public Vector3 getGradient(int sector, float t)
{
var k1 = _keys[sector];
var k2 = _keys[sector + 1];
return(SplineUtils.GetGradient(k1.value, k2.value, k1.ts, k2.td, t));
}
public Vector3 getGradient(int sector, float t)
{
int i = sector;
var v1 = _keys[i].Key;
var v2 = _keys[i + 1].Key;
var v3 = _keys[i].Value;
var v4 = _keys[i + 1].Value;
return(SplineUtils.GetGradient(v1, v2, v3, v4, t));
}