (tC0(T))[2];
   using namespace hyperpoint_vec;
   hyperpoint h1, h2, h3;
   applymodel(tC0(T), h1);
@@ -689,7 +689,7 @@ double scale_at(const transmatrix& T) {
 double linewidthat(const hyperpoint& h) {
   if(!(vid.antialias & AA_LINEWIDTH)) return 1;
   else if(hyperbolic && pmodel == mdDisk && vid.alpha == 1) {
-    double dz = h[2];
+    double dz = h[DIM];
     if(dz < 1 || abs(dz-current_display->scrdist) < 1e-6) return 1;
     else {
       double dx = sqrt(dz * dz - 1);
@@ -698,7 +698,7 @@ double linewidthat(const hyperpoint& h) {
       return dfc;
       }
     }
-  else if(svg::in) {
+  else if(svg::in || inHighQual) {
     using namespace hyperpoint_vec;
     hyperpoint h0 = h / zlevel(h);
     transmatrix T = rgpushxto0(h0);