/* File generated with Shader Minifier 1.0.3
 * http://www.ctrl-alt-test.fr
 */
#ifndef SHADER_CODE_H_
# define SHADER_CODE_H_
# define V_Y "v"
# define V_Z "m"

const char *mark_fs = ""
 "varying vec4 v;"
 "varying vec2 m;"
 "vec3 f,z;"
 "float x=6.28319;"
 "vec2 n(vec2 f,float v)"
 "{"
   "return cos(v)*f+sin(v)*vec2(-f.y,f.x);"
 "}"
 "void i(inout vec3 v,float f)"
 "{"
   "float z=mod(atan(v.z,v.x),f)-f*.5;"
   "v.xz=length(v.xz)*vec2(cos(z),sin(z));"
 "}"
 "float i(vec3 v,float f,float z)"
 "{"
   "return length(vec2(length(v.xz)-f,v.y))-z;"
 "}"
 "float s(vec3 v,float z)"
 "{"
   "return length(v)-z;"
 "}"
 "float i(vec3 v)"
 "{"
   "return v.y+.6;"
 "}"
 "float n(vec3 v)"
 "{"
   "return min(s(v+vec3(0,8.,0),8.5),i(v,2.3,.5));"
 "}"
 "float s(vec3 v)"
 "{"
   "float z=max(s(v,6.),v.y);"
   "i(v,x/64.);"
   "v.x=abs(v.x-5.)-2.;"
   "float f=mix(length(v.yz),length(v.xyz),step(0.,v.x));"
   "return min(z,f-.4);"
 "}"
 "float l(vec3 f)"
 "{"
   "return f.y-=4.,f.xz=n(f.xz,v.y*6.),i(f,x/12.),f.yz=n(f.yz,x/4.),min(i(f,2.,.15),s(f,1.5));"
 "}"
 "float h(vec3 v)"
 "{"
   "return min(min(min(i(v),n(v)),s(v)),l(v));"
 "}"
 "int g(vec3 v)"
 "{"
   "float z=1000.;"
   "int f;"
   "if(i(v)<z)"
     "z=i(v),f=0;"
   "if(n(v)<z)"
     "z=n(v),f=1;"
   "if(s(v)<z)"
     "z=s(v),f=2;"
   "if(l(v)<z)"
     "z=l(v),f=3;"
   "return f;"
 "}"
 "vec3 p(vec3 v)"
 "{"
   "vec3 z=vec3(.04,0.,0.),f;"
   "f.x=h(v+z.xyy)-h(v-z.xyy);"
   "f.y=h(v+z.yxy)-h(v-z.yxy);"
   "f.z=h(v+z.yyx)-h(v-z.yyx);"
   "return normalize(f);"
 "}"
 "float e(vec3 v)"
 "{"
   "float z=1.;"
   "for(float f=.2;f<12.;f=f*1.1+.125)"
     "z+=min(h(v+vec3(0.,1.,0.)*f),0.);"
   "return clamp(z,.2,1.);"
 "}"
 "float e(vec3 v,vec3 f,float z,float i)"
 "{"
   "float x,y=sign(z);"
   "for(x=y*.5+.5;i>0.;i--)"
     "x-=(i*z-h(v+f*i*z*y))/exp2(i);"
   "return x;"
 "}"
 "vec3 t(vec3 v)"
 "{"
   "float z=.3+.3*dot(v,vec3(0.,1.,0.));"
   "i(v,x/16.);"
   "v.x=abs(v.x-.2)-.08;"
   "float f=mix(abs(v.z),length(v.xz),step(0.,v.x));"
   "z+=pow(smoothstep(.1,0.,f),15.);"
   "return vec3(z);"
 "}"
 "float c(vec3 v)"
 "{"
   "float z=abs(v.y-.9);"
   "return.4+.3*(1-z);"
 "}"
 "void main()"
 "{"
   "int x=int(v.y);"
   "float y=mod(v.y,1.);"
   "z=vec3(m.xy-.5,1);"
   "f=vec3(-30.-y*5.,3.,-16.+y*24.);"
   "z.xz=n(z.xz,y*-2.5);"
   "if(false)"
     "{"
       "f.x=gl_ModelViewMatrix[0][0];"
       "f.y=gl_ModelViewMatrix[0][1];"
       "f.z=gl_ModelViewMatrix[0][2];"
       "float i=gl_ModelViewMatrix[1][1],s,r;"
       "vec3 l=vec3(m.xy-.5,1);"
       "s=cos(i);"
       "r=sin(i);"
       "z.y=s*l.y-r*l.z;"
       "z.x=l.x;"
       "z.z=r*l.y+s*l.z;"
       "i=gl_ModelViewMatrix[1][0];"
       "l=z;"
       "s=cos(i);"
       "r=sin(i);"
       "z.x=s*l.x+r*l.z;"
       "z.z=-r*l.x+s*l.z;"
     "}"
   "z=normalize(z);"
   "vec3 i=vec3(0.,0.,0.);"
   "float s=1.,l=0.,r=256.,a;"
   "while(s>.1)"
     "{"
       "for(a=1.;l<r&&a>.05;l+=a)"
         "a=h(f+z*l);"
       "if(l<r)"
         "{"
           "f+=z*l;"
           "vec3 o=p(f);"
           "z=reflect(z,o);"
           "l=.1;"
           "vec3 d=vec3(.3,.2,.1);"
           "float u=.125;"
           "int M=g(f);"
           "if(M==1)"
             "d=vec3(.1,.1,.1),u=.8;"
           "if(M==2)"
             "d=vec3(.4,.3,.03),u=.2;"
           "if(M==3)"
             "d=vec3(.7,0.,0.),u=.2;"
           "d*=c(o)*e(f)*e(f,o,.4,10.);"
           "i+=s*d;"
           "s*=u;"
         "}"
       "else"
         " i+=s*t(z),s=0.;"
     "}"
   "gl_FragColor.xyz=i;"
 "}";

#endif // SHADER_CODE_H_