Drawing unfilled rectangle shape in c++ openGL
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Bahaa
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Published on 2014-06-13T09:17:24Z
Indexed on
2014/06/13
9:25 UTC
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Filed under:
opengl
|visual-c++
I want to draw unfilled rectangle shape in openGL using c++ programming language but when I used the glBegin(GL_QUADS) or glBegin(GL_POLYGON), the resulted shape is filled but I want to be unfilled. How I can draw unfilled rectangle.
void draweRect(void)
{
glClear(GL_COLOR_BUFFER_BIT);
glColor3f(0.0,0.0,1.0);
glLineWidth(30);
glBegin(GL_POLYGON);
glVertex2i(50,90);
glVertex2i(100,90);
glVertex2i(100,150);
glVertex2i(50,150);
glEnd();
glFlush();
}
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