Implement Plotter

[callmekeypuncher]

Implement Plotter which will be able to draw shapes from PolygonSet on screen (read usage for more description). The ruby2d gem might help you.

[AlexanderKlyuchnikov]

take it

[callmekeypuncher]

@AlexanderKlyuchnikov, I have updated the description.

[callmekeypuncher]

This issue depends on #11. But until PolygonSet class is not implemented, you may at least implement plotter which will draw a single polygon.