public SlicePoint2D IntersectX(int xpos)
{
var pnt = new SlicePoint2D();
double minx, maxx;
double miny, maxy;
double xp = xpos;
minx = (double)Math.Min(p1.X, p2.X);
maxx = (double)Math.Max(p1.X, p2.X);
miny = (double)Math.Min(p1.Y, p2.Y);
maxy = (double)Math.Max(p1.Y, p2.Y);
double xrange = maxx - minx;// the range of the x coord
double scale = (double)((xp - minx) / xrange);
//pnt.x = (int)LERP(minx, maxx, scale);
SlicePoint2D pmin, pmax;
if (p1.X < p2.X) // find the point with the min x
{
pmin = p1;
pmax = p2;
}
else
{
pmin = p2;
pmax = p1;
}
pnt.X = xpos;
pnt.Y = (float)LERP(pmin.Y, pmax.Y, scale);
pnt.Normal = this.Normal;
return(pnt);
}
public SlicePoint2D IntersectY(int ypos)
{
var pnt = new SlicePoint2D();
double minx, maxx;
double miny, maxy;
double yp = ypos;
minx = (double)Math.Min(p1.X, p2.X);
maxx = (double)Math.Max(p1.X, p2.X);
miny = (double)Math.Min(p1.Y, p2.Y);
maxy = (double)Math.Max(p1.Y, p2.Y);
double yrange = maxy - miny;// the range of the x coord
double scale = (double)((yp - miny) / yrange);
//pnt.x = (int)LERP(minx, maxx, scale);
SlicePoint2D pmin, pmax;
if (p1.Y < p2.Y) // find the point with the min y
{
pmin = p1;
pmax = p2;
}
else
{
pmin = p2;
pmax = p1;
}
pnt.X = (float)LERP(pmin.X, pmax.X, scale);
pnt.Y = ypos;
pnt.Normal = this.Normal;
return(pnt);
}
public SliceLine2D()
{
this.p1 = new SlicePoint2D();
this.p2 = new SlicePoint2D();
}
