Unity动画控制

主要为动画播放及片段时长获取：

/*******************************************************************************
* 版本声明：v1.0.0
* 类 名 称：AnimatorController
* 创建日期：10/17/2019 11:44:02 AM
* 作者名称：末零
* 功能描述：动画控制
******************************************************************************/

using System;
using UnityEngine;

namespace LastZero
{
    /// <summary>
    /// 动画控制
    /// </summary>
    public static class AnimatorController
	{
        /// <summary>
        /// 播放动画
        /// </summary>
        /// <param name="animator">animator</param>
        /// <param name="aniName">动画名</param>
        /// <param name="callback">回调</param>
        /// <returns>时长</returns>
        public static float Play(this Animator animator, string aniName, Action callback = null)
        {
            if (!animator.TryGetClip(aniName))
            {
                Debug.LogError("未找到该动画！");
                return 0;
            }

            float lengh = animator.GetLengthByName(aniName);

            if (callback == null)
                return lengh;

            CoroutinesController.DelayDo(() =>
            {
                callback?.Invoke();
            }, lengh);

            return lengh;
        }

        /// <summary>
        /// 获取动画时长
        /// </summary>
        /// <param name="animator">animator</param>
        /// <param name="name">名字</param>
        /// <returns>时长</returns>
        public static float GetLengthByName(this Animator animator, string name)
        {
            float length = 0;
            AnimationClip[] clips = animator.runtimeAnimatorController.animationClips;
            foreach (AnimationClip clip in clips)
            {
                if (clip.name.Equals(name))
                {
                    length = clip.length;
                    break;
                }
            }
            return length;
        }

        /// <summary>
        /// Try--获取Clip
        /// </summary>
        /// <param name="animator">animator</param>
        /// <param name="name">名字</param>
        /// <returns></returns>
        private static bool TryGetClip(this Animator animator, string name)
        {
            AnimationClip[] clips = animator.runtimeAnimatorController.animationClips;
            foreach (AnimationClip clip in clips)
            {
                if (clip.name.Equals(name))
                {
                    return true;
                }
            }
            return false;
        }
    }
}