new Grid(param) thing/src/objects/Grid.js, line 51 Parameters: Name Type Description param object 参数 Properties Name Type Description workPlane GridWorkPlane 网格的平面 size GridSize 网格的大小 Members density :number thing/src/objects/Grid.js, line 175 网格的密度，每个网格的长度(数字必须大于0) length :number thing/src/objects/Grid.js, line 137 网格的长度 width :number thing/src/objects/Grid.js, line 156 网格的宽度