public void IntersectingTranslatedShapeWithRay()
{
var r = new RTF.Ray(pt.Point(0, 0, -5), pt.Vector(0, 0, 1));
var s = new shapes.TestShape(tf.Translation(5, 0, 0));
_ = s.Intersect(r);
Assert.Equal(pt.Point(-5, 0, -5), s.SavedRay.Origin);
Assert.Equal(pt.Vector(0, 0, 1), s.SavedRay.Direction);
}
public void IntersectingScaledShapeWithRay()
{
var r = new RTF.Ray(pt.Point(0, 0, -5), pt.Vector(0, 0, 1));
var s = new shapes.TestShape(tf.Scaling(2, 2, 2));
_ = s.Intersect(r);
Assert.Equal(pt.Point(0, 0, -2.5), s.SavedRay.Origin);
Assert.Equal(pt.Vector(0, 0, 0.5), s.SavedRay.Direction);
}