waitkey()始终接收不到键盘输入的问题 – 计算机图形学与混合现实在线平台

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- 2020年4月9日 at 上午10:33 #5286 Score: 0
  
  YuOwen
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  作业一画出三角形后，想做旋转操作，waitkey()函数返回值始终为-1，请问是怎么回事。
- 2020年4月9日 at 上午10:36 #5287 Score: 0
  
  YuOwen
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  代码
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