public void InternalAngleConstraintShouldWork()
{
for (int i = 1; i < 10; i++)
{
var line1 = new Line( new Point(0, 0, false), new Point(10, 0, false, true) );
var line2 = new Line( new Point(0, 0, false), new Point(10, -1, false) );
Console.WriteLine(i);
var a = Math.PI / 2 / 3;
SketchSolve.Solver.solve
(true
, line1.HasInternalAngle(line2, new Parameter(a, false)));
line1
.Vector
.Cosine(line2.Vector)
.Should()
.BeApproximately(Math.Cos(a), 0.001);
}
}
public void SquareAroundCircle()
{
var circle = new Circle() { center = new Point(0, 0, false), rad = new Parameter(10, false) };
// We want a box around the circle where all lines touch the
// circle and line0 is vertical. We arrange the lines roughly
// in the correct placement to get the search off to a good
// start
var line0 = new Line(new Point(-21,0), new Point(0, 23));
var line1 = new Line(new Point(0,22), new Point(22, 0));
var line2 = new Line(new Point(21,0), new Point(0, -29));
var line3 = new Line(new Point(0,-27), new Point(-25, 0));
var angle = new Parameter (Math.PI/2, false);
var r = SketchSolve.Solver.solve
( true
, line0.IsTangentTo(circle)
, line1.IsTangentTo(circle)
, line2.IsTangentTo(circle)
, line3.IsTangentTo(circle)
, line0.HasInternalAngle (line1, angle)
, line1.HasInternalAngle(line2, angle)
, line2.HasInternalAngle(line3, angle)
, line3.HasInternalAngle(line0, angle)
, line0.p2.IsColocated(line1.p1)
, line1.p2.IsColocated(line2.p1)
, line2.p2.IsColocated(line3.p1)
, line3.p2.IsColocated(line0.p1)
, line0.IsVertical()
//, line1.IsHorizontal()
//, line2.IsVertical()
//, line3.IsHorizontal()
);
Console.WriteLine (line0);
Console.WriteLine (line1);
Console.WriteLine (line2);
Console.WriteLine (line3);
Console.WriteLine (circle.CenterTo(line0));
r.Should ().BeApproximately (0, 0.0001);
}
