private void generate_ordered(List <Vector3> knots, bool generate_fine = false)
{
OrderedPoints = new List <Vector3>();
var path = new CubicBezierPath(knots.ToArray());
var mindist = 0.06f;
var spacing = 0.08f;
var max = (float)(knots.Count - 1) - 0.12f;
var i = 0.12f;
var last = P1;
while (i < max)
{
var pt = path.GetPoint(i);
if (Vector3.Distance(pt, last) >= mindist)
{
OrderedPoints.Add(pt);
last = pt;
}
i += spacing;
}
if (!generate_fine)
{
return;
}
OrderedFinePoints = new List <Vector3>();
mindist = 0.04f;
spacing = 0.03f;
max = (float)(knots.Count - 1) - 0.04f;
i = 0.04f;
last = P1;
while (i < max)
{
var pt = path.GetPoint(i);
if (Vector3.Distance(pt, last) >= mindist)
{
OrderedFinePoints.Add(pt);
last = pt;
}
i += spacing;
}
var mid_start = (P1 + OrderedFinePoints[0]) * 0.5f;
var mid_end = (P2 + OrderedFinePoints[OrderedFinePoints.Count - 1]) * 0.5f;
OrderedFinePoints.Insert(0, mid_start);
OrderedFinePoints.Add(mid_end);
}
private List <Vector3> get_contour(PolyBorder pb, float min_lat, float max_lat)
{
var dist = 0.08f;
var pts = new List <Vector3>();
var norm = (pb.P2 - pb.P1).normalized;
var prev = pb.P1;
var lateral = Vector3.zero;
for (var i = 0; i < pb.OrderedPoints.Count - 1; i++)
{
var pt = pb.OrderedPoints[i];
if (Vector3.Distance(prev, pt) < dist)
{
continue;
}
var behind = pb.OrderedPoints[Mathf.Max(i - 1, 0)];
var forward = pb.OrderedPoints[Mathf.Min(i + 1, pb.OrderedPoints.Count - 1)];
dist = UnityEngine.Random.Range(0.04f, 0.16f);
var dir = (pt - behind).normalized;
var lateral1 = Vector3.Cross(dir, Vector3.forward);
dir = (forward - pt).normalized;
var lateral2 = Vector3.Cross(dir, Vector3.forward);
var true_lat = (lateral1 + lateral2) * 0.5f;
if (i == 0)
{
true_lat = lateral2;
}
else if (i == pb.OrderedPoints.Count - 1)
{
true_lat = lateral1;
}
var shift = pt + true_lat * UnityEngine.Random.Range(min_lat, max_lat);
pts.Add(shift);
lateral = true_lat;
prev = pt;
}
var endpt = pb.P2 + norm * 0.04f + lateral * min_lat;
var endpt2 = pb.P2 + norm * 0.04f - lateral * min_lat;
pts.Add(endpt);
pts.Add(endpt2);
prev = endpt;
dist = 0.08f;
var ordered = pb.Reversed().OrderedPoints;
for (var i = 0; i < ordered.Count - 1; i++)
{
var pt = ordered[i];
if (Vector3.Distance(prev, pt) < dist)
{
continue;
}
var behind = ordered[Mathf.Max(i - 1, 0)];
var forward = ordered[Mathf.Min(i + 1, ordered.Count - 1)];
dist = UnityEngine.Random.Range(0.04f, 0.16f);
var dir = (pt - behind).normalized;
var lateral1 = Vector3.Cross(dir, Vector3.forward);
dir = (forward - pt).normalized;
var lateral2 = Vector3.Cross(dir, Vector3.forward);
var true_lat = (lateral1 + lateral2) * 0.5f;
if (i == 0)
{
true_lat = lateral2;
}
else if (i == ordered.Count - 1)
{
true_lat = lateral1;
}
var shift = pt + true_lat * UnityEngine.Random.Range(min_lat, max_lat);
pts.Add(shift);
lateral = true_lat;
prev = pt;
}
endpt = pb.P1 - norm * 0.04f + lateral * min_lat;
endpt2 = pb.P1 - norm * 0.04f - lateral * min_lat;
pts.Add(endpt);
pts.Add(endpt2);
pts.Add(pts[0]);
var path = new CubicBezierPath(pts.ToArray());
var max = (float)(pts.Count - 1) - 0.04f;
var j = 0.04f;
var spacing = 0.04f;
var last = pb.P1;
ordered = new List <Vector3>();
while (j < max)
{
var pt = path.GetPoint(j);
if (Vector3.Distance(pt, last) >= spacing)
{
ordered.Add(pt);
last = pt;
}
j += 0.04f;
}
return(ordered);
}