public static IsoscelesTrapezoid ConstructDefaultIsoscelesTrapezoid()
{
int base1 = Figure.DefaultSideLength();
int side = Figure.DefaultSideLength();
// Ensure a smaller side then base for a 'normal' look.
while (base1 <= side)
{
base1 = Figure.DefaultSideLength();
side = Figure.DefaultSideLength();
}
int baseAngle = Figure.DefaultFirstQuadrantNonRightAngle();
Point topLeft = Figure.GetPointByLengthAndAngleInStandardPosition(side, baseAngle);
topLeft = PointFactory.GeneratePoint(topLeft.X, topLeft.Y);
Point topRight = Figure.GetPointByLengthAndAngleInThirdQuadrant(side, baseAngle);
topRight = PointFactory.GeneratePoint(base1 + topRight.X, topRight.Y);
Point bottomRight = PointFactory.GeneratePoint(base1, 0);
Segment left = new Segment(origin, topLeft);
Segment top = new Segment(topLeft, topRight);
Segment right = new Segment(topRight, bottomRight);
Segment bottom = new Segment(bottomRight, origin);
return(new IsoscelesTrapezoid(left, right, top, bottom));
}
public new static List <FigSynthProblem> AppendShape(Figure outerShape, List <Segment> segments)
{
List <FigSynthProblem> composed = new List <FigSynthProblem>();
int length = Figure.DefaultSideLength();
int angle = Figure.DefaultFirstQuadrantNonRightAngle();
foreach (Segment seg in segments)
{
List <Triangle> tris;
MakeTriangles(seg, length, angle, out tris);
foreach (Triangle t in tris)
{
FigSynthProblem prob = Figure.MakeAdditionProblem(outerShape, t);
if (prob != null)
{
composed.Add(prob);
}
}
}
return(FigSynthProblem.RemoveSymmetric(composed));
}
public static Rhombus ConstructDefaultRhombus()
{
int sideLength = Figure.DefaultSideLength();
int baseAngle = Figure.DefaultFirstQuadrantNonRightAngle();
Point topLeft = Figure.GetPointByLengthAndAngleInStandardPosition(sideLength, baseAngle);
double offsetX = topLeft.X;
double offsetY = topLeft.Y;
topLeft = PointFactory.GeneratePoint(topLeft.X, topLeft.Y);
Point topRight = PointFactory.GeneratePoint(offsetX + sideLength, offsetY);
Point bottomRight = PointFactory.GeneratePoint(sideLength, 0);
Segment left = new Segment(origin, topLeft);
Segment top = new Segment(topLeft, topRight);
Segment right = new Segment(topRight, bottomRight);
Segment bottom = new Segment(bottomRight, origin);
return(new Rhombus(left, right, top, bottom));
}
//
// Append parallelograms to appropriate segments.
//
public new static List <FigSynthProblem> AppendShape(Figure outerShape, List <Segment> segments)
{
// Acquire a set of lengths of the given segments.
List <int> lengths = new List <int>();
segments.ForEach(s => Utilities.AddUnique <int>(lengths, (int)s.Length));
// Acquire the length of the rectangle so it is fixed among all appended shapes.
// We avoid a rhombus by looping.
int newLength = -1;
for (newLength = Figure.DefaultSideLength(); lengths.Contains(newLength); newLength = Figure.DefaultSideLength())
{
;
}
int angle = Figure.DefaultFirstQuadrantNonRightAngle();
// Create the shapes.
List <FigSynthProblem> composed = new List <FigSynthProblem>();
foreach (Segment seg in segments)
{
List <Parallelogram> parallelograms = new List <Parallelogram>();
parallelograms.AddRange(MakeParallelograms(seg, newLength, angle));
foreach (Parallelogram para in parallelograms)
{
FigSynthProblem prob = Figure.MakeAdditionProblem(outerShape, para);
if (prob != null)
{
composed.Add(prob);
}
}
}
return(FigSynthProblem.RemoveSymmetric(composed));
}