// public Vector3 GetVelocity (float t) {
// int i;
// if (t >= 1f) {
// t = 1f;
// i = points.Length - 4;
// }
// else {
// t = Mathf.Clamp01(t) * CurveCount;
// i = (int)t;
// t -= i;
// i *= 3;
// }
// return Bezier.GetFirstDerivative(points[i], points[i + 1], points[i + 2], points[i + 3], t);
//}
//public Vector3 GetDirection (float t) {
// return GetVelocity(t).normalized;
//}
// public void AddCurve(Vector3 firstControlPoint, Vector3 secondControlPoint, Vector3 dst)
// {
// Array.Resize(ref points, points.Length + 3);
// points[points.Length - 3] = firstControlPoint;
// points[points.Length - 2] = firstControlPoint;
// points[points.Length - 1] = dst;
// Array.Resize(ref modes, modes.Length + 1);
// modes[modes.Length - 1] = modes[modes.Length - 2];
// EnforceMode(points.Length - 4);
// if (loop)
// {
// points[points.Length - 1] = points[0];
// modes[modes.Length - 1] = modes[0];
// EnforceMode(0);
// }
// }
public void AddPath(IPath walker)
{
var wrapper = new WalkerWrapper(walker);
walkers.Add(wrapper);
calculateTimeSegments();
}
/*
* Expects a value between 0-1
*/
public Vector3 GetPoint(float progressPercentage)
{
WalkerWrapper current = WalkerForTime(progressPercentage);
progressPercentage = (progressPercentage - current.startTime) / (current.endTime - current.startTime);
return(current.walker.GetPoint(progressPercentage));
}
private void calculateTimeSegments()
{
WalkerWrapper prev = walkers[0];
prev.endTime = 0f;
for (int i = 0; i < walkers.Count; ++i)
{
var walker = walkers[i];
walker.startTime = prev.endTime;
walker.endTime = walker.startTime + walker.walker.Distance / walker.walker.Speed;
prev = walker;
}
NormalizeSegmentTimes();
}
//private void EnforceMode (int index)
// {
// int modeIndex = (index + 1) / 3;
// BezierControlPointMode mode = modes[modeIndex];
// if (mode == BezierControlPointMode.Free || !loop && (modeIndex == 0 || modeIndex == modes.Length - 1)) {
// return;
// }
// int middleIndex = modeIndex * 3;
// int fixedIndex, enforcedIndex;
// if (index <= middleIndex) {
// fixedIndex = middleIndex - 1;
// if (fixedIndex < 0) {
// fixedIndex = points.Length - 2;
// }
// enforcedIndex = middleIndex + 1;
// if (enforcedIndex >= points.Length) {
// enforcedIndex = 1;
// }
// }
// else {
// fixedIndex = middleIndex + 1;
// if (fixedIndex >= points.Length) {
// fixedIndex = 1;
// }
// enforcedIndex = middleIndex - 1;
// if (enforcedIndex < 0) {
// enforcedIndex = points.Length - 2;
// }
// }
// Vector3 middle = points[middleIndex];
// Vector3 enforcedTangent = middle - points[fixedIndex];
// if (mode == BezierControlPointMode.Aligned) {
// enforcedTangent = enforcedTangent.normalized * Vector3.Distance(middle, points[enforcedIndex]);
// }
// points[enforcedIndex] = middle + enforcedTangent;
//}
private Vector3 GetPoint(WalkerWrapper walker, float relativeTime)
{
return(walker.walker.GetPoint(relativeTime));
}
