A / D to move W to jump S to fall faster click the green flag inside the green box test it modify hitbox in the "action" sprite (warning this should not be used as a platformer template it is merely meant to test hitboxes)
Modifiable Things Hitlag Hitstun Damage (no effect here) Direction Hit Power of Hit Hitbox longevity hitbox location type of hitbox (up to you to add more)
