feilong-client/Assets/Scripts/Spine/Runtime/spine-unity/Components/SkeletonUtility/FollowLocationRigidbody2D.cs

/******************************************************************************
 * Spine Runtimes License Agreement
 * Last updated January 1, 2020. Replaces all prior versions.
 *
 * Copyright (c) 2013-2020, Esoteric Software LLC
 *
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 * 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,
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using UnityEngine;

namespace Spine.Unity {

	/// <summary>
	/// Utility component to support flipping of hinge chains (chains of HingeJoint objects) along with the parent skeleton.
	/// 
	/// Note: This component is automatically attached when calling "Create Hinge Chain" at <see cref="SkeletonUtilityBone"/>.
	/// </summary>
	[RequireComponent(typeof(Rigidbody2D))]
	public class FollowLocationRigidbody2D : MonoBehaviour {
	
		public Transform reference;
		public bool followFlippedX;
		Rigidbody2D ownRigidbody;

		private void Awake () {
			ownRigidbody = this.GetComponent<Rigidbody2D>();
		}

		void FixedUpdate () {
			if (followFlippedX) {
				ownRigidbody.rotation = ((-reference.rotation.eulerAngles.z + 270f) % 360f) - 90f;
			}
			else
				ownRigidbody.rotation = reference.rotation.eulerAngles.z;
			ownRigidbody.position = reference.position;
		}
	}
}