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#include "DE-Raytracer.frag"

void init() {}

float DE(vec3 pos) {
	return abs(length(abs(pos)+vec3(-1.0))-1.2);
}

uniform float Angle2; slider[-180,0,180]

float DE(vec3 z);
uniform float as; slider[-5,1,5]
#replace "float DE(" "float DE1("
#include "../Kaleidoscopic IFS/Menger.frag"
#replace "Iterations" "Iterations2"
#replace "Scale" "Scale2"
#replace "RotVector" "RotVector2"
#replace "RotAngle" "RotAngle2"
#replace "Offset" "Offset2"
#replace "rot " "rot2 "
#replace "float DE(" "float DE2("
#includeonly "../Historical 3D Fractals/Mandelbox.frag"
#replace "float DE(" "float DE("
float DE(vec3 z) {
   return mix(DE1(z),DE2(z),as);
}

as = 0.46
AntiAlias = 2
AntiAliasScale = 1
LogMinDist = -3
LogNormalDist = -4
ClarityPower = 1
MaxDist = 3.24
MoveBack = 1.38
Limiter = 0.711
MaxRaySteps = 300
MaxRayStepsDiv = 5.275
AO = 0.7
AOColor = 0,0,0
SpotLight = 1
Specular = 0.3
SpecularExp = 30
SpotLightColor = 0.67,0.67,0.67
SpotLightDir = 1,1,1
CamLight = 1
CamLightColor = 1,1,1
Glow = 0
GlowColor = 0.3,1,0.4
BackgroundColor = 0.6,0.6,0.5
GradientBackground = true
OrbitStrength = 0.663
XStrength = 1
X = 0.5,0.6,0.6
YStrength = -0.114
Y = 1,0.9,0.7
ZStrength = -0.426
Z = 0.8,0.78,1
RStrength = 0.28
R = 1,1,1
Iterations = 7
Scale = 2.564
RotVector = 0.825,0.575,1
RotAngle = 126.54
Offset = 0.891,0.221,1
Iterations2 = 5
MinRad2 = 0.81
Scale2 = 2.448

#replace "void init() {}" " "

mat3 rot = rotationMatrix3(normalize(RotVector), RotAngle);

mat3 rot;
void init() {
  rot = rotationMatrix3(normalize(RotVector), RotAngle);
}

          while (r<10 && n < 14) {
		if (n==iter)break;
		
		if (n<6) {
			boxFold(z,dz);
			sphereFold(z,dz);
			z = Scale*z;
			dz*=abs(Scale);
		} else {
			octo(z,dz);
			r = length(z);
			powN2(z,r,dz);
		}
		r = length(z);
		n++;
	}

#include "DE-Raytracer.frag"
#include "MathUtils.frag"
#group Hybrid
// Inspired by the Spudsville systems

uniform float Scale; slider[-5.00,2.0,4.00]

// Scaling center
uniform vec3 Offset; slider[(0,0,0),(1,1,1),(5,5,5)]

mat3 rot;

void init() {
}

uniform float fixedRadius2; slider[0.1,1.0,2.3]
uniform float minRadius2; slider[0.0,0.25,2.3]
void sphereFold(inout vec3 z, inout float dz) {
	float r2 = dot(z,z);
	if (r2< minRadius2) {
		float temp = (fixedRadius2/minRadius2);
		z*= temp;
		dz*=temp;
} else if (r2<fixedRadius2) {
		float temp =(fixedRadius2/r2);
		z*=temp;
		dz*=temp;
	}
}

uniform float foldingValue; slider[0.0,2.0,5.0]
uniform float foldingLimit; slider[0.0,1.0,5.0]
void boxFold2(inout vec3 z, inout float dz) {
	if (z.x>foldingLimit) { z.x = foldingValue-z.x; }  else if (z.x<-foldingLimit) z.x = -foldingValue-z.x;
	if (z.y>foldingLimit)  { z.y = foldingValue-z.y;  } else if (z.y<-foldingLimit) z.y = -foldingValue-z.y;
	if (z.z>foldingLimit)  { z.z = foldingValue-z.z ; } else if (z.z<-foldingLimit) z.z = -foldingValue-z.z;
}

uniform float foldingLimit2; slider[0.0,1.0,5.0]
void boxFold(inout vec3 z, inout float dz) {
	z = clamp(z, -foldingLimit, foldingLimit) * 2.0 - z;
}

void boxFold3(inout vec3 z, inout float dz) {
	z = clamp(z, -foldingLimit2,foldingLimit2) * 2.0 - z;
}


void mengerFold(inout vec3 z, inout float dz) {
	z = abs(z);
	if (z.x<z.y){ z.xy = z.yx;}
	if (z.x< z.z){ z.xz = z.zx;}
	if (z.y<z.z){ z.yz = z.zy;}
	z = Scale*z-Offset*(Scale-1.0);
	if( z.z<-0.5*Offset.z*(Scale-1.0))  z.z+=Offset.z*(Scale-1.0);
	dz*=Scale;
	
}

uniform float Scale2; slider[0.00,2,4.00]
uniform vec3 Offset2; slider[(0,0,0),(1,0,0),(1,1,1)]

void octo(inout vec3 z, inout float dz) {
	if (z.x+z.y<0.0) z.xy = -z.yx;
	if (z.x+z.z<0.0) z.xz = -z.zx;
	if (z.x-z.y<0.0) z.xy = z.yx;
	if (z.x-z.z<0.0) z.xz = z.zx;
	z = z*Scale2 - Offset2*(Scale2-1.0);
	dz*= Scale2;
}

uniform float Power; slider[0.1,8.0,12.3]
uniform float ZMUL; slider[-140.0,1,10]
void powN2(inout vec3 z, float zr0, inout float dr) {
	float zo0 = asin( z.z/zr0 );
	float zi0 = atan( z.y,z.x );
	float zr = pow( zr0, Power-1.0 );
	float zo = zo0 * Power;
	float zi = zi0 * Power;
	dr = zr*dr*Power*abs(length(vec3(1.0,1.0,ZMUL)/sqrt(3.0))) + 1.0;
	zr *= zr0;
	z  = zr*vec3( cos(zo)*cos(zi), cos(zo)*sin(zi), ZMUL*sin(zo) );
}

float DE2(vec3 pos) {
	vec3 z=pos;
	float r;
	float dr=1.0;
	int i=0;
	r=length(z);
	while(r<100 && (i<8)) {
		powN2(z,r,dr);
		z+=pos;
		r=length(z);
		z*=rot;
		if (i<5) orbitTrap = min(orbitTrap, abs(vec4(z.x,z.y,z.z,r*r)));
		i++;
	}
	
	return 0.5*log(r)*r/dr;
	
}
uniform int MN; slider[0,5,50]
float DE(vec3 z, inout float dz, inout int iter)
{
	vec3 c = z;
	// z = vec3(0.0);
	int n = 0;
	//float dz = 1.0;
	float r = length(z);
	while (r<10 && n < 14) {
		if (n==iter)break;
		
		if (n<MN) {
			boxFold(z,dz);
			sphereFold(z,dz);
			z = Scale*z; //+c;//+c*Offset;
			dz*=abs(Scale);
		} else {
			octo(z,dz);
			r = length(z);
			powN2(z,r,dz);
		}
		r = length(z);
		
		if (n<2 && iter<0) orbitTrap = min(orbitTrap, (vec4(abs(4.0*z),dot(z,z))));
		n++;
	}
	if (iter<0) iter = n;
	
	return r;
}

uniform bool Analytic; checkbox[true]

uniform float DetailGrad;slider[-7,-2.8,7];
float gradEPS = pow(10.0,DetailGrad);

float DE(vec3 pos) {
	int iter = -1;
	float dz = 1.0;
	if (Analytic) {
		float r = DE(pos, dz, iter);
		return (r*log(r) / dz);
	} else  {
		vec3 e = vec3(0.0,gradEPS,0.0);
		float r = abs(DE(pos, dz, iter));
		vec3 grad =vec3( DE(pos+e.yxx, dz, iter),  DE(pos+e.xyx, dz, iter),  DE(pos+e.xxy,dz,  iter) )-vec3(r);
		return r*log(r)*0.5/ length( grad/gradEPS);
	}
}

float DED(vec3 pos, vec3 dir) {
	int iter = -1;
	float dz = 1.0;
	vec3 e = -dir*gradEPS;
	float r = abs(DE(pos, dz, iter));
	float grad =DE(pos+e, dz, iter)-r;
	return r*log(r)*0.5/ abs( grad/gradEPS);
}

#preset Great
FOV = 0.62536
Eye = 2.01082,2.74166,3.98073
Target = 2.33583,-4.84236,4.31657
Up = -9.898e-06,-0.0442387,-0.999018
AntiAlias = 1
AntiAliasBlur = 1
Detail = -3.99665
DetailNormal = -5.99039
DetailAO = 0
FudgeFactor = 0.01573
MaxRaySteps = 530
MaxRayStepsDiv = 3.5
BoundingSphere = 10
Dither = 0.5
AO = 0,0,0,1
Specular = 0
SpecularExp = 16
SpotLight = 1,1,1,0.68478
SpotLightDir = -0.82858,0.1
CamLight = 1,1,1,0.77273
CamLightMin = 0.36449
Glow = 1,1,1,0
Fog = 2
HardShadow = 0
BaseColor = 1,1,1
OrbitStrength = 0.13861
X = 0.498039,0.262745,0.6,0.41732
Y = 1,1,1,0.11812
Z = 0.333333,1,0.258824,0.2756
R = 0.4,0.7,1,0.5873
BackgroundColor = 0.6,0.6,0.45
GradientBackground = 0.3
CycleColors = true
Cycles = 4.06318
Scale = -2.07185
Offset = 1.25,0.8456,0.9191
fixedRadius2 = 1.10571
minRadius2 = 0.03871
foldingValue = 2
foldingLimit = 2.01755
foldingLimit2 = 1
Scale2 = 0.79884
Offset2 = 1,1,0
Power = 1.81825
ZMUL = -140
MN = 6
Analytic = true
DetailGrad = -2.8
#endpreset

#preset Futura
FOV = 0.62536
Eye = 2.01619,2.75179,3.99268
Target = 2.20567,-4.85338,3.42426
Up = -0.0125349,0.0742175,-0.99716
AntiAlias = 1
AntiAliasBlur = 1
Detail = -3.99665
DetailNormal = -5.99039
DetailAO = 0
FudgeFactor = 0.01573
MaxRaySteps = 530
MaxRayStepsDiv = 3.5
BoundingSphere = 10
Dither = 0.5
AO = 0,0,0,1
Specular = 0
SpecularExp = 16
SpotLight = 1,1,1,0.68478
SpotLightDir = -0.82858,0.1
CamLight = 1,1,1,0.77273
CamLightMin = 0.36449
Glow = 1,1,1,0
Fog = 1.91946
HardShadow = 0
BaseColor = 1,1,1
OrbitStrength = 0.13861
X = 0.498039,0.262745,0.6,0.41732
Y = 1,1,1,0.11812
Z = 0.333333,1,0.258824,0.2756
R = 0.4,0.7,1,0.5873
BackgroundColor = 0.6,0.6,0.45
GradientBackground = 0.3
CycleColors = false
Cycles = 4.06318
Scale = -2.07185
Offset = 1.25,0.8456,0.9191
fixedRadius2 = 1.10571
minRadius2 = 0.03871
foldingValue = 2
foldingLimit = 2.01755
foldingLimit2 = 1
Scale2 = 0.79884
Offset2 = 1,1,0
Power = 1.81825
ZMUL = -140
MN = 6
Analytic = true
DetailGrad = -2.8
#endpreset

#preset p1
FOV = 0.595581
Eye = 1.25125,-0.200486,1.00756
Target = -6.83342,0.316279,4.0991
Up = 0.328927,-0.0522827,0.868915
AntiAlias = 1
AntiAliasBlur = 1
Detail = -2.60582
DetailNormal = -2.42305
DetailAO = 0
AOSpread = 1
FudgeFactor = 0.26168
MaxRaySteps = 652
MaxRayStepsDiv = 2
BoundingSphere = 2
Dither = 0.5
AO = 0,0,0,0.81967
Specular = 0.4167
SpecularExp = 16
SpotLight = 1,1,1,0.72826
SpotLightDir = 0.54286,0.1
CamLight = 1,1,1,0.23656
Glow = 0.356863,1,0.12549,0.50876
Fog = 0.10738
HardShadow = 1
BaseColor = 1,1,1
OrbitStrength = 0.42574
X = 0.411765,0.6,0.560784,0.88976
Y = 0.666667,0.666667,0.498039,0.1496
Z = 1,0,0,0.46456
R = 1,0.666667,0,0.60318
BackgroundColor = 0.203922,0.227451,0.368627
GradientBackground = 0.5
CycleColors = true
Cycles = 6.78762
Scale = 2
RotVector = 1,1,1
RotAngle = 0
Offset = 1,1,1
fixedRadius2 = 1
minRadius2 = 0.25
foldingValue = 2
foldingLimit = 2.10525
ZMUL = -0.229
Analytic = false
DetailGrad = -3.56146
#endpreset

#preset F
FOV = 0.62536
Eye = 2.56637,3.86792,-0.754746
Target = 0.509966,0.674452,1.10844
Up = -0.191611,-0.396206,-0.890571
AntiAlias = 1
AntiAliasBlur = 1
Detail = -3.06572
DetailNormal = -4.03844
DetailAO = 0
FudgeFactor = 0.04673
MaxRaySteps = 583
MaxRayStepsDiv = 1.8
BoundingSphere = 10
Dither = 0.5
AO = 0,0,0,0.7
Specular = 2.4348
SpecularExp = 16
SpotLight = 1,1,1,0.73563
SpotLightDir = -0.52,0.1
CamLight = 1,1,1,0.77273
CamLightMin = 0.18692
Glow = 0,0.666667,0,1
Fog = 1.44966
HardShadow = 1
BaseColor = 1,1,1
OrbitStrength = 0.18812
X = 0.411765,0.6,0.560784,0.30708
Y = 0.666667,0.666667,0.498039,0.40158
Z = 0.666667,0.333333,1,0.02362
R = 0.4,0.7,1,-0.96832
BackgroundColor = 0.6,0.6,0.45
GradientBackground = 0.3
CycleColors = true
Cycles = 4.80603
Scale = -2
Offset = 1.25,0.8456,0.9191
fixedRadius2 = 0.5609
minRadius2 = 0.0625
foldingValue = 2
foldingLimit = 1.44735
foldingLimit2 = 1
Scale2 = 2.61764
Offset2 = 1,0,0
Power = 1.03135
ZMUL = -140
MN = 7
Analytic = true
DetailGrad = -2.8
#endpreset

#preset Ville
FOV = 0.62536
Eye = 4.36274,2.40381,0.932371
Target = -2.8913,-0.351315,0.36855
Up = 0.0793765,-0.00854807,-0.979476
AntiAlias = 1
AntiAliasBlur = 1
Detail = -3.06572
DetailNormal = -4.03844
DetailAO = 0
FudgeFactor = 0.04673
MaxRaySteps = 583
MaxRayStepsDiv = 1.8
BoundingSphere = 10
Dither = 0.5
AO = 0,0,0,0.7
Specular = 2.4348
SpecularExp = 16
SpotLight = 1,1,1,0.73563
SpotLightDir = -0.52,0.1
CamLight = 1,1,1,0.77273
CamLightMin = 0.18692
Glow = 1,1,1,0
Fog = 0.24162
HardShadow = 1
BaseColor = 1,1,1
OrbitStrength = 0.16832
X = 0.411765,0.6,0.560784,0.30708
Y = 0.666667,0.666667,0.498039,0.40158
Z = 0.666667,0.333333,1,0.02362
R = 0.4,0.7,1,-0.96832
BackgroundColor = 0.6,0.6,0.45
GradientBackground = 0.3
CycleColors = false
Cycles = 18.1816
Scale = -2
RotVector = 1,1,1
RotAngle = 0
Offset = 1.25,0.8456,0.9191
fixedRadius2 = 1
minRadius2 = 0.0625
foldingValue = 2
foldingLimit = 2.01755
Scale2 = 2
Offset2 = 1,0,0
Power = 2.05554
ZMUL = -9.084
Analytic = true
DetailGrad = -2.8
#endpreset

#preset MN
FOV = 0.62536
Eye = 1.82748,2.819,3.89641
Target = -0.157115,10.1441,5.24904
Up = -0.230691,-0.235678,0.937828
AntiAlias = 1
AntiAliasBlur = 1
Detail = -3.57665
DetailNormal = -4.03844
DetailAO = 0
FudgeFactor = 0.04673
MaxRaySteps = 843
MaxRayStepsDiv = 1.8
BoundingSphere = 10
Dither = 0.5
AO = 0,0,0,0.7
Specular = 2.4348
SpecularExp = 16
SpotLight = 1,1,1,0.73563
SpotLightDir = -0.52,0.1
CamLight = 1,1,1,0.77273
CamLightMin = 0.18692
Glow = 1,1,1,0
Fog = 0.24162
HardShadow = 1
BaseColor = 1,1,1
OrbitStrength = 0.16832
X = 0.498039,0.262745,0.6,0.30708
Y = 0.666667,0.121569,0.121569,0.25984
Z = 0.333333,1,0.258824,0.38582
R = 0.4,0.7,1,-0.96832
BackgroundColor = 0.6,0.6,0.45
GradientBackground = 0.3
CycleColors = true
Cycles = 8.27397
Scale = -2.25185
Offset = 1.25,0.8456,0.9191
fixedRadius2 = 1.08472
minRadius2 = 0.1832
foldingValue = 2
foldingLimit = 2.01755
foldingLimit2 = 1
Scale2 = 1.55884
Offset2 = 1,1,0
Power = 2.42825
ZMUL = -140
MN = 6
Analytic = true
DetailGrad = -2.8
#endpreset

#preset Abstraction
FOV = 0.62536
Eye = 2.03979,2.41975,3.79673
Target = 0.259702,-1.54583,-2.44596
Up = 0.835361,0.323895,-0.443951
AntiAlias = 1
AntiAliasBlur = 1
Detail = -4.08758
DetailNormal = -3.63461
DetailAO = 0
FudgeFactor = 0.01573
MaxRaySteps = 357
MaxRayStepsDiv = 3.5
BoundingSphere = 10
Dither = 0.5
AO = 0,0,0,1
Specular = 9.25
SpecularExp = 32.292
SpotLight = 1,1,1,0.68478
SpotLightDir = -0.82858,0.1
CamLight = 1,1,1,0.51612
CamLightMin = 1
Glow = 1,0.85098,0,0.21053
Fog = 0.79194
HardShadow = 0
BaseColor = 1,1,1
OrbitStrength = 0.13861
X = 0.498039,0.262745,0.6,0.41732
Y = 1,1,1,0.11812
Z = 0.333333,1,0.258824,0.2756
R = 0.4,0.7,1,0.5873
BackgroundColor = 0.6,0.6,0.45
GradientBackground = 0.3
CycleColors = true
Cycles = 4.06318
Scale = -2.07185
Offset = 1.25,0.8456,0.9191
fixedRadius2 = 1.10571
minRadius2 = 0.03871
foldingValue = 2
foldingLimit = 2.01755
foldingLimit2 = 1
Scale2 = 0.35296
Offset2 = 0,0.72308,0.26154
Power = 1.81825
ZMUL = -140
MN = 8
Analytic = true
DetailGrad = -2.8
#endpreset

varying vec4 Weye;//could be sent directly to the fragment shader as uniform. I'm using shader maker so...
varying vec4 WPpos;

void main( void )
{
	// DON'T transform
	gl_Position = gl_Vertex;
	
	WPpos = gl_ModelViewProjectionMatrixInverse*gl_Vertex;//
	WPpos /= WPpos.w;

	//Center of projection's (eye's) coordinates (well! it's not really a projection! is it?)
	Weye = gl_ModelViewMatrixInverse[3];
	//Weye /= Weye.w;
}

// simple fragment shader
// Raycasts a sphere and updates the z-buffer
// Discards the fragment if no intersection with the sphere
uniform float Sr;//radius of the sphere

uniform sampler2D textureImage;
varying vec4 Weye;
varying vec4 WPpos;

bool IntersectSphere(in vec3 Oray, in vec3 Vray, out vec3 Int)
{
	vec3 Spos=vec3(0.0,0.0,0.0);float Srad=Sr;
	//Spos.z=Sz;
	Spos=Spos-Oray;
	float b=dot(Spos,Vray);
	Spos=cross(Spos,Vray);
	float d2=dot(Spos,Spos);
	float delta=Srad*Srad-d2;
	if(delta<0.0) return false;
	delta=sqrt(delta);
	float tmin=b-delta;
	float tmax=b+delta;
	float t=tmin;
	if(t<0.0) t=tmax;
	if(t<0.0) return false;
	Int=Oray+t*Vray;
	return true;//false;
}

void main()
{
	vec4 Vray = normalize(WPpos-Weye);
	vec3 Int;
	if (IntersectSphere(Weye.xyz,Vray.xyz,Int)){
		gl_FragColor.brg=abs(Int/Sr);
		vec4 theInt=vec4(Int,1.0);//we need to use homogeneous coordinates to do the following
		theInt=gl_ModelViewProjectionMatrix*theInt;//perspective transformation
		theInt.xyz/=theInt.w;//perspective division
		gl_FragDepth=theInt.z*0.5+0.5;//update the depth buffer
	}
	else discard;
}

for (int j = 0; j < 7; j++) {
	z.yzx = z-2.0 * min(0.0, dot(z, n1)) * n1;
}

loop:{
   z=fold(z);
   z=scale*(z-c)+c;
   dr*=scale;
}
DE=(length(z)-bounding_volume_radius)/dr

dmin=distanceToAPrimitive(z);//that primitive could be a basic shape, a fractal or a dIFS/KIFS_with_instancing 
loop:{
   z=fold(z);
   z=scale*(z-c)+c;
   dr*=scale;
   dmin=min(dmin,distanceToAPrimitive(z)/dr);//we can also take different primitives depending on current iteration
}
DE=dmin;

uniform sampler2D texture; file[texture2.jpg]
...
vec3 col = texture2D(texture,uv).xyz;

C:\Program Files (x86)\NVIDIA Corporation\Cg\bin>cgc -profile fp40 -oglsl -strict -nocode e:\test2.glsl
e:\test2.glsl
e:\test2.glsl(219) : warning C7011: implicit cast from "int" to "float"
e:\test2.glsl(230) : warning C7011: implicit cast from "int" to "float"
616 lines, 2 warnings, 0 errors.

#infoTheli-at's Pseudo Kleinian (Scale 1 JuliaBox + Something
#include "MathUtils.frag"
#include "DE-raytracer.frag"

#group 4D Quaternion Julia

uniform int jIterations;  slider[0,16,100]
uniform float jThreshold; slider[0,10,100]
uniform vec4 jC; slider[(-1,-1,-1,-1),(0.18,0.88,0.24,0.16),(1,1,1,1)]
float DE1(vec3 pos) {
	vec4 p = vec4(pos, 0.0);
	vec4 dp = vec4(1.0, 0.0,0.0,0.0);
	for (int i = 0; i < jIterations; i++) {
		dp = 2.0* vec4(p.x*dp.x-dot(p.yzw, dp.yzw), p.x*dp.yzw+dp.x*p.yzw+cross(p.yzw, dp.yzw));
		p = vec4(p.x*p.x-dot(p.yzw, p.yzw), vec3(2.0*p.x*p.yzw)) + jC;
		float p2 = dot(p,p);
		orbitTrap = min(orbitTrap, abs(vec4(p.xyz,p2)));
		if (p2 > jThreshold) break;
	}
	float r = length(p);
	return  0.5 * r * log(r) / length(dp);
}


#group PseudoKleinian

#define USE_INF_NORM

uniform int MI; slider[0,5,20]

// Bailout
//uniform float Bailout; slider[0,20,1000]

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 TThickness; slider[0,0.01,2]
uniform float DEoffset; slider[0,0,0.01]
uniform vec3 Offset; slider[(-1,-1,-1),(0,0,0),(1,1,1)]

float RoundBox(vec3 p, vec3 csize, float offset)
{
	vec3 di = abs(p) - csize;
	float k=max(di.x,max(di.y,di.z));
	return abs(k*float(k<0.)+ length(max(di,0.0))-offset);
}


float maxcomp(vec3 a) {
	return 	 max(a.x,max(a.y,a.z));
}

float sdToBox( vec3 p, vec3 b )
{
  vec3  di = abs(p) - b;
  float mc = maxcomp(di);
  return min(mc,length(max(di,0.0)));
}

float Thingy(vec3 p, float e){
	p-=Offset;
	return (abs(length(p.xy)*p.z)-e) / sqrt(dot(p,p)+abs(e));
}

float Thing2(vec3 p){
//Just scale=1 Julia box
	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))));
	}
	//Call basic shape and scale its DE
	//return abs(0.5*Thingy(p,TThickness)/DEfactor-DEoffset);
	
	//Alternative shape
	//return abs(0.5*RoundBox(p, vec3(1.,1.,1.), 1.0)/DEfactor-DEoffset);
	//Just a plane
	return abs(0.5*abs((p.z-Offset.z)*DE1(p))/DEfactor-DEoffset);
}

float DE(vec3 p){
	return  Thing2(p);//RoundBox(p, CSize, Offset);
}







#preset test
FOV = 0.5
Eye = 2.7293,6.2764,-2.28296
Target = -3.06278,13.1388,-6.68298
Gamma = 0.8654
ToneMapping = 2
Exposure = 1.75533
Brightness = 1
Contrast = 1
Saturation = 1
GaussianWeight = 1
AntiAliasScale = 2
Detail = -3.7
FudgeFactor = 0.7
Dither = 0.86364
NormalBackStep = 1
AO = 0,0,0,0.91489
CamLight = 0.760784,0.870588,1,0.95384
CamLightMin = 1
Glow = 1,1,1,0
GlowMax = 20
BaseColor = 1,1,1
OrbitStrength = 1
X = 0.5,0.6,0.6,0.7
Y = 1,0.6,0,0.59596
Z = 0.8,0.78,1,0.41414
R = 0.4,0.7,1,0.06122
BackgroundColor = 0.313725,0.6,0.541176
GradientBackground = 0.3
CycleColors = false
Cycles = 3.25689
EnableFloor = false
FloorNormal = 0,0,1
FloorHeight = 0
FloorColor = 1,1,1
jIterations = 7
jThreshold = 10
jC = 0.856,1,-1,0.456
MI = 10
Size = 1.03334
CSize = 0.54868,2,2
C = 0,0,0
TThickness = 0
DEoffset = 0
Offset = 0,0,0.26924
Samples = 0
Intensity = 5
Decay = 0.9
ScreenX = 0.5
ScreenY = 0.5
SubframeMax = 10
EquiRectangular = false
FocalPlane = 1.76135
Aperture = 0
DetailAO = -0.67018
MaxRaySteps = 4310
Specular = 0.07143
SpecularExp = 16.176
SpecularMax = 100
SpotLight = 1,0.803922,0.631373,5.4
SpotLightDir = 0.14286,-0.71428
Fog = 0.281
HardShadow = 0.37179 NotLocked
ShadowSoft = 0
Reflection = 0 NotLocked
DebugSun = false
Up = -0.115178,0.105882,0.316753
#endpreset

#preset test1
FOV = 0.5
Eye = 4.74822,7.73998,-3.86969
Target = -4.51354,11.4635,-3.27358
Gamma = 0.8654
ToneMapping = 1
Exposure = 1.75533
Brightness = 1
Contrast = 1
Saturation = 1
GaussianWeight = 1
AntiAliasScale = 2
Detail = -3.7
FudgeFactor = 0.88608
Dither = 0.86364
NormalBackStep = 1
AO = 0,0,0,0.73404
CamLight = 0.760784,0.870588,1,1.6
CamLightMin = 1
Glow = 1,1,1,0.39535
GlowMax = 20
BaseColor = 1,1,1
OrbitStrength = 1
X = 0.5,0.6,0.6,0.7
Y = 1,0.6,0,0.59596
Z = 0.8,0.78,1,0.41414
R = 0.4,0.7,1,0.06122
BackgroundColor = 0.313725,0.6,0.541176
GradientBackground = 0.3
CycleColors = false
Cycles = 3.25689
EnableFloor = false
FloorNormal = 0,0,1
FloorHeight = 0
FloorColor = 1,1,1
jIterations = 7
jThreshold = 9.091
jC = 0.008,-0.104,0.168,1
MI = 10
Size = 1.03334
CSize = 0.54868,2,2
C = 0,0,0
TThickness = 0
DEoffset = 0
Offset = 0,0,0.26924
Samples = 0
Intensity = 5
Decay = 0.9
ScreenX = 0.5
ScreenY = 0.5
SubframeMax = 10
EquiRectangular = false
FocalPlane = 0.328
Aperture = 0.003
DetailAO = -0.67018
MaxRaySteps = 4310
Specular = 0.07143
SpecularExp = 16.176
SpecularMax = 100
SpotLight = 1,0.803922,0.631373,5.4
SpotLightDir = 0.14286,-0.71428
Fog = 0
HardShadow = 0.37179 NotLocked
ShadowSoft = 0
Reflection = 0.2 NotLocked
DebugSun = false
Up = 0.0140523,-0.0214554,0.352351
#endpreset

float DE(vec3 p){
	return min(DE1(p), DE2(p));
}