public void IntersectingConeWithRayParallelOneHalves()
{
var s = new shape.Cone();
var direction = pt.Vector(0, 1, 1).Normalize();
var r = new Ray(pt.Point(0, 0, -1), direction);
var xs = s.Intersect(r);
Assert.Single(xs);
Assert.Equal(0.35355, xs[0].T, 5);
}
public void IntersectConeRay(double pX, double pY, double pZ, double vX, double vY, double vZ, double t0, double t1)
{
var s = new shape.Cone();
var origin = pt.Point(pX, pY, pZ);
var direction = pt.Vector(vX, vY, vZ).Normalize();
var ray = new Ray(origin, direction);
var xs = s.Intersect(ray);
Assert.Equal(2, xs.Length);
Assert.Equal(t0, xs[0].T, 5);
Assert.Equal(t1, xs[1].T, 5);
}
public void IntersectConeEndCap(double pX, double pY, double pZ, double vX, double vY, double vZ, double count)
{
var s = new shape.Cone()
{
Minimum = -0.5,
Maximum = 0.5,
Closed = true
};
var origin = pt.Point(pX, pY, pZ);
var direction = pt.Vector(vX, vY, vZ).Normalize();
var ray = new Ray(origin, direction);
var xs = s.Intersect(ray);
Assert.Equal(count, xs.Length);
}