4kintro/shader_minified.h

// Generated with Shader Minifier 1.3.6 (https://github.com/laurentlb/Shader_Minifier/)
#ifndef SHADER_MINIFIED_H_
# define SHADER_MINIFIED_H_
# define VAR_texts "f"
# define VAR_texture_sampler "x"
# define VAR_u_resolution "y"
# define VAR_u_time "v"

const char *__temp_cleaned_shader_glsl =
 "uniform vec2 y;"
 "uniform float v;"
 "uniform sampler2D x,f;"
 "mat2 n(float v)"
 "{"
   "float f=sin(v),y=cos(v);"
   "return mat2(y,-f,f,y);"
 "}"
 "float n(float v,float y,float x)"
 "{"
   "float m=max(x-abs(v-y),0.);"
   "return max(v,y)+m*m*.25/x;"
 "}"
 "float s(vec2 v)"
 "{"
   "v=50.*fract(v*.3183099);"
   "return fract(v.x*v.y*(v.x+v.y));"
 "}"
 "float n(vec2 v,float y)"
 "{"
   "vec2 m=floor(v),a=fract(v),f=a*a*(3.-2.*a);"
   "return-y+y*mix(mix(s(m+vec2(0)),s(m+vec2(1,0)),f.x),mix(s(m+vec2(0,1)),s(m+vec2(1)),f.x),f.y);"
 "}"
 "float m(vec3 y)"
 "{"
   "return n(10.*y.xy+v+999.,.2)+.5*n(10.*(y.xy+2.)-v+999.,.2);"
 "}"
 "float m(vec3 v,vec3 y,vec3 m,float x)"
 "{"
   "vec3 f=m-y,a=v-y;"
   "float i=dot(f,f),c=dot(a,f),s=length(a*i-f*c)-x*i,n=abs(c-i*.5)-i*.5,d=s*s,z=n*n*i,l=max(s,n)<0.?"
     "-min(d,z):"
     "(s>0.?"
       "d:"
       "0.)+(n>0.?"
       "z:"
       "0.);"
   "return sign(l)*sqrt(abs(l))/i;"
 "}"
 "float m(vec3 v,vec3 y)"
 "{"
   "vec3 f=abs(v)-y;"
   "return length(max(f,0.))+min(max(f.x,max(f.y,f.z)),0.);"
 "}"
 "float p(vec3 v)"
 "{"
   "vec2 f=vec2(.2);"
   "v.xy*=n(.5);"
   "const float y=sqrt(3.);"
   "f.x*=.5*y;"
   "v.xy/=f.x;"
   "v.x=abs(v.x)-1.;"
   "v.y=v.y+1./y;"
   "if(v.x+y*v.y>0.)"
     "v.xy=vec2(v.x-y*v.y,-y*v.x-v.y)/2.;"
   "v.x-=clamp(v.x,-2.,0.);"
   "float m=length(v.xy)*sign(-v.y)*f.x,a=abs(v.z)-f.y;"
   "return length(max(vec2(m,a),0.))+min(max(m,a),0.);"
 "}"
 "float m(float y,float x,float a)"
 "{"
   "float f=(v*a-x)/(2.*acos(-1.));"
   "f=min(f,y);"
   "return 2.*acos(-1.)*f;"
 "}"
 "float t(float v)"
 "{"
   "return 9.+9.*clamp(sin(m(2.,v,1.)*.05),-.9,.9);"
 "}"
 "vec3 h(vec3 y)"
 "{"
   "if(v>=9.)"
     "y.xy=n(t(9.))*y.xy;"
   "if(v>=14.)"
     "y.xy=n(t(14.)*-1.)*y.xy;"
   "return y;"
 "}"
 "float h(float y,float f)"
 "{"
   "if(v>=f)"
     "y+=.045*clamp(sin(m(2.4,f*10.,10.)*.4),-.9,.9);"
   "return y;"
 "}"
 "vec2 a(vec3 y)"
 "{"
   "float f=0.;"
   "const float a=2.*acos(-1.)/24.;"
   "float x=floor(atan(y.y,y.x)/a+.5)*a;"
   "vec3 i=y;"
   "i.xy=mat2(cos(x),-sin(x),sin(x),cos(x))*i.xy;"
   "float r=length(max(abs(i.xy-vec2(1.8,0))-vec2(.24,.14),0.))-.02;"
   "r=min(r,abs(length(y.xy)-1.8)-.2);"
   "float s=abs(length(y.xy)-1.75)-.08;"
   "s=n(s,abs(y.z-.1)-.04,.005);"
   "r=max(-s,r);"
   "r=n(r,abs(y.z)-.1,.02);"
   "float l=1.;"
   "for(int c=0;c<8;c++)"
     "{"
       "vec3 e=y;"
       "float z=24.67/(2.*acos(-1.))+l*(2.*acos(-1.)/8.);"
       "if(c==1)"
         "z+=.2;"
       "if(c==7)"
         "z-=.2;"
       "e.xy=n(z)*e.xy;"
       "if(c>0)"
         "{"
           "e.x-=1.95;"
           "e.x=h(e.x,float(c)*13.);"
           "float d=p(vec3(e))-.02;"
           "r=min(r,d);"
           "if(r==d)"
             "f=4.;"
         "}"
       "l+=1.;"
     "}"
   "vec3 c=h(y);"
   "float z=2.*acos(-1.)/32.;"
   "vec3 e=c;"
   "e.xy=n(floor(atan(c.y,c.x)/z+.5)*z)*e.xy;"
   "float d=m(e.xyz-vec3(1.75,0,0),vec3(.04,.14,.05))-.02;"
   "r=min(r,d);"
   "if(r==d)"
     "f=4.;"
   "float u=1.5,g=1e3;"
   "for(int t=0;t<4;t++)"
     "{"
       "float C=m(vec3(y.x,y.y+u,y.z),vec3(2,.1,u))-.05;"
       "g=min(g,C);"
       "r=min(r,C);"
       "u+=.2;"
     "}"
   "float C=y.y+4.25+1.5*n(vec2(y.x*.04,(y.z-40.)*.04)+1e2,15.);"
   "C+=n(y.yz,.25);"
   "C+=.025*n(y.xz*50.+1e2,.05);"
   "r=min(r,C);"
   "float t=1e3,D=m(y,vec3(0),vec3(0,0,-.01),1.6),F=m(y,vec3(0,0,1),vec3(0,0,-1),clamp(2.-v*2.+26.,0.,2.)),G=m(y,vec3(0,0,1),vec3(0,0,-1),1.6),k=0.;"
   "k=m(y)*clamp((v-14.)*.5,0.,.25);"
   "D+=k;"
   "t=max(-F,D);"
   "t=max(t,G);"
   "r=min(r,t);"
   "if(r==t)"
     "f=1.;"
   "else if(r==g)"
     "f=2.;"
   "else if(r==C)"
     "f=3.;"
   "return vec2(r,f);"
 "}"
 "float a(vec3 v,vec3 y)"
 "{"
   "float f=0.,r;"
   "for(int i=0;i<200;i++)"
     "{"
       "vec3 x=v+y*f;"
       "r=a(x).x;"
       "f+=r;"
       "if(r<.001||f>8e2)"
         "break;"
     "}"
   "return f;"
 "}"
 "vec3 e(vec3 v)"
 "{"
   "float f=a(v).x;"
   "vec2 y=vec2(.01,0);"
   "vec3 r=f-vec3(a(v-y.xyy).x,a(v-y.yxy).x,a(v-y.yyx));"
   "return normalize(r);"
 "}"
 "float a(vec3 v,vec3 y,float f,float m)"
 "{"
   "vec3 x=normalize(y-v),r=e(v);"
   "float i=clamp(dot(r,x),0.,f),c=a(v+r*.0025,x);"
   "if(c<length(y-v))"
     "i*=m;"
   "return i;"
 "}"
 "vec3 e(vec2 y,vec3 v)"
 "{"
   "vec3 f=normalize(vec3(0,-1,0)-v),a=normalize(cross(vec3(0,1,0),f));"
   "return normalize(f+y.x*a+y.y*cross(f,a));"
 "}"
 "vec3 i(vec3 v)"
 "{"
   "v=mix(v,smoothstep(0.,1.,v),.9);"
   "v*=vec3(1);"
   "return pow(v,vec3(1./2.2));"
 "}"
 "vec3 a()"
 "{"
   "vec3 y=vec3(0,clamp(6.-v,2.,6.),clamp(75.-v*8.,6.,75.));"
   "if(v>7.5)"
     "y+=vec3(0,clamp(7.5-v,-1.,0.),0);"
   "return y;"
 "}"
 "void main()"
 "{"
   "vec2 v=(gl_FragCoord.xy*2.-y.xy)/y.y;"
   "vec3 f=a(),r=e(v,f),m=vec3(0);"
   "float x=a(f,r);"
   "if(x<5e2)"
     "{"
       "vec3 c=f+r*x;"
       "float s=a(c).y,t=0.;"
       "t=a(c,vec3(-3,5,5),1.,.2);"
       "m+=vec3(t*vec3(.502,.2824,.102));"
       "t=a(c,vec3(3,-2,5),.75,.8);"
       "m+=vec3(t*vec3(.2784,.3647,.6588));"
       "vec3 d=e(c);"
       "m+=vec3(.1216,.1216,.1137)*clamp(dot(d,normalize(vec3(1,10,1))),0.,1.);"
       "if(s==0.)"
         "m*=vec3(.3);"
       "else if(s==1.)"
         "m*=vec3(0,0,.5);"
       "else if(s==2.)"
         "m*=vec3(.3608,.1765,.0471);"
       "else if(s==3.)"
         "m*=vec3(.8471,.8549,.4667);"
       "else if(s==4.)"
         "m*=vec3(.1);"
       "m=m*exp(-x*.02)+mix(m,mix(vec3(.2667,.2941,.3451),vec3(.302,.3176,.3725),pow(max(dot(r,vec3(0,.3,-1)),0.),8.)),1.-exp(-x*.02))*(1.-exp(-x*.02));"
     "}"
   "else"
     " m=vec3(.1529,.1765,.3922)+r.y*.4;"
   "gl_FragColor=vec4(i(m),1);"
 "}";

#endif // SHADER_MINIFIED_H_