public void MirrorTests()
{
{
Box leftBox = new Box(10, 20, 30, "leftBox", createCentered: false);
CsgObject rightBox = new Box(11, 21, 31, "rightBox", createCentered: false);
rightBox = new Align(rightBox, Face.Left, leftBox, Face.Right);
CsgObject union = new Union(leftBox, rightBox);
Assert.IsTrue(union.XSize == 21, "Correct XSize");
AxisAlignedBoundingBox unionBounds = union.GetAxisAlignedBoundingBox();
Assert.IsTrue(unionBounds.minXYZ == new Vector3(), "MinXYZ at 0");
Assert.IsTrue(union.GetAxisAlignedBoundingBox().maxXYZ == new Vector3(21, 21, 31), "MaxXYZ correct");
}
{
Box leftBox = new Box(10, 20, 30, "leftBox", createCentered: false);
CsgObject rightBox = leftBox.NewMirrorAccrossX(name: "rightBox");
rightBox = new Align(rightBox, Face.Left, leftBox, Face.Right);
CsgObject union = new Union(leftBox, rightBox);
Assert.IsTrue(union.XSize == 20, "Correct XSize");
AxisAlignedBoundingBox unionBounds = union.GetAxisAlignedBoundingBox();
Assert.IsTrue(unionBounds.minXYZ == new Vector3(), "MinXYZ at 0");
Assert.IsTrue(union.GetAxisAlignedBoundingBox().maxXYZ == new Vector3(20, 20, 30), "MaxXYZ correct");
}
{
Box frontBox = new Box(10, 20, 30, createCentered: false);
CsgObject backBox = frontBox.NewMirrorAccrossY();
backBox = new Align(backBox, Face.Front, frontBox, Face.Back);
CsgObject union = new Union(frontBox, backBox);
Assert.IsTrue(union.YSize == 40, "Correct YSize");
AxisAlignedBoundingBox unionBounds = union.GetAxisAlignedBoundingBox();
Assert.IsTrue(unionBounds.minXYZ == new Vector3(), "MinXYZ at 0");
Assert.IsTrue(union.GetAxisAlignedBoundingBox().maxXYZ == new Vector3(10, 40, 30), "MaxXYZ correct");
}
}
public static CsgObject CreateNegativeBevel(double innerRadius, double outerRadius, double height, Alignment alignment = Alignment.z, double extraDimension = defaultExtraRadialDimension, string name = "")
{
double width = outerRadius - innerRadius;
List<Vector2> points = new List<Vector2>();
int numCurvePoints = 6;
for (int curvePoint = 0; curvePoint <= numCurvePoints; curvePoint++)
{
double x = width - Math.Cos((MathHelper.Tau / 4 * curvePoint / numCurvePoints)) * width;
double y = height - Math.Sin((MathHelper.Tau / 4 * curvePoint / numCurvePoints)) * height;
points.Add(new Vector2(x, y));
}
points.Add(new Vector2(width, 0));
points.Add(new Vector2(width, height));
CsgObject bevel = new RotateExtrude(points.ToArray(), innerRadius, alignment, name);
points.Clear();
points.Add(new Vector2(0, -extraDimension));
points.Add(new Vector2(width + extraDimension, -extraDimension));
points.Add(new Vector2(width + extraDimension, height + extraDimension));
points.Add(new Vector2(0, height + extraDimension));
CsgObject cut = new RotateExtrude(points.ToArray(), innerRadius, alignment, name);
cut = new Align(cut, Face.Bottom, bevel, Face.Bottom, 0, 0, .1);
//return cut;
bevel = cut - bevel;
return bevel;
}
public static CsgObject CreateFillet(CsgObject objectA, Face faceA, CsgObject objectB, Face faceB, double radius, double extraDimension = defaultExtraDimension)
{
int centralAxis = 0; // we start defaulted to x
switch ((Edge)(faceA | faceB))
{
case Edge.LeftTop:
case Edge.LeftBottom:
case Edge.RightTop:
case Edge.RightBottom:
centralAxis = 1; // y axis
break;
case Edge.LeftFront:
case Edge.LeftBack:
case Edge.RightFront:
case Edge.RightBack:
centralAxis = 2; // z axis
break;
}
AxisAlignedBoundingBox boundsA = objectA.GetAxisAlignedBoundingBox();
AxisAlignedBoundingBox boundsB = objectB.GetAxisAlignedBoundingBox();
double maxMin = Math.Max(boundsA.minXYZ[centralAxis], boundsB.minXYZ[centralAxis]);
double minMax = Math.Min(boundsA.maxXYZ[centralAxis], boundsB.maxXYZ[centralAxis]);
if (maxMin >= minMax)
{
throw new ArgumentException("Your two objects must overlap to have a fillet be created.");
}
Vector3 size = new Vector3(radius, radius, radius);
size[centralAxis] = minMax - maxMin;
Round newFilletRound = new Round(size);
Face faceToGetBevelFor = CsgObject.GetOposite(faceA) | CsgObject.GetOposite(faceB);
newFilletRound.RoundEdge((Edge)faceToGetBevelFor, radius, extraDimension);
CsgObject newFillet = new SetCenter(newFilletRound, objectA.GetCenter());
newFillet = new Align(newFillet, CsgObject.GetOposite(faceA), objectA, faceA);
newFillet = new Align(newFillet, CsgObject.GetOposite(faceB), objectB, faceB);
return newFillet;
}
public void RoundPoint(Face threeFacesThatSharePoint, double radius, double extraDimension = defaultExtraDimension)
{
if (roundedPoints.ContainsKey(threeFacesThatSharePoint))
{
return;
}
double radiusBoxSize = radius + extraDimension;
switch (threeFacesThatSharePoint)
{
case Face.Left | Face.Front | Face.Bottom:
{
RoundEdge(Edge.LeftFront, radius, extraDimension);
RoundEdge(Edge.LeftBottom, radius, extraDimension);
RoundEdge(Edge.FrontBottom, radius, extraDimension);
CsgObject pointRound = new Box(radiusBoxSize, radiusBoxSize, radiusBoxSize, "box");
CsgObject pointCut = new Sphere(radius, "sphere");
pointCut = new Align(pointCut, threeFacesThatSharePoint, pointRound, threeFacesThatSharePoint, extraDimension, extraDimension, extraDimension);
pointRound -= pointCut;
pointRound = new Align(pointRound, threeFacesThatSharePoint, GetEdgeOffset(threeFacesThatSharePoint), -extraDimension, -extraDimension, -extraDimension);
root += pointRound;
}
break;
case Face.Left | Face.Front | Face.Top:
{
RoundEdge(Edge.LeftFront, radius, extraDimension);
RoundEdge(Edge.LeftTop, radius, extraDimension);
RoundEdge(Edge.FrontTop, radius, extraDimension);
CsgObject pointRound = new Box(radiusBoxSize, radiusBoxSize, radiusBoxSize, "box");
CsgObject pointCut = new Sphere(radius, "sphere");
pointCut = new Align(pointCut, threeFacesThatSharePoint, pointRound, threeFacesThatSharePoint, extraDimension, extraDimension, -extraDimension);
pointRound -= pointCut;
pointRound = new Align(pointRound, threeFacesThatSharePoint, GetEdgeOffset(threeFacesThatSharePoint), -extraDimension, -extraDimension, extraDimension);
root += pointRound;
}
break;
case Face.Left | Face.Back | Face.Bottom:
{
RoundEdge(Edge.LeftBack, radius, extraDimension);
RoundEdge(Edge.LeftBottom, radius, extraDimension);
RoundEdge(Edge.BackBottom, radius, extraDimension);
CsgObject pointRound = new Box(radiusBoxSize, radiusBoxSize, radiusBoxSize, "box");
CsgObject pointCut = new Sphere(radius, "sphere");
pointCut = new Align(pointCut, threeFacesThatSharePoint, pointRound, threeFacesThatSharePoint, extraDimension, -extraDimension, extraDimension);
pointRound -= pointCut;
pointRound = new Align(pointRound, threeFacesThatSharePoint, GetEdgeOffset(threeFacesThatSharePoint), -extraDimension, extraDimension, -extraDimension);
root += pointRound;
}
break;
case Face.Left | Face.Back | Face.Top:
{
RoundEdge(Edge.LeftBack, radius, extraDimension);
RoundEdge(Edge.LeftTop, radius, extraDimension);
RoundEdge(Edge.BackTop, radius, extraDimension);
CsgObject pointRound = new Box(radiusBoxSize, radiusBoxSize, radiusBoxSize, "box");
CsgObject pointCut = new Sphere(radius, "sphere");
pointCut = new Align(pointCut, threeFacesThatSharePoint, pointRound, threeFacesThatSharePoint, extraDimension, -extraDimension, -extraDimension);
pointRound -= pointCut;
pointRound = new Align(pointRound, threeFacesThatSharePoint, GetEdgeOffset(threeFacesThatSharePoint), -extraDimension, extraDimension, extraDimension);
root += pointRound;
}
break;
case Face.Right | Face.Front | Face.Bottom:
{
RoundEdge(Edge.RightFront, radius, extraDimension);
RoundEdge(Edge.RightBottom, radius, extraDimension);
RoundEdge(Edge.FrontBottom, radius, extraDimension);
CsgObject pointRound = new Box(radiusBoxSize, radiusBoxSize, radiusBoxSize, "box");
CsgObject pointCut = new Sphere(radius, "sphere");
pointCut = new Align(pointCut, threeFacesThatSharePoint, pointRound, threeFacesThatSharePoint, -extraDimension, extraDimension, extraDimension);
pointRound -= pointCut;
pointRound = new Align(pointRound, threeFacesThatSharePoint, GetEdgeOffset(threeFacesThatSharePoint), extraDimension, -extraDimension, -extraDimension);
root += pointRound;
}
break;
case Face.Right | Face.Front | Face.Top:
{
RoundEdge(Edge.RightFront, radius, extraDimension);
RoundEdge(Edge.RightTop, radius, extraDimension);
RoundEdge(Edge.FrontTop, radius, extraDimension);
CsgObject pointRound = new Box(radiusBoxSize, radiusBoxSize, radiusBoxSize, "box");
CsgObject pointCut = new Sphere(radius, "sphere");
pointCut = new Align(pointCut, threeFacesThatSharePoint, pointRound, threeFacesThatSharePoint, -extraDimension, extraDimension, -extraDimension);
pointRound -= pointCut;
pointRound = new Align(pointRound, threeFacesThatSharePoint, GetEdgeOffset(threeFacesThatSharePoint), extraDimension, -extraDimension, extraDimension);
root += pointRound;
}
break;
case Face.Right | Face.Back | Face.Bottom:
{
RoundEdge(Edge.RightBack, radius, extraDimension);
RoundEdge(Edge.RightBottom, radius, extraDimension);
RoundEdge(Edge.BackBottom, radius, extraDimension);
CsgObject pointRound = new Box(radiusBoxSize, radiusBoxSize, radiusBoxSize, "box");
CsgObject pointCut = new Sphere(radius, "sphere");
pointCut = new Align(pointCut, threeFacesThatSharePoint, pointRound, threeFacesThatSharePoint, -extraDimension, -extraDimension, extraDimension);
pointRound -= pointCut;
pointRound = new Align(pointRound, threeFacesThatSharePoint, GetEdgeOffset(threeFacesThatSharePoint), extraDimension, extraDimension, -extraDimension);
root += pointRound;
}
break;
case Face.Right | Face.Back | Face.Top:
{
RoundEdge(Edge.RightBack, radius, extraDimension);
RoundEdge(Edge.RightTop, radius, extraDimension);
RoundEdge(Edge.BackTop, radius, extraDimension);
CsgObject pointRound = new Box(radiusBoxSize, radiusBoxSize, radiusBoxSize, "box");
CsgObject pointCut = new Sphere(radius, "sphere");
pointCut = new Align(pointCut, threeFacesThatSharePoint, pointRound, threeFacesThatSharePoint, -extraDimension, -extraDimension, -extraDimension);
pointRound -= pointCut;
pointRound = new Align(pointRound, threeFacesThatSharePoint, GetEdgeOffset(threeFacesThatSharePoint), extraDimension, extraDimension, extraDimension);
root += pointRound;
}
break;
default:
throw new NotImplementedException("Don't know how to round " + threeFacesThatSharePoint.ToString());
}
if (!roundedPoints.ContainsKey(threeFacesThatSharePoint))
{
roundedPoints.Add(threeFacesThatSharePoint, radius);
}
}
public void RoundEdge(Edge edgeToRound, double radius, double extraDimension = defaultExtraDimension)
{
if (roundedEdges.ContainsKey(edgeToRound))
{
return;
}
CsgObject newRound = null;
double radiusBoxSize = radius + extraDimension;
switch (edgeToRound)
{
case Edge.LeftFront:
{
double zSize = size.z + 2 * extraDimension;
newRound = new Box(radiusBoxSize, radiusBoxSize, zSize);
CsgObject frontTopCut = new Cylinder(radius, zSize + extraDimension * 2, Alignment.z);
frontTopCut = new Align(frontTopCut, Face.Left | Face.Front, newRound, Face.Left | Face.Front, extraDimension, extraDimension, 0);
newRound -= frontTopCut;
newRound = new Align(newRound, Face.Left | Face.Front, GetEdgeOffset(Face.Left | Face.Front), -extraDimension, -extraDimension, 0);
}
break;
case Edge.LeftBack:
{
double zSize = size.z + 2 * extraDimension;
newRound = new Box(radiusBoxSize, radiusBoxSize, zSize);
CsgObject BackTopCut = new Cylinder(radius, zSize + extraDimension * 2, Alignment.z);
BackTopCut = new Align(BackTopCut, Face.Left | Face.Back, newRound, Face.Left | Face.Back, extraDimension, -extraDimension, 0);
newRound -= BackTopCut;
newRound = new Align(newRound, Face.Left | Face.Back, GetEdgeOffset(Face.Left | Face.Back), -extraDimension, extraDimension, 0);
}
break;
case Edge.LeftTop:
{
double ySize = size.y + 2 * extraDimension;
newRound = new Box(radiusBoxSize, ySize, radiusBoxSize);
CsgObject frontTopCut = new Cylinder(radius, ySize + extraDimension * 2, Alignment.y);
frontTopCut = new Align(frontTopCut, Face.Left | Face.Top, newRound, Face.Left | Face.Top, extraDimension, 0, -extraDimension);
newRound -= frontTopCut;
newRound = new Align(newRound, Face.Left | Face.Top, GetEdgeOffset(Face.Left | Face.Top), -extraDimension, 0, extraDimension);
}
break;
case Edge.LeftBottom:
{
double ySize = size.y + 2 * extraDimension;
newRound = new Box(radiusBoxSize, ySize, radiusBoxSize);
CsgObject frontTopCut = new Cylinder(radius, ySize + extraDimension * 2, Alignment.y);
frontTopCut = new Align(frontTopCut, Face.Left | Face.Bottom, newRound, Face.Left | Face.Bottom, extraDimension, 0, extraDimension);
newRound -= frontTopCut;
newRound = new Align(newRound, Face.Left | Face.Bottom, GetEdgeOffset(Face.Left | Face.Bottom), -extraDimension, 0, -extraDimension);
}
break;
case Edge.RightFront:
{
double zSize = size.z + 2 * extraDimension;
newRound = new Box(radiusBoxSize, radiusBoxSize, zSize);
CsgObject frontTopCut = new Cylinder(radius, zSize + extraDimension * 2, Alignment.z);
frontTopCut = new Align(frontTopCut, Face.Right | Face.Front, newRound, Face.Right | Face.Front, -extraDimension, extraDimension, 0);
newRound -= frontTopCut;
newRound = new Align(newRound, Face.Right | Face.Front, GetEdgeOffset(Face.Right | Face.Front), extraDimension, -extraDimension, 0);
}
break;
case Edge.RightTop:
{
double ySize = size.y + 2 * extraDimension;
newRound = new Box(radiusBoxSize, ySize, radiusBoxSize);
CsgObject frontTopCut = new Cylinder(radius, ySize + extraDimension * 2, Alignment.y);
frontTopCut = new Align(frontTopCut, Face.Right | Face.Top, newRound, Face.Right | Face.Top, -extraDimension, 0, -extraDimension);
newRound -= frontTopCut;
newRound = new Align(newRound, Face.Right | Face.Top, GetEdgeOffset(Face.Right | Face.Top), extraDimension, 0, extraDimension);
}
break;
case Edge.RightBottom:
{
double ySize = size.y + 2 * extraDimension;
newRound = new Box(radiusBoxSize, ySize, radiusBoxSize);
CsgObject frontBottomCut = new Cylinder(radius, ySize + extraDimension * 2, Alignment.y);
frontBottomCut = new Align(frontBottomCut, Face.Right | Face.Bottom, newRound, Face.Right | Face.Bottom, -extraDimension, 0, extraDimension);
newRound -= frontBottomCut;
newRound = new Align(newRound, Face.Right | Face.Bottom, GetEdgeOffset(Face.Right | Face.Bottom), extraDimension, 0, -extraDimension);
}
break;
case Edge.RightBack:
{
double zSize = size.z + 2 * extraDimension;
newRound = new Box(radiusBoxSize, radiusBoxSize, zSize);
CsgObject BackTopCut = new Cylinder(radius, zSize + extraDimension * 2, Alignment.z);
BackTopCut = new Align(BackTopCut, Face.Right | Face.Back, newRound, Face.Right | Face.Back, -extraDimension, -extraDimension, 0);
newRound -= BackTopCut;
newRound = new Align(newRound, Face.Right | Face.Back, GetEdgeOffset(Face.Right | Face.Back), extraDimension, extraDimension, 0);
}
break;
case Edge.FrontTop:
{
double xSize = size.x + 2 * extraDimension;
newRound = new Box(xSize, radiusBoxSize, radiusBoxSize);
CsgObject frontTopCut = new Cylinder(radius, xSize + extraDimension * 2, Alignment.x);
frontTopCut = new Align(frontTopCut, Face.Front | Face.Top, newRound, Face.Front | Face.Top, 0, extraDimension, -extraDimension);
newRound -= frontTopCut;
newRound = new Align(newRound, Face.Front | Face.Top, GetEdgeOffset(Face.Front | Face.Top), 0, -extraDimension, extraDimension);
}
break;
case Edge.FrontBottom:
{
double xSize = size.x + 2 * extraDimension;
newRound = new Box(xSize, radiusBoxSize, radiusBoxSize);
CsgObject frontTopCut = new Cylinder(radius, xSize + extraDimension * 2, Alignment.x);
frontTopCut = new Align(frontTopCut, Face.Front | Face.Bottom, newRound, Face.Front | Face.Bottom, 0, extraDimension, extraDimension);
newRound -= frontTopCut;
newRound = new Align(newRound, Face.Front | Face.Bottom, GetEdgeOffset(Face.Front | Face.Bottom), 0, -extraDimension, -extraDimension);
}
break;
case Edge.BackBottom:
{
double xSize = size.x + 2 * extraDimension;
newRound = new Box(xSize, radiusBoxSize, radiusBoxSize);
CsgObject backBottomCut = new Cylinder(radius, xSize + extraDimension * 2, Alignment.x);
backBottomCut = new Align(backBottomCut, Face.Back | Face.Bottom, newRound, Face.Back | Face.Bottom, 0, -extraDimension, extraDimension);
newRound -= backBottomCut;
newRound = new Align(newRound, Face.Back | Face.Bottom, GetEdgeOffset(Face.Back | Face.Bottom), 0, extraDimension, -extraDimension);
}
break;
case Edge.BackTop:
{
double xSize = size.x + 2 * extraDimension;
newRound = new Box(xSize, radiusBoxSize, radiusBoxSize);
CsgObject backTopCut = new Cylinder(radius, xSize + extraDimension * 2, Alignment.x);
backTopCut = new Align(backTopCut, Face.Back | Face.Top, newRound, Face.Back | Face.Top, 0, -extraDimension, -extraDimension);
newRound -= backTopCut;
newRound = new Align(newRound, Face.Back | Face.Top, GetEdgeOffset(Face.Back | Face.Top), 0, extraDimension, extraDimension);
}
break;
default:
throw new NotImplementedException("Don't know how to round " + edgeToRound.ToString());
}
if (root is Box)
{
root = newRound;
}
else
{
root += newRound;
}
roundedEdges.Add(edgeToRound, radius);
CheckCornersAndRoundIfNeeded(extraDimension);
}
public void BevelAll(double radius)
{
Round roundToApply = new Round(Size);
roundToApply.RoundAll(radius);
CsgObject offsetRoundToApply = new Align(roundToApply, Face.Left | Face.Front | Face.Bottom, root, Face.Left | Face.Front | Face.Bottom);
root -= offsetRoundToApply;
}
public void BevelEdge(Edge edgeToBevel, double radius)
{
Round roundToApply = new Round(Size);
roundToApply.RoundEdge(edgeToBevel, radius);
CsgObject offsetRoundToApply = new Align(roundToApply, Face.Left | Face.Front | Face.Bottom, root, Face.Left | Face.Front | Face.Bottom);
root -= offsetRoundToApply;
}
/// <summary>
/// Bevel a give edge. The edge is chosen by saying which 2 faces are to be used,
/// and or-ing them together
/// </summary>
/// <param name="facesThatShareEdge">The two faces or-ed together with |</param>
/// <param name="radius">The radius of the bevel</param>
public void BevelEdge(Face facesThatShareEdge, double radius)
{
Round roundToApply = new Round(Size);
roundToApply.RoundEdge((Edge)facesThatShareEdge, radius);
CsgObject offsetRoundToApply = new Align(roundToApply, Face.Left | Face.Front | Face.Bottom, root, Face.Left | Face.Front | Face.Bottom);
root -= offsetRoundToApply;
}
