public void AngleNormalizeTest()
{
PointOrient po = new PointOrient();
po.RotateItem(729);
Assert.AreEqual(9, po.orientation);
po = new PointOrient();
po.RotateItem(-729);
Assert.AreEqual(351, po.orientation);
}
/// <summary>
/// Initializes relative settings for items mapped by tracker.
/// </summary>
/// <returns>Returns a PointOrient struct that contains the mapping info of the object.</returns>
internal void InitItem(PointOrient po)
{
double theta = Math.Atan(po.coord.Z / po.coord.X) * RadsToDegree;
double thypo = Math.Sqrt(Square(po.coord.X) + Square(po.coord.Z));
double phi = Math.Atan(po.coord.Y / po.coord.X) * RadsToDegree;
double phypo = Math.Sqrt(Square(po.coord.X) + Square(po.coord.Y));
if (theta >= 0)
theta = AngleOffset - 90 + theta;
else
theta = (90 + AngleOffset) + theta;
double x = thypo * Math.Cos(theta * DegreeToRads) + TrackerPos.X;
double y = 0;
double z = thypo * Math.Sin(theta * DegreeToRads) + TrackerPos.Z;
po.coord = new Point3D(x, y, z);
}
public void ShapeUnitTestingPart1()
{
PointOrient po = new PointOrient();
po.Shape = new Rectangle();
Assert.AreEqual(Shape.Rectangle, po.Shape.Identity);
po.Shape.CreateShape(2, 2);
Assert.AreEqual(4, po.Shape.Area());
po.Shape = new Circle();
Assert.AreEqual(Shape.Circle, po.Shape.Identity);
po.Shape.CreateShape(5);
Assert.AreEqual(Math.PI * 25, po.Shape.Area());
po.Shape = new Triangle();
Assert.AreEqual(Shape.Triangle, po.Shape.Identity);
po.Shape.CreateShape(5, 2);
Assert.AreEqual(5, po.Shape.Area());
}
public void ShapeUnitTestingPart2()
{
PointOrient po = new PointOrient();
po.Shape = new Rectangle();
Assert.AreEqual(Shape.Rectangle, po.Shape.Identity);
po.Shape.CreateShape(-2, -2);
Assert.AreEqual(2, ((Rectangle)po.Shape).Length);
Assert.AreEqual(2, ((Rectangle)po.Shape).Width);
Assert.AreEqual(4, po.Shape.Area());
po.Shape = new Circle();
Assert.AreEqual(Shape.Circle, po.Shape.Identity);
po.Shape.CreateShape(-7);
Assert.AreEqual(7, ((Circle)po.Shape).Radius);
Assert.AreEqual(Math.PI * 49, po.Shape.Area());
po.Shape = new Triangle();
Assert.AreEqual(Shape.Triangle, po.Shape.Identity);
po.Shape.CreateShape(-5, -3);
Assert.AreEqual(5, ((Triangle)po.Shape).Base);
Assert.AreEqual(3, ((Triangle)po.Shape).Height);
Assert.AreEqual(7.5, po.Shape.Area());
}
/// <summary>
/// Initializes the orientation of the added item to the direction of the tracker.
/// </summary>
internal void InitOrientation(PointOrient po)
{
double deltax = TrackerPos.X - po.coord.X;
double deltaz = TrackerPos.Z - po.coord.Z;
if (deltax < 0)
po.orientation = 180 + Math.Atan(deltaz / deltax) * RadsToDegree;
else
po.orientation = Math.Atan(deltaz / deltax) * RadsToDegree;
po.orientation = NormalizeAngle(po.orientation);
}
public void PointOrientUnitTesting()
{
PointOrient po = new PointOrient();
Assert.AreEqual(new Point3D(0, 0, 0), po.coord);
Assert.AreEqual(0, po.orientation);
}
/// <summary>
/// Add a new device to the Items list.
/// </summary>
/// <param name="orientation">The angle of orientation is relavent to the x-axis increasingly in a CCW direction.</param>
/// <returns>Returns true if added else list already contains an item with that name or tracker is null.</returns>
public bool AddItem(string name, Point3D point, string trackerName)
{
if (!trackerList.ContainsKey(trackerName) || items.ContainsKey(name))
return false;
PointOrient po = new PointOrient(point);
int index = trackerList.Keys.ToList().IndexOf(trackerName);
trackerList.Values.ElementAt(index).InitItem(po);
trackerList.Values.ElementAt(index).InitOrientation(po);
CalcItemsFOV(po);
items.Add(name, po);
return true;
}
/// <summary>
/// Determines the FOV for the current orientation of an item.
/// </summary>
/// <returns>Returns an object containing directional info and mapping of the item.</returns>
private void CalcItemsFOV(PointOrient current)
{
double angle = current.orientation;
current.LeftFOV = new Point3D(Math.Cos((angle + 7.5) * DegreeToRads), 0, Math.Sin((angle + 7.5) * DegreeToRads));
current.RightFOV = new Point3D(Math.Cos((angle - 7.5) * DegreeToRads), 0, Math.Sin((angle - 7.5) * DegreeToRads));
}