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This is my code:

using UnityEngine; using System.Collections;

public class Movement : MonoBehaviour {

public GameObject player;
public bool down;
public float forward = 15;
public float maxForward = 20;


void Start () {

}

void Update () {

    if (Input.GetKeyDown(KeyCode.RightArrow))
       down = true;
    if (Input.GetKeyUp(KeyCode.RightArrow))
       down = false; 

    if (down == true)
    {  
       player.rigidbody.AddForce(0,0,forward);
    }

    if (player.rigidbody.velocity.z > maxForward)
    {
       player.rigidbody.velocity.z = player.rigidbody.velocity.z.normalized;
       player.rigidbody.velocity.z *= maxForward;
    }

}

}

It does not work lol. Can someone tell me why & tell me how i can make this work? I want to set a maximum speed of a rigidbody sphere. Thanks! :D

Answer 1

0

You should use

player.rigidbody.velocity = Vector3.ClampMagnitude(player.rigidbody.velocity, maxForward);

That one line makes sure that the magnitude of the player's velocity cannot go above a certain value, however it does not limit specific axes.

Also, why don't you just use

if(Input.GetKey(KeyCode.RightArrow))
{
    player.rigidbody.AddForce(0,0,forward);
}

instead of all that messing around with 'down'? It does the same thing.

answered Nov 26 '11 at 07:05 AM

syclamoth
14.8k ● 7 ● 15 ● 80

Thanks! & I used the whole boolean down thing because i want the player to move if the key is being held down :)

Nov 26 '11 at 07:40 PM BioExtract

Yeah, but that's exactly what Input.GetKey does! There's no need to manage that manually.

Nov 27 '11 at 01:18 AM syclamoth

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