public async Task RotateMaintainsCorrectAabb()
{
{
// create a simple cube with translation
var root = new Object3D();
var cube = await CubeObject3D.Create(20, 20, 20);
cube.Matrix = Matrix4X4.CreateTranslation(50, 60, 10);
root.Children.Add(cube);
Assert.AreEqual(2, root.DescendantsAndSelf().Count());
var preRotateAabb = root.GetAxisAlignedBoundingBox();
// add a rotate to it (that is not rotated)
var rotateObject = new RotateObject3D_2(cube);
// ensure that the object did not move
Assert.IsTrue(rotateObject.RotateAbout.Origin.Equals(new Vector3(50, 60, 10)));
Assert.AreEqual(4, root.DescendantsAndSelf().Count());
var postRotateAabb = root.GetAxisAlignedBoundingBox();
Assert.IsTrue(preRotateAabb.Equals(postRotateAabb, .001));
Assert.AreEqual(cube, rotateObject.UntransformedChildren.First(), "There is no undo buffer, there should not have been a clone");
}
}
public void ScaleAndRotateMantainsCorrectAabb()
{
{
// create a simple cube with translation
var root = new Object3D();
var cube = CubeObject3D.Create(20, 20, 20);
cube.Matrix = Matrix4X4.CreateTranslation(50, 60, 10);
root.Children.Add(cube);
Assert.AreEqual(2, root.DescendantsAndSelf().Count());
var preScaleAabb = root.GetAxisAlignedBoundingBox();
// add a scale to it (that is not scaled)
var scaleObject = new ScaleObject3D(cube);
// ensure that the object did not move
Assert.IsTrue(scaleObject.ScaleAbout.Equals(Vector3.Zero), "The objects have been moved to be scalling about 0.");
Assert.AreEqual(4, root.DescendantsAndSelf().Count());
var postScaleAabb = root.GetAxisAlignedBoundingBox();
Assert.IsTrue(preScaleAabb.Equals(postScaleAabb, .001));
Assert.AreEqual(cube, scaleObject.UntransformedChildren.First(), "There is no undo buffer, there should not have been a clone");
var rotateScaleObject = new RotateObject3D_2(cube);
// ensure that the object did not move
Assert.AreEqual(6, root.DescendantsAndSelf().Count());
var postRotateScaleAabb = root.GetAxisAlignedBoundingBox();
Assert.IsTrue(preScaleAabb.Equals(postRotateScaleAabb, .001));
Assert.AreEqual(cube, rotateScaleObject.UntransformedChildren.First(), "There is no undo buffer, there should not have been a clone");
}
}
public async Task ScaleObjectMaintainsCorrectAabb()
{
// build cube with scale and undo
{
// create a simple cube with translation
var root = new Object3D();
var cube = await CubeObject3D.Create(20, 20, 20);
cube.Matrix = Matrix4X4.CreateTranslation(50, 60, 10);
root.Children.Add(cube);
Assert.AreEqual(2, root.DescendantsAndSelf().Count());
var preScaleAabb = root.GetAxisAlignedBoundingBox();
var undoBuffer = new UndoBuffer();
// add a scale to it (that is not scaled)
var scaleObject = new ScaleObject3D();
scaleObject.WrapItems(new IObject3D[] { cube }, undoBuffer);
// ensure that the object did not move
Assert.IsTrue(scaleObject.ScaleAbout.Equals(Vector3.Zero), "The objects have been moved to be scalling about 0.");
Assert.AreEqual(4, root.DescendantsAndSelf().Count());
var postScaleAabb = root.GetAxisAlignedBoundingBox();
Assert.IsTrue(preScaleAabb.Equals(postScaleAabb, .001));
Assert.AreNotEqual(cube, scaleObject.UntransformedChildren.First(), "There is an undo buffer, there should have been a clone");
}
// build cube with scale
{
// create a simple cube with translation
var root = new Object3D();
var cube = await CubeObject3D.Create(20, 20, 20);
cube.Matrix = Matrix4X4.CreateTranslation(50, 60, 10);
root.Children.Add(cube);
Assert.AreEqual(2, root.DescendantsAndSelf().Count());
var preScaleAabb = root.GetAxisAlignedBoundingBox();
// add a scale to it (that is not scaled)
var scaleObject = new ScaleObject3D(cube);
// ensure that the object did not move
Assert.IsTrue(scaleObject.ScaleAbout.Equals(Vector3.Zero), "The objects have been moved to be scalling about 0.");
Assert.AreEqual(4, root.DescendantsAndSelf().Count());
var postScaleAabb = root.GetAxisAlignedBoundingBox();
Assert.IsTrue(preScaleAabb.Equals(postScaleAabb, .001));
Assert.AreEqual(cube, scaleObject.UntransformedChildren.First(), "There is no undo buffer, there should not have been a clone");
}
}