using UnityEngine;
using System.Collections;

public class AnimationAntiSowing : MonoBehaviour {


  public static AnimationAntiSowing _initialise;

  void Awake()
  {
    _initialise = this;
  }

  /// <summary>
  ///  The animation plays forward and backward
  /// </summary>
  /// <param name="gameObject"> Object that needs to be animated </param>
  /// <param name="isZhengOrFan"> The playback state of the animation </param>
  /// <param name="animation"> The animation state </param>
  /// <returns></returns>
  public bool isPositiveAndNegativePlay(GameObject gameObject,bool isZhengOrFan,AnimationState animation)
  {
    // Determines the playback state of the incoming animation
    //---- The state passed in is true , indicating normal play
    //---- The state passed in is false , indicating that the animation can be played back
    if(!isZhengOrFan)
    {
      // Play an animation when no animation is playing
      if(!gameObject.animation.isPlaying)
      {
        gameObject.animation.Play();
        //----- Changes the playback state of the animation -----
        // The current time of the animation is set to initialize
        animation.time = 0f;
        // The animation is played at normal speed
        animation.speed = 1.0f;
        // Change the incoming bool The value of the variable
        isZhengOrFan = true;
      }
    }
    else
    {
      // Play an animation when no animation is playing
      if (!gameObject.animation.isPlaying)
      {
        gameObject.animation.Play();
        //----- Changes the playback state of the animation -----
        // The current time of the animation is set to the length of the animation
        animation.time = animation.length;
        // Go backwards, that is, the animation is played backwards, from the end to the start
        animation.speed = -1.0f;
        // Change the incoming bool The value of the variable
        isZhengOrFan = false;
      }
    }

    return isZhengOrFan;
  }
}

That’s all for this article, I hope you enjoy it.