init radius/gradient later
init radius/gradient later

perc-solutions/simpleheat,CapeSepias/simpleheat,kyroskoh/simpleheat,leorohr/simpleheat,CapeSepias/simpleheat,kyroskoh/simpleheat,leorohr/simpleheat,jingjinjingjin/simpleheat,mourner/simpleheat,jingjinjingjin/simpleheat,perc-solutions/simpleheat