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App/v8kernel/Cofm.h

@@ -0,0 +1,48 @@
+/* Copyright 2003-2006 ROBLOX Corporation, All Rights Reserved */
+
+#pragma once
+
+#include "Util/G3DCore.h"
+#include "Util/Memory.h"
+
+namespace RBX {
+
+	class Body;
+
+	class Cofm : public Allocator<Cofm>
+	{
+	private:
+		Body*				body;
+		bool				dirty;
+		Vector3				cofmInBody;
+		float				mass;
+		Matrix3				moment;
+
+		void				updateIfDirty();	// true if was dirty
+
+	public:
+		Cofm(Body* body);
+
+		bool				getIsDirty() const {return dirty;}
+
+		void				makeDirty() {
+			dirty = true;
+		}
+
+		const Vector3& getCofmInBody() {
+			updateIfDirty();
+			return cofmInBody;
+		}
+
+        float getMass() {
+			updateIfDirty();
+			return mass;
+		}
+
+		const Matrix3& getMoment() {
+			updateIfDirty();
+			return moment;
+		}
+	};
+
+} // namespace