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Question by LifeArtist · Mar 20, 2014 at 05:16 PM · 2dmovementcoordinates

Unity2D Coordinates while velocity is on

Hey,

i have a problem with my Rigidbody2D.position.x/y. Thats what i see with

 Debug.Log(rigidbody2D.transform.position.x + " | " + rigidbody2D.transform.localPosition.x);

alt text

So my questions :

Why i have to move my object first to see cords ?

And why are these cords negative e.g my buttons i have to set them to (10,60)so they are in the top left corner ?

Regards

LifeArtist

cords.jpg (106.3 kB)
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Answer by stevethorne · Mar 20, 2014 at 06:21 PM

You're printing out the world position's x and the local position's x. In this case neither are changing until the yellow part because you aren't moving in the x direction, you're moving in the y direction.

Second, the coordinates are in world position, not screen position. So it starts at a world position of ( 0, 0 ), I imagine, and then you move it in the negative x direction so the x of it's position is negative. It has no relation to where your button is on screen, it has to do with where it is in the world.

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avatar image LifeArtist · Mar 20, 2014 at 06:53 PM 0
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Haha .. what a bad mistake ive made >.<

avatar image LifeArtist · Mar 20, 2014 at 06:57 PM 0
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$$anonymous$$h ... do u know how i can change from world to screen position ?

avatar image stevethorne · Mar 20, 2014 at 07:16 PM 0
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https://docs.unity3d.com/Documentation/ScriptReference/Camera.WorldToScreenPoint.html

avatar image LifeArtist · Mar 20, 2014 at 09:03 PM 0
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Great ! Solved my problem ty

avatar image stevethorne · Mar 20, 2014 at 09:28 PM 0
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You should accept the answer as a solution if it solves your problem

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