koobas.hobune.stream
This question was
closed Jul 03, 2014 at 01:38 PM by
ado112 for the following reason:
The question is answered, right answer was accepted
why is my character rotation always 180° after joystick is released.
object will rotate by the joystick angle but when its released rotation is 180. Part of the script :
var joystick : Joystick; //from mobile assets.
function Update () {
var An = Mathf.Atan2(-joystick.position.x,joystick.position.y) * Mathf.Rad2Deg;
transform.rotation = Quaternion.AngleAxis(180 - An,Vector3.up);
}
Best Answer
Because Mathf.Atan2(0, 0) returns zero. (The zero vector doesn't "point" anywhere, so zero was arbitrarily chosen so the function wouldn't blow up in this case)
You may want to add a deadzone, where if the joystick deflection is less than some threshold, you don't turn the character at all. Something like:
if(joystick.position.sqrMagnitude > 0.01) // Tune this float to taste.
{
var An = Mathf.Atan2(-joystick.position.x,joystick.position.y) * Mathf.Rad2Deg;
transform.rotation = Quaternion.AngleAxis(180 - An,Vector3.up);
}
The code now won't be executed unless the joystick has some non-trivial deflection.
