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This time, it's basic. In a chance where you need to check if segments collide, as in triangulating polygons with concave parts, you'll have to find if a segment intersects another one.
By using simple algebra, I managed to create what I believe is a bug-free code.
It is possible for me to find the X and Y values, but then there would be the problem of what would happen if there was no collision.
Don't be suprised about how simple this is. It does what it was programmed to do.
To clear the lines, press space.
It's very basic, and anyone could have made it, but I haven't seen any example like this. So I took an initiative.
No need for credit.
EDIT: if the line is the same, it returns false. I did that for marbs, but you can easily change that.
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