public void RayMissCube(double px, double py, double pz, double vx, double vy, double vz)
{
var point = pt.Point(px, py, pz);
var direction = pt.Vector(vx, vy, vz);
var c = new shape.Cube();
var r = new Ray(point, direction);
var xs = c.Intersect(r);
Assert.Empty(xs);
}
public void RayIntersectCube(double px, double py, double pz, double vx, double vy, double vz, double t1, double t2)
{
var point = pt.Point(px, py, pz);
var direction = pt.Vector(vx, vy, vz);
var c = new shape.Cube();
var r = new Ray(point, direction);
var xs = c.Intersect(r);
Assert.Equal(2, xs.Length);
Assert.Equal(t1, xs[0].T);
Assert.Equal(t2, xs[1].T);
}
