public SdfSmoothUnion(ISdfObject a, ISdfObject b, double blend, Color color)
{
A = a;
B = b;
Blend = blend;
this.color = color;
}
public SdfBlend(ISdfObject a, ISdfObject b, double blend)
{
A = a;
B = b;
Blend = blend;
color = Color.White;
}
public SdfSmoothUnion(ISdfObject a, ISdfObject b, double blend)
{
A = a;
B = b;
Blend = blend;
color = a.ObjectColor;
}
private Color PointToColorFakeShadows(Point3d hitPoint)
{
ISdfObject sdfObject = ClosestObject(hitPoint);
Point3d normal = new Point3d(
(hitPoint + new Point3d(0.001, 0, 0)).DistanceFromSdfObject(sdfObject) - (hitPoint - new Point3d(0.001, 0, 0)).DistanceFromSdfObject(sdfObject),
(hitPoint + new Point3d(0, 0.001, 0)).DistanceFromSdfObject(sdfObject) - (hitPoint - new Point3d(0, 0.001, 0)).DistanceFromSdfObject(sdfObject),
(hitPoint + new Point3d(0, 0, 0.001)).DistanceFromSdfObject(sdfObject) - (hitPoint - new Point3d(0, 0, 0.001)).DistanceFromSdfObject(sdfObject)
).VectorNormalize();
double NdotL = LambertNdotL(normal, GlobalLight);
NdotL = NdotL > GlobalIllumination ? NdotL : GlobalIllumination;
return(Color.FromArgb((int)(sdfObject.ObjectColor.R * NdotL), (int)(sdfObject.ObjectColor.G * NdotL), (int)(sdfObject.ObjectColor.B * NdotL)));
}
private Color PointToColorRayShadows(Point3d hitPoint)
{
ISdfObject sdfObject = ClosestObject(hitPoint);
Point3d normal = new Point3d(
(hitPoint + new Point3d(0.001, 0, 0)).DistanceFromSdfObject(sdfObject) - (hitPoint - new Point3d(0.001, 0, 0)).DistanceFromSdfObject(sdfObject),
(hitPoint + new Point3d(0, 0.001, 0)).DistanceFromSdfObject(sdfObject) - (hitPoint - new Point3d(0, 0.001, 0)).DistanceFromSdfObject(sdfObject),
(hitPoint + new Point3d(0, 0, 0.001)).DistanceFromSdfObject(sdfObject) - (hitPoint - new Point3d(0, 0, 0.001)).DistanceFromSdfObject(sdfObject)
).VectorNormalize();
Point3d lightPoint = hitPoint + (GlobalLight) * renderDistance;
(double distance, int steps, Point3d lightHitPoint) = RayMarch(lightPoint, hitPoint, renderDistance * 2);
double light = (hitPoint - lightHitPoint).VectorLength();
light = (1 - Math.Min(light, 1.0)) / 1;
light = light > GlobalIllumination ? light : GlobalIllumination;
return(Color.FromArgb((int)(sdfObject.ObjectColor.R * light), (int)(sdfObject.ObjectColor.G * light), (int)(sdfObject.ObjectColor.B * light)));
}
private ISdfObject ClosestObject(Point3d point)
{
if (objects.Count == 0)
{
return(null);
}
ISdfObject closest = objects[0];
double min = point.DistanceFromSdfObject(objects[0]);
for (int i = 1; i < objects.Count; i++)
{
double dist = point.DistanceFromSdfObject(objects[i]);
if (min > dist)
{
min = dist;
closest = objects[i];
}
}
return(closest);
}
public SdfRepetition(ISdfObject primitive, double repetitionDistance)
{
Primitive = primitive;
RepetitionDistance = new Point3d(repetitionDistance, repetitionDistance, repetitionDistance);
}
public SdfRotation(ISdfObject primitive, Point3d rotation)
{
Primitive = primitive;
Rotation = rotation;
}
public SdfOnion(ISdfObject primitive, double thickness)
{
Primitive = primitive;
Thickness = thickness;
}
public SdfUnion(ISdfObject a, ISdfObject b)
{
A = a;
B = b;
color = a.ObjectColor;
}
public SdfSliceXZ(ISdfObject primitive)
{
Primitive = primitive;
}
public SdfSmoothSubtraction(ISdfObject a, ISdfObject b, double blend)
{
A = a;
B = b;
Blend = blend;
}
public SdfIntersection(ISdfObject a, ISdfObject b, Color color)
{
A = a;
B = b;
this.color = color;
}
public SdfIntersection(ISdfObject a, ISdfObject b)
{
A = a;
B = b;
color = a.ObjectColor;
}
public SdfRepetition(ISdfObject primitive, Point3d repetitionDistance)
{
Primitive = primitive;
RepetitionDistance = repetitionDistance;
}
public SdfTranslation(ISdfObject primitive, Point3d translation)
{
Primitive = primitive;
Translation = translation;
}
public double DistanceFromSdfObject(ISdfObject sdfObject)
{
return(sdfObject.DistanceFromPoint(this));
}
public SdfElongation(ISdfObject primitive, Point3d elongation)
{
Primitive = primitive;
Elongation = elongation;
}
public SdfUnion(ISdfObject a, ISdfObject b, Color color)
{
A = a;
B = b;
this.color = color;
}
public SdfSubtraction(ISdfObject a, ISdfObject b)
{
A = a;
B = b;
}