/// <summary>
/// shifts willBeIn so it is centered in uvRect1, then find a rect that encloses both
/// </summary>
/// <param name="uvRect1"></param>
/// <param name="willBeIn"></param>
/// <returns></returns>
public static DRect GetEncapsulatingRectShifted(ref DRect uvRect1, ref DRect willBeIn)
{
DVector2 bc = uvRect1.center;
DVector2 tfc = willBeIn.center;
DVector2 diff = DVector2.Subtract(bc, tfc);
double dx = Convert.ToInt32(diff.x);
double dy = Convert.ToInt32(diff.y);
DRect uvRect2 = new DRect(willBeIn);
uvRect2.x += dx;
uvRect2.y += dy;
double smnx = uvRect1.x;
double smny = uvRect1.y;
double smxx = uvRect1.x + uvRect1.width;
double smxy = uvRect1.y + uvRect1.height;
double bmnx = uvRect2.x;
double bmny = uvRect2.y;
double bmxx = uvRect2.x + uvRect2.width;
double bmxy = uvRect2.y + uvRect2.height;
double minx, miny, maxx, maxy;
minx = maxx = smnx;
miny = maxy = smny;
if (bmnx < minx)
{
minx = bmnx;
}
if (smnx < minx)
{
minx = smnx;
}
if (bmny < miny)
{
miny = bmny;
}
if (smny < miny)
{
miny = smny;
}
if (bmxx > maxx)
{
maxx = bmxx;
}
if (smxx > maxx)
{
maxx = smxx;
}
if (bmxy > maxy)
{
maxy = bmxy;
}
if (smxy > maxy)
{
maxy = smxy;
}
DRect uvRectCombined = new DRect(minx, miny, maxx - minx, maxy - miny);
return(uvRectCombined);
}
public static DRect GetShiftTransformToFitBinA(ref DRect A, ref DRect B)
{
DVector2 ac = A.center;
DVector2 bc = B.center;
DVector2 diff = DVector2.Subtract(ac, bc);
double dx = Convert.ToInt32(diff.x);
double dy = Convert.ToInt32(diff.y);
return(new DRect(dx, dy, 1.0, 1.0));
}
/*
* public static void InvertHierarchy(ref DRect uvRect, ref DRect matRect)
* {
* matRect.x = (uvRect.x * matRect.width + matRect.x - uvRect.x) / uvRect.width;
* matRect.y = (uvRect.y * matRect.height + matRect.y - uvRect.y) / uvRect.height;
* }
*/
public static bool RectContainsShifted(ref DRect bucket, ref DRect tryFit)
{
//get the centers of bucket and tryFit
DVector2 bc = bucket.center;
DVector2 tfc = tryFit.center;
DVector2 diff = DVector2.Subtract(bc, tfc);
double dx = Convert.ToInt32(diff.x);
double dy = Convert.ToInt32(diff.y);
DRect tmp = new DRect(tryFit);
tmp.x += dx;
tmp.y += dy;
return(bucket.Encloses(tmp));
}
