public Slice(Point2F center, double radius, RotationDirection dir)
{
_ball = new Circle2F(center, radius);
_placement = Slice_placement.NORMAL;
create_arc_circle(new Point2F(center.X + radius, center.Y), dir);
}
public Slice(Slice parent, Point2F center, double radius, RotationDirection dir, double tool_r, Point2F magnet)
{
_parent = parent;
_ball = new Circle2F(center, radius);
double dist = Point2F.Distance(center, parent.Center);
double delta_r = this.Radius - parent.Radius;
double coarse_ted = dist + delta_r;
// 1) one ball is inside other, no intersections
// 2) balls are spaced too far and do not intersect, TED is 0, distance is positive
// 3) balls are intersect, TED is valid
if (dist <= Math.Abs(delta_r))
{
_placement = Slice_placement.INSIDE_ANOTHER;
return;
}
if (dist >= this.Radius + parent.Radius)
{
_placement = Slice_placement.TOO_FAR;
return;
}
// TED can't be more >= tool diameter, this check prevents fails during the calculation of real angle-based TED
if (coarse_ted > tool_r * 1.999)
{
_placement = Slice_placement.TOO_FAR;
return;
}
Line2F insects = _parent.Ball.CircleIntersect(this._ball);
if (insects.p1.IsUndefined || insects.p2.IsUndefined)
{
// try to return meaningful result even if CB routine had failed (unlikely)
Logger.err("no intersections found there intersections should be (_parent.Ball.CircleIntersect(_ball))");
_placement = (dist <= this.Radius || dist <= parent.Radius) ? Slice_placement.INSIDE_ANOTHER : Slice_placement.TOO_FAR;
return;
}
_placement = Slice_placement.NORMAL;
Vector2d v_move = new Vector2d(_parent.Center, this.Center);
Vector2d v1 = new Vector2d(_parent.Center, insects.p1);
RotationDirection default_dir = v_move.Det(v1) > 0 ? RotationDirection.CW : RotationDirection.CCW;
if (dir == RotationDirection.Unknown)
{
if (magnet.IsUndefined)
{
dir = RotationDirection.CCW; // just something
}
else
{
if (insects.p1.DistanceTo(magnet) < insects.p2.DistanceTo(magnet)) // match, use existing dir
{
dir = default_dir;
}
else
{
dir = (default_dir == RotationDirection.CCW) ? RotationDirection.CW : RotationDirection.CCW; // flip
}
}
}
Arc2F arc;
if (default_dir == dir)
{
arc = new Arc2F(this.Center, insects.p1, insects.p2, dir);
}
else
{
arc = new Arc2F(this.Center, insects.p2, insects.p1, dir);
}
_segments.Add(arc);
calc_teds(tool_r);
if (_mid_ted <= 0)
{
Logger.warn("forced to patch mid_ted");
_mid_ted = coarse_ted; // shouldn't be, but ok
}
_max_ted = Math.Max(_mid_ted, _entry_ted);
}
