public virtual PosOri GetInterpPoint(float t)
{
var length = Length();
var tgtPos = t * length;
IndexOf(tgtPos, out int index, out float distance);
Vector3 point = Vector3.zero;
Vector3 dir = Vector3.up;
if (index < MaxIndex)
{
point = mVerts[index];
dir = mVerts[index + 1] - point;
}
if (index == MaxIndex)
{
point = mVerts[MaxIndex];
dir = point - mVerts[MaxIndex - 1];
}
dir = dir.normalized;
var overShoot = tgtPos - distance;
var quat = GetDir(index);
var pos = point + overShoot * dir;
PosOri posOri = new PosOri(pos, quat);
return(posOri);
}
virtual public Vector3[] GetNormals(PosOri posOri, bool faceted)
{
if (faceted)
{
var facetedNormals = new Vector3[2 * mVerts.Count];
for (int currentIndex = 0; currentIndex < 2 * mVerts.Count; currentIndex += 2)
{
var nextIndex = (currentIndex + 1) % mVerts.Count;
facetedNormals[currentIndex] = GetNormal(currentIndex - 1, currentIndex, posOri.orientation);
facetedNormals[currentIndex + 1] = GetNormal(currentIndex, nextIndex, posOri.orientation);
}
}
var normals = new Vector3[mVerts.Count];
for (int currentIndex = 0; currentIndex < mVerts.Count; currentIndex++)
{
var nextIndex = (currentIndex + 1) % mVerts.Count;
normals[currentIndex] = GetNormal(currentIndex, nextIndex, posOri.orientation);
}
return(normals);
}
public Vector3[] GetVerts(PosOri posOri, bool faceted)
{
if (faceted)
{
var facetedVerts = new Vector3[2 * mVerts.Count];
for (int i = 0, j = 0; i < mVerts.Count; i++, j += 2)
{
facetedVerts[j] = posOri.position + posOri.orientation * mVerts[i];
facetedVerts[j + 1] = posOri.position + posOri.orientation * mVerts[i];
}
return(facetedVerts);
}
var verts = new Vector3[mVerts.Count];
for (var i = 0; i < mVerts.Count; i++)
{
verts[i] = posOri.position + posOri.orientation * mVerts[i];
}
return(verts);
}