private async Task Justify(BoxAlignMode mode, bool fit)
{
var sel = GetFaceSelection();
if (sel.IsEmpty)
{
return;
}
Cloud cloud = null;
if (ShouldTreatAsOne())
{
cloud = new Cloud(sel.GetSelectedFaces().SelectMany(x => x.Value.Vertices));
}
var tc = await Document.Environment.GetTextureCollection();
if (tc == null)
{
return;
}
await ApplyChanges(async (mo, f) =>
{
var tex = await tc.GetTextureItem(f.Texture.Name);
if (tex == null)
{
return(false);
}
if (fit)
{
f.Texture.FitToPointCloud(tex.Width, tex.Height, cloud ?? new Cloud(f.Vertices), 1, 1);
}
else
{
f.Texture.AlignWithPointCloud(tex.Width, tex.Height, cloud ?? new Cloud(f.Vertices), mode);
}
return(true);
});
}
public void AlignTextureWithPointCloud(Cloud cloud, BoxAlignMode mode)
{
if (Texture.Texture == null)
{
return;
}
var xvals = cloud.GetExtents().Select(x => x.Dot(Texture.UAxis) / Texture.XScale).ToList();
var yvals = cloud.GetExtents().Select(x => x.Dot(Texture.VAxis) / Texture.YScale).ToList();
var minU = xvals.Min();
var minV = yvals.Min();
var maxU = xvals.Max();
var maxV = yvals.Max();
switch (mode)
{
case BoxAlignMode.Left:
Texture.XShift = -minU;
break;
case BoxAlignMode.Right:
Texture.XShift = -maxU + Texture.Texture.Width;
break;
case BoxAlignMode.Center:
var avgU = (minU + maxU) / 2;
var avgV = (minV + maxV) / 2;
Texture.XShift = -avgU + Texture.Texture.Width / 2m;
Texture.YShift = -avgV + Texture.Texture.Height / 2m;
break;
case BoxAlignMode.Top:
Texture.YShift = -minV;
break;
case BoxAlignMode.Bottom:
Texture.YShift = -maxV + Texture.Texture.Height;
break;
}
CalculateTextureCoordinates(true);
}
public void AlignTextureWithPointCloud(Cloud cloud, BoxAlignMode mode)
{
if (Texture.Texture == null) return;
var xvals = cloud.GetExtents().Select(x => x.Dot(Texture.UAxis) / Texture.XScale).ToList();
var yvals = cloud.GetExtents().Select(x => x.Dot(Texture.VAxis) / Texture.YScale).ToList();
var minU = xvals.Min();
var minV = yvals.Min();
var maxU = xvals.Max();
var maxV = yvals.Max();
switch (mode)
{
case BoxAlignMode.Left:
Texture.XShift = -minU;
break;
case BoxAlignMode.Right:
Texture.XShift = -maxU + Texture.Texture.Width;
break;
case BoxAlignMode.Center:
var avgU = (minU + maxU) / 2;
var avgV = (minV + maxV) / 2;
Texture.XShift = -avgU + Texture.Texture.Width / 2m;
Texture.YShift = -avgV + Texture.Texture.Height / 2m;
break;
case BoxAlignMode.Top:
Texture.YShift = -minV;
break;
case BoxAlignMode.Bottom:
Texture.YShift = -maxV + Texture.Texture.Height;
break;
}
CalculateTextureCoordinates(true);
}
public static void AlignWithPointCloud(this Texture tex, int width, int height, Cloud cloud, BoxAlignMode mode)
{
if (width <= 0 || height <= 0)
{
return;
}
var xvals = cloud.GetExtents().Select(x => x.Dot(tex.UAxis) / tex.XScale).ToList();
var yvals = cloud.GetExtents().Select(x => x.Dot(tex.VAxis) / tex.YScale).ToList();
var minU = xvals.Min();
var minV = yvals.Min();
var maxU = xvals.Max();
var maxV = yvals.Max();
switch (mode)
{
case BoxAlignMode.Left:
tex.XShift = -minU;
break;
case BoxAlignMode.Right:
tex.XShift = -maxU + width;
break;
case BoxAlignMode.Center:
var avgU = (minU + maxU) / 2;
var avgV = (minV + maxV) / 2;
tex.XShift = -avgU + width / 2f;
tex.YShift = -avgV + height / 2f;
break;
case BoxAlignMode.Top:
tex.YShift = -minV;
break;
case BoxAlignMode.Bottom:
tex.YShift = -maxV + height;
break;
}
}
