What is the purpose of the for$-$loop on lines $24$ and $25?$

This creates each cloud object and adds it to the cloud list

Chooses the highest magnitude value between the observation point and the cloud chunk

$()$ Calculates the $r-$sep for each cloud chunk.

Makes the $r$ value true or false depending on if obs$\_$pos $-$ c$.$pos is positive or negative Calculates the radius of each cloud chunk