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Question by shotttt · Apr 18, 2020 at 03:52 PM · 2dmovementvelocityaddforce

AddForce or changing velocity affects only the Y Axis

I'm trying to make a simple black hole force effect.

The problem is that when the BlackHole applies its force, it only effect the Y Axis, here's my code:

PlayerMovement (1st), BlackHole (2nd): alt text alt text

I know that changing the velocity or using Addforce in Attract() Method doesn't affect the Velocity.X of the player because the velocity.X itselsf keeps changing (based on "move" variable) in the PlayerMovement's FixedUpdate.

I don't know how to change my code so the player can move as it does, and at the same time get affected by the BlackHole's physics on both Axis (X and Y) (when approching it)

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Answer by shotttt · May 09, 2020 at 01:09 PM

I figured out what was the problem with my code. In my code I directly change the velocity, and since AddForce() changes the velocity, it doesn't have an impact, it doesn't matter. Because no matter what happens, I override all physics forces / elements when I directly change the velocity. In order to have a decent movement and still have forces effect my character, I was lucky to find this code that perfectly works: http://wiki.unity3d.com/index.php/RigidbodyFPSWalker In 2D I replaced rigidbody.AddForce(velocityChange, ForceMode.VelocityChange); with rigidbody.AddForce(velocityChange, ForceMode2D.Impulse);

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