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 FitTextureToPointCloud(Cloud cloud, int tileX, int tileY)
{
if (Texture.Texture == null) return;
if (tileX <= 0) tileX = 1;
if (tileY <= 0) tileY = 1;
// Scale will change, no need to use it in the calculations
var xvals = cloud.GetExtents().Select(x => x.Dot(Texture.UAxis)).ToList();
var yvals = cloud.GetExtents().Select(x => x.Dot(Texture.VAxis)).ToList();
var minU = xvals.Min();
var minV = yvals.Min();
var maxU = xvals.Max();
var maxV = yvals.Max();
Texture.XScale = (maxU - minU) / (Texture.Texture.Width * tileX);
Texture.YScale = (maxV - minV) / (Texture.Texture.Height * tileY);
Texture.XShift = -minU / Texture.XScale;
Texture.YShift = -minV / Texture.YScale;
CalculateTextureCoordinates(true);
}
private void TextureJustified(JustifyMode justifymode, bool treatasone, int tileX, int tileY)
{
if (Document.Selection.IsEmpty()) return;
var boxAlignMode = (justifymode == JustifyMode.Fit)
? Face.BoxAlignMode.Center // Don't care about the align mode when centering
: (Face.BoxAlignMode) Enum.Parse(typeof (Face.BoxAlignMode), justifymode.ToString());
Cloud cloud = null;
Action<Document, Face> action;
if (treatasone)
{
// If we treat as one, it means we want to align to one great big cloud
cloud = new Cloud(Document.Selection.GetSelectedFaces().SelectMany(x => x.Vertices).Select(x => x.Location));
}
if (justifymode == JustifyMode.Fit)
{
action = (d, x) => x.FitTextureToPointCloud(cloud ?? new Cloud(x.Vertices.Select(y => y.Location)), tileX, tileY);
}
else
{
action = (d, x) => x.AlignTextureWithPointCloud(cloud ?? new Cloud(x.Vertices.Select(y => y.Location)), boxAlignMode);
}
Document.PerformAction("Align texture", new EditFace(Document.Selection.GetSelectedFaces(), action, false));
}
