From 3d082505f7ca720bd34b1311a2ae7bca5e20a5f0 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Tue, 4 Mar 2025 20:15:43 +0000
Subject: Have Camera keep an array of frustum plane definitions

Based on code from https://ktstephano.github.io/rendering/stratusgfx/aabbs
---
 gfx/gl/camera.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'gfx/gl/camera.h')

diff --git a/gfx/gl/camera.h b/gfx/gl/camera.h
index 5c37744..d4fe6de 100644
--- a/gfx/gl/camera.h
+++ b/gfx/gl/camera.h
@@ -70,6 +70,12 @@ public:
 		return position;
 	}
 
+	[[nodiscard]] auto &
+	getFrustumPlanes() const
+	{
+		return frustumPlanes;
+	}
+
 	[[nodiscard]] std::array<GlobalPosition4D, 4> extentsAtDist(GlobalDistance) const;
 
 	[[nodiscard]] static Direction3D upFromForward(const Direction3D & forward);
@@ -84,4 +90,5 @@ private:
 	GlobalDistance near, far;
 	glm::mat4 view, projection;
 	glm::mat4 viewProjection, inverseViewProjection;
+	std::array<glm::vec4, 6> frustumPlanes;
 };
-- 
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