feilong-client/Assets/Scripts/Spine/Runtime/spine-unity/Mesh Generation/DoubleBuffered.cs

/******************************************************************************
 * Spine Runtimes License Agreement
 * Last updated January 1, 2020. Replaces all prior versions.
 *
 * Copyright (c) 2013-2020, Esoteric Software LLC
 *
 * Integration of the Spine Runtimes into software or otherwise creating
 * derivative works of the Spine Runtimes is permitted under the terms and
 * conditions of Section 2 of the Spine Editor License Agreement:
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 *
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 * or otherwise create derivative works of the Spine Runtimes (collectively,
 * "Products"), provided that each user of the Products must obtain their own
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namespace Spine.Unity {
	public class DoubleBuffered<T> where T : new() {
		readonly T a = new T();
		readonly T b = new T();
		bool usingA;

		public T GetCurrent () {
			return usingA ? a : b;
		}

		public T GetNext () {
			usingA = !usingA;
			return usingA ? a : b;
		}
	}
}