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Adding a measurement tool for a cone with a fixed base

1734950782
Rondragos
Pro
Sheet Author
I know I have posted this suggestion, but I try again with another topic title. Perhaps this gathers more support. I already have replied in a survey by roll20 to the new measurement tools, what I would need for my games: A cone Measuring tool not with a fixed angle but a fixed base, where the angle is automatically adjusted with the length of the cone. In my games (The Dark Eye) there are some spells (including the favourite spell of a player of mine), where the base of the cone is fixed by his skill level in this spell, while the spell features a maximum range. By the time of casting, when he targets the spell, the base can be anywhere between him and this max range without altering the size of the base. To target for maximum efficiency, he tries to measure where to set the cone, to get as much enemies within, without hitting friends. I know it would be possible to do the math - but this means to calculate the angle as ɑ = 2 * arctan(b/(2*h)), where ɑ: angle, b: base length, h: height/range which would be only valid for a specific height of the cone. So you have to set the angle, measure exactly the fitting range and look where it would hit, then calculate for another range and try again, and so on. If we had the tool, he could just put in his base length and then measure, fitting the range and direction with a single measurement. I'm quite sure this could be useful in other games with similiar mechanics, as well as in games where perhabs base and length of a cone is given, as you don't have to calculate the angle in advance.
1734978823
Gauss
Forum Champion
Could you supply some screenshots on what a "fixed base" means? Perhaps some doodles Roll20?
1735062879
Rondragos
Pro
Sheet Author
As you wish Sir! I just made 3 screenshots of measurments in roll20, each with a base of 4 meters, while the measured length is 3, 5 and 9 meters respectively. Each was done by calculating using the formula provided (you can see the cone degrees inserted), and then set out, as it only works when exactly at that length.  It would be convenient to just enter the base length (here 4 meters) and when I draw the cone, I always have this base, while the cone becomes more or less spiky (I'm sure this isn't the right word, but I can't find it now).  Hope this pictures it more clearly.
1735067339
Gauss
Forum Champion
Yes it does, thank you for those images. Now folks will better be able to see what you are talking about. 
1737703231
[Deleted]
Pro
Marketplace Creator
Thanks for the suggestion! After 30 days, Suggestions and Ideas with fewer than 10 votes are closed and the votes are refunded to promote freshness. Your suggestion didn't build the right momentum this time, but feel free to submit it again! We find that the best suggestions describe the problem you are having, and the solution you want. You can learn more about the process of making suggestions on the Roll20 Wiki! More details can be found here .