void Update()
{
if (UIParent == null)
{
return;
}
if (UIParent.position == oldPosition && UIParent.sizeDelta == oldSize)
{
return;
}
if (canvas == null)
{
canvas = GetTopmostCanvas(UIParent);
}
if (canvas == null)
{
return;
}
oldPosition = UIParent.position;
oldSize = UIParent.sizeDelta;
UIParent.GetWorldCorners(wc);
Vector3 bl, tr;
if (canvas.renderMode == RenderMode.ScreenSpaceCamera || canvas.renderMode == RenderMode.WorldSpace)
{
bl = RectTransformUtility.WorldToScreenPoint(canvas.worldCamera, wc[0]);
tr = RectTransformUtility.WorldToScreenPoint(canvas.worldCamera, wc[2]);
}
else
{
bl = RectTransformUtility.WorldToScreenPoint(null, wc[0]);
tr = RectTransformUtility.WorldToScreenPoint(null, wc[2]);
}
bl.x /= Screen.width;
bl.y /= Screen.height;
tr.x /= Screen.width;
tr.y /= Screen.height;
normalizedScreenRect = new Vector4(bl.x, bl.y, tr.x - bl.x, tr.y - bl.y);
if (imagePlaceholder == null)
{
imagePlaceholder = UIParent.GetComponent <RawImage>();
}
if (mapRenderer == null)
{
mapRenderer = map.GetComponent <Renderer>();
}
if (imagePlaceholder != null)
{
if (Application.isPlaying)
{
if (imagePlaceholder.enabled)
{
imagePlaceholder.enabled = false;
}
}
else
{
if (mapRenderer != null && imagePlaceholder.texture != mapRenderer.sharedMaterial.mainTexture)
{
imagePlaceholder.texture = mapRenderer.sharedMaterial.mainTexture;
}
}
}
}