BiArc support

[ChezDoodles]

How about supporting BiArcs?
Is that coming soon to Curvy?

Otherwise a very nice product

[_Aka_]

Hi,

Curvy does not support BiArcs, and it is not planned for now.
I must admit that your message is the first time I read about BiArcs. In what scenarios do you use them?
And thanks for the compliment

Have a nice day

[ChezDoodles]

BiArcs are often used for roads and railroads in simulation games. They are very effective, the math is simple, faster and stuff like collision detection, snapping, offseting, distance etc is extremely simple. Railroad Tycoon 3, Sid Meyers Railroads, Railway Empire, Train Fever, Transport Fever and several other train games all use BiArcs (or "Circular Arcs").

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Suggested reading for introduction (and interactive examples):

https://www.redblobgames.com/articles/curved-paths/

http://www.ryanjuckett.com/programming/biarc-interpolation/

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Some games apparently use 2d math (Railway Empire) while others use 3d math behind their BiArcs.

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Since you have such a nice railroad example - you should really include a matching curve type suitable to build larger systems - aka BiArcs aka Circular Arcs

[_Aka_]

Thanks for the detailed post. I will definitely take a look at this at some point.