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4Â¥: Originally posted by xixiuqi at 2021-06-16 19:45:18
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     vector cellPos = cellCentres[cellIndex];   //»ñȡһ¸öcellµÄ×ø±ê
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     scalar pos_y = cellPos.component(1);
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     if( (pos_x > 1 && pos_x < 2) && (pos_y > 1 && pos_y < 2))
     {
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