From 335e9c6b4bbc5bbf1a861ac16abf612f5519dd5e Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Fri, 5 Jan 2024 20:20:14 +0000
Subject: Template GeometicPlane on Position type

---
 lib/geometricPlane.cpp |  8 ++++++++
 lib/geometricPlane.h   | 23 +++++++++++------------
 2 files changed, 19 insertions(+), 12 deletions(-)
 create mode 100644 lib/geometricPlane.cpp

(limited to 'lib')

diff --git a/lib/geometricPlane.cpp b/lib/geometricPlane.cpp
new file mode 100644
index 0000000..7aadf6a
--- /dev/null
+++ b/lib/geometricPlane.cpp
@@ -0,0 +1,8 @@
+#include "geometricPlane.h"
+
+bool
+GeometricPlane::isIntersect(PlaneRelation a, PlaneRelation b)
+{
+	return ((a == PlaneRelation::Above && b == PlaneRelation::Below)
+			|| (a == PlaneRelation::Below && b == PlaneRelation::Above));
+}
diff --git a/lib/geometricPlane.h b/lib/geometricPlane.h
index 5be76ec..fd3a1d7 100644
--- a/lib/geometricPlane.h
+++ b/lib/geometricPlane.h
@@ -8,18 +8,24 @@
 #include <optional>
 
 class GeometricPlane {
+public:
+	enum class PlaneRelation { Above, Below, On };
+
+	static bool isIntersect(PlaneRelation a, PlaneRelation b);
+};
+
+template<typename PositionType> class GeometricPlaneT : public GeometricPlane {
 public:
 	struct DistAndPosition {
-		float dist;
-		Position3D position;
+		PositionType::value_type dist;
+		PositionType position;
 	};
-	enum class PlaneRelation { Above, Below, On };
 
-	Position3D origin;
+	PositionType origin;
 	Normal3D normal;
 
 	[[nodiscard]] inline PlaneRelation
-	getRelation(Position3D point) const
+	getRelation(PositionType point) const
 	{
 		const auto d = glm::dot(normal, point - origin);
 		return d < 0.F ? PlaneRelation::Below : d > 0.F ? PlaneRelation::Above : PlaneRelation::On;
@@ -34,11 +40,4 @@ public:
 		}
 		return DistAndPosition {dist, ray.start + (ray.direction * dist)};
 	}
-
-	inline static bool
-	isIntersect(PlaneRelation a, PlaneRelation b)
-	{
-		return ((a == PlaneRelation::Above && b == PlaneRelation::Below)
-				|| (a == PlaneRelation::Below && b == PlaneRelation::Above));
-	}
 };
-- 
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