使用PyOpenGL绘制三维坐标系实例
我就废话不多说了,直接上代码吧!
defdrawCoordinate(): ''' 绘制三维的坐标系,并绘制由坐标轴构成的平面的网格,各个坐标轴的颜色以及由坐标轴所引出的网格线的颜色为: x:(1.0,0.0,0.0) y:(0.0,1.0,0.0) z:(0.0,0.0,1.0) :return: ''' #设置网格线间的步长 step=0.2 #设置网格线的数量、长度 line_num=15 line_len=4 grid_color=[(1.0,0.0,0.0),(0.0,1.0,0.0),(0.0,0.0,1.0)] glLineWidth(3) origin=[0.0,0.0,0.0] #画出xyz轴 foriinrange(3): tmp=[0.0,0.0,0.0] tmp[i]=line_len*1.02 glColor3f(*grid_color[i]) glBegin(GL_LINES) glVertex3f(*origin) glVertex3f(*tmp) glEnd() #画出由坐标轴构成的平面的网格 glLineWidth(1) foriinrange(3): #每次把一个坐标轴上引出的网格线都画出来,所以起点都是一致的 start=[0.0,0.0,0.0] glColor3f(*grid_color[i]) forjinrange(line_num): end=[0.0,0.0,0.0] glBegin(GL_LINES) start[i]=start[i]+step end[i]=start[i] forkin{0,1,2}-{i,}: end[k]=line_len glVertex3f(*start) glVertex3f(*end) end[k]=0.0 glEnd()
以上这篇使用PyOpenGL绘制三维坐标系实例就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持毛票票。
声明:本文内容来源于网络,版权归原作者所有,内容由互联网用户自发贡献自行上传,本网站不拥有所有权,未作人工编辑处理,也不承担相关法律责任。如果您发现有涉嫌版权的内容,欢迎发送邮件至:czq8825#qq.com(发邮件时,请将#更换为@)进行举报,并提供相关证据,一经查实,本站将立刻删除涉嫌侵权内容。