/// <summary>
/// This methods adds the Virtual Button as a child of "immediateParent".
/// Returns null if "immediateParent" is not an Image Target or a child of an
/// Image Target.
/// </summary>
public static VirtualButtonBehaviour CreateVirtualButton(string vbName,
Vector2 localScale,
GameObject immediateParent)
{
GameObject virtualButtonObject = new GameObject(vbName);
VirtualButtonBehaviour newVBB =
virtualButtonObject.AddComponent <VirtualButtonBehaviour>();
GameObject rootParent = immediateParent.transform.root.gameObject;
ImageTargetBehaviour parentImageTarget =
rootParent.GetComponentInChildren <ImageTargetBehaviour>();
if (parentImageTarget == null || parentImageTarget.ImageTarget == null)
{
Debug.LogError("Could not create Virtual Button. " +
"immediateParent\"immediateParent\" object is not " +
"an Image Target or a child of one.");
GameObject.Destroy(virtualButtonObject);
return(null);
}
// Add Virtual Button to its parent game object
virtualButtonObject.transform.parent = immediateParent.transform;
// Set Virtual Button attributes
IEditorVirtualButtonBehaviour newEditorVBB = newVBB;
newEditorVBB.SetVirtualButtonName(vbName);
newEditorVBB.transform.localScale = new Vector3(localScale[0], 1.0f, localScale[1]);
// Only register the virtual button with the qcarBehaviour at run-time:
if (Application.isPlaying)
{
if (!parentImageTarget.CreateNewVirtualButtonFromBehaviour(newVBB))
{
return(null);
}
}
// If we manually register the button it should be unregistered if the
// Unity object is destroyed.
newVBB.UnregisterOnDestroy = true;
return(newVBB);
}