They could be implemented similar to the KeyHit function. In other words, EntityXSpeed would return the amount the entity has moved in the X direction since the last time the command was called.
Seems rather pointless though. I've never needed anything like this, nor do I see what would be aided by having these commands. Morover, there are a number of sticky implementation issues, like what data is returned if the entity rotates in its motion between calls to the command.
Seems rather pointless though. I've never needed anything like this, nor do I see what would be aided by having these commands. Morover, there are a number of sticky implementation issues, like what data is returned if the entity rotates in its motion between calls to the command.