Ballistic Projectile Move to Target 2D

Hi all, i’m making Tower defend 2D game.

Now, i’m doing to make Cannon/Archer Tower. I feel so hard to make ballistic projectile move arc to target.

Somebody have been made it, please share to me some way to create Ballistic Projectile Arc Move.
Thank you very much!

65193-ballistictrajectory.jpg

With just a little more searching, you could have stumbled upon this old answer of mine (which links to this other answer).

It doesn’t answer the question directly, but the logic behind the 3D trajectory calculations should be plenty sound and easy to convert to 2D.