Unity 计算模型的中心点的方法

• 计算模型的中心点的方法

下面展示一些 内联代码片。

		/// 

        /// 计算模型的中心点
        /// 
        /// 
        /// 
        public Vector3 SetModelCenterEvent(Transform tran)
        {
            Vector3 position = tran.position;
            Quaternion quaternion = tran.rotation;
            Vector3 scale = tran.localScale;
            tran.position = Vector3.zero;
            tran.rotation = Quaternion.Euler(Vector3.zero);
            tran.localScale = Vector3.one;
            Vector3 center = Vector3.zero;
            Renderer[] renders = tran.GetComponentsInChildren();
            foreach (Renderer child in renders)
            {
                center += child.bounds.center;
            }
            center /= tran.GetComponentsInChildren().Length;
            Bounds bounds = new Bounds(center, Vector3.zero);
            foreach (Renderer item in renders)
            {
                bounds.Encapsulate(item.bounds);
            }
            tran.position = position;
            tran.rotation = quaternion;
            tran.localScale = scale;
            foreach (Transform item in tran)
            {
                item.position = item.position - bounds.center;
            }
            return bounds.center + tran.position;
      }