From e133fffd5d643209a9d9026fecf4802ef0849930 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Thu, 13 Feb 2020 11:09:18 +0100
Subject: [PATCH] nilv:: nilwidth option

---
 nonisotropic.cpp | 9 ++++++++-
 polygons.cpp     | 7 ++++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/nonisotropic.cpp b/nonisotropic.cpp
index e32366e3..20cf0dc7 100644
--- a/nonisotropic.cpp
+++ b/nonisotropic.cpp
@@ -831,7 +831,9 @@ EX namespace nilv {
 
   static const mvec mvec_zero = mvec(0, 0, 0);
 
-  hyperpoint mvec_to_point(mvec m) { return hpxy3(m[0], m[1], m[2]); }
+  EX ld nilwidth = 1;
+      
+  hyperpoint mvec_to_point(mvec m) { return hpxy3(m[0] * nilwidth, m[1] * nilwidth, m[2] * nilwidth * nilwidth); }
   
   #if HDR
   struct nilstructure {
@@ -2127,6 +2129,11 @@ EX namespace nisot {
       nilv::set_flags();
       return 0;
       }
+    else if(argis("-nilwidth")) {
+      PHASEFROM(2);
+      shift_arg_formula(nilv::nilwidth);
+      return 0;
+      }
     else if(argis("-nilv")) {
       PHASEFROM(2);
       if(nil) stop_game();
diff --git a/polygons.cpp b/polygons.cpp
index f1c39cf3..81471661 100644
--- a/polygons.cpp
+++ b/polygons.cpp
@@ -1079,7 +1079,12 @@ void geometry_information::create_wall3d() {
     }
   
   if(geometry == gNil) {
-    for(int i=0; i<S7; i++) make_wall(i, nilv::current_ns().facevertices[i]);
+    for(int i=0; i<S7; i++) {
+      vector<hyperpoint> fvs = nilv::current_ns().facevertices[i];
+      using nilv::nilwidth;
+      for(auto& h: fvs) h[0] *= nilwidth, h[1] *= nilwidth, h[2] *= nilwidth * nilwidth;
+      make_wall(i, fvs);
+      }
     }
   
   if(kite::in()) {