private static CsgObject CutUpASphereHybrid()
{
Sphere mainSphere = new Sphere(GimmeABoundedDouble(_smallest, _largest));
Difference d = new Difference(mainSphere);
int howManyBumps = _rand.Next(5) + 2;
for (int i = 0; i < howManyBumps; i++)
{
Vector3 direction = GimmeADirection();
double radius = GimmeABoundedDouble(0.25, 0.75) * mainSphere.Radius;
Sphere bump = new Sphere(radius);
Translate t = new Translate(bump, mainSphere.GetCenter() + direction * mainSphere.Radius);
d.AddToSubtractList(t);
double doOpposite = GimmeABoundedDouble(0, 1);
double doOneAxis = GimmeABoundedDouble(0, 1);
double doOtherAxis = GimmeABoundedDouble(0, 1);
Vector3 orthogonalOne = CrossProduct(direction, new Vector3(direction.z, direction.x, direction.y));
Vector3 orthogonalTwo = CrossProduct(direction, orthogonalOne);
if (doOneAxis >= 0.66)
{
double diff = GimmeABoundedDouble(0, 1);
Sphere oneOne = new Sphere(radius);
Sphere oneTwo = new Sphere(radius);
Translate tOne = new Translate(oneOne, mainSphere.GetCenter() + orthogonalOne * mainSphere.Radius);
Translate tTwo = new Translate(oneOne, mainSphere.GetCenter() - orthogonalOne * mainSphere.Radius);
d.AddToSubtractList(tOne);
d.AddToSubtractList(tTwo);
}
if (doOtherAxis >= 0.66)
{
double diff = GimmeABoundedDouble(0, 1);
Sphere oneOne = new Sphere(radius);
Sphere oneTwo = new Sphere(radius);
Translate tOne = new Translate(oneOne, mainSphere.GetCenter() + orthogonalTwo * mainSphere.Radius);
Translate tTwo = new Translate(oneOne, mainSphere.GetCenter() - orthogonalTwo * mainSphere.Radius);
d.AddToSubtractList(tOne);
d.AddToSubtractList(tTwo);
}
}
return(d);
}
private static CsgObject CutUpASphereRegular()
{
Sphere s = new Sphere(GimmeABoundedDouble(100, 200));
List <Vector3> compassPoints = GimmeSphereCompassPoints(s);
Difference d = new Difference(s);
foreach (var point in compassPoints)
{
Sphere cutItOut = new Sphere(GimmeABoundedDouble(40, 90));
Translate t = new Translate(cutItOut, point);
d.AddToSubtractList(t);
}
return(d);
}
private static CsgObject CutUpASphereRandom()
{
Sphere mainSphere = new Sphere(GimmeABoundedDouble(_smallest, _largest));
Difference d = new Difference(mainSphere);
int howManyBumps = _rand.Next(20);
//size range is 0.25-0.75 of main sphere's radius
//double howMuchToUse = GimmeABoundedDouble(0.1, 1);
for (int i = 0; i < howManyBumps; i++)
{
Vector3 direction = GimmeADirection();
double radius = GimmeABoundedDouble(0.25, 0.65) * mainSphere.Radius;
Sphere bump = new Sphere(radius);
Translate t = new Translate(bump, mainSphere.GetCenter() + direction * mainSphere.Radius);
d.AddToSubtractList(t);
}
return(d);
}
private static CsgObject HollowSphereWithHoles(double radius, double thickness)
{
Sphere outer = new Sphere(radius);
Sphere inner = new Sphere(radius - thickness);
Difference d = new Difference(outer, inner);
int howManyHoles = _rand.Next(10, 30);
for (int i = 0; i < howManyHoles; i++)
{
Vector3 where = GimmeADirection();
double holeRadius = radius * 0.2 + _rand.NextDouble() * radius * 0.25;
Sphere holeSphere = new Sphere(holeRadius);
Translate t = new Translate(holeSphere, where * radius);
//Difference holeDiff = new Difference(d, t);
//d = holeDiff;
d.AddToSubtractList(t);
}
return(d);
}
//private static CsgObject AtomDiagram()
//{
//}
private static CsgObject SingleComposition()
{
//TODO: make some bounds on how crazy or tame this goes with relative sizes...IE does the main thing
//get more or less emphasis?
CsgObject returnMe = null;
Union u = new Union();
CsgObject box = new Box(new Vector3(150, 150, 150));
int whichOne = _rand.Next(2);
List <CsgObject> unions = new List <CsgObject>();
List <CsgObject> differences = new List <CsgObject>();
//TODO: Order prolly matters here? Maybe? So right now we're gonna build lists, do unions, then
//do differences. Maybe later we should do it in whatever order they happen in, or at least
//consider it...
//foreach (Vector3 corner in )
//{
//int which = _rand.Next(2);
//switch (which)
//{
// case 0:
// solid = new Box(new Vector3(150, 150, 150));
// break;
// case 1:
// solid = new Sphere(150);
// break;
// default:
// solid = new Box(new Vector3(150, 150, 150));
// break;
//}
//}
u.Add(box as CsgObject);
double averageSize = (box.XSize + box.YSize + box.ZSize) / 3.0;
List <Vector3> boxVertexes = new List <Vector3>();
Vector3 boxCenter = box.GetCenter();
double halfX = box.XSize / 2;
double halfY = box.YSize / 2;
double halfZ = box.ZSize / 2;
for (int i = 0; i < 2; i++)
{
double x = -1 * halfX + i * box.XSize;
for (int j = 0; j < 2; j++)
{
double y = -1 * halfY + j * box.YSize;
for (int k = 0; k < 2; k++)
{
double z = -1 * halfZ + k * box.ZSize;
Vector3 newVertex = new Vector3(x, y, z);
boxVertexes.Add(newVertex);
}
}
}
foreach (Vector3 attachPoint in boxVertexes)
{
CsgObject joinThis = null;
double doWhat = _rand.NextDouble();
if (doWhat < 0.33)
{
joinThis = GimmeAPrimitive(GimmeABoundedDouble(averageSize * 0.25, averageSize * 0.75), attachPoint);
differences.Add(joinThis);
}
else if (doWhat < 0.85)
{
joinThis = GimmeAPrimitive(GimmeABoundedDouble(averageSize * 0.25, averageSize * 0.75), attachPoint);
unions.Add(joinThis);
}
else
{
joinThis = null;
}
}
foreach (var thing in unions)
{
u.Add(thing);
returnMe = u;
}
if (differences.Count > 0)
{
Difference d = new Difference(returnMe, differences[0]);
for (int i = 1; i < differences.Count; i++)
{
d.AddToSubtractList(differences[i]);
}
returnMe = d;
}
return(returnMe);
}
private static void DoABunchOneMethod(int howMany, Func <CsgObject> method)
{
for (int i = 0; i < howMany; i++)
{
//Console.Out.WriteLine(i);
try
{
CsgObject theThing = null;
double moreThanOne = _rand.NextDouble();
if (moreThanOne >= 0)
{
Union u = new Union();
int howManyMethods = _rand.Next(5);
List <CsgObject> unions = new List <CsgObject>();
List <CsgObject> differences = new List <CsgObject>();
for (int j = 0; j < howManyMethods; j++)
{
double addOrRemove = _rand.NextDouble();
if (addOrRemove <= 0.75 || j == 0)
{
var addMe = method();
unions.Add(addMe);
}
else
{
var diffMe = method();
differences.Add(diffMe);
}
}
foreach (var thing in unions)
{
u.Add(thing);
}
theThing = u;
if (differences.Count > 0)
{
Difference d = new Difference(theThing, differences[0]);
for (int j = 1; j < differences.Count; j++)
{
d.AddToSubtractList(differences[j]);
}
theThing = d;
}
}
else
{
theThing = method();
}
DateTime now = DateTime.Now;
if (theThing == null)
{
theThing = method();
}
//Console.Out.WriteLine("Writing file {0}", i);
//OpenSCadOutput.Save(theThing, string.Format("{0}.scad", now.ToString("yyMMddHHmmssff")));
MoveAndScaleAndWriteToFile(theThing, string.Format("{0}.scad", now.ToString("yyMMddHHmmssff")));
}
catch (Exception e)
{
//DON'T CARE!!! HAHAHA
Console.Out.WriteLine("EXCEPTION: {0}", e.Message);
}
}
}
private static void DoABunchSpheresOnly(int howMany)
{
for (int i = 0; i < howMany; i++)
{
//Console.Out.WriteLine(i);
try
{
CsgObject theThing = null;
double moreThanOne = _rand.NextDouble();
if (moreThanOne >= 0)
{
Union u = new Union();
int howManyMethods = _rand.Next(5);
List <CsgObject> unions = new List <CsgObject>();
List <CsgObject> differences = new List <CsgObject>();
for (int j = 0; j < howManyMethods; j++)
{
double addOrRemove = _rand.NextDouble();
if (addOrRemove <= 0.75 || j == 0)
{
var addMe = GimmeACompositionSpheresOnly();
unions.Add(addMe);
}
else
{
var diffMe = GimmeACompositionSpheresOnly();
differences.Add(diffMe);
}
}
foreach (var thing in unions)
{
u.Add(thing);
}
theThing = u;
if (differences.Count > 0)
{
Difference d = new Difference(theThing, differences[0]);
for (int j = 1; j < differences.Count; j++)
{
d.AddToSubtractList(differences[j]);
}
theThing = d;
}
}
else
{
theThing = GimmeACompositionSpheresOnly();
}
DateTime now = DateTime.Now;
if (theThing == null)
{
theThing = GimmeACompositionSpheresOnly();
}
var symmetry = _rand.NextDouble();
if (symmetry >= _symmetryLikelihood)
{
theThing = MakeThisSymmetric(theThing);
}
//Console.Out.WriteLine("Writing file {0}", i);
MoveAndScaleAndWriteToFile(theThing, string.Format("{0}.scad", "image-" + i));
}
catch (Exception e)
{
//DON'T CARE!!! HAHAHA
Console.Out.WriteLine("EXCEPTION: {0}", e.Message);
}
}
}