c++ - how to draw polygons in OpenGL that have an outline drawn with a black pen and another fill color - Stack Overflow

How can I draw a shape like this in OpenGL? I mean, I know how to draw polygons in OpenGL. I want to know how to make the outline black and the fill color ( for example ) yellow?

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symptote

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python - pyopengl How to color concave polygons - Stack Overflow

c++ - Drawing a colored grid with OpenGL? - Stack Overflow

timw – Tim Wheeler

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