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wordpress仿站教程,网站建设配置文件无法粘贴,做网站要什么专业,哪些网站可以做免费外贸为了测试多边形之间的包含关系#xff0c;实现了用户设置圆半径和单位长度#xff0c;程序自动确定圆心位置。 import math import turtledef generate_polygon_circle(radius, unit_length):生成近似圆的多边形轮廓顶点坐标参数:radius: 半径unit_length:…为了测试多边形之间的包含关系实现了用户设置圆半径和单位长度程序自动确定圆心位置。importmathimportturtledefgenerate_polygon_circle(radius,unit_length): 生成近似圆的多边形轮廓顶点坐标 参数: radius: 半径 unit_length: 单位长度多边形的步长 返回: list: 多边形顶点坐标列表按顺时针顺序 ifradius0orunit_length0:return[]vertices[]# 圆心设为(r, r)以便所有坐标为正center_xradius center_yradius# 计算总步数每90度圆弧的步数steps_per_quadrantmax(1,int(radius/unit_length))# 存储第一象限的点不含起点first_quadrant_points[]# 计算第一象限的点从(0, r)开始顺时针到(r, 0)foriinrange(steps_per_quadrant1):xi*unit_lengthifxradius:# 防止x大于半径xradius y_sqmax(0,radius**2-x**2)ymath.sqrt(y_sq)first_quadrant_points.append((x,y))# 起点正上方 (r, 2r)start_xcenter_x start_ycenter_yradius vertices.append((start_x,start_y))# 第一象限右上1/4圆弧从顶部到右侧# 从第一个点接近顶部开始foriinrange(len(first_quadrant_points)-1,-1,-1):x_offset,y_offsetfirst_quadrant_points[i]xcenter_xx_offset ycenter_yy_offsetifvertices:last_x,last_yvertices[-1]# 插入直角顶点iflast_x!xandlast_y!y:vertices.append((last_x,y))vertices.append((x,y))# 第二象限右下1/4圆弧从右侧到底部foriinrange(len(first_quadrant_points)):x_offset,y_offsetfirst_quadrant_points[i]xcenter_xy_offset# 注意这里x和y交换因为是对称的ycenter_y-x_offset last_x,last_yvertices[-1]iflast_x!xandlast_y!y:vertices.append((last_x,y))vertices.append((x,y))# 第三象限左下1/4圆弧从底部到左侧foriinrange(len(first_quadrant_points)-1,-1,-1):x_offset,y_offsetfirst_quadrant_points[i]xcenter_x-x_offset ycenter_y-y_offset last_x,last_yvertices[-1]iflast_x!xandlast_y!y:vertices.append((last_x,y))vertices.append((x,y))# 第四象限左上1/4圆弧从左侧到顶部foriinrange(len(first_quadrant_points)):x_offset,y_offsetfirst_quadrant_points[i]xcenter_x-y_offset# 注意这里x和y交换因为是对称的ycenter_yx_offset last_x,last_yvertices[-1]iflast_x!xandlast_y!y:vertices.append((last_x,y))vertices.append((x,y))# 闭合多边形回到起点vertices.append(vertices[0])# 对坐标进行单位长度的整数倍调整adjusted_vertices[]forx,yinvertices:ifunit_length2:adj_xround(x/unit_length)*unit_length adj_yround(y/unit_length)*unit_lengthelse:adj_xround(x)adj_yround(y)adjusted_vertices.append((adj_x,adj_y))returnadjusted_verticesdefdraw_polygon_with_turtle(vertices,radius):使用turtle绘制多边形# 设置画布screenturtle.Screen()screen.title(近似圆的多边形)screen.setup(width800,height800)# 计算顶点坐标的范围all_x[xforx,_invertices]all_y[yfor_,yinvertices]min_x,max_xmin(all_x),max(all_x)min_y,max_ymin(all_y),max(all_y)# 计算缩放比例使图形占据画布的70%widthmax_x-min_x heightmax_y-min_y screen_width800screen_height800# 计算缩放比例scale_x(screen_width*0.7)/max(width,1)scale_y(screen_height*0.7)/max(height,1)scalemin(scale_x,scale_y)# 计算偏移量使图形居中offset_x(screen_width-width*scale)/2-min_x*scale offset_y(screen_height-height*scale)/2-min_y*scale# 创建画笔penturtle.Turtle()pen.speed(0)# 最快速度pen.width(2)# 移动到第一个点pen.penup()ifvertices:first_x,first_yvertices[0]scaled_xfirst_x*scaleoffset_x-screen_width/2scaled_yfirst_y*scaleoffset_y-screen_height/2pen.goto(scaled_x,scaled_y)# 绘制多边形pen.pendown()pen.color(blue)forx,yinvertices:scaled_xx*scaleoffset_x-screen_width/2scaled_yy*scaleoffset_y-screen_height/2pen.goto(scaled_x,scaled_y)# 绘制参考圆pen.penup()center_x(min_xmax_x)/2*scaleoffset_x-screen_width/2center_y(min_ymax_y)/2*scaleoffset_y-screen_height/2pen.goto(center_x,center_y-radius*scale)# 圆的底部pen.pendown()pen.color(red)pen.circle(radius*scale)# 标记顶点只标记部分顶点避免太密集pen.penup()pen.color(green)fori,(x,y)inenumerate(vertices):ifi%max(1,len(vertices)//20)0:# 只标记约20个点scaled_xx*scaleoffset_x-screen_width/2scaled_yy*scaleoffset_y-screen_height/2pen.goto(scaled_x,scaled_y-10)pen.write(f{i},aligncenter,font(Arial,8,normal))pen.hideturtle()screen.mainloop()# 测试函数deftest_circle_polygon():测试生成近似圆的多边形print(测试1: 半径10单位长度1)radius110unit11vertices1generate_polygon_circle(radius1,unit1)#draw_polygon_with_turtle(vertices1, radius1)print(顶点坐标:)fori,(x,y)inenumerate(vertices1):print(f{x:.0f},{y:.0f})print(f\n共{len(vertices1)}个顶点)print(\n*50)print(测试2: 半径10单位长度2)radius210unit22vertices2generate_polygon_circle(radius2,unit2)#draw_polygon_with_turtle(vertices2, radius2)print(顶点坐标:)fori,(x,y)inenumerate(vertices2):print(f{x:.0f},{y:.0f})print(f\n共{len(vertices2)}个顶点)print(\n*50)print(测试3: 半径21单位长度3)radius321unit33vertices3generate_polygon_circle(radius3,unit3)draw_polygon_with_turtle(vertices3,radius3)print(顶点坐标:)fori,(x,y)inenumerate(vertices3):print(f{x:.0f},{y:.0f})print(f\n共{len(vertices3)}个顶点)# 使用turtle绘制验证#draw_option input(\n是否使用turtle绘制验证图形(y/n): )#if draw_option.lower() y:# draw_polygon_with_turtle(vertices1, radius1)# 主程序if__name____main__:test_circle_polygon()