From 278c3d3be924246488226ae89e67616955dce661 Mon Sep 17 00:00:00 2001
From: rodri <rgl@antares-labs.eu>
Date: Mon, 6 Jul 2020 19:45:08 +0000
Subject: bring in the edge function and ptinpoly algorithm.

---
 geometry.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'geometry.h')

diff --git a/geometry.h b/geometry.h
index 3d99b41..7b4402d 100644
--- a/geometry.h
+++ b/geometry.h
@@ -7,6 +7,7 @@ typedef double Matrix3[4][4];
 typedef struct Quaternion Quaternion;
 typedef struct RFrame RFrame;
 typedef struct RFrame3 RFrame3;
+typedef struct Triangle2 Triangle2;
 typedef struct Triangle3 Triangle3;
 
 struct Point2 {
@@ -31,6 +32,11 @@ struct RFrame3 {
 	Point3 bx, by, bz;
 };
 
+struct Triangle2
+{
+	Point2 p0, p1, p2;
+};
+
 struct Triangle3 {
 	Point3 p0, p1, p2;
 };
-- 
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