From 0c90cd799d11c9b63a40364ff418afcbc2867609 Mon Sep 17 00:00:00 2001
From: whitequark <whitequark@whitequark.org>
Date: Mon, 25 Jul 2016 10:07:28 +0000
Subject: [PATCH] Align normals and workplanes to pixel grid.

They look much sharper and nicer this way, and more similar to 2.0.
---
 src/drawentity.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/drawentity.cpp b/src/drawentity.cpp
index 8ccd9230..d0f02e9d 100644
--- a/src/drawentity.cpp
+++ b/src/drawentity.cpp
@@ -581,6 +581,7 @@ void Entity::Draw(DrawAs how, Canvas *canvas) {
                 } else {
                     tail = SK.GetEntity(point[0])->PointGetNum();
                 }
+                tail = camera.AlignToPixelGrid(tail);
                 Vector v = (q.RotationN()).WithMagnitude(50.0 / camera.scale);
                 Vector tip = tail.Plus(v);
                 canvas->DrawLine(tail, tip, hcs);
@@ -602,6 +603,7 @@ void Entity::Draw(DrawAs how, Canvas *canvas) {
             const Camera &camera = canvas->GetCamera();
 
             Vector p = SK.GetEntity(point[0])->PointGetNum();
+            p = camera.AlignToPixelGrid(p);
 
             Vector u = Normal()->NormalU();
             Vector v = Normal()->NormalV();