void UpdateInstruction(ARTrackedImage trackedImage)
{
var planeParentGo = trackedImage.transform.GetChild(0).gameObject;
var planeGo = planeParentGo.transform.GetChild(0).gameObject;
var canvasGroup = trackedImage.GetComponentInChildren <CanvasGroup>();
var text = trackedImage.GetComponentInChildren <Text>();
// Disable/Enable the visuals based on if this is the current instruction and it is tracked
if (trackedImage == currentInsruction && trackedImage.trackingState != TrackingState.None)
{
planeGo.SetActive(true);
canvasGroup.alpha = 1f;
// The image extents is only valid when the image is being tracked
trackedImage.transform.localScale = new Vector3(trackedImage.size.x, trackedImage.size.y, trackedImage.size.y);
// Set the texture
var material = planeGo.GetComponentInChildren <MeshRenderer>().material;
material.mainTexture = (trackedImage.referenceImage.texture == null) ? defaultTexture : trackedImage.referenceImage.texture;
// Update the step number
if (stepper != null)
{
text.text = "Step: " + stepper.GetCurrentStep().Number;
}
}
else
{
planeGo.SetActive(false);
canvasGroup.alpha = 0f;
}
}