From 8566e63b26f9e7ee809c03394743a0576c499378 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Sat, 13 Jan 2024 19:45:54 +0000
Subject: We only need 3x3 matrix for model rotation spec

---
 game/vehicles/railVehicleClass.cpp | 2 +-
 game/vehicles/railVehicleClass.h   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

(limited to 'game/vehicles')

diff --git a/game/vehicles/railVehicleClass.cpp b/game/vehicles/railVehicleClass.cpp
index 3ca42db..5fd7580 100644
--- a/game/vehicles/railVehicleClass.cpp
+++ b/game/vehicles/railVehicleClass.cpp
@@ -43,7 +43,7 @@ RailVehicleClass::postLoad()
 	bogies.back()
 			->configureVAO(instancesBogiesVAO.back())
 			.addAttribs<LocationVertex, &LocationVertex::back, &LocationVertex::backPos>(instances.bufferName(), 1);
-	static_assert(sizeof(LocationVertex) == 228UL);
+	static_assert(sizeof(LocationVertex) == 144UL);
 }
 
 void
diff --git a/game/vehicles/railVehicleClass.h b/game/vehicles/railVehicleClass.h
index 913feea..9d9d4c2 100644
--- a/game/vehicles/railVehicleClass.h
+++ b/game/vehicles/railVehicleClass.h
@@ -19,7 +19,7 @@ public:
 	void shadows(const ShadowMapper & shadowMapper) const override;
 
 	struct LocationVertex {
-		glm::mat4 body, front, back;
+		glm::mat3 body, front, back;
 		GlobalPosition3D bodyPos, frontPos, backPos;
 	};
 
-- 
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