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I don’t get it.
Is the point that the lines are diagonal, rather than vertical or horizontal?
Is it that a proper tool would have anti-aliased them?
Is it that the rightmost lines have been scaled up so have fatter pixels than the others (anisotropically in one case I think)?
Neat! This was so fun to learn about, thank you for sharing. Xiaolin Wu did not live in vain after all, because of nerds like us
:)
You should use the Bresenhams Line Algorithm for aliased lines instead of just marking all pixels the underlying line touches because that leads to thickness inconsistencies.
