public override void OnEpisodeBegin()
{
goalCheck.ResetGame();
Vector3 new_pos = new Vector3(initial_position.x, initial_position.y, initial_position.z);
float noise = AgentHelper.NextGaussian(0, 5);
// Debug.Log(noise);
new_pos.x += noise;
noise = AgentHelper.NextGaussian(0, 3);
new_pos.z += noise;
this.transform.position = new_pos;
this.self_rBody.velocity = Vector3.zero;
// Initial rotation woth noise
this.transform.rotation = initial_rotation;
var euler = this.transform.eulerAngles;
euler.y += Random.Range(-20, 20);
this.transform.eulerAngles = euler;
}