static public void SplitByX(this RectF2 item, float x, out RectF2 left, out RectF2 right)
{
float split = x.Min(item.GetRight());
left = RectF2Extensions.CreateStrictMinMaxRectF2(item.min, item.max.GetWithX(split));
right = RectF2Extensions.CreateStrictMinMaxRectF2(item.min.GetWithX(split), item.max);
}
static public RectF2 GetRectF2(this RectI2 item)
{
return(RectF2Extensions.CreateLowerLeftRectF2(
item.GetLowerLeftPoint().GetVectorF2(),
item.GetSize().GetVectorF2()
));
}
static public void SplitByY(this RectF2 item, float y, out RectF2 bottom, out RectF2 top)
{
float split = y.Min(item.GetTop());
bottom = RectF2Extensions.CreateStrictMinMaxRectF2(item.min, item.max.GetWithY(split));
top = RectF2Extensions.CreateStrictMinMaxRectF2(item.min.GetWithY(split), item.max);
}
static public RectF2 GetEncompassing(this RectF2 item, RectF2 rect)
{
return(RectF2Extensions.CreateStrictMinMaxRectF2(
item.GetLeft().Min(rect.GetLeft()),
item.GetBottom().Min(rect.GetBottom()),
item.GetRight().Max(rect.GetRight()),
item.GetTop().Max(rect.GetTop())
));
}
static public bool TryGetIntersection(this RectF2 item, RectF2 rect, out RectF2 intersection)
{
return(RectF2Extensions.TryCreateStrictMinMaxRectF2(
item.GetLeft().Max(rect.GetLeft()),
item.GetBottom().Max(rect.GetBottom()),
item.GetRight().Min(rect.GetRight()),
item.GetTop().Min(rect.GetTop()),
out intersection
));
}
static public IEnumerable <RectF2> GetSubtraction(this RectF2 item, RectF2 to_subtract)
{
if (item.TryGetIntersection(to_subtract, out to_subtract) == false)
{
yield return(item);
}
else
{
RectF2 left;
if (RectF2Extensions.TryCreateStrictMinMaxRectF2(
item.GetLeft(), to_subtract.GetBottom(),
to_subtract.GetLeft(), to_subtract.GetTop(),
out left
))
{
yield return(left);
}
RectF2 right;
if (RectF2Extensions.TryCreateStrictMinMaxRectF2(
to_subtract.GetRight(), to_subtract.GetBottom(),
item.GetRight(), to_subtract.GetTop(),
out right
))
{
yield return(right);
}
RectF2 bottom;
if (RectF2Extensions.TryCreateStrictMinMaxRectF2(
item.GetLeft(), item.GetBottom(),
item.GetRight(), to_subtract.GetBottom(),
out bottom
))
{
yield return(bottom);
}
RectF2 top;
if (RectF2Extensions.TryCreateStrictMinMaxRectF2(
item.GetLeft(), to_subtract.GetTop(),
item.GetRight(), item.GetTop(),
out top
))
{
yield return(top);
}
}
}
static public RectF2 GetRect(this VectorF2 item)
{
return(RectF2Extensions.CreateCenterRectF2(item, VectorF2.ZERO));
}