public Quad(ImageSmoothMask.Quad quad)
{
this.min = quad.min;
this.max = quad.max;
this.uvMin0 = quad.uvMin0;
this.uvMax0 = quad.uvMax0;
this.uvMin1 = quad.uvMin1;
this.uvMax1 = quad.uvMax1;
}
public ImageSmoothMask.Quad Split(ImageSmoothMask.Quad another, List <ImageSmoothMask.Quad> unOverlappedList = null)
{
ImageSmoothMask.Quad quad = null;
ImageSmoothMask.Quad quad2 = this.Split(another, unOverlappedList, 0);
if (quad2 != null)
{
quad = quad2.Split(another, unOverlappedList, 1);
}
return(quad);
}
private ImageSmoothMask.Quad GetLowerPart(float splitPoint, float uv1, int dir)
{
splitPoint = Mathf.Min(this.max[dir], splitPoint);
ImageSmoothMask.Quad quad = new ImageSmoothMask.Quad(this);
quad.max[dir] = splitPoint;
float t = (splitPoint - this.min[dir]) / (this.max[dir] - this.min[dir]);
quad.uvMax0[dir] = Mathf.Lerp(this.uvMin0[dir], this.uvMax0[dir], t);
quad.uvMax1[dir] = uv1;
return(quad);
}
private ImageSmoothMask.Quad GetMiddlePart(float splitPoint1, float splitPoint2, int dir)
{
ImageSmoothMask.Quad quad = new ImageSmoothMask.Quad(this);
quad.min[dir] = splitPoint1;
quad.max[dir] = splitPoint2;
float t = (splitPoint1 - this.min[dir]) / (this.max[dir] - this.min[dir]);
float num2 = (splitPoint2 - this.min[dir]) / (this.max[dir] - this.min[dir]);
quad.uvMin0[dir] = Mathf.Lerp(this.uvMin0[dir], this.uvMax0[dir], t);
quad.uvMin1[dir] = Mathf.Lerp(this.uvMin1[dir], this.uvMax1[dir], t);
quad.uvMax0[dir] = Mathf.Lerp(this.uvMin0[dir], this.uvMax0[dir], num2);
quad.uvMax1[dir] = Mathf.Lerp(this.uvMin1[dir], this.uvMax1[dir], num2);
return(quad);
}
public ImageSmoothMask.Quad GridSplit(ImageSmoothMask.Quad another, List <ImageSmoothMask.Quad> unOverlappedList)
{
ImageSmoothMask.Quad quad = null;
List <ImageSmoothMask.Quad> list = new List <ImageSmoothMask.Quad>();
ImageSmoothMask.Quad item = this.Split(another, list, 0);
if (item != null)
{
quad = item.Split(another, unOverlappedList, 1);
}
foreach (ImageSmoothMask.Quad quad3 in list)
{
item = quad3.Split(another, unOverlappedList, 1);
if (item != null)
{
unOverlappedList.Add(item);
}
}
return(quad);
}
private ImageSmoothMask.Quad Split(ImageSmoothMask.Quad another, List <ImageSmoothMask.Quad> unOverlappedList, int dir)
{
float splitPoint = Mathf.Max(this.min[dir], another.min[dir]);
float num2 = Mathf.Min(this.max[dir], another.max[dir]);
if ((this.min[dir] < splitPoint) && (unOverlappedList != null))
{
unOverlappedList.Add(this.GetLowerPart(splitPoint, another.uvMin1[dir], dir));
}
if ((num2 < this.max[dir]) && (unOverlappedList != null))
{
unOverlappedList.Add(this.GetHigherPart(num2, another.uvMax1[dir], dir));
}
ImageSmoothMask.Quad quad = null;
if (splitPoint < num2)
{
quad = this.GetMiddlePart(splitPoint, num2, dir);
quad.uvMin1[dir] = Mathf.Lerp(another.uvMin1[dir], another.uvMax1[dir], (splitPoint - another.min[dir]) / (another.max[dir] - another.min[dir]));
quad.uvMax1[dir] = Mathf.Lerp(another.uvMin1[dir], another.uvMax1[dir], (num2 - another.min[dir]) / (another.max[dir] - another.min[dir]));
}
return(quad);
}