SceneView 追踪选择目标

在编辑器的Scene视图中追踪选择目标，调试动作用

SceneView这个类没有说明文档比较蛋疼

在update中调用SceneViewCameraFace2Target函数,编辑器的OnInspectorUpdate不够平滑

每帧重绘SceneView的lastActiveSceneView,原本想要获取Scene视图中的Camera对象的,没有找到接口但是功能是达到了

 

#if UNITY_EDITOR

    private GameObject focusTarget = null;

    public void SceneViewCameraFace2Target( )

    {

        if (UnityEditor.Selection.activeGameObject != null)

        {

            focusTarget = UnityEditor.Selection.activeGameObject;

        }

        

        if (focusTarget != null)

        {

            Quaternion rotation = focusTarget.transform.rotation * Quaternion.AngleAxis(180, Vector3.up);

            Vector3 pos = focusTarget.transform.position + new Vector3(0,3,0);

            UnityEditor.SceneView.lastActiveSceneView.rotation = rotation;

            UnityEditor.SceneView.lastActiveSceneView.pivot = pos;

            UnityEditor.SceneView.lastActiveSceneView.Repaint();

        }

    }

#endif

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