Actually the explosion graphic is one of the things I liked most about it if you could believe it! I really liked how it portrayed how far it went while also being visually striking. It made lobbing grenades at enemies and leading shots really satisfying!
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OK, I'll see what I can do... originally the explosion used a transparent texture, but depth sorting is broken so it blocked out the sprites of enemies you were blowing up (and bullets they were shooting back at you) so I had to change it into that on/off pixelated texture last second so you could actually tell what's happening. Ideally I wanna keep it being a sphere, but with a cool fire texture instead (so it actually LOOKS like an explosion)