private devDept.Eyeshot.Entities.Region BuildRegion()
{
// Face
Circle outer = new Circle(Point3D.Origin, 6);
// Eyes
Ellipse inner1 = new Ellipse(new Point3D(-2, 2, 0), 0.5, 1);
Ellipse inner2 = new Ellipse(new Point3D(2, 2, 0), 0.5, 1);
// Mouth
Circle circle = new Circle(Point3D.Origin, 4);
Point3D i1;
Point3D i2;
CompositeCurve.IntersectionLineCircle3D(new Line(-10, 0, 10, 0), circle, out i1, out i2);
Arc arc1 = new Arc(new Point3D(0, 2, 0), i1, i2);
ICurve[] segments;
circle.SplitBy(new List <Point3D> {
i1, i2
}, out segments);
CompositeCurve inner3 = new CompositeCurve(new List <ICurve>()
{
arc1, segments[1]
});
// Smile region
devDept.Eyeshot.Entities.Region reg = new devDept.Eyeshot.Entities.Region(new List <ICurve> {
outer, inner1, inner2, inner3
});
reg.ColorMethod = colorMethodType.byEntity;
reg.Color = System.Drawing.Color.FromArgb(255, 180, 30);
reg.TransformBy(new Translation(12, 25, 0) * new Rotation(Math.PI / 2, Vector3D.AxisX));
return(reg);
}