public void Parametrize(int fromSegmentIndex, int toSegmentIndex)
{
if (knots.Count < MinimumKnotNb)
{
return;
}
int nbSegments = System.Math.Min(toSegmentIndex + 1, NbSegments);
fromSegmentIndex = System.Math.Max(0, fromSegmentIndex);
float totalDistance = 0;
if (fromSegmentIndex > 0)
{
totalDistance = GetSegmentDistanceFromStart(fromSegmentIndex - 1);
}
for (int i = fromSegmentIndex; i < nbSegments; i++)
{
/*if(IsSegmentValid(i) && !force)
* {
* totalDistance = GetSegmentDistanceFromStart(i);
* continue;
* }*/
SubKnot[] subKnots = GetSegmentSubKnots(i);
for (int j = 0; j < subKnots.Length; j++)
{
SubKnot sk = new SubKnot();
sk.distanceFromStart = totalDistance += ComputeLengthOfSegment(i, (j - 1) * Epsilon, j * Epsilon);
sk.position = GetPositionOnSegment(i, j * Epsilon);
sk.tangent = GetTangentOnSegment(i, j * Epsilon);
sk.height = GetHeightOnSegment(i, j * Epsilon);
subKnots[j] = sk;
}
knots[FirstSegmentKnotIndex + i].distanceFromStart = totalDistance;
}
}
public bool PlaceMarker(Marker result, float distance, Marker from = null)
{
//result = new Marker();
SubKnot[] subKnots;
int nbSegments = NbSegments;
if (nbSegments == 0)
{
return(false);
}
//Parametrize();
if (distance <= 0)
{
result.segmentIndex = 0;
result.subKnotAIndex = 0;
result.subKnotBIndex = 1;
result.lerpRatio = 0f;
return(true);
}
else if (distance >= Length())
{
subKnots = GetSegmentSubKnots(nbSegments - 1);
result.segmentIndex = nbSegments - 1;
result.subKnotAIndex = subKnots.Length - 2;
result.subKnotBIndex = subKnots.Length - 1;
result.lerpRatio = 1f;
return(true);
}
int fromSegmentIndex = 0;
int fromSubKnotIndex = 1;
if (from != null)
{
fromSegmentIndex = from.segmentIndex;
//fromSubKnotIndex = from.subKnotAIndex;
}
for (int i = fromSegmentIndex; i < nbSegments; i++)
{
if (distance > GetSegmentDistanceFromStart(i))
{
continue;
}
subKnots = GetSegmentSubKnots(i);
for (int j = fromSubKnotIndex; j < subKnots.Length; j++)
{
SubKnot sk = subKnots[j];
if (distance > sk.distanceFromStart)
{
continue;
}
result.segmentIndex = i;
result.subKnotAIndex = j - 1;
result.subKnotBIndex = j;
result.lerpRatio = 1f - ((sk.distanceFromStart - distance) /
(sk.distanceFromStart - subKnots[j - 1].distanceFromStart));
break;
}
break;
}
return(true);
}
public void Parametrize(int fromSegmentIndex, int toSegmentIndex)
{
if (knots.Count < MinimumKnotNb)
return;
int nbSegments = System.Math.Min (toSegmentIndex + 1, NbSegments);
fromSegmentIndex = System.Math.Max (0, fromSegmentIndex);
float totalDistance = 0;
if (fromSegmentIndex > 0) {
totalDistance = GetSegmentDistanceFromStart (fromSegmentIndex - 1);
}
for (int i=fromSegmentIndex; i<nbSegments; i++) {
/*if(IsSegmentValid(i) && !force)
{
totalDistance = GetSegmentDistanceFromStart(i);
continue;
}*/
SubKnot[] subKnots = GetSegmentSubKnots (i);
for (int j=0; j<subKnots.Length; j++) {
SubKnot sk = new SubKnot ();
sk.distanceFromStart = totalDistance += ComputeLengthOfSegment (i, (j - 1) * Epsilon, j * Epsilon);
sk.position = GetPositionOnSegment (i, j * Epsilon);
sk.tangent = GetTangentOnSegment (i, j * Epsilon);
subKnots [j] = sk;
}
knots [FirstSegmentKnotIndex + i].distanceFromStart = totalDistance;
}
}
