public override void InitWorld()
{
DefaultFloor();
Light(0, 4, 0);
Light(5, 15, -5, Color.White);
var cube = new Cube();
var sphere = new Sphere().Scale(1.4);
var csgIntersection = new CsgIntersection(sphere, cube);
var cyl1 = new Cylinder(-4, 4)
{
Material = new Material(Red)
}.Scale(sx: 0.75, sz: 0.75);
var cyl2 = new Cylinder(-4, 4)
{
Material = new Material(Green)
}.Scale(sx: 0.75, sz: 0.75).Rotate(rx: Pi / 2);
var cyl3 = new Cylinder(-4, 4)
{
Material = new Material(Blue)
}.Scale(sx: 0.75, sz: 0.75).Rotate(rz: Pi / 2);
var csgUnion = new CsgUnion(cyl1, new CsgUnion(cyl2, cyl3));
var csgDifference = new CsgDifference(csgIntersection, csgUnion);
csgDifference.Translate(ty: 1).Rotate(ry: Pi / 4);
Add(csgDifference);
}
public void CsgIntersectionTest()
{
var csgIntersection = new CsgIntersection().Add(sphere).Add(box);
Check.That(csgIntersection.Type).IsEqualTo("intersection");
var povCode = csgIntersection.ToPovCode();
Check.That(povCode).IsEqualTo("intersection {\n sphere {\n < 0, 0, 0>, 1\n}\nobject {\n MyBox\n}\n}");
}
public void CsgDemoTest()
{
scene.Name = "TestCsg";
var cylinderX = scene.Declare("cylinderX", new Cylinder()
{
BasePoint = _V(-2, 0, 0), CapPoint = _V(2, 0, 0), Radius = 0.5
});
var cylinderY = scene.Declare("cylinderY", new Cylinder()
{
BasePoint = _V(0, -2, 0), CapPoint = _V(0, 2, 0), Radius = 0.5
});
var cylinderZ = scene.Declare("cylinderZ", new Cylinder()
{
BasePoint = _V(0, 0, -2), CapPoint = _V(0, 0, 2), Radius = 0.5
});
var csgUnion = new CsgUnion()
.Add(cylinderX)
.Add(cylinderY)
.Add(cylinderZ)
.AddModifiers(new Pigment(_Red));
scene.Add(csgUnion);
var csgIntersection = new CsgIntersection()
.Add(cylinderX)
.Add(cylinderY)
.Add(cylinderZ)
.AddModifiers(new Pigment(_Green))
.Translate(0, 0, 3);
scene.Add(csgIntersection);
var csgDifference = new CsgDifference(cylinderX)
.Add(cylinderY)
.Add(cylinderZ)
.AddModifiers(new Pigment(_Blue))
.Translate(3, 0, -3);
scene.Add(csgDifference);
var path = engine.Render(scene, options, false);
}
public void FilteringIntersections_Intersection_Test()
{
var csg = new CsgIntersection(s1, s2);
FilteringIntersectionsTest(csg, 1, 2);
}
public void IntersectionAllowedTest(bool leftHit, bool insideLeft, bool insideRight, bool expected)
{
var intersectionCsg = new CsgIntersection(new Sphere(), new Sphere());
Check.That(intersectionCsg.IntersectionAllowed(leftHit, insideLeft, insideRight)).IsEqualTo(expected);
}
public DroidHead(Pigment mainPigment, Pigment decoPigmentMajor, Pigment decoPigmentMinor)
{
double yBottomSkull = 2 * rSkull - hSkull;
double rBottomSkull = Math.Sqrt(Math.Pow(rSkull, 2) - Math.Pow(hSkull - rSkull, 2));
#region SkullNeck
var skull = new CsgDifference(
new Sphere()
{
Center = _V(0, rSkull, 0), Radius = rSkull
})
.Add(new Box()
{
Corner1 = _V(-1), Corner2 = _V(1, yBottomSkull, 1)
});
Local(nameof(skull), skull);
var neck = new CsgDifference(
new Cone()
{
BaseRadius = rBottomSkull,
BasePoint = _V(0, yBottomSkull, 0),
CapPoint = _V(0, yBottomSkull - 0.5, 0)
})
.Add(new Box()
{
Corner1 = _V(-1, yBottomSkull - hNeck, -1), Corner2 = _V(1, -1, 1)
})
;
Local(nameof(neck), neck);
#endregion
#region Deco
var smallDecoBox = new Box()
{
Corner1 = _V(-1, 0, -1), Corner2 = _V(1, 1, 1)
};
Local(nameof(smallDecoBox), smallDecoBox);
var topRing = smallDecoBox.Obj().ScaleY(hTopRing).TranslateY(yTopRing);
var bottomRing = smallDecoBox.Obj().ScaleY(hBottomRing);
var middleRing = new CsgDifference(
smallDecoBox.Obj()
.ScaleY(hBottomRing)
.TranslateY(yMiddleRing))
.Add(new Cylinder {
BasePoint = yBigEye * _Y, CapPoint = yBigEye * _Y + 2 * _Z, Radius = rBigEye * 1.2
})
;
var minorDecoElements = new CsgUnion()
.Add(topRing)
.Add(bottomRing)
.TranslateY(yBottomSkull)
;
var minorDeco = new CsgIntersection()
.Add(new Sphere()
{
Center = rSkull * _Y, Radius = rSkull * 1.0005
})
.Add(minorDecoElements)
.AddModifiers(decoPigmentMinor);
;
var miscDeco = new CsgUnion();
for (int i = 0; i < 10; i++)
{
miscDeco.Add(
smallDecoBox.Obj().Scale(1, hTopRing, 0.02).RotateY(30 * i + 15),
smallDecoBox.Obj().Scale(1, hTopRing, 0.05).RotateY(30 * i));
}
miscDeco.TranslateY(hBottomRing);
var majorDecoElements = new CsgUnion().Add(
middleRing,
miscDeco)
.TranslateY(yBottomSkull)
;
var majorDeco = new CsgIntersection()
.Add(new Sphere()
{
Center = rSkull * _Y, Radius = rSkull * 1.0005
})
.Add(majorDecoElements)
.AddModifiers(decoPigmentMajor);
;
#endregion
double zBigEye = Math.Sqrt(Math.Pow(rSkull, 2) - Math.Pow(yBigEye, 2));
var bigEye = new Sphere {
Center = _V(0, yBigEye + yBottomSkull, zBigEye), Radius = rBigEye
}
.AddModifiers(new Pigment(_Black));
double zSmallEye = Math.Sqrt(Math.Pow(rSkull, 2) - Math.Pow(ySmallEye, 2));
var smallEye = new Sphere {
Center = _V(0, ySmallEye + yBottomSkull, zSmallEye), Radius = rSmallEye
}
.RotateY(aSmallEye)
.AddModifiers(new Pigment(_Black));
Add(bigEye, smallEye, majorDeco, minorDeco, skull, neck);
AddModifiers(mainPigment);
this.TranslateY(-yBottomSkull + hNeck);
}
