public void SubtractionMakesClosedSolid()
{
double XOffset = -.4;
MatterHackers.Csg.CsgObject boxCombine = new MatterHackers.Csg.Solids.Box(10, 10, 10);
boxCombine -= new MatterHackers.Csg.Transform.Translate(new MatterHackers.Csg.Solids.Box(10, 10, 10), XOffset, -3, 2);
Mesh result = RenderOpenGl.CsgToMesh.Convert(boxCombine);
Assert.IsTrue(result.IsManifold());
}
/// <summary>
/// Cun along the diagonal of a give edge to the opposite edge. The edge is chosen by saying
/// which 2 faces are to be kept solid, and or-ing them together.
/// </summary>
/// <param name="facesThatShareEdge">The two faces to maintain after the cut, or-ed together with '|'.</param>
public void CutAlongDiagonal(Face facesToKeepWhole)
{
switch (facesToKeepWhole)
{
case (Face.Left | Face.Back):
{
Vector3 size = root.Size;
CsgObject boxToCutOut = new Box(Math.Sqrt(2), 1, 1.1, createCentered: false);
boxToCutOut = new Rotate(boxToCutOut, new Vector3(0, 0, MathHelper.Tau / 8));
boxToCutOut = new Translate(boxToCutOut, x: Math.Sqrt(2) / 2, y: -Math.Sqrt(2) / 2, z: -.05);
boxToCutOut = new Scale(boxToCutOut, size, name: "boxToCutOut");
root = new Difference(root, boxToCutOut);
}
break;
case (Face.Left | Face.Front):
{
Vector3 size = root.Size;
CsgObject boxToCutOut = new Box(Math.Sqrt(2), 1, 1.1, createCentered: false);
boxToCutOut = new Rotate(boxToCutOut, new Vector3(0, 0, -MathHelper.Tau / 8));
boxToCutOut = new Translate(boxToCutOut, y: 1, z: -.05);
boxToCutOut = new Scale(boxToCutOut, size, name: "boxToCutOutLeftFront");
root = new Difference(root, boxToCutOut);
}
break;
case (Face.Left | Face.Bottom):
{
Vector3 size = root.Size;
CsgObject boxToCutOut = new Box(Math.Sqrt(2), 1.1, 1, createCentered: false);
boxToCutOut = new Rotate(boxToCutOut, new Vector3(0, MathHelper.Tau / 8, 0));
boxToCutOut = new Translate(boxToCutOut, y: -.05, z: 1);
boxToCutOut = new Scale(boxToCutOut, size, name: "boxToCutOut");
root = new Difference(root, boxToCutOut);
}
break;
case (Face.Right | Face.Front):
{
Vector3 size = root.Size;
CsgObject boxToCutOut = new Box(Math.Sqrt(2), 1, 1.1, createCentered: false, name: "boxtToCutOut");
boxToCutOut = new Rotate(boxToCutOut, new Vector3(0, 0, MathHelper.Tau / 8));
boxToCutOut = new Translate(boxToCutOut, z: -.05);
boxToCutOut = new Scale(boxToCutOut, size, name: "boxToCutOutRightFront");
root = new Difference(root, boxToCutOut);
}
break;
case (Face.Right | Face.Bottom):
{
Vector3 size = root.Size;
CsgObject boxToCutOut = new Box(Math.Sqrt(2), 1.1, 1, createCentered: false, name: "boxToCutOut");
boxToCutOut = new Rotate(boxToCutOut, new Vector3(0, -MathHelper.Tau / 8, 0));
boxToCutOut = new Translate(boxToCutOut, 0, -.05, 0);
//boxToCutOut = new Translate(boxToCutOut, Math.Sqrt(2) / 2, 0, -Math.Sqrt(2) / 2);
boxToCutOut = new Scale(boxToCutOut, size, name: "boxToCutOut");
root = new Difference(root, boxToCutOut);
}
break;
case (Face.Right | Face.Top):
{
Vector3 size = root.Size;
CsgObject boxToCutOut = new Box(Math.Sqrt(2), 1.1, 1, createCentered: false, name: "boxToCutOut");
boxToCutOut = new Rotate(boxToCutOut, new Vector3(0, MathHelper.Tau / 8, 0));
boxToCutOut = new Translate(boxToCutOut, -Math.Sqrt(2) / 2, 0, 1 - Math.Sqrt(2) / 2);
boxToCutOut = new Scale(boxToCutOut, size, name: "botToCutOut");
root = new Difference(root, boxToCutOut);
}
break;
case (Face.Front | Face.Top):
{
Vector3 size = root.Size;
CsgObject boxToCutOut = new Box(1.1, Math.Sqrt(2), 1, createCentered: false, name: "boxToCutOut");
boxToCutOut = new Rotate(boxToCutOut, new Vector3(MathHelper.Tau / 8, 0, 0));
boxToCutOut = new Translate(boxToCutOut, -.05, Math.Sqrt(2) / 2, -Math.Sqrt(2) / 2);
boxToCutOut = new Scale(boxToCutOut, size);
root = new Difference(root, boxToCutOut);
}
break;
case (Face.Front | Face.Bottom):
{
Vector3 size = root.Size;
CsgObject boxToCutOut = new Box(1.1, Math.Sqrt(2), 1, createCentered: false, name: "boxToCutOut");
boxToCutOut = new Rotate(boxToCutOut, new Vector3(-MathHelper.Tau / 8, 0, 0));
boxToCutOut = new Translate(boxToCutOut, -.05, 0, 1);
boxToCutOut = new Scale(boxToCutOut, size, name: "boxtToCutOutFrontBottom");
root = new Difference(root, boxToCutOut);
}
break;
case (Face.Bottom | Face.Back):
{
Vector3 size = root.Size;
CsgObject boxToCutOut = new Box(1.1, Math.Sqrt(2), 1, createCentered: false);
boxToCutOut = new Rotate(boxToCutOut, new Vector3(MathHelper.Tau / 8, 0, 0));
boxToCutOut = new Translate(boxToCutOut, x: -.05);
boxToCutOut = new Scale(boxToCutOut, size, name: "boxToCutOut");
root = new Difference(root, boxToCutOut);
}
break;
case (Face.Back | Face.Top):
{
Vector3 size = root.Size;
CsgObject boxToCutOut = new Box(1.1, Math.Sqrt(2), 1, createCentered: false, name: "boxToCutOut");
boxToCutOut = new Rotate(boxToCutOut, new Vector3(-MathHelper.Tau / 8, 0, 0));
boxToCutOut = new Translate(boxToCutOut, x: -.05, y: -Math.Sqrt(2) / 2, z: .28); // TODO: do the right math. .28 is hacky
boxToCutOut = new Scale(boxToCutOut, size, name: "boxToCutOut");
root = new Difference(root, boxToCutOut);
}
break;
default:
throw new NotImplementedException("Just write it for this case.");
}
}
