Analog Clock

74bc1cba-0147-4bca-a462-c67878f2dd4c 37 Analog Clock Davide Carpi (en.smath.info forum: w3b5urf3r) Davide Carpi animation, clock, time 4 5 decimal

&[DATE] &[TIME] - PolyProperties

<p>Settings</p>

Starting Time

hour hand HH 16 hr * :

minute hand MM 26 min * :

second hand SS 50 s * :

Duration

duration D 0 hr * 2 min * + 35 s * + :

Accuracy

frame skip accuracy 1 s * :

Clock geometry

radius of hour hand r.hh 1.25 :

radius of minute hand r.mm 2 :

radius of second hand r.ss 2 :

dial radius r.dial r.hh r.mm r.ss 31 mat max 1.1 * eval :

rim radius r.rim r.dial 1.1 * :

<p>Algorithms</p>

dial k 112 range dial k 1 el r.dial 2 π * 12 / k * sin * eval : dial k 2 el r.dial 2 π * 12 / k * cos * eval : dial k 3 el . : dial k 4 el 15 : dial k 5 el #cc000000 : 51 line for

rim k 1120 range rim k 1 el r.rim 2 π * 120 / k * sin * eval : rim k 2 el r.rim 2 π * 120 / k * cos * eval : rim k 3 el . : rim k 4 el 8 : rim k 5 el #cc000000 : 51 line for

fastest way to plot the rim rim r.rim (2^x 2^- sqrt ± :

tRange 0 D s / accuracy s / range eval :

s clock ss SS s / s + eval : mm MM min / ss 60 / trunc + eval : hh HH hr / mm 60 / 2 round + eval : r.mm 002 π * 60 / mm * sin 2 π * 60 / mm * cos 22 mat * eval r.ss 002 π * 60 / ss * sin 2 π * 60 / ss * cos 22 mat * eval r.hh 002 π * 12 / hh * sin 2 π * 12 / hh * cos 22 mat * eval dial rim 00.20 #101010 15 mat 61 sys 41 line :

use this to have movements of hour hand every 60 minutes hh HH hr / ss 3600 / trunc + :

t clock