OpenGL 绘图
绘制点

glColor3f(0.7f, 1.0f, 0.3f); glPointSize(14); glBegin(GL_POINTS); glVertex3f(3, 0, 0); glVertex3f(-3, 0, 0); glEnd()
绘制线

glColor3f(0.7f, 1.0f, 0.3f); glLineWidth(4); glBegin(GL_LINES); glVertex3f(-3, 0, 0); glVertex3f(0, 0, 2); glEnd();
点画线

glColor3f(0.7f, 1.0f, 0.3f); glLineWidth(4); glEnable(GL_LINE_STIPPLE); glLineStipple(2, 0xAAAA); glBegin(GL_LINES); glVertex3f(-3, 0, 0); glVertex3f(0, 0, 2); glEnd();
绘制多边形区域

glColor3f(0.7f, 1.0f, 0.3f); //颜色 glPolygonMode(GL_FRONT, GL_LINE); //绘制模式 glBegin(GL_POLYGON); //绘制工作 glVertex3f(-1.5, 0, 0); glVertex3f(1.5, 0, 0); glVertex3f(1.5, 0, 3); glVertex3f(-1.5, 0, 3); glEnd(); //默认显示的是背面