/// <summary>
/// Update lifetime of one inertia vector, and add its strength
/// to the rocket if necessary
/// </summary>
/// <param name="inertia_vector">inertia vector to be applyied to the rocket</param>
/// <returns>return true if lifetime is not expired, else false</returns>
private bool UpdateInertiaVector(IntertiaVector inertia_vector)
{
inertia_vector._lifetime -= Time.deltaTime;
if (inertia_vector._lifetime <= 0)
{
return(false);
}
_pivot.position += inertia_vector._initial_strength * inertia_vector._lifetime * _inertia_coeff * Time.deltaTime;
return(true);
}
/// <summary>
/// Update position of the rocket
/// </summary>
private void UpdatePosition()
{
if (Input.mousePosition != null || Input.mousePosition != Vector3.zero)
{
_target = Camera.main.ScreenToWorldPoint(Input.mousePosition);
_target.z = 0f;
}
float angular_step = GetAngleStep();
_pivot.right = Quaternion.Euler(0f, 0f, angular_step) * _pivot.right;
Vector3 strength_added = _pivot.right * -_speed * Time.deltaTime;
_pivot.position += strength_added;
IntertiaVector inertia_vector = new IntertiaVector(strength_added);
_inertia_vectors.Add(inertia_vector);
}