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.,.4)+.5*n(10.*(y.xz+2.)-v+999.,.4);"
 "}"
 "float m(vec3 v,vec3 m,float y)"
 "{"
   "vec3 x=vec3(0),f=m-x,a=v-x;"
   "float s=dot(f,f),c=dot(a,f),n=length(a*s-f*c)-y*s,z=abs(c-s*.5)-s*.5,i=n*n,l=z*z*s,d=max(n,z)<0.?"
     "-min(i,l):"
     "(n>0.?"
       "i:"
       "0.)+(z>0.?"
       "l:"
       "0.);"
   "return sign(d)*sqrt(abs(d))/s;"
 "}"
 "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 p(float y,float x,float a)"
 "{"
   "float f=(v*a-x)/(2.*acos(-1.));"
   "f=min(f,y);"
   "return 2.*acos(-1.)*f;"
 "}"
 "vec3 t(vec3 y)"
 "{"
   "float f=9.+9.*clamp(sin(p(2.,0.,1.)*.05),-.9,.9);"
   "if(v>=9.)"
     "y.xy=n(f)*y.xy;"
   "if(v>=14.)"
     "f=9.+9.*clamp(sin(p(2.,14.,1.)*.05),-.9,.9),y.xy=n(f*-1.)*y.xy;"
   "return y;"
 "}"
 "float p(float y,float f)"
 "{"
   "if(v>=f)"
     "y+=.045*clamp(sin(p(2.4,f*10.,10.)*.4),-.9,.9);"
   "return y;"
 "}"
 "vec2 a(vec3 f)"
 "{"
   "float y=0.;"
   "const float x=2.*acos(-1.)/24.;"
   "float a=floor(atan(f.y,f.x)/x+.5)*x;"
   "vec3 i=f;"
   "i.xy=mat2(cos(a),-sin(a),sin(a),cos(a))*i.xy;"
   "float s=length(max(abs(i.xy-vec2(1.8,0))-vec2(.24,.14),0.))-.02;"
   "s=min(s,abs(length(f.xy)-1.8)-.2);"
   "float r=abs(length(f.xy)-1.75)-.08;"
   "r=n(r,abs(f.z-.1)-.04,.005);"
   "s=max(-r,s);"
   "s=n(s,abs(f.z)-.1,.02);"
   "float z=1.;"
   "for(int c=0;c<8;c++)"
     "{"
       "vec3 d=f;"
       "float l=24.67/(2.*acos(-1.))+z*(2.*acos(-1.)/8.);"
       "if(c==1)"
         "l+=.2;"
       "if(c==7)"
         "l-=.2;"
       "d.xy=n(l)*d.xy;"
       "if(c>0)"
         "{"
           "d.x-=1.95;"
           "d.x=p(d.x,float(c));"
           "float h=p(vec3(d))-.02;"
           "s=min(s,h);"
           "if(s==h)"
             "y=4.;"
         "}"
       "z+=1.;"
     "}"
   "vec3 d=t(f);"
   "float c=2.*acos(-1.)/32.;"
   "vec3 l=d;"
   "l.xy=n(floor(atan(d.y,d.x)/c+.5)*c)*l.xy;"
   "float h=m(l.xyz-vec3(1.75,0,0),vec3(.04,.14,.05))-.02;"
   "s=min(s,h);"
   "if(s==h)"
     "y=4.;"
   "float e=1.5,g=1e3;"
   "for(int u=0;u<4;u++)"
     "{"
       "float C=m(vec3(f.x,f.y+e,f.z),vec3(2,.1,e))-.05;"
       "g=min(g,C);"
       "s=min(s,C);"
       "e+=.2;"
     "}"
   "float C=1e3;"
   "if(v>2.)"
     "{"
       "float u=m(f,vec3(0,0,-.01),1.6),D=m(f,vec3(0,0,-1),2.-v*2.+26.),b=0.;"
       "if(v>2.)"
         "b=m(f)*min((v-14.)*.5,.25);"
       "u+=b;"
       "C=max(-D+b,u);"
       "s=min(s,C);"
     "}"
   "float u=f.y+4.25+n(f.xz*.04+1e2,9.);"
   "s=min(s,u);"
   "if(s==C)"
     "y=1.;"
   "else if(s==min(g,.1))"
     "y=2.;"
   "else if(s==u)"
     "y=3.;"
   "return vec2(s,y);"
 "}"
 "float a(vec3 v,vec3 y)"
 "{"
   "float f=0.,s;"
   "for(int i=0;i<200;i++)"
     "{"
       "vec3 m=v+y*f;"
       "s=a(m).x;"
       "f+=s;"
       "if(abs(s)<.001||f>8e2)"
         "break;"
     "}"
   "return f;"
 "}"
 "vec3 h(vec3 v)"
 "{"
   "float m=a(v).x;"
   "vec2 f=vec2(.01,0);"
   "vec3 y=m-vec3(a(v-f.xyy).x,a(v-f.yxy).x,a(v-f.yyx));"
   "return normalize(y);"
 "}"
 "float a(vec3 v,vec3 f,float y,float m)"
 "{"
   "vec3 s=normalize(f-v),x=h(v);"
   "float i=clamp(dot(x,s),0.,y),c=a(v+x*.0025,s);"
   "if(c<length(f-v))"
     "i*=m;"
   "return i;"
 "}"
 "vec3 h(vec2 v,vec3 y)"
 "{"
   "vec3 f=normalize(vec3(0,-1,0)-y),s=normalize(cross(vec3(0,1,0),f));"
   "return normalize(f+v.x*s+v.y*cross(f,s));"
 "}"
 "vec3 i(vec3 v)"
 "{"
   "vec2 f=gl_FragCoord.xy/y.xy;"
   "v=mix(v,v*smoothstep(.9,.5,length(f-vec2(.5))),.9);"
   "v=mix(v,smoothstep(0.,1.,v),.9);"
   "v*=vec3(1);"
   "return pow(v,vec3(1./2.2));"
 "}"
 "void main()"
 "{"
   "vec2 f=(gl_FragCoord.xy*2.-y.xy)/y.y;"
   "vec3 s=vec3(0,2,6);"
   "s.yz*=n(sin(v)*.5);"
   "s.xz*=n(cos(v)*.5);"
   "vec3 m=h(f,s),x=vec3(0);"
   "float c=a(s,m);"
   "if(c<5e2)"
     "{"
       "vec3 d=s+m*c;"
       "float l=a(d).y,r=0.;"
       "r=a(d,vec3(-3,5,5),1.,.2);"
       "x+=vec3(r*vec3(.502,.2824,.102));"
       "r=a(d,vec3(3,-2,5),.75,.8);"
       "x+=vec3(r*vec3(.2784,.3647,.6588));"
       "vec3 g=h(d);"
       "x+=vec3(.1216,.1216,.1137)*clamp(dot(g,normalize(vec3(1,10,1))),0.,1.);"
       "if(l==0.)"
         "x*=vec3(.3);"
       "else if(l==1.)"
         "x*=(n(5.*(d.xy+2.)+v,-1.)*n(50.*(d.xy+2.),-.4)+.5*n(20.*(d.xy+2.)-v,-.5)*n(5.*(d.xy+2.),-.75))*smoothstep(0.,.75,(v-5.)*.1)+vec3(0,0,.5*n(10.*(d.xy+4.)-v,-.5))+vec3(0,0,.5);"
       "else if(l==2.)"
         "x*=vec3(.3608,.1765,.0471)-.2*n(vec2(1e2*d.x+3e2,75.*d.z+150.),-2.2)*n(vec2(15.*d.x+2.,3.*d.z+2.),-1.)+n(vec2(15.*d.x+2.4,3.*d.z+2.),-.25);"
       "else if(l==3.)"
         "x*=vec3(.8471,.8549,.4667)+n(d.yz*1e3,.1)+n(d.xy*1e3,.1);"
       "else if(l==4.)"
         "x*=vec3(.1);"
       "x=x*exp(-c*.02)+mix(x,mix(vec3(.2667,.2941,.3451),vec3(.302,.3176,.3725),pow(max(dot(m,vec3(0,.3,-1)),0.),8.)),1.-exp(-c*.02))*(1.-exp(-c*.02));"
     "}"
   "else"
     " x=vec3(.1529,.1765,.3922)+m.y*.4;"
   "gl_FragColor=vec4(i(x),1);"
 "}";

#endif // SHADER_MINIFIED_H_