public async Task AutoArrangeChildrenTests()
{
// arrange a single item around the origin
{
var scene = new InteractiveScene();
Object3D cube1;
scene.Children.Add(cube1 = new Object3D()
{
Mesh = PlatonicSolids.CreateCube(20, 20, 20),
Matrix = Matrix4X4.CreateTranslation(34, 22, 10)
});
Assert.IsTrue(new AxisAlignedBoundingBox(24, 12, 0, 44, 32, 20).Equals(cube1.GetAxisAlignedBoundingBox(), .001));
await scene.AutoArrangeChildren(Vector3.Zero);
Assert.IsTrue(new AxisAlignedBoundingBox(-10, -10, 0, 10, 10, 20).Equals(cube1.GetAxisAlignedBoundingBox(), .001));
}
// arrange a single item around a typical bed center
{
var scene = new InteractiveScene();
Object3D cube1;
scene.Children.Add(cube1 = new Object3D()
{
Mesh = PlatonicSolids.CreateCube(20, 20, 20),
Matrix = Matrix4X4.CreateTranslation(34, 22, 10)
});
Assert.IsTrue(new AxisAlignedBoundingBox(24, 12, 0, 44, 32, 20).Equals(cube1.GetAxisAlignedBoundingBox(), .001));
await scene.AutoArrangeChildren(new Vector3(100, 100, 0));
Assert.IsTrue(new AxisAlignedBoundingBox(90, 90, 0, 110, 110, 20).Equals(cube1.GetAxisAlignedBoundingBox(), .001));
}
// arrange 4 items
{
var scene = new InteractiveScene();
for (int i = 0; i < 4; i++)
{
scene.Children.Add(new Object3D()
{
Mesh = PlatonicSolids.CreateCube(20, 20, 20),
Matrix = Matrix4X4.CreateTranslation(i * 134, i * -122, 10)
});
}
var sceneAabb = scene.GetAxisAlignedBoundingBox();
Assert.Greater(sceneAabb.XSize, 160);
Assert.Greater(sceneAabb.YSize, 160);
await scene.AutoArrangeChildren(Vector3.Zero);
sceneAabb = scene.GetAxisAlignedBoundingBox();
Assert.Less(sceneAabb.XSize, 60);
Assert.Less(sceneAabb.YSize, 75);
}
// arrange 4 items, starting with 1 selected
{
var scene = new InteractiveScene();
Object3D child = null;
for (int i = 0; i < 4; i++)
{
scene.Children.Add(child = new Object3D()
{
Mesh = PlatonicSolids.CreateCube(20, 20, 20),
Matrix = Matrix4X4.CreateTranslation(i * 134, i * -122, 10)
});
}
scene.SelectedItem = child;
var sceneAabb = scene.GetAxisAlignedBoundingBox();
Assert.Greater(sceneAabb.XSize, 160);
Assert.Greater(sceneAabb.YSize, 160);
await scene.AutoArrangeChildren(Vector3.Zero);
sceneAabb = scene.GetAxisAlignedBoundingBox();
Assert.Less(sceneAabb.XSize, 60);
Assert.Less(sceneAabb.YSize, 75);
}
}