本文介绍了如何在OpenGl中画线?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我想在opengl中画一条线.
I want to draw a line in opengl.
glBegin(GL_LINES);
glVertex2f(.25,0.25);
glVertex2f(.75,.75);
glEnd();
此代码画线,但是如果我想从坐标(10,10)到坐标(20,20)画一条线,我该怎么办?
this code draw line but if i want to draw a line from coordinate(10,10) to coordinate(20,20) what will i do ?
(.25,.25)和(.75,.75)是什么意思?
what it means (.25,.25) and (.75, .75) ?
推荐答案
(.25,.25)和(.75,.75)是线的起点和终点.
(.25, .25) and (.75,.75) are line's start and end point.
要从(10,10)到(20,20)画一条线:
To draw a line from (10,10) to (20,20):
glBegin(GL_LINES);
glVertex2f(10, 10);
glVertex2f(20, 20);
glEnd();
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