ok this is what i think ... that explosions should go in 1 direction ... the one that your shooting at ...
examples: goku does kamehame and shoots it at brolly ... the explosion goes the way that goku shoot it .... and goku dosen't get damage ... ( cuz in every explosion the one that shoots the beam dosen't get hurt ... why is that ? ... maybe cuz the explosion dosen't reach him ? cuz it goes in the direction your firing at ? ... )
examples: goku does kamehame and shoots it at brolly ... the explosion goes the way that goku shoot it .... and goku dosen't get damage ... ( cuz in every explosion the one that shoots the beam dosen't get hurt ... why is that ? ... maybe cuz the explosion dosen't reach him ? cuz it goes in the direction your firing at ? ... )