[Model.py 03]Modification for creating terrain matrix3.
Other2function.get_rectangle_coordinates函数defget_rectangle_coordinates(self,x1,y1,x2,y2):'''获得由(x1,y1)(x2,y2)所围成的矩阵边上的坐标列表'''#Ensure(x1,y1)isthebottom-leftcornerand(x2,y2)isthetop-rightcornerx_min=min