public void SubdividingGroupWithTooFewChildren()
{
var s1 = new shape.Sphere(transform.Translation(-2, 0, 0));
var s2 = new shape.Sphere(transform.Translation(2, 1, 0));
var s3 = new shape.Sphere(transform.Translation(2, -1, 4));
var subgroup = new shape.Group(new List <shape.Shape>()
{
s1, s2, s3
});
var s4 = new shape.Sphere();
var g = new shape.Group(new List <shape.Shape>()
{
subgroup, s4
});
g.Divide(3);
Assert.Equal(subgroup, g[0]);
Assert.Equal(s4, g[1]);
var sg = (g[0] as shape.Group);
Assert.Equal(2, sg.Count());
Assert.IsType <shape.Group>(sg[0]);
Assert.Single((sg[0] as shape.Group).Children);
Assert.Equal(s1, (sg[0] as shape.Group)[0]);
Assert.IsType <shape.Group>(sg[1]);
Assert.Equal(2, (sg[1] as shape.Group).Count());
Assert.Equal(new List <shape.Shape>()
{
s2, s3
}, (sg[1] as shape.Group).Children);
}
public void SubdividingGroupPartitionsItsChildren()
{
var s1 = new shape.Sphere(transform.Translation(-2, -2, 0));
var s2 = new shape.Sphere(transform.Translation(-2, 2, 0));
var s3 = new shape.Sphere(transform.Scaling(4, 4, 4));
var g = new shape.Group(new List <shape.Shape>()
{
s1, s2, s3
});
g.Divide(1);
Assert.Equal(s3, g[0]);
var subgroup = g[1];
Assert.IsType <shape.Group>(subgroup);
var sg = subgroup as shape.Group;
Assert.Equal(2, sg.Count());
Assert.IsType <shape.Group>(sg[0]);
Assert.Single((sg[0] as shape.Group).Children);
Assert.Equal(s1, (sg[0] as shape.Group)[0]);
Assert.IsType <shape.Group>(sg[1]);
Assert.Single((sg[1] as shape.Group).Children);
Assert.Equal(s2, (sg[1] as shape.Group)[0]);
}
