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# flixel
  • t
    well thanks again!
  • h
    > yet ??? 😏
  • w
    Where did you hear this?
  • s
    i think that's planned for flixel 6 together with circular colliders
  • t
    I'm sorry once again, I wanted to make sure that you got what I mean since I suck at explaining things, I just wanted the square to stop rotating once it lands, like the same way throwing a cube would look like in real life. I hope that makes sense 😭
  • c
    I dont think you were misunderstood. You are the one adding the rotational velocity. Echo does not have rotational collision resolution (when collisions occur, even due to gravity, it does not rotate bodies as a result of collisions) Base flixel is even less flexible than this.
  • w
    i mean you can set angularVelocity to 0 on collision, but flixel wont do it for you
  • h
    are you setting 
    angularVelocity
    yourself?
  • h
    I don't know anything about echo
  • c
    They are, yes. They add it themselves. and echo will never unrotate it, not how it works. "set angularVelocity to 0 on collision" wont actually resolve the issue, since the body will have rotated some already. you need to set the rotation itself to 0. and it will look wonky because its not physics driven. You can try integrating with systems that do have rotational collision resolution (nape, box2d)
  • t
    alright I get it now
  • t
    yeah
  • t
    but is there a way I can make the sprite rotate without setting an angular velocity?
  • c
    @tall-teacher-57409 Your question is answered. You either need to set the rotation yourself, or integrate with a physics library that handles collisions with rotated bodies.
  • t
    sorry my bad, yeah I see.
  • t
    but well, I found a small game on itch that uses echo too and it has the behavior I want, can I send a link?
  • c
    Sure send the link. It's very likely they are faking it in some way. Up above we described how it could be done.
  • t
  • c
    So explain how it can have the behavior you are after if its not a square body
  • c
    This link you sent does not have the behavior you are describing.
  • t
    i know, im the worst in explaining things
  • c
    Try again 😄 exaplining can be hard Having the square rotate in response to its collision. That doesnt happen in the game. It's completley different physics behavior
  • c
    We understand what you wanted from your 1st example picture imo. This linked game isnt doing that, and doesnt "prove echo can do it"
  • t
    well my bad, the behavior in the game is what I'm trying to describe
  • c
    I dont think so. What you are trying to do: rotate the box in response to it falling to the ground. That cannot be done with echo physics alone. it will not resolve the collision using rotation.
  • h
    tht just looks like a tween
  • m
    Ohhh I see, so, 4x4 is the "most detailed"? And what's the default value? 0?
  • h
    you're talking about the "press r" logic?
  • t
    I want the angular velocity to slowly turn 0 when the ball isn't moving
  • t
    um nope
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