public PatternsTest(ITestOutputHelper testOutputHelper)
{
this.testOutputHelper = testOutputHelper;
var ci = new CultureInfo("en-us");
Thread.CurrentThread.CurrentCulture = ci;
Thread.CurrentThread.CurrentUICulture = ci;
matrix["identity_matrix"] = MatrixOperations.Identity(4);
colors["white"] = Tuple4.Vector(1.0, 1.0, 1.0);
colors["black"] = Tuple4.Vector(0.0, 0.0, 0.0);
}
protected override Tuple4 GetBaseNormal(IFigure figure, Tuple4 pointOnSurface, double u, double v)
{
var d = pointOnSurface.X * pointOnSurface.X + pointOnSurface.Z * pointOnSurface.Z;
if ((d < 1) && (pointOnSurface.Y + Constants.Epsilon >= Maximum))
{
return(Tuple4.Vector(0, 1, 0));
}
else if ((d < 1) && (pointOnSurface.Y - Constants.Epsilon <= Minimum))
{
return(Tuple4.Vector(0, -1, 0));
}
return(Tuple4.Vector(pointOnSurface.X, 0.0, pointOnSurface.Z));
}
public Tuple4 TransformObjectNormalToWorldNormal(Tuple4 normal)
{
if (inverseTransposeTransformation != null)
{
normal = MatrixOperations.Geometry3D.Transform(inverseTransposeTransformation, normal);
if (normal.W != 0.0)
{
normal = Tuple4.Vector(normal.X, normal.Y, normal.Z);
}
}
normal = Tuple4.Normalize(normal);
if (Parent != null)
{
normal = Parent.TransformObjectNormalToWorldNormal(normal);
}
return(normal);
}
public void Then_triangle_e2(string id, double x, double y, double z)
{
Assert.Equal(Tuple4.Vector(x, y, z), figure[id].E2);
}
protected override Tuple4 GetBaseNormal(IFigure figure, Tuple4 pointOnSurface, double u, double v)
{
return(Tuple4.Vector(pointOnSurface.X, pointOnSurface.Y, pointOnSurface.Z));
}
public void When_normal_to_world(string a, string s, double t1, double t2, double t3)
{
tuple[a] = ((BaseFigure)figure[s]).TransformObjectNormalToWorldNormal(Tuple4.Vector(t1, t2, t3));
}
public void Then_saved_ray_direction(string a, double t1, double t2, double t3)
{
Assert.Equal(Tuple4.Vector(t1, t2, t3), ((TestFigure)figure[a]).SavedRay.dir);
}
public void Then_vector(string a, double t1, double t2, double t3)
{
Assert.Equal(Tuple4.Vector(t1, t2, t3), tuple[a]);
}
public void Then_color(string id, double r, double g, double b)
{
var c = colors[id];
Assert.Equal(Tuple4.Vector(r, g, b), c);
}
public void Then_hit_reflectv(double x, double y, double z)
{
Assert.Equal(Tuple4.Vector(x, y, z), hit[ComputationsId].ReflectionVector);
}
public void Given_ray(string id,
double p1, double p2, double p3,
double v1, double v2, double v3)
{
ray[id] = new Ray(Tuple4.Point(p1, p2, p3), Tuple4.Vector(v1, v2, v3));
}
public void Normalize_vector(string id, double t1, double t2, double t3)
{
tuple.Add(id, Tuple4.Normalize(Tuple4.Vector(t1, t2, t3)));
}
public void Then_parser_normal(string id, int i, double x, double y, double z)
{
Assert.Equal(Tuple4.Vector(x, y, z), parser[id].Normals[i - 1]);
}
public void Then_hit_eyev(double x, double y, double z)
{
Assert.Equal(Tuple4.Vector(x, y, z), hit[ComputationsId].SurfaceNormal);
}
private Tuple4 ReadNormal(string[] parts)
{
return(Tuple4.Vector(ReadDouble(parts[1]), ReadDouble(parts[2]), ReadDouble(parts[3])));
}
public void Vector_id(string id, double t1, double t2, double t3)
{
tuple[id] = Tuple4.Vector(t1, t2, t3);
}
public void Then_pattern_at_color(string id, double x, double y, double z, double r, double g, double b)
{
Assert.Equal(Tuple4.Vector(r, g, b), patterns[id].GetColor(Tuple4.Point(x, y, z)));
}