From b222c21715384efc2eaa53d3ba295fb34da5b599 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Sun, 9 Apr 2023 12:24:55 +0100
Subject: Start to factor out geometric place from face controller split

---
 lib/geometricPlane.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 lib/geometricPlane.cpp

(limited to 'lib/geometricPlane.cpp')

diff --git a/lib/geometricPlane.cpp b/lib/geometricPlane.cpp
new file mode 100644
index 0000000..cb52997
--- /dev/null
+++ b/lib/geometricPlane.cpp
@@ -0,0 +1,9 @@
+#include "geometricPlane.h"
+#include <glm/geometric.hpp>
+
+GeometricPlane::PlaneRelation
+GeometricPlane::getRelation(glm::vec3 p) const
+{
+	const auto d = glm::dot(normal, p - origin);
+	return d < 0.f ? PlaneRelation::Below : d > 0.f ? PlaneRelation::Above : PlaneRelation::On;
+}
-- 
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