public void SubdividingACSGShapeSubdividesItsChildren()
{
var s1 = new Sphere
{
Transform = Transform.Translation(-1.5, 0, 0)
};
var s2 = new Sphere
{
Transform = Transform.Translation(1.5, 0, 0)
};
var left = Group.Of(s1, s2);
var s3 = new Sphere
{
Transform = Transform.Translation(0, 0, -1.5)
};
var s4 = new Sphere
{
Transform = Transform.Translation(0, 0, 1.5)
};
var right = Group.Of(s3, s4);
var shape = new CSG(Operation.DIFFERENCE, left, right);
shape.Divide(1);
Assert.AreEqual(Group.Of(s1), left[0]);
Assert.AreEqual(Group.Of(s2), left[1]);
Assert.AreEqual(Group.Of(s3), right[0]);
Assert.AreEqual(Group.Of(s4), right[1]);
}
public void TestCsgSubdividingChildren()
{
var left = new Group();
var s1 = new Sphere();
s1.Transform = Matrix.Translation(-1.5, 0, 0);
left.Add(s1);
var s2 = new Sphere();
s2.Transform = Matrix.Translation(1.5, 0, 0);
left.Add(s2);
var right = new Group();
var s3 = new Sphere();
s3.Transform = Matrix.Translation(0, 0, -1.5);
right.Add(s3);
var s4 = new Sphere();
s4.Transform = Matrix.Translation(0, 0, 1.5);
right.Add(s4);
var shape = new CSG(CsgOperation.Difference, left, right);
shape.Divide(1);
Group group;
group = left[0] as Group;
Assert.IsNotNull(group);
Assert.AreEqual(group[0], s1);
group = left[1] as Group;
Assert.IsNotNull(group);
Assert.AreEqual(group[0], s2);
group = right[0] as Group;
Assert.IsNotNull(group);
Assert.AreEqual(group[0], s3);
group = right[1] as Group;
Assert.IsNotNull(group);
Assert.AreEqual(group[0], s4);
}