void Update()
{
// Menu constants.
int numItems = menuItems.Length;
float radiansPerItem = 2.0f * Mathf.PI / numItems;
const float MIN_INNER_RADIUS = 0.02f;
const float MAX_OUTER_RADIUS = 0.25f;
const float SELECT_RADIUS = 0.04f;
// Touchpad constants.
bool touching = GvrControllerInput.IsTouching;
Vector2 touchPos = GvrControllerInput.TouchPos;
touchPos.y = -touchPos.y;
// Set the origin of the touch.
if (touching && firstTouch)
{
touchOrigin = touchPos;
firstTouch = false;
}
else if (!touching)
{
firstTouch = true;
}
if (GvrControllerInput.ClickButton)
{
touchOrigin = touchPos;
}
// Get the touch delta from the origin.
Vector2 p = (touchPos - touchOrigin) * MAX_OUTER_RADIUS;
float pMag = p.magnitude;
for (int i = 0; i < numItems; ++i)
{
float theta = radiansPerItem * i;
Vector2 dir2D = new Vector2(Mathf.Sin(theta), Mathf.Cos(theta));
Vector3 dir = new Vector3(Mathf.Sin(theta), 0.0f, Mathf.Cos(theta));
Vector3 lerpPos = Vector3.Lerp(menuItems[i].transform.localPosition, dir * iconRadius, 0.1f);
menuItems[i].transform.localPosition = lerpPos;
if (touching && pMag > MIN_INNER_RADIUS &&
Mathf.Deg2Rad * Vector2.Angle(dir2D, p) < radiansPerItem * 0.5f)
{
float blendDist = Mathf.Min(1.0f, (pMag - MIN_INNER_RADIUS) / SELECT_RADIUS);
float dist = slotRadius * blendDist + iconRadius * (1.0f - blendDist);
menuItems[i].transform.localPosition = dir * dist;
if (pMag - MIN_INNER_RADIUS >= SELECT_RADIUS)
{
OnSwipeSelect.Invoke(i);
}
}
}
}
// Update is called once per frame
void Update()
{
// Menu constants.
float radiansPerItem = 2.0f * Mathf.PI / numItems;
const float MIN_INNER_RADIUS = 0.02f;
const float MAX_OUTER_RADIUS = 0.25f;
const float SELECT_RADIUS = 0.04f;
// Touchpad constants.
bool touching = GvrControllerInput.IsTouching;
Vector2 touchPos = GvrControllerInput.TouchPos;
touchPos.y = -touchPos.y;
// Set the origin of the touch.
if (touching && firstTouch)
{
touchOrigin = touchPos;
firstTouch = false;
}
else if (!touching)
{
firstTouch = true;
}
if (GvrControllerInput.ClickButton)
{
touchOrigin = touchPos;
}
// Get the touch delta from the origin.
Vector2 p = (touchPos - touchOrigin) * MAX_OUTER_RADIUS;
float pMag = p.magnitude;
for (int i = 0; i < numItems; ++i)
{
float theta = radiansPerItem * i;
Vector2 dir2D = new Vector2(Mathf.Sin(theta), Mathf.Cos(theta));
Vector3 dir = new Vector3(Mathf.Sin(theta), 0.0f, Mathf.Cos(theta));
if (touching && pMag > MIN_INNER_RADIUS &&
Mathf.Deg2Rad * Vector2.Angle(dir2D, p) < radiansPerItem * 0.5f)
{
float blendDist = Mathf.Min(1.0f, (pMag - MIN_INNER_RADIUS) / SELECT_RADIUS);
if (pMag - MIN_INNER_RADIUS >= SELECT_RADIUS)
{
if (OnSwipeSelect != null)
{
OnSwipeSelect.Invoke((SwipeAngle)i);
}
}
}
}
}
