Live2d

Unity
3.5k words

Desc

live2d

Image text
Image text

Code

Live2D Controller

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
public Animator animator;
public List<string> clipNameArr;

public void V_PlayClipByIndex(int idx)
{
    if (idx >= clipNameArr.Count)
    {
        return;
    }
    animator.Play(clipNameArr[idx]);
}
public GameObject V_LoadLive2D(PathData pathData)
{
    // 加载模型数据
    CubismModel3Json jsonData = m_LoadLive2DJson(pathData.jsonPath);
    // 创建预制体
    GameObject prefab = ResourceManager.Instance.V_LoadPrefabFromResource(pathData.prefabPath);
    GameObject live2dGo;
    try
    {
        live2dGo = GameObject.Instantiate(prefab);
    }
    catch(Exception e)
    {
        Debug.Log(pathData);
        return null;
    }
    animator = live2dGo.GetComponent<Animator>();

    // 创建AnimatorController
    string controllerPath = pathData.animPath;
    AnimatorController animatorController = AnimatorController.CreateAnimatorControllerAtPath(controllerPath);
    AnimatorControllerLayer layer = animatorController.layers[0];
    // 添加AnimationClip
    SerializableMotion[] arr = jsonData.FileReferences.Motions.Motions[0];
    // AnimatorState lastAnimationState = null ;
    clipNameArr = new List<string>();
    for (int i = 0; i < arr.Length; i++)
    {
        string clipName = arr[i].File.Split(".")[0];
        string clipPath = string.Format("{0}/{1}.anim", pathData.clipPath, clipName);
        AnimationClip clip = AssetDatabase.LoadAssetAtPath<AnimationClip>(clipPath);
        if (clip != null)
        {
            string name = clip.name.Split(".")[0];
            if (clipNameArr.IndexOf(name) >= 0)
            {
                continue;
            }
            clip.events = new AnimationEvent[0];//取消动画事件
            AnimatorStateMachine stateMachine = layer.stateMachine;
            AnimatorState state = stateMachine.AddState(clip.name.Split(".")[0]);
            state.motion = clip;
            stateMachine.AddAnyStateTransition(state);
            {
                clipNameArr.Add(name);
            }
        }
    }
    clipNameArr.Sort();
    AssetDatabase.SaveAssets();

    animator.runtimeAnimatorController = animatorController;

    return live2dGo;
}

private CubismModel3Json m_LoadLive2DJson(string path)
{
    CubismModel3Json data=CubismModel3Json.LoadAtPath(path);
    return data;
}

PathData

少女前线的路径相对于碧蓝航线不太一样，用PathData来获取资源对应路径

1
2
3
4
5
6
7
8
9
10
11
12
13
14
public class PathData 
{
    public string jsonPath;
    public string prefabPath;
    public string animPath;
    public string clipPath;
    public PathData(string path)
    {
        jsonPath = string.Format("Assets/Resources/BLHX/{0}/{1}.model3.json", path, path);
        prefabPath = string.Format("BLHX/{0}/{1}", path, path);
        animPath = string.Format("Assets/Resources/BLHX/{0}/{1}.controller", path, path); ;
        clipPath = string.Format("Assets/Resources/BLHX/{0}", path);
    }
}

交互相关

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

private void m_AddEventCallBack()
{
    if (dropdown)
    {
        dropdown.onValueChanged.AddListener(V_ChangeClip);
    }
}

public void V_ChangeClip(int value)
{
    Live2DController.Instance.V_PlayClipByIndex(value);
}


private void m_UpdateShow()
{
    if (indexText)
    {
        indexText.text = string.Format("{0}/{1}",index,directoryInfos.Length);
    }
    if (dropdown)
    {
        dropdown.ClearOptions();
        List<OptionData> options = new List<OptionData>();
        List<string> clipNames = Live2DController.Instance.clipNameArr;
        if (clipNames == null)
        {
            return;
        }
        for(int i = 0; i < clipNames.Count; i++)
        {
            OptionData data = new OptionData();
            data.text = clipNames[i];
            options.Add(data);
        }
        dropdown.options = options;
    }
}

模型素材 Github