private Vector3 GetNormalInternal(SegmentParameter sParam)
{
SplineNode n0; SplineNode n1;
SplineNode n2; SplineNode n3;
splineInterpolator.GetNodeData(splineNodesInternal, sParam.normalizedIndex, AutoClose, out n0, out n1, out n2, out n3);
Vector3 normal0;
Vector3 normal1;
Vector3 normal2;
Vector3 normal3;
if (normalMode == NormalMode.UseNodeNormal)
{
normal0 = n0.transform.TransformDirection(n0.normal).normalized;
normal1 = n1.transform.TransformDirection(n1.normal).normalized;
normal2 = n2.transform.TransformDirection(n2.normal).normalized;
normal3 = n3.transform.TransformDirection(n3.normal).normalized;
}
else
{
normal0 = n0.transform.up;
normal1 = n1.transform.up;
normal2 = n2.transform.up;
normal3 = n3.transform.up;
}
if (splineInterpolator is HermiteInterpolator)
{
HermiteInterpolator hermiteInterpolator = splineInterpolator as HermiteInterpolator;
hermiteInterpolator.RecalcVectors(this, n0, n1, ref normal2, ref normal3);
}
return(splineInterpolator.InterpolateVector(sParam.normalizedParam, normal0, normal1, normal2.normalized, normal3.normalized, 0).normalized);
}
//Draw the spline in the scene view
void OnDrawGizmos( )
{
SplineInterpolator splineInterpolator = new HermiteInterpolator( );
float invertedLineRes = 1f/lineResolution;
for( int i = 0; i < vectorData.Length; i++ )
{
for( float parameter = 0; parameter <= 1-invertedLineRes; parameter += invertedLineRes )
{
Vector3 position1 = splineInterpolator.InterpolateVector( parameter, i, false, vectorData, 0 );
Vector3 position2 = splineInterpolator.InterpolateVector( parameter + invertedLineRes, i, false, vectorData, 0 );
Gizmos.DrawLine( position1, position2 );
}
}
}
//Draw the spline in the scene view
void OnDrawGizmos( )
{
SplineInterpolator splineInterpolator = new HermiteInterpolator( );
float invertedLineRes = 1f / lineResolution;
for (int i = 0; i < vectorData.Length; i++)
{
for (float parameter = 0; parameter <= 1 - invertedLineRes; parameter += invertedLineRes)
{
Vector3 position1 = splineInterpolator.InterpolateVector(parameter, i, false, vectorData, 0);
Vector3 position2 = splineInterpolator.InterpolateVector(parameter + invertedLineRes, i, false, vectorData, 0);
Gizmos.DrawLine(position1, position2);
}
}
}
void Update( )
{
//Calculate a continously changing parameter in the interval 0..1
parameter = Mathf.PingPong( Time.realtimeSinceStartup, 1 );
//Calculate the node index corresponding to the current spline parameter
int nodeIndex = Mathf.FloorToInt( (vectorData.Length-1) * parameter );
//Calculate a spline segment's length, assuming that all segment have the same length
float segmentLength = 1f / (vectorData.Length-1);
//Calculate the current segment parameter
float segmentParameter = (parameter - (nodeIndex * segmentLength)) / segmentLength;
//Create a new Hermite interpolator
SplineInterpolator splineInterpolator = new HermiteInterpolator( );
//Calculate the position on the spline and assign it to the transform-component of the animated object
Vector3 positionOnSpline = splineInterpolator.InterpolateVector( segmentParameter, nodeIndex, false, vectorData, 0 );
animatedObject.transform.position = positionOnSpline;
}
void Update( )
{
//Calculate a continously changing parameter in the interval 0..1
parameter = Mathf.PingPong(Time.realtimeSinceStartup, 1);
//Calculate the node index corresponding to the current spline parameter
int nodeIndex = Mathf.FloorToInt((vectorData.Length - 1) * parameter);
//Calculate a spline segment's length, assuming that all segment have the same length
float segmentLength = 1f / (vectorData.Length - 1);
//Calculate the current segment parameter
float segmentParameter = (parameter - (nodeIndex * segmentLength)) / segmentLength;
//Create a new Hermite interpolator
SplineInterpolator splineInterpolator = new HermiteInterpolator( );
//Calculate the position on the spline and assign it to the transform-component of the animated object
Vector3 positionOnSpline = splineInterpolator.InterpolateVector(segmentParameter, nodeIndex, false, vectorData, 0);
animatedObject.transform.position = positionOnSpline;
}
/// <summary>
/// This function updates the spline. It is called automatically once in a while, if updateMode isn't set to DontUpdate.
/// </summary>
public void UpdateSpline( )
{
switch (interpolationMode)
{
case InterpolationMode.Linear:
if (!(splineInterpolator is LinearInterpolator))
{
splineInterpolator = new LinearInterpolator( );
}
break;
case InterpolationMode.Bezier:
if (!(splineInterpolator is BezierInterpolator))
{
splineInterpolator = new BezierInterpolator( );
}
break;
case InterpolationMode.Hermite:
if (!(splineInterpolator is HermiteInterpolator))
{
splineInterpolator = new HermiteInterpolator( );
}
break;
case InterpolationMode.BSpline:
if (!(splineInterpolator is BSplineInterpolator))
{
splineInterpolator = new BSplineInterpolator( );
}
break;
}
//Count valid spline nodes
int validNodes = 0;
foreach (SplineNode sNode in splineNodesArray)
{
if (sNode != null)
{
++validNodes;
}
}
//Get relevant count
int relevantNodeCount = GetRelevantNodeCount(validNodes);
//Initialize the internal node array
if (splineNodesInternal == null)
{
splineNodesInternal = new List <SplineNode>( );
}
splineNodesInternal.Clear( );
if (!EnoughNodes(relevantNodeCount))
{
return;
}
splineNodesInternal.AddRange(splineNodesArray.GetRange(0, relevantNodeCount));
splineNodesInternal.Remove(null);
ReparameterizeCurve( );
updateFrame = Time.frameCount;
}