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Question by LukeTheLukian · May 30, 2016 at 12:45 AM · rigidbodybug

Roll a Ball, sphere flies when I click play

I've just started learning Unity and I don't know what's going on cause when I write the script and press Play, everything works fine but the sphere keeps flying. The position of the sphere is how it's taught in the video (x: 0, y:0.5, z:0) but when I click play It changes y=1. Can anybody help me?

Here is the script

using UnityEngine; using System.Collections;

public class PlayerController : MonoBehaviour {

 public float speed;

 private Rigidbody rb;

 void Start ()
 {
     rb = GetComponent<Rigidbody> ();
 }

 void FixedUpdate ()
 {
     float moveHorizontal = Input.GetAxis ("Horizontal");
     float moveVertical = Input.GetAxis ("Vertical");

     Vector3 movement = new Vector3 (moveHorizontal, 0.0f, moveVertical);

     rb.AddForce (movement * speed);
 }

}

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Answer by Almop66 · Jul 02, 2017 at 07:08 AM

@LukeTheLukian I had this problem as well, I fixed it by selecting "Ground" (whatever you called your floor) under scene 1 and un-checking "Convex" which can be found in the "Mesh Collider" component.

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avatar image carlosesh · Oct 16, 2017 at 01:10 AM 0
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You're awesome sir. I struggled with this ALL DAY LONG, by doing what you did it simply solved it. THAN$$anonymous$$ YOU SO $$anonymous$$UCH!

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Answer by ajf412 · May 30, 2016 at 03:53 AM

Make sure in your rigidbody component "Is Kinematic" and "Use Gravity" settings match the tutorial.

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