//绘制信息的类
private static void SetDrawSpriteAsset(SpriteAsset spriteAsset)
{
//添加
if (_drawSpriteAsset == null)
{
_drawSpriteAsset = new DrawSpriteAsset(spriteAsset);
}
else
{
_drawSpriteAsset.SetSpriteAsset(spriteAsset);
}
}