private bool checkScrollIntersection()
{
IOnScreenOptimisingContainer scroll = null;
CompositeDrawable cursor = this;
while (scroll == null && (cursor = cursor.Parent) != null)
{
scroll = cursor as IOnScreenOptimisingContainer;
}
return(scroll?.ScreenSpaceDrawQuad.Intersects(ScreenSpaceDrawQuad) ?? true);
}
private void computeIsIntersecting()
{
if (OptimisingContainer == null)
{
CompositeDrawable cursor = this;
while (OptimisingContainer == null && (cursor = cursor.Parent) != null)
{
OptimisingContainer = cursor as IOnScreenOptimisingContainer;
}
}
if (OptimisingContainer == null)
{
IsIntersecting = true;
}
else
{
OptimisingContainer.ScheduleCheckAction(() => IsIntersecting = OptimisingContainer.ScreenSpaceDrawQuad.Intersects(ScreenSpaceDrawQuad));
}
}
