private void DoOptionsGUI(UiPositionOptions option, string positionField, string targetField)
{
switch (option)
{
case UiPositionOptions.CurrentPosition:
break;
case UiPositionOptions.Position:
EditField(positionField, "Position");
break;
case UiPositionOptions.Offset:
EditField(positionField, "Offset");
break;
case UiPositionOptions.OffscreenTop:
case UiPositionOptions.OffscreenBottom:
case UiPositionOptions.OffscreenLeft:
case UiPositionOptions.OffscreenRight:
break;
case UiPositionOptions.TargetGameObject:
EditField(targetField, "GameObject");
EditField(positionField, "Offset");
break;
default:
throw new ArgumentOutOfRangeException("option", option, null);
}
}
public override void Reset()
{
base.Reset();
fromOption = UiPositionOptions.CurrentPosition;
fromTarget = null;
fromPosition = null;
toOption = UiPositionOptions.Position;
toTarget = null;
toPosition = null;
}
public static Vector3 GetUiTargetPosition(UiPositionOptions option, RectTransform owner, Transform target, Vector3 position)
{
if (owner == null)
{
return(Vector3.zero);
}
switch (option)
{
case UiPositionOptions.CurrentPosition:
return(owner.anchoredPosition3D);
case UiPositionOptions.Position:
return(position);
case UiPositionOptions.Offset:
return(owner.anchoredPosition3D + position);
case UiPositionOptions.OffscreenTop:
var offscreen = owner.anchoredPosition3D;
var rect = GetWorldRect(owner);
offscreen.y += Screen.height - rect.yMin;
return(offscreen);
case UiPositionOptions.OffscreenBottom:
offscreen = owner.anchoredPosition3D;
rect = GetWorldRect(owner);
offscreen.y -= rect.yMax;
return(offscreen);
case UiPositionOptions.OffscreenLeft:
offscreen = owner.anchoredPosition3D;
rect = GetWorldRect(owner);
offscreen.x -= rect.xMax;
return(offscreen);
case UiPositionOptions.OffscreenRight:
offscreen = owner.anchoredPosition3D;
rect = GetWorldRect(owner);
offscreen.x += Screen.width - rect.xMin;
return(offscreen);
case UiPositionOptions.TargetGameObject:
if (target == null)
{
return(owner.anchoredPosition3D);
}
if (position != Vector3.zero)
{
return(target.TransformPoint(position));
}
return(target.position);
default:
throw new ArgumentOutOfRangeException("option", option, null);
}
}