public void RayMissCylinder(double pX, double pY, double pZ, double vX, double vY, double vZ)
{
var origin = pt.Point(pX, pY, pZ);
var direction = pt.Vector(vX, vY, vZ).Normalize();
var cyl = new shape.Cylinder();
var ray = new Ray(origin, direction);
var xs = cyl.Intersect(ray);
Assert.Empty(xs);
}
public void RayStrikeCylinder(double pX, double pY, double pZ, double vX, double vY, double vZ, double t0, double t1)
{
var cyl = new shape.Cylinder();
var origin = pt.Point(pX, pY, pZ);
var direction = pt.Vector(vX, vY, vZ).Normalize();
var ray = new Ray(origin, direction);
var xs = cyl.Intersect(ray);
Assert.Equal(2, xs.Length);
Assert.Equal(t0, xs[0].T, 5);
Assert.Equal(t1, xs[1].T, 5);
}
public void IntersectingConstrainedCylinder(double pX, double pY, double pZ, double vX, double vY, double vZ, int count)
{
var point = pt.Point(pX, pY, pZ);
var direction = pt.Vector(vX, vY, vZ).Normalize();
var cyl = new shape.Cylinder
{
Minimum = 1,
Maximum = 2
};
var r = new Ray(point, direction);
var xs = cyl.Intersect(r);
Assert.Equal(count, xs.Length);
}