/// Finds the distance along the path that is closest to the given point
public float GetClosestDistanceAlongPath(Vector3 worldPoint)
{
Vector3 localPoint = MathUtility.InverseTransformPoint(worldPoint, transform, space);
TimeOnPathData data = CalculateClosestPointOnPathData(localPoint);
return(Mathf.Lerp(cumulativeLengthAtEachVertex[data.previousIndex], cumulativeLengthAtEachVertex[data.nextIndex], data.percentBetweenIndices));
}
/// Finds the 'time' (0=start of path, 1=end of path) along the path that is closest to the given point
public float GetClosestTimeOnPath(Vector3 worldPoint)
{
Vector3 localPoint = MathUtility.InverseTransformPoint(worldPoint, transform, space);
TimeOnPathData data = CalculateClosestPointOnPathData(localPoint);
return(Mathf.Lerp(times[data.previousIndex], times[data.nextIndex], data.percentBetweenIndices));
}
/// Finds the distance along the path that is closest to the given point
public float GetClosestDistanceAlongPath(Vector3 worldPoint)
{
TimeOnPathData data = CalculateClosestPointOnPathData(worldPoint);
return(Mathf.Lerp(cumulativeLengthAtEachVertex[data.previousIndex],
cumulativeLengthAtEachVertex[data.nextIndex], data.percentBetweenIndices));
}
/// Finds the closest point on the path from any point in the world
public Vector3 GetClosestPointOnPath(Vector3 worldPoint)
{
// Transform the provided worldPoint into VertexPath local-space.
// This allows to do math on the localPoint's, thus avoiding the need to
// transform each local vertexpath point into world space via GetPoint.
Vector3 localPoint = MathUtility.InverseTransformPoint(worldPoint, transform, space);
TimeOnPathData data = CalculateClosestPointOnPathData(localPoint);
Vector3 localResult = Vector3.Lerp(localPoints[data.previousIndex], localPoints[data.nextIndex], data.percentBetweenIndices);
// Transform local result into world space
return(MathUtility.TransformPoint(localResult, transform, space));
}
/// Finds the closest segment index on the path from any point in the world
public int GetClosestBezierSegmentIndexOnPath(Vector3 worldPoint)
{
// Transform the provided worldPoint into VertexPath local-space.
// This allows to do math on the localPoint's, thus avoiding the need to
// transform each local vertexpath point into world space via GetPoint.
Vector3 localPoint = MathUtility.InverseTransformPoint(worldPoint, transform, space);
TimeOnPathData data = CalculateClosestPointOnPathData(localPoint);
int res = GetBezierSegmentIndex(data.previousIndex);
return(res);
}
/// Finds the 'time' (0=start of path, 1=end of path) along the path that is closest to the given point
public float GetClosestTimeOnPath(Vector3 worldPoint)
{
TimeOnPathData data = CalculateClosestPointOnPathData(worldPoint);
return(Mathf.Lerp(times[data.previousIndex], times[data.nextIndex], data.percentBetweenIndices));
}
/// Finds the closest point on the path from any point in the world
public Vector3 GetClosestPointOnPath(Vector3 worldPoint)
{
TimeOnPathData data = CalculateClosestPointOnPathData(worldPoint);
return(Vector3.Lerp(GetPoint(data.previousIndex), GetPoint(data.nextIndex), data.percentBetweenIndices));
}
