Ray getRay(Camera cam, Touch t)
{
Vector3 touchPoint = new Vector3(t.position.x, t.position.y, 0f);
Ray targetRay = cam.ScreenPointToRay(touchPoint);
return(targetRay);
}
public bool AddTouch(Touch t, Camera castOn, Collider castAgainst)
{
Ray toCast = getRay(castOn, t);
// Raycast the touch, see what we hit
List <GestureHit> lh = innerCast(toCast, castAgainst);
// Update the touch link with the found handlers
MonoBehaviour[] allHanders = lh.SelectMany(m => m.HitHandlers).ToArray();
if (allHanders.Length == 0)
{
return(false);
}
touchLinks[t.fingerId] = allHanders;
// Notify all handlers
foreach (GestureHit gh in lh)
{
foreach (MonoBehaviour mb in gh.HitHandlers)
{
((IGestureHandler)mb).AddTouch(t, gh.Hit, castOn);
}
}
return(true);
}
public void UpdateTouch(Touch t)
{
if (!touchLinks.ContainsKey(t.fingerId))
{
return;
}
MonoBehaviour[] gestureHandlers = touchLinks[t.fingerId];
// Notify all enabled handlers
foreach (MonoBehaviour h in gestureHandlers)
{
IGestureHandler handler = (IGestureHandler)h;
handler.UpdateTouch(t);
}
}
public bool AddTouch(Touch t, Camera castOn, LayerMask hitLayers, bool DoRayCastAll, GUILayer gui)
{
Ray toCast = getRay(castOn, t);
List <GestureHit> lh = null;
// First see if we hit a GUI element
if (gui != null)
{
lh = innerCastGUI(t.position, castOn, gui);
}
if (lh == null || lh.Count == 0)
{
// Raycast the touch, see what we hit
if (DoRayCastAll)
{
lh = innerCastAll(toCast, hitLayers);
}
else
{
lh = innerCast(toCast, hitLayers);
}
}
// Update the touch link with the found handlers
MonoBehaviour[] allHanders = lh.SelectMany(m => m.HitHandlers).ToArray();
if (allHanders.Length == 0)
{
return(false);
}
touchLinks[t.fingerId] = allHanders;
// Notify all handlers
foreach (GestureHit gh in lh)
{
foreach (MonoBehaviour mb in gh.HitHandlers)
{
((IGestureHandler)mb).AddTouch(t, gh.Hit, castOn);
}
}
return(true);
}
public bool AddTouch(Touch t, Camera castOn, LayerMask hitLayers, bool DoRayCastAll)
{
return(AddTouch(t, castOn, hitLayers, DoRayCastAll, null));
}
