private void DrawPath(BezierNode[] nodes)
{
CacheIfDirty();
Gizmos.color = Color.magenta;
for (int i = 0; i < nodes.Length - 1; ++i)
{
BezierNode prev = nodes[i];
BezierNode next = nodes[i + 1];
Vector3 lastPos = prev.transform.position;
Vector3 nextPos;
float t = 0;
for (int j = 0; j < _previewSegments; ++j)
{
t += 1f / _previewSegments;
nextPos = Curve(t, prev.transform.position, prev.h2, next.h1, next.transform.position);
Gizmos.color = Color.magenta;
Gizmos.DrawLine(lastPos, nextPos);
if (_showTangents)
{
Vector3 tang = (_sectors[i].TanLocal(t, false)) * _tangentScale * 0.1f;
Gizmos.color = Color.cyan;
Gizmos.DrawLine(nextPos, tang + nextPos);
}
lastPos = nextPos;
}
}
}
public Sector(BezierNode start, BezierNode end, float offset, int integrationSegments)
{
_start = start;
_end = end;
_offset = offset;
_segmentT1s = new float[integrationSegments];
Vector3 a = _start.transform.position;
Vector3 b = _start.h2;
Vector3 c = _end.h1;
Vector3 d = _end.transform.position;
// Get constant coefficients
_c1 = (d - (3 * c) + (3 * b) - a);
_c2 = ((3 * c) - (6 * b) + (3 * a));
_c3 = ((3 * b) - (3 * a));
_c4 = a;
// Calculate segment lengths
Vector3 s = _start.transform.position;
Vector3 e = _end.transform.position;
Vector3 h2 = _start.h2;
Vector3 h1 = _end.h1;
Vector3 p0 = _start.transform.position;
Vector3 p1 = _start.transform.position;
float t = 0;
// Loop over integration segments along sector
for (int i = 0; i < _segmentT1s.Length; ++i)
{
p1 = BezierSpline.Curve(t, s, h2, h1, e);
// Store local length
_segmentT1s[i] = Vector3.Distance(p1, p0);
length += _segmentT1s[i];
// Move to next segment
p0 = p1;
t += 1f / (float)_segmentT1s.Length;
}
// Get each local length as fraction, for approximate t remapping
for (int i = 0; i < _segmentT1s.Length; ++i)
{
_segmentT1s[i] /= length;
}
}