this post was submitted on 13 Dec 2025
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Programming
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Archery app. Basically zero users, and got purged from the play store earlier this year because I refused to jump through their hoops.
It was was meant for use with scopes, you would put in some distance and scope settings pairs into it, and it would fit a line allowing you to estimate intermediate scope settings.
It also had an AR mode, where you could save a targets GPS position, and get the distance and angle to the target, and the pin setting.
Sadly, never got any users. So its just for me now. And I deleted the AR stuff.
Woah! So you give it a distance and it estimates where to place the reticle? What sort of math formula do you use to estimate?
It fits up to a 4th order polynomial (going beyond 4th gets a bit silly), depending on the number of known pins.
https://github.com/cameroncros/BeagleSight/blob/master/app/beaglesightlibs/src/main/java/com/cross/beaglesightlibs/bowconfigs/BowConfig.kt
Uses an apache math library to solve the best fit line.