示例#1
0
文件: Point2.cs 项目: gg12123/Snake
    public void Split(Vector3 P0, Vector3 n, Shape2 shapeAbove, Shape2 shapeBelow, NewPointsGetter newPoints, ref int numInside)
    {
        LinkedPoint1 = null;
        LinkedPoint2 = null;

        var comp = Vector3.Dot(Point - P0, n);

        if (Mathf.Abs(comp) <= Utils.PointInPlaneTol)
        {
            var newAbove = this;
            var newBelow = new Point2(Point);

            newPoints.AddPoints(this, newAbove, newBelow);

            shapeAbove.AddPoint(newAbove);
            shapeBelow.AddPoint(newBelow);

            PlaneRelationship = PointPlaneRelationship.Inside;
            numInside++;
        }
        else if (comp > 0.0f)
        {
            shapeAbove.AddPoint(this);
            PlaneRelationship = PointPlaneRelationship.Above;
        }
        else
        {
            shapeBelow.AddPoint(this);
            PlaneRelationship = PointPlaneRelationship.Below;
        }
    }
示例#2
0
    private void SplitInHalf(Vector3 x, NewPointsGetter newPoints, Shape2 shapeAbove, Shape2 shapeBelow)
    {
        var a = new Point2(x);
        var b = new Point2(x);

        newPoints.AddPoints(EdgeP1, EdgeP2, a, b);

        shapeAbove.AddPoint(a);
        shapeBelow.AddPoint(b);

        if (EdgeP1.PlaneRelationship == PointPlaneRelationship.Above)
        {
            var newForBelow = new Edge2(EdgeP2, b);
            EdgeP2 = a;

            shapeAbove.Edges.Add(this);
            shapeBelow.Edges.Add(newForBelow);
        }
        else
        {
            var newForAbove = new Edge2(EdgeP2, a);
            EdgeP2 = b;

            shapeAbove.Edges.Add(newForAbove);
            shapeBelow.Edges.Add(this);
        }
    }