//修改为透明
  material.SetFloat("_Surface",1.0f);
  material.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.One);
  material.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.OneMinusSrcAlpha);
  material.SetInt("_ZWrite", 0);
  material.DisableKeyword("_ALPHATEST_ON");
  material.DisableKeyword("_ALPHABLEND_ON");
  material.EnableKeyword("_ALPHAPREMULTIPLY_ON");
  material.renderQueue = 3000;
 
//修改为不透明
  material.SetFloat("_Surface",0.0f);
  material.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.One);
  material.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.Zero);
  material.SetInt("_ZWrite", 1);
  material.DisableKeyword("_ALPHATEST_ON");
  material.DisableKeyword("_ALPHABLEND_ON");
  material.DisableKeyword("_ALPHAPREMULTIPLY_ON");
  material.renderQueue = -1;