private void AddNewPoint()
{
// First point at zero
Vector2 pos = Vector2.zero;
if (spline.Count == 1)
{
// Second point up & right 2 units
pos = spline.GetPoint(0) + Vector2.up * 2.0f + Vector2.right * 2.0f;
}
else if (spline.Count > 1)
{
// Third+ point extended from previous & varied a little
// rotate left/right alternately for interest
Vector2 endpos = spline.GetPoint(spline.Count - 1);
Vector2 diff = endpos - spline.GetPoint(spline.Count - 2);
float angle = spline.Count % 2 > 0 ? 30.0f : -30.0f;
diff = Quaternion.AngleAxis(angle, Vector3.forward) * diff;
pos = endpos + diff;
}
spline.AddPoint(pos);
}
