/// --- GUI ---
void OnGUI()
{
if (!this.drawsGUI)
{
// hide all GUI in certain contexts (such as while slideshow is playing, etc.)
return;
}
if (this.highlightedObject != null)
{
// draw prompt on highlighted object
Prompt prompt = this.highlightedObject.GetComponent <Prompt> ();
if (prompt != null && prompt.GetPrompt().Trim() != "")
{
prompt.DrawPrompt();
}
else
{
// draw crosshair when the prompt is left blank
this.drawCrosshair();
}
// draw potential stub on highlighted annotation object
Annotation annotation = this.highlightedObject.GetComponent <Annotation> ();
if (annotation != null && this.annotationsEnabled)
{
annotation.DrawSummary();
}
}
else
{
// draw a crosshair when we have no highlighted object
this.drawCrosshair();
}
// draw toolbar with our set of accessable area annotations
this.drawToolbar(this.areaAnnotationsInRange);
}