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A command that modifies a player's velocity

The /data command allows datapack makers to do some really impressive physics stuff by modifying an entity's Motion tag; however, since it is not possible to use it on players, people have to resort to making complex systems with the /tp command to simulate motion, but even then, it makes it look really choppy since teleporting resets the player's motion. I suggest some kind of command that allows one to easily modify the player's motion tag, much like how /attribute affects the player's attribute tags, /tp affects the player's Pos tag, and /replaceitem (or I guess /item in 1.17) affects their Inventory tag. Perhaps even modify the /tp command to affect motion like how it was changed to affect rotation. At least with that change, mapmakers would be able to make portals that conserve momentum when teleporting or grappling hooks that don't look really choppy.

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  • 0
    Registered User commented
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    first: they code a packet of behaviors, and second, JUST USE THE EFFECT SPEED COMMAND AND AMOUNT AND DONE. BAD idea

  • 2
    Registered User commented
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    I think a cool way to implement this would be with a /movement command 

    it would work like this 

    /movement [ENTITY] [CORDS] [SPEED]

    /movement @e[type=sheep,limit=1,sort=nearest]  ~ ~-1 ~  2

    or to make a player move in the direction their looking

    execute as @a[tag=fly,predicate=namespace:sneak] at @s run movement @s ^ ^ ^1 3

    it wouldn't let entities move through blocks unless they're in spectator mode or something

    this would also be really useful for creating projectiles in datapacks!!

  • 2
    Registered User commented
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    There's a topic that suggests a command for this that sums up exactly how I also feel it should be.
    https://feedback.minecraft.net/hc/en-us/community/posts/360073627252--velocity-Read-or-modify-an-entity-s-velocity

    But yes, +1 on this for sure.  This would make minigame making so much better and more fun.