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// Output generated from file: D:/fractal/Fragmentarium/Output/Crist-JRoger/pk smoothmenger/1.frag
// Created: Sun Oct 30 11:57:47 2016
#info Pseudo Kleinian hybrid with Smooth Menger

#define providesInit
//#define USE_IQ_CLOUDS
#define KN_VOLUMETRIC
#define USE_EIFFIE_SHADOW
#define MULTI_SAMPLE_AO

#include "MathUtils.frag"
//#include "DE-Kn2cr10.frag"
#include "DE-Kn2cr11.frag"

#group PseudoKleinian
uniform int MI; slider[0,5,20]
uniform float Size; slider[0,1,2]
uniform vec3 CSize; slider[(0,0,0),(1,1,1),(2,2,2)]
uniform vec3 C; slider[(-2,-2,-2),(0,0,0),(2,2,2)]
uniform float DEoffset; slider[0,0,0.01]
uniform vec3 Offset; slider[(-1,-1,-1),(0,0,0),(1,1,1)]

uniform float Scale; slider[0.00,3.0,4.00]
uniform float s; slider[0.000,0.005,0.100]
uniform bool Sphere;checkbox[false]
uniform vec3 RotVector; slider[(0,0,0),(1,1,1),(1,1,1)]
uniform float RotAngle; slider[0.00,0,180]

mat3 rot;

void init() {
rot = rotationMatrix3(normalize(RotVector), RotAngle);
}

uniform int Iterations;  slider[0,8,100]
uniform int ColorIterations;  slider[0,8,100]

vec3 convert3 (vec3 z) {
vec3 z2=normalize(abs(z));
float ang1=abs(atan(z2.y/z2.z));  
float r2=sqrt(z2.z*z2.z+z2.y*z2.y);
float ang2=abs(atan(r2/z2.x));
if (ang1<.7854) {ang1=1./cos(ang1);}  else {ang1=1./sin(ang1);}
if (ang2<.7854) {ang2=1./cos(ang2);}  else {ang2=1./sin(ang2);}
z.yz*=ang1;
z.xyz*=ang2;
return z;
}

float Menger(vec3 z)
{
float t=9999.0;
float sc=Scale;
float sc1=sc-1.0;
float sc2=sc1/sc;
vec3 C=vec3(1.0,1.0,.5);
float w=1.;
int n = 0;
if(Sphere) {z=convert3(z);}
while (n < Iterations) {
z = vec3(sqrt(z.x*z.x+s),sqrt(z.y*z.y+s),sqrt(z.z*z.z+s));
z = rot *z;
t=z.x-z.y;  t= .5*(t-sqrt(t*t+s));
z.x=z.x-t; z.y=z.y+t;
t=z.x-z.z; t= 0.5*(t-sqrt(t*t+s));
  z.x=z.x-t; z.z= z.z+t;
t=z.y-z.z;  t= 0.5*(t-sqrt(t*t+s));
  z.y=z.y-t;  z.z= z.z+t;
z.z = z.z-C.z*sc2;
z.z=-sqrt(z.z*z.z+s);
z.z=z.z+C.z*sc2;
z.x=sc*z.x-C.x*sc1;
z.y=sc*z.y-C.y*sc1;
z.z=sc*z.z;
w=w*sc;
if (n<ColorIterations) orbitTrap = min(orbitTrap, (vec4(abs(z),dot(z,z))));
n++;
}
return abs(length(z)-0.0 ) /w;
//return abs(length(z)-0.0 ) * pow(Scale, float(-n));
}

float Thing2(vec3 p){
float DEfactor=1.;
    vec3 ap=p+1.;
for(int i=0;i<MI && ap!=p;i++){
ap=p;
p=2.*clamp(p, -CSize, CSize)-p;
      float r2=dot(p,p);
orbitTrap = min(orbitTrap, abs(vec4(p,r2)));
float k=max(Size/r2,1.);
p*=k;DEfactor*=k;
      p+=C;
orbitTrap = min(orbitTrap, abs(vec4(p,dot(p,p))));
}
return abs(0.5*Menger(p*Offset)/DEfactor-DEoffset);
}

float DE(vec3 p){
return  Thing2(p);
}












#preset Default
FOV = 0.47058
Eye = 3.6534,1.659382,3.641103
Target = -3.119795,-6.782848,4.055419
Up = -0.0095236,-0.0246335,-0.6576298
Gamma = 0.6099152
ToneMapping = 5
Exposure = 1
Brightness = 1
Contrast = 1
Saturation = 1
GaussianWeight = 1
AntiAliasScale = 1.5
Detail = -3.9
FudgeFactor = 0.60759
Dither = 0.35
NormalBackStep = 1 NotLocked
CamLight = 0.733333,0.917647,1,0.0132802
BaseColor = 0.541176,0.701961,0.611765
OrbitStrength = 0.9868074
X = 0.5,0.6,0.6,0.7
Y = 1,0.6,0,0.4
Z = 0.8,0.78,1,0.5
R = 0.4,0.7,1,0.12
BackgroundColor = 0.709804,0.541176,0.329412
GradientBackground = 0
CycleColors = false
Cycles = 1.1
EnableFloor = true NotLocked
FloorNormal = 0,0,1
FloorHeight = 3.824
FloorColor = 0.2117647,0.2823529,0.2823529
UpLock = false
FocalPlane = 1.167942
Aperture = 0.0085246
InFocusAWidth = 1
DofCorrect = true
ApertureNbrSides = 7
ApertureRot = 0
ApStarShaped = false
Bloom = true
BloomIntensity = 0.25
BloomPow = 2
BloomTaps = 4
BloomStrong = 1
RefineSteps = 1
MaxRaySteps = 157
MaxDistance = 11
DetailAO = -1.04258
coneApertureAO = 0.5
maxIterAO = 20
FudgeAO = 1
AO_ambient = 0.7
AO_camlight = 0.84616
AO_pointlight = 2
AoCorrect = 0.6973255
Specular = 0.5489942
SpecularExp = 10
AmbiantLight = 1,1,1,0.7903226
Reflection = 0.1960784,0.1333333,0.007843137
ReflectionsNumber = 1
SpotGlow = true
SpotLight = 1,0.839216,0.701961,1
LightPos = 3.0338,1.0112,2.809
LightSize = 0.0563565
LightFallOff = 0.3093192
LightGlowRad = 0.6520293
LightGlowExp = 1.8243
HardShadow = 1
ShadowSoft = 0
ShadowBlur = 0
perf = false
SSS = false
sss1 = 0.1
sss2 = 0.5
HF_Fallof = 5
HF_Const = 0
HF_Intensity = 0.85714
HF_Dir = 0,0,-1
HF_Offset = -3.8462
HF_Color = 0.666667,0.701961,0.839216,1
HF_Scatter = 0
HF_Anisotropy = 0,0,0
HF_FogIter = 1
HF_CastShadow = false
EnCloudsDir = true NotLocked
Clouds_Dir = -0.0238,0,1 NotLocked
CloudScale = 0.71113 NotLocked
CloudFlatness = 0.1125 NotLocked
CloudTops = 10 NotLocked
CloudBase = 1.6118 NotLocked
CloudDensity = 0.94737 NotLocked
CloudRoughness = 0.91526 NotLocked
CloudContrast = 1.25 NotLocked
CloudColor = 0.615686,0.662745,0.729412 NotLocked
CloudColor2 = 0.298039,0.254902,0.541176 NotLocked
SunLightColor = 0.360784,0.439216,0.694118 NotLocked
Cloudvar1 = 0 NotLocked
Cloudvar2 = 1 NotLocked
CloudIter = 5 NotLocked
CloudBgMix = 0.59524 NotLocked
MI = 14
Size = 1.38334
CSize = 1,1,0.95576
C = -1.5,0,0
DEoffset = 0.0005308
Offset = 1,0.2263536,1
Scale = 0.9643552
s = 0
Sphere = true
RotVector = 1,1,1
RotAngle = 33.80952
Iterations = 16
ColorIterations = 19
AutoFocus = false
AutoFocus = false
DepthToAlpha = true
#endpreset