public override void Inject(List<RenderItem> items, Matrix4 transform, params string[] args)
{
Point3 p = new Point3(0.0d, 0.0d, 0.0d);
p.Transform(transform);
Point3 q = new Point3(Maths.Sqrt_3, Maths.Sqrt_3, Maths.Sqrt_3);
q.TransformNonShift(transform);
items.Add(new Sphere(p, q.Length, this.DefaultMaterial));
}
public void TestInvTransformNonShift()
{
for(int i = 0x00; i < TestParameters.PointTest; i++) {
Point3 p = Point3.Random();
Matrix4 M = new Matrix4(Maths.RandomGenerator.NextDouble(),
Maths.RandomGenerator.NextDouble(),
Maths.RandomGenerator.NextDouble(),
Maths.RandomGenerator.NextDouble(),
Maths.RandomGenerator.NextDouble(),
Maths.RandomGenerator.NextDouble(),
Maths.RandomGenerator.NextDouble(),
Maths.RandomGenerator.NextDouble(),
Maths.RandomGenerator.NextDouble(),
Maths.RandomGenerator.NextDouble(),
Maths.RandomGenerator.NextDouble(),
Maths.RandomGenerator.NextDouble());
Point3 q = new Point3(p);
q.TransformNonShift(M);
q.InvTransformNonShift(M);
Assert.IsTrue(Math.Abs(p.X-q.X) <= Maths.GlobalEpsilon);
Assert.IsTrue(Math.Abs(p.Y-q.Y) <= Maths.GlobalEpsilon);
Assert.IsTrue(Math.Abs(p.Z-q.Z) <= Maths.GlobalEpsilon);
}
}