private float DoDistanceComparison(SplineSigil spline, int splineSigilIndex, int pointSigilIndex)
{
// Find the point on the pre-defined spell spline
float splineIndex = 0f;
if (splineSigilIndex > 0)
{
splineIndex = (float)splineSigilIndex / (float)(sigil.points.Count - 1);
}
// Scale the point along the spline, and the current point in our manual sigil
Vector3 transformedSplinePoint = spline.GetPointOnSpellPlane(splineIndex, spellPlane);
Vector3 transformedPoint = sigil.TranslatePointToSpellPlane(sigil.points[pointSigilIndex], spellPlane);
Vector3 pointDelta = transformedSplinePoint - transformedPoint;
return(Mathf.Abs(pointDelta.sqrMagnitude));
}
// --------------------------------------------------------------------------------
// Spline detection
// --------------------------------------------------------------------------------
// For each point in our manually-drawn point sigil, compare the distance from this point
// to a point on the sigil.
// Calculate the distance from 0->t, and from t->0
private float CalculateDistance(SplineSigil spline)
{
float distanceForward = 0f;
float distanceBackwards = 0f;
for (int i = 0; i < sigil.points.Count; i++)
{
distanceForward += DoDistanceComparison(spline, i, i);
}
for (int i = 0; i < sigil.points.Count; i++)
{
distanceBackwards += DoDistanceComparison(spline, i, sigil.points.Count - i - 1);
}
if (distanceForward < distanceBackwards)
{
return(distanceForward);
}
else
{
return(distanceBackwards);
}
}
protected virtual void Start()
{
sigil = GetComponent <SplineSigil>();
}
