From 0d52b22cad049a9e5564b80a342100dc75fd5018 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Sun, 2 Mar 2025 22:14:42 +0100
Subject: [PATCH] added some comments to atscreenpos

---
 hypgraph.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hypgraph.cpp b/hypgraph.cpp
index 338f99c5..cffb3d13 100644
--- a/hypgraph.cpp
+++ b/hypgraph.cpp
@@ -2563,6 +2563,7 @@ struct flat_model_enabler {
   };
 #endif
 
+/** atscreenpos(x,y) * eupoint(x1,y1) renders at pixel coordinates (x+x1, y+y1) */
 EX shiftmatrix atscreenpos(ld x, ld y) {
   transmatrix V = Id;
   
@@ -2591,6 +2592,7 @@ EX shiftmatrix atscreenpos(ld x, ld y) {
   return shiftless(V);
   }
 
+/** here, size is relative to the 'standard size' */
 EX shiftmatrix atscreenpos(ld x, ld y, ld size) {
   shiftmatrix V = atscreenpos(x, y);
   ld s = size * 2 * cgi.hcrossf / cgi.crossf;