// Update:
void Update()
{
float escape = Input.GetAxis("escape");
if (escape > 0.0f)
{
Application.Quit();
}
// Don't allow the player to make any gestures when the pixie is still
// busy with the previous command.
pixie.update();
if (!pixie.action_finished)
{
return;
}
// If we're currently learning a new gesture, don't allow new input.
if (gr.isTraining())
{
return;
}
// bool button_a_left = Input.GetButton("LeftControllerButtonA");
// bool button_a_right = Input.GetButton("RightControllerButtonA");
if (current_step == null)
{
return;
}
if (current_step.completed)
{
current_step = current_step.nextStep();
current_step.init(ref this.gr);
}
float trigger_left = Input.GetAxis("LeftControllerTrigger");
float trigger_right = Input.GetAxis("RightControllerTrigger");
// If the user is not yet dragging (pressing the trigger) on either controller, he hasn't started a gesture yet.
if (active_controller == null)
{
// If the user presses either controller's trigger, we start a new gesture.
if (trigger_right > 0.9)
{
// Right controller trigger pressed.
active_controller = GameObject.Find("Right Hand");
}
else if (trigger_left > 0.9)
{
// Left controller trigger pressed.
active_controller = GameObject.Find("Left Hand");
}
else
{
// If we arrive here, the user is pressing neither controller's trigger:
// nothing to do.
return;
}
// If we arrive here: either trigger was pressed, so we start the gesture.
GameObject hmd = GameObject.Find("Main Camera"); // alternative: Camera.main.gameObject
Vector3 hmd_p = hmd.transform.position;
Quaternion hmd_q = hmd.transform.rotation;
current_step.dragStart(ref gr, hmd_p, hmd_q);
}
// If we arrive here, the user is currently dragging with one of the controllers.
Vector3 p = active_controller.transform.position;
Quaternion q = active_controller.transform.rotation;
current_step.dragContd(ref gr, p, q);
// Show the stroke by instatiating new objects
{
GameObject star_instance = Instantiate(GameObject.Find("star"));
GameObject star = new GameObject("stroke_" + stroke_index++);
star_instance.name = star.name + "_instance";
star_instance.transform.SetParent(star.transform, false);
System.Random random = new System.Random();
star.transform.position = new Vector3(p.x + (float)random.NextDouble() / 80, p.y + (float)random.NextDouble() / 80, p.z + (float)random.NextDouble() / 80);
star.transform.rotation = new Quaternion((float)random.NextDouble() - 0.5f, (float)random.NextDouble() - 0.5f, (float)random.NextDouble() - 0.5f, (float)random.NextDouble() - 0.5f).normalized;
//star.transform.rotation.Normalize();
float star_scale = (float)random.NextDouble() + 0.3f;
star.transform.localScale = new Vector3(star_scale, star_scale, star_scale);
stroke.Add(star.name);
}
// Check if the user is still dragging or if he let go of the trigger button.
if (trigger_left < 0.85 && trigger_right < 0.85)
{
// the user let go of the trigger, ending a gesture.
active_controller = null;
// Delete the objectes that we used to display the gesture.
foreach (string star in stroke)
{
GameObject star_object = GameObject.Find(star);
if (star_object != null)
{
Destroy(star_object);
}
}
stroke.Clear();
stroke_index = 0;
current_step.dragStop(ref gr, ref this.pixie);
}
}
