问题描述
我正在探索Object3D软件包，它对于某些.Obj文件效果很好，但在某些没有错误的文件上却失败了，在某些情况下，它会抛出此错误消息
The following FormatException was thrown during paint():
Invalid double
The relevant error-causing widget was:
CustomPaint file:///C:/Users/Tiwari/.AndroidStudio4.0/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_3d_obj-0.0.6/lib/flutter_3d_obj.dart:120:18
When the exception was thrown,this was the stack:
#0 double.parse (dart:core-patch/double_patch.dart:111:28)
#1 _ObjectPainter._parseObjString.<anonymous closure> (package:flutter_3d_obj/flutter_3d_obj.dart:190:37)
#2 List.forEach (dart:core-patch/growable_array.dart:313:8)
#3 _ObjectPainter._parseObjString (package:flutter_3d_obj/flutter_3d_obj.dart:177:11)
#4 _ObjectPainter.paint (package:flutter_3d_obj/flutter_3d_obj.dart:316:22)
...
The following RenderObject was being processed when the exception was fired: RenderCustomPaint#b558d relayoutBoundary=up4
... parentData: <none> (can use size)
... constraints: BoxConstraints(0.0<=w<=423.5,0.0<=h<=799.2)
... size: Size(40.0,40.0)
RenderObject: RenderCustomPaint#b558d relayoutBoundary=up4
parentData: <none> (can use size)
constraints: BoxConstraints(0.0<=w<=423.5,0.0<=h<=799.2)
size: Size(40.0,40.0)
从here下载文件
我应该如何调试，此错误来自软件包，但未提供失败的值，我尝试使用调试器，并尝试通过编辑软件包文件来打印值，但是没用。
解决方法
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