public void Mirror_SingleAxisMirrorInvertsBounds()
{
OSCADObject cube = new Cube(5, 10, 20);
var boundsBefore = cube.Bounds();
cube = cube.Mirror(0, 1, 0);
Assert.AreEqual(cube.Bounds().YMax, boundsBefore.YMin);
}
public void Resize_ResizeScalesBoundariesToFit()
{
var obj = new Cube(20, 20, 10).Resize(5, 5, 5);
var bounds = obj.Bounds();
Assert.AreEqual(new Vector3(5, 5, 5), bounds.TopRight);
Assert.AreEqual(new Vector3(0, 0, 0), bounds.BottomLeft);
}
public void Translate_BoundsMoveWhenObjectIsTranslated()
{
var cube = new Cube();
var boundsBefore = cube.Bounds();
var boundsAfter = cube.Translate(5, 2, 3).Bounds();
Assert.AreEqual(boundsAfter.TopRight, boundsBefore.TopRight + new Vector3(5, 2, 3));
Assert.AreEqual(boundsAfter.BottomLeft, boundsBefore.BottomLeft + new Vector3(5, 2, 3));
}
public void Scale_BoundsScaleWithObject()
{
var obj = new Cube(5, 5, 5).Scale(2, 2, 3);
var bounds = obj.Bounds();
Assert.AreEqual(bounds.XMax, 10);
Assert.AreEqual(bounds.YMax, 10);
Assert.AreEqual(bounds.ZMax, 15);
Assert.AreEqual(bounds.XMin, 0);
Assert.AreEqual(bounds.YMin, 0);
Assert.AreEqual(bounds.ZMin, 0);
}
public void Union_BoundsForUnionedObjectsBecomeExtremitiesOfBoth()
{
var obj = new Cube(5, 10, 20) + new Sphere(10).Translate(-10, 5, 0);
var bounds = obj.Bounds();
Assert.AreEqual(20, bounds.ZMax);
Assert.AreEqual(10, bounds.YMax);
Assert.AreEqual(5, bounds.XMax);
Assert.AreEqual(-5, bounds.ZMin);
Assert.AreEqual(0, bounds.YMin);
Assert.AreEqual(-15, bounds.XMin);
}
private static OSCADObject makeStandCap()
{
OSCADObject center = new Cube(Inches.One - Inches.Sixteenth, Inches.Half - Inches.Sixteenth, Inches.Quarter, true);
OSCADObject outerColumn = new Cylinder(Inches.One, Inches.One, true).Resize(Inches.One * 1.5, Inches.Half * 1.5, Inches.One);
var bnds = center.Bounds();
OSCADObject top = new Cylinder(Inches.One, Inches.One, true)
.Resize(Inches.One * 2.25, Inches.Half * 2.25, Inches.Quarter);
OSCADObject cutout = new Cylinder(Inches.One, Inches.One, true)
.Resize(Inches.One * 2.1, Inches.Half * 2.1, Inches.Quarter);
top = top - cutout.Translate(0, 0, Inches.Quarter/2);
OSCADObject brim = top.Clone();
var obj = center + top.Translate(0, 0, bnds.Height / 2 + Inches.Sixteenth / 2);
return obj;
}
private void markVisited(ref bool[,] visited, Cube cube, Point start)
{
var bounds = cube.Bounds();
for (int x = start.X; x < start.X + bounds.Length && x < this.width; x++)
{
for (int y = start.Y; y < start.Y + bounds.Width && y <this.height; y++)
{
visited[x, y] = true;
}
}
}
private TraversalDirection traversePixels(ref Point start, bool[,] visited, Color color, Cube cube)
{
var direction = TraversalDirection.Bidirectional;
var bounds = cube.Bounds();
//Bidirectional
visited[start.X, start.Y] = true;
Point next = new Point(start.X + 1, start.Y + 1);
if (next.X >= this.width || next.Y >= this.height)
{
direction = TraversalDirection.None;
}
else
{
if(pixelCanBeTraversed(ref visited, next, color))
{
visited[next.X, next.Y] = true;
cube.Size.X += 1;
cube.Size.Y += 1;
}
else
{
direction = TraversalDirection.None;
}
}
if (direction != TraversalDirection.None)
return direction;
//X-axis
direction = TraversalDirection.X_Only;
next.Y = start.Y;
if (next.X >= this.width || next.Y >= this.height)
{
direction = TraversalDirection.None;
}
else
{
if (pixelCanBeTraversed(ref visited, next, color))
{
visited[next.X, next.Y] = true;
cube.Size.X += 1;
}
else
{
direction = TraversalDirection.None;
}
}
if (direction != TraversalDirection.None)
return direction;
//Y-Axis
direction = TraversalDirection.Y_Only;
next.X = start.X;
next.Y = start.Y + 1;
if (next.X >= this.width || next.Y >= this.height)
{
direction = TraversalDirection.None;
}
else
{
if (pixelCanBeTraversed(ref visited, next, color))
{
visited[next.X, next.Y] = true;
cube.Size.Y += 1;
}
else
{
direction = TraversalDirection.None;
}
}
return direction;
}
public void Cube_BoundsAreInExpectedPositionNotCentered()
{
var obj = new Cube(5, 5, 20, false);
Assert.AreEqual(new Vector3(5, 5, 20), obj.Bounds().TopRight);
Assert.AreEqual(new Vector3(), obj.Bounds().BottomLeft);
}
public void Cube_BoundsAreInExpectedPositionCentered()
{
var obj = new Cube(5, 5, 20, true);
Assert.AreEqual(new Vector3(2.5, 2.5, 10), obj.Bounds().TopRight);
Assert.AreEqual(new Vector3(-2.5, -2.5, -10), obj.Bounds().BottomLeft);
}