public void Ball()
{
var ball = new Ball {DefaultColor = Color.Yellow};
Assert.False(_modelFactory.TryGetResult(ball, out _model));
ball.Radius = 5;
Assert.That(_modelFactory.TryGetResult(ball, out _model));
Assert.AreEqual(1, _model.Mesh.GetMaterials().Length);
}
public static DirectXModel CreateBall(Device device, Ball ball)
{
var drmodel = new DirectXModel
{
Mesh = Mesh.CreateSphere(device, (float)ball.Radius, Slices, Slices),
ModifierMatrix = Matrix.Translation(0, 0, (float)ball.Radius)
};
drmodel.Mesh.SetMaterials(new[] {ball.DefaultColor.GetDirectXMaterial()});
return drmodel;
}
public void TreeMovingConstantLocation()
{
var world = new Body();
var boxLocation = new Frame3D(10, 0, 0);
var ballLocation = new Frame3D(20, 10, 0);
var box = new Box {Location = boxLocation};
var ball = new Ball {Location = ballLocation};
world.Add(box);
world.Add(ball);
box.DetachAttachMaintaingLoction(ball);
Assert.AreEqual(boxLocation, box.Location);
Assert.AreEqual(ballLocation, ball.GetAbsoluteLocation());
Assert.AreEqual(new Frame3D(10, 10, 0), ball.Location);
world.DetachAttachMaintaingLoction(ball);
Assert.AreEqual(ballLocation, ball.Location);
Assert.AreEqual(ballLocation, ball.GetAbsoluteLocation());
}
public void Equal()
{
var x1 = new Ball
{
Radius = 3,
DefaultColor = Color.Yellow,
Model = new Model {FilePath = "queen"}
};
var x2 = new Ball
{
Radius = 3,
DefaultColor = Color.FromArgb(255, 255, 255, 0),
Model = new Model {FilePath = "queen"}
};
var x3 = new Ball
{
Radius = 3,
DefaultColor = Color.Yellow,
Model = new Model {FilePath = "queen"}
};
Assert.That(_comparer.Equals(x1, x2));
Assert.That(_comparer.Equals(x2, x3));
}
public static double IntersectBall(Ball ball, Ray ray)
{
//Переменные для возврата корней квадратного уравнения
double root1, root2;
//Расчет коэффициентов решения системы уравнений сферы и луча
var a = ray.Direction.MultiplyScalar(ray.Direction);
//Вспомогательный вектор
var location = new Point3D(ball.GetAbsoluteLocation().X, ball.GetAbsoluteLocation().Y, ball.GetAbsoluteLocation().Z + ball.Radius);
var vec = ray.Origin - location;
var b = 2 * ray.Direction.MultiplyScalar(vec);
var c = vec.MultiplyScalar(vec) - Math.Pow(ball.Radius, 2);
//Обработка решения
if ((QuadEquation.Solution(a, b, c, out root1, out root2)) && ((root1 >= 0) | (root2 >= 0)))
if (root1 >= 0)
{
return ray.DistanceTo(root1);
}
else
{
return ray.DistanceTo(root2);
}
return Double.PositiveInfinity;
}
public void NotEqual()
{
var x1 = new Ball
{
Radius = 3,
DefaultColor = Color.Yellow,
Model = new Model {FilePath = "queen"}
};
var x2 = new Ball
{
Radius = 3,
DefaultColor = Color.Green,
Model = new Model {FilePath = "queen"}
};
var x3 = new Ball
{
Radius = 3,
DefaultColor = Color.Yellow,
Model = new Model {FilePath = "king"}
};
Assert.That(!_comparer.Equals(x1, x2));
Assert.That(!_comparer.Equals(x2, x3));
Assert.That(!_comparer.Equals(x1, x3));
}
public void Visit(Ball visitable)
{
IPhysical physical = PhysicalManager.MakeCyllinder(visitable.Radius, visitable.Radius, visitable.Radius * 2);
physical.Body = visitable;
AfterCreating(visitable, physical);
}
public void RayTest(Ray ray, Ball ball, double distance)
{
var computedDistance = Intersector.IntersectBall(ball, ray);
Assert.AreEqual(distance, computedDistance);
{
//Console.WriteLine("Distance: {0}. Expected: {1}", computedDistance, distance);
}
}