void DrawGizmos()
{
var spline = (Spline)target;
var cps = spline.cps;
System.Func <int, Vector3> GetCP = spline.GetCP;
if (cps == null || cps.Length < 2)
{
return;
}
var dt = 1f / GIZMO_SMOOTH_LEVEL;
var kMin = float.MaxValue;
var kMax = 0f;
for (var i = 0; i < cps.Length; i++)
{
var t = (float)i;
for (var j = 0; j < GIZMO_SMOOTH_LEVEL; j++)
{
var k = CatmullSplineUtil.Curvature(t, spline.GetCP);
k = Mathf.Clamp(k, JET_K_MIN, JET_K_MAX);
if (k < kMin)
{
kMin = k;
}
else if (kMax < k)
{
kMax = k;
}
t += dt;
}
}
var jetA = 0.66666f / (kMin - kMax);
var jetB = -jetA * kMax;
var startPos = CatmullSplineUtil.Position(0f, GetCP);
for (var i = 0; i < cps.Length; i++)
{
var t = (float)i;
for (var j = 0; j < GIZMO_SMOOTH_LEVEL; j++)
{
var k = CatmullSplineUtil.Curvature(t, spline.GetCP);
k = Mathf.Clamp(k, kMin, kMax);
Handles.color = Color.HSVToRGB(jetA * k + jetB, 1f, 1f);
var endPos = CatmullSplineUtil.Position(t += dt, GetCP);
Handles.DrawLine(startPos, endPos);
startPos = endPos;
}
}
}
public Vector3 Velosity(float t)
{
return(CatmullSplineUtil.Velosity(t, GetCP));
}
public Vector3 Position(float t)
{
return(CatmullSplineUtil.Position(t, GetCP));
}