unity修改導入模型的默認scale factor

using UnityEngine;
using UnityEditor;
class MeshPostprocessor : AssetPostprocessor {
	void OnPreprocessModel () {
		(assetImporter as ModelImporter).globalScale = 0.01f;
	}
}

MeshPostprocessor.cs放到Assets\Editor下，這樣子導入模型後默認的scale factor就是0.01了，改完後要註釋掉，不然以後要改改不了