The calculation problem of canvas Radar Graph

this is the current native code. The effect of the implementation is that the code is copied by someone else. no, no, no.
clipboard.png


clipboard.png


I can only write this by hand

the following contribute your own scribbled code

https://codeshelper.com/n/13.

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b3c1f5-2b835.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3c1f5-2b835.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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