From d0aceb54752078200bc75a96888ffaf7483678cb Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Fri, 7 Mar 2025 00:43:25 +0000
Subject: Add function to test if an AABB is visible in a frustum

---
 gfx/aabb.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'gfx/aabb.cpp')

diff --git a/gfx/aabb.cpp b/gfx/aabb.cpp
index 862dacb..0a04ef4 100644
--- a/gfx/aabb.cpp
+++ b/gfx/aabb.cpp
@@ -22,3 +22,9 @@ AxisAlignedBoundingBox::operator+=(const GlobalPosition3D & point)
 	max = glm::max(max, point);
 	return *this;
 }
+
+AxisAlignedBoundingBox
+AxisAlignedBoundingBox::operator-(const GlobalPosition3D & viewPoint) const
+{
+	return {min - viewPoint, max - viewPoint};
+}
-- 
cgit v1.2.3