public static Point <T> operator -(Point <T> a, Point <T> b)
{
return(new Point <T>(
GenericArithmetic <T> .substract(a.x, b.x),
GenericArithmetic <T> .substract(a.y, b.y)
));
}
public Rect(Point <T> pt1, Point <T> pt2)
{
bool xCondition = GenericArithmetic <T> .gt(pt1.x, pt2.x);
bool yCondition = GenericArithmetic <T> .gt(pt1.x, pt2.x);
if (xCondition) // pt1.x > pt2.x
{
x = pt2.x;
width = GenericArithmetic <T> .substract(pt1.x, pt2.x);
}
else
{
x = pt1.x;
width = GenericArithmetic <T> .substract(pt2.x, pt1.x);
}
if (yCondition) // pt1.y > pt2.y
{
y = pt2.y;
height = GenericArithmetic <T> .substract(pt1.y, pt2.y);
}
else
{
y = pt1.y;
height = GenericArithmetic <T> .substract(pt2.y, pt1.y);
}
}
public T cross(Point <T> other)
{
return(GenericArithmetic <T> .substract(
GenericArithmetic <T> .multiply(x, other.y),
GenericArithmetic <T> .multiply(y, other.x)
));
}
public static Rect <T> operator |(Rect <T> a, Rect <T> b)
{
var abr = a.bottomRight;
var bbr = b.bottomRight;
T x = GenericArithmetic <T> .lt(a.x, b.x) ? a.x : b.x;
T y = GenericArithmetic <T> .lt(a.y, b.y) ? a.y : b.y;
T w = GenericArithmetic <T> .substract(
GenericArithmetic <T> .gt(abr.x, bbr.x)?abr.x : bbr.x,
x);
T h = GenericArithmetic <T> .substract(
GenericArithmetic <T> .gt(abr.y, bbr.y)?abr.y : bbr.y,
y);
return(new Rect <T>(x, y, w, h));
}
