public void ComputingTheNormalVectorOnCone()
{
var shape = new Cone();
var cases = new[]
{
new
{
point = Vector4.CreatePosition(0, 0, 0),
normal = Vector4.CreateDirection(0, 0, 0),
},
new
{
point = Vector4.CreatePosition(1, 1, 1),
normal = Vector4.CreateDirection(1, -Math.Sqrt(2), 1),
},
new
{
point = Vector4.CreatePosition(-1, -1, 0),
normal = Vector4.CreateDirection(-1, 1, 0),
}
};
foreach (var c in cases)
{
var n = shape.GetLocalNormal(c.point);
Assert.Equal(c.normal, n);
}
}