From ff9574ca40a37f3d102855b84affc87383aa2a83 Mon Sep 17 00:00:00 2001
From: Neil Gershenfeld <gersh@cba.mit.edu>
Date: Thu, 16 Jan 2020 14:29:52 -0500
Subject: [PATCH] tilted top broken
---
modules/mesh/height map | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/modules/mesh/height map b/modules/mesh/height map
index 2627d30..bcad4bc 100644
--- a/modules/mesh/height map
+++ b/modules/mesh/height map
@@ -408,6 +408,11 @@ function map_worker() {
offset += 4
offset += 2
//
+ // check normal if needs to be drawn
+ //
+ if (((x1-x0)*(y1-y2)-(x1-x2)*(y1-y0)) >= 0)
+ continue
+ //
// quantize image coordinates
//
x0 = Math.floor((w-1)*(x0-xmin)/(xmax-xmin))
@@ -417,11 +422,6 @@ function map_worker() {
y1 = Math.floor((h-1)*(y1-ymin)/(ymax-ymin))
y2 = Math.floor((h-1)*(y2-ymin)/(ymax-ymin))
//
- // check normal if needs to be drawn
- //
- if (((x1-x0)*(y1-y2)-(x1-x2)*(y1-y0)) >= 0)
- continue
- //
// sort projection order
//
if (y1 > y2) {
--
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