joystick movement

Questions & Answers
1

I use a joystick to move around.
When I don’t touch my joystick, my character still moves.
Is there a way to stop this?

private var verticaal : float=0;
private var horizontaal : float=0; 
private var bewegingsgrenslinks :float;    
private var bewegingsgrensrechts :float;    
var script;    
script = this.gameObject.GetComponent(speler);    
bewegingsgrenslinks = script.bewegingsgrenslinks;    
bewegingsgrensrechts = script.bewegingsgrensrechts;

function Update(){  
	horizontaal = Input.GetAxis(script.horizontaal);
	verticaal = Input.GetAxis(script.verticaal);   
if(transform.localPosition.y + verticaal <=-1)
{
	verticaal = 0;
}
if( transform.localPosition.x + horizontaal <= bewegingsgrenslinks ||transform.localPosition.x +horizontaal >=bewegingsgrensrechts)
{
	horizontaal = 0;
}
	rigidbody.velocity = Vector3(horizontaal,verticaal,0);   
}
2

Input.GetAxis can return small values when the joystick (or other game controller) is slightly uncalibrated. Due to this, you should never compare Input.GetAxis to zero, like this:

  if (Input.GetAxis("Vertical")>0){
    // moves the character forward with velocity maxSpeed

Since Input.GetAxis returns a float value between -1 and 1, the best approach is to use something like this:

  var dz = Input.GetAxis("Vertical");
  if (Mathf.Abs(dz)>0.01){
    // move the character forward with velocity dz * maxSpeed

The value returned by GetAxis is compared to a “safety margin”, so small values will not move the character. If this doesn’t solve your problem, please post the script where you read the game controller.

3

It is likely that you are not setting a dead zone on your controller.
What you need to do is set a small area on the stick that does not respond to any input.

To do this when you do Input.GetAxis you need to do something like:

			float ax = Input.GetAxis("Mouse X");
		if( ax < 0.1f  && ax > -0.1f)
		{
			ax = 0.0f;
		}

You now have a dead zone between -0.1 and 0.1 on that particular axis.
This issue is caused due to controller stick not sitting exactly at 0.0 even when noone is using them.