仿照 雨鬆MOMO 寫了一個自動生成動畫的指令碼 原地址 http://www.xuanyusong.com/archives/3243

新增選單Tools/CreateAnimation，彈出視窗

你需要設定動畫名、是否迴圈及動畫播放幀率，拖入一張待生成動畫的圖片。

using System.Collections.Generic;
using UnityEngine;
using UnityEditor;
using UnityEngine.UI;
using System.IO;
using UnityEditor.Animations;

public class CreateAnimation : EditorWindow {
    string AnimationName = "";
    Texture2D ImageName;
    //圖片所在資料夾位置
    string ImagePath = "";
    //動畫存放位置
    string AnimationPath = "";
    //預製體存放位置
    string PrefabPath = "";
    //動畫是否迴圈
    bool showBtn = true;
    //動畫幀率
    string frameRate = "";

    //定義彈出當前視窗的選單位置
    [MenuItem("Tools/CreateAnimation")]
    static void Init()
    {
        //彈出視窗
        EditorWindow.GetWindow(typeof(CreateAnimation));
    }

    void OnGUI()
    {
        AnimationName = EditorGUILayout.TextField("待生成的動畫名：", AnimationName);
        EditorGUILayout.BeginHorizontal();
        ImageName = (Texture2D)EditorGUILayout.ObjectField("待用第一張圖片：", ImageName, typeof(Texture2D));
        EditorGUILayout.EndHorizontal();
        showBtn = EditorGUILayout.Toggle("是否迴圈", showBtn);
        frameRate = EditorGUILayout.TextField("動畫幀率（預設30）：", frameRate);
        ImagePath = EditorGUILayout.TextField("圖片獲取路徑：", ImagePath);
        AnimationPath = EditorGUILayout.TextField("動畫生成位置：", AnimationPath);
        PrefabPath = EditorGUILayout.TextField("預製體生成位置：", PrefabPath);

        if (GUI.Button(new Rect(Screen.width / 4, 200, Screen.width / 2, 30), "生成動畫"))
        {
            BuildAnimation();
        }
    }

    void BuildAnimation()
    {
        if (AnimationName == "" || ImageName == null)
        {
            Debug.LogError("沒有給動畫命名或沒有選入圖片");
            return;
        }
        if (ImagePath != null)
        {
            ImagePath = Path.GetDirectoryName(AssetDatabase.GetAssetPath(ImageName));
            string[] _tempPath = Path.GetDirectoryName(ImagePath).Split('/');
            string ss = "";
            AnimationPath = _tempPath[0] + "/Animation";
            PrefabPath = _tempPath[0] + "/Resources/Prefabs";
            for (int i = 2; i < _tempPath.Length; i++)
            {
                ss += ("/" + _tempPath[i]);
            }
            AnimationPath += (ss + "/" + _tempPath[_tempPath.Length - 1] + "_anim");
            PrefabPath += (ss + "/" + _tempPath[_tempPath.Length - 1] + "_Prefab");
            //建立資料夾
            Directory.CreateDirectory(AnimationPath);
            Directory.CreateDirectory(PrefabPath);
        }

        DirectoryInfo info = new DirectoryInfo(Application.dataPath.Substring(0, Application.dataPath.LastIndexOf("/")) + "/" + ImagePath);
        //Debug.Log(info);
        List<AnimationClip> clips = new List<AnimationClip>();
        clips.Add(BuildAnimationClip(info));
        AnimatorController controller = BuildAnimationController(clips);
        BuildPrefab(info, controller);
    }
    AnimationClip BuildAnimationClip(DirectoryInfo dictorys)
    {
        string animationName = dictorys.Name;
        List<FileInfo> images = new List<FileInfo>();
        foreach (FileInfo fi in dictorys.GetFiles())
        {
            if (fi.Extension.Equals(".png") && !fi.Extension.Equals(".meta"))
            {
                images.Add(fi);
            }
        }
        AnimationClip clip = new AnimationClip();
        EditorCurveBinding curveBinding = new EditorCurveBinding();
        curveBinding.type = typeof(Image);
        curveBinding.path = "";
        curveBinding.propertyName = "m_Sprite";
        ObjectReferenceKeyframe[] keyFrames = new ObjectReferenceKeyframe[images.Count];

        float frameTime = 1 / 10f;
        for (int i = 0; i < images.Count; i++)
        {
            Sprite sprite = AssetDatabase.LoadAssetAtPath<Sprite>(DataPathToAssetPath(images[i].FullName));
            keyFrames[i] = new ObjectReferenceKeyframe();
            keyFrames[i].time = frameTime * i;
            keyFrames[i].value = sprite;
        }

        if (frameRate == "")
        {
            clip.frameRate = 30;
            frameRate = "30";
        }
        else
        {
            clip.frameRate = int.Parse(frameRate);
        }

        if (showBtn)
        {
            SerializedObject serializedClip = new SerializedObject(clip);
            AnimationClipSettings clipSettings = new AnimationClipSettings(serializedClip.FindProperty("m_AnimationClipSettings"));
            clipSettings.loopTime = true;
            serializedClip.ApplyModifiedProperties();
        }
        AnimationUtility.SetObjectReferenceCurve(clip, curveBinding, keyFrames);
        AssetDatabase.CreateAsset(clip, AnimationPath + "/" + AnimationName + ".anim");
        AssetDatabase.SaveAssets();
        return clip;
    }
    AnimatorController BuildAnimationController(List<AnimationClip> clips)
    {
        AnimatorController animatorController = AnimatorController.CreateAnimatorControllerAtPath(AnimationPath + "/" + AnimationName + ".controller");
        AnimatorControllerLayer layer = animatorController.layers[0];
        AnimatorStateMachine sm = layer.stateMachine;
        foreach (AnimationClip newClip in clips)
        {
            AnimatorState state = sm.AddState(newClip.name);
            state.motion = newClip;
        }
        AssetDatabase.SaveAssets();
        return animatorController;
    }
    void BuildPrefab(DirectoryInfo dictorys, AnimatorController animatorCountorller)
    {
        FileInfo images = dictorys.GetFiles("*.png")[0];
        GameObject go = new GameObject();
        go.name = AnimationName;
        Image img = go.AddComponent<Image>();
        go.GetComponent<RectTransform>().sizeDelta = new Vector2(ImageName.width, ImageName.height);
        img.sprite = AssetDatabase.LoadAssetAtPath<Sprite>(DataPathToAssetPath(images.FullName));
        Animator animator = go.AddComponent<Animator>();
        animator.runtimeAnimatorController = animatorCountorller;
        PrefabUtility.CreatePrefab(PrefabPath  +"/" + AnimationName + ".prefab", go);
        DestroyImmediate(go);
    }
    public static string DataPathToAssetPath(string path)
    {
        if (Application.platform == RuntimePlatform.WindowsEditor)
            return path.Substring(path.IndexOf("Assets\\"));
        else
            return path.Substring(path.IndexOf("Assets/"));
    }
}
 

using System.Collections;
using System.Collections.Generic;
using UnityEditor;
using UnityEngine;

public class AnimationClipSettings :  Editor 
{

    SerializedProperty m_Property;

    private SerializedProperty Get(string property) { return m_Property.FindPropertyRelative(property); }

    public AnimationClipSettings(SerializedProperty prop) { m_Property = prop; }

    public float startTime { get { return Get("m_StartTime").floatValue; } set { Get("m_StartTime").floatValue = value; } }
    public float stopTime { get { return Get("m_StopTime").floatValue; } set { Get("m_StopTime").floatValue = value; } }
    public float orientationOffsetY { get { return Get("m_OrientationOffsetY").floatValue; } set { Get("m_OrientationOffsetY").floatValue = value; } }
    public float level { get { return Get("m_Level").floatValue; } set { Get("m_Level").floatValue = value; } }
    public float cycleOffset { get { return Get("m_CycleOffset").floatValue; } set { Get("m_CycleOffset").floatValue = value; } }

    public bool loopTime { get { return Get("m_LoopTime").boolValue; } set { Get("m_LoopTime").boolValue = value; } }
    public bool loopBlend { get { return Get("m_LoopBlend").boolValue; } set { Get("m_LoopBlend").boolValue = value; } }
    public bool loopBlendOrientation { get { return Get("m_LoopBlendOrientation").boolValue; } set { Get("m_LoopBlendOrientation").boolValue = value; } }
    public bool loopBlendPositionY { get { return Get("m_LoopBlendPositionY").boolValue; } set { Get("m_LoopBlendPositionY").boolValue = value; } }
    public bool loopBlendPositionXZ { get { return Get("m_LoopBlendPositionXZ").boolValue; } set { Get("m_LoopBlendPositionXZ").boolValue = value; } }
    public bool keepOriginalOrientation { get { return Get("m_KeepOriginalOrientation").boolValue; } set { Get("m_KeepOriginalOrientation").boolValue = value; } }
    public bool keepOriginalPositionY { get { return Get("m_KeepOriginalPositionY").boolValue; } set { Get("m_KeepOriginalPositionY").boolValue = value; } }
    public bool keepOriginalPositionXZ { get { return Get("m_KeepOriginalPositionXZ").boolValue; } set { Get("m_KeepOriginalPositionXZ").boolValue = value; } }
    public bool heightFromFeet { get { return Get("m_HeightFromFeet").boolValue; } set { Get("m_HeightFromFeet").boolValue = value; } }
    public bool mirror { get { return Get("m_Mirror").boolValue; } set { Get("m_Mirror").boolValue = value; } }
}