What does the motion buffer do?

[venjoulytes]

never knew what it does

 

[Pharaoh_]

I believe it's when the unit attacks another unit, up to the range motion buffer value, it will miss, if the attacked unit is further than the range motion buffer value. If you set it to 0, you will realize it misses a lot.

 

[Damage]

Though this doesn't seem to apply to missile attacks, so I think it only applies to a melee attack.