Modding Help Spawning Projectiles from Projectiles

I know how to spawn projectiles from other Projectiles with angles and such but i would like to know if it's possible to spawn a projectile "next to" the primary projectile and or make it interact with the primary one. In other words, shoot a projectile upwards and after a delay it spawns two projectiles in one of two ways:
1st: one to the right and one to the left of the primary projectile making it 3 flying in the same direction
2nd: make the two new projectiels circle around the primary one

I know i could spawn an invisible projectile with angle 90degrees and spawn the secondary projectiles from that one with -90 degrees, but i wonder if there is way around that.

 

You could always do this by just drawing a new animation to make it *look* like there are multiple projectiles. The 90 then -90 idea is pretty genius though.

 

Making it an animation sounds interesting... but i'm not good at creating sprites. Thanks for the Idea though