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_u_resolution "v"
# define VAR_u_time "y"

const char *__temp_cleaned_shader_glsl =
 "uniform vec2 v;"
 "uniform float y;"
 "const float m=22./7.;"
 "mat2 f(float v)"
 "{"
   "float y=sin(v),f=cos(v);"
   "return mat2(f,-y,y,f);"
 "}"
 "float f(float v,float y,float m)"
 "{"
   "float f=max(m-abs(v-y),0.);"
   "return max(v,y)+f*f*.25/m;"
 "}"
 "float n(vec2 v)"
 "{"
   "v=50.*fract(v*.3183099);"
   "return fract(v.x*v.y*(v.x+v.y));"
 "}"
 "float f(vec2 v,float y)"
 "{"
   "vec2 m=floor(v),f=fract(v),c=f*f*(3.-2.*f);"
   "return-y+y*mix(mix(n(m+vec2(0)),n(m+vec2(1,0)),c.x),mix(n(m+vec2(0,1)),n(m+vec2(1)),c.x),c.y);"
 "}"
 "float x(vec3 v)"
 "{"
   "return f(10.*v.xy+y+1e3,.2)+.5*f(10.*(v.xy+2.)-y+1e3,.2);"
 "}"
 "float n(vec3 v,float y,float m)"
 "{"
   "vec2 f=abs(vec2(length(v.xy),v.z))-vec2(m,y);"
   "return min(max(f.x,f.y),0.)+length(max(f,0.));"
 "}"
 "float n(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 x(vec3 v,vec2 y)"
 "{"
   "v.xy*=f(.5);"
   "vec3 m=abs(v);"
   "return max(m.z-y.y,max(m.x*.866025+v.y*.5,-v.y)-y.x*.5);"
 "}"
 "vec3 i=vec3(.4,.2,.4),c=vec3(.7,.4,.2),a=vec3(.2,.1,.3),s=vec3(.9,.5,.7),k=vec3(.8,.7,.5);"
 "float x(float v,float f,float x)"
 "{"
   "f*=x;"
   "float i=(y*x-f)/m;"
   "return m*min(i,v);"
 "}"
 "vec3 p(vec3 v)"
 "{"
   "for(float m=0.;m<7.;m++)"
     "{"
       "float c=9.+m*2.;"
       "if(y>c)"
         "{"
           "float i=1.;"
           "if(mod(m,2.)>=1.)"
             "i=-1.;"
           "v.xy*=f((9.+9.*clamp(sin(x(1.5,c,4.)*.06),-.9,.9))*i);"
         "}"
     "}"
   "return v;"
 "}"
 "float p(float v,float f)"
 "{"
   "if(y>=f)"
     "v+=.045*clamp(sin(x(3.,f,40.)*.4),-.8,.8);"
   "return v;"
 "}"
 "vec2 h(vec3 v)"
 "{"
   "float c=0.;"
   "const float i=m/12.;"
   "float a=floor(atan(v.y,v.x)/i+.5)*i;"
   "vec3 r=v;"
   "r.xy=mat2(cos(a),-sin(a),sin(a),cos(a))*r.xy;"
   "float e=length(max(abs(r.xy-vec2(1.8,0))-vec2(.24,.14),0.))-.02;"
   "e=min(e,abs(length(v.xy)-1.8)-.2);"
   "float s=abs(length(v.xy)-1.75)-.08;"
   "s=f(s,abs(v.z-.1)-.04,.005);"
   "e=max(-s,e);"
   "e=f(e,abs(v.z)-.1,.02);"
   "for(float l=0.;l<8.;l++)"
     "{"
       "vec3 h=v;"
       "float z=24.67/(m*2.)+(l+1.)*(m/4.);"
       "if(l==1.)"
         "z+=.2;"
       "if(l==7.)"
         "z-=.2;"
       "h.xy=f(z)*h.xy;"
       "float k=(l-1.)*2.+1.5+9.;"
       "if(l>0.)"
         "{"
           "h.x-=1.95;"
           "vec3 d=h;"
           "if(y>k)"
             "d.x=p(d.x,k);"
           "float t=x(vec3(d.x-.14,d.yz),vec2(.22))-.01,C=x(vec3(d),vec2(.2,.12))-.02,F=x(vec3(h.x-.06,h.yz),vec2(.1,.15))-.01,g=max(-t,C);"
           "g=min(g,F);"
           "e=min(e,g);"
           "if(e==g)"
             "c=4.;"
           "if(e==F&&y>k+.2)"
             "c=5.;"
         "}"
     "}"
   "vec3 h=p(v);"
   "float z=m/16.;"
   "vec3 l=h;"
   "l.xy=f(floor(atan(h.y,h.x)/z+.5)*z)*l.xy;"
   "float g=n(l.xyz-vec3(1.75,0,0),vec3(.04,.14,.05))-.02;"
   "e=min(e,g);"
   "if(e==g)"
     "c=4.;"
   "float k=1.5,d=1e3;"
   "for(int t=0;t<4;t++)"
     "{"
       "float C=n(vec3(v.x,v.y+k,v.z),vec3(2,.1,k))-.05;"
       "d=min(d,C);"
       "e=min(e,C);"
       "k+=.2;"
     "}"
   "float C=v.y+4.25+1.5*f(vec2(v.x*.04,(v.z-40.)*.04)+1e2,15.);"
   "e=min(e,C);"
   "float t=1e3,F=n(v,.025,1.6),E=n(v,2.,clamp(2.-y*2.+46.,0.,2.)),D=n(v,.3,1.6),u=0.;"
   "u=x(v)*clamp((y-24.)*.5,0.,.25);"
   "F+=u;"
   "t=max(-E,F);"
   "t=max(t,D);"
   "e=min(e,t);"
   "if(e==t)"
     "c=1.;"
   "if(e==d)"
     "c=2.;"
   "if(e==C)"
     "c=3.;"
   "return vec2(e,c);"
 "}"
 "float h(vec3 v,vec3 y)"
 "{"
   "float i=0.,f;"
   "for(int e=0;e<90;e++)"
     "{"
       "vec3 m=v+y*i;"
       "f=h(m).x;"
       "i+=f;"
       "if(abs(f)<.002||i>4e2)"
         "break;"
     "}"
   "return i;"
 "}"
 "vec3 r(vec3 v)"
 "{"
   "float m=h(v).x;"
   "vec2 y=vec2(.01,0);"
   "vec3 f=m-vec3(h(v-y.xyy).x,h(v-y.yxy).x,h(v-y.yyx));"
   "return normalize(f);"
 "}"
 "float h(vec3 v,vec3 m,float y)"
 "{"
   "vec3 f=normalize(m-v),e=r(v);"
   "float i=clamp(dot(e,f),0.,1.),c=h(v+e*.0025,f);"
   "if(abs(c)<length(m-v))"
     "i*=y;"
   "return i;"
 "}"
 "vec3 p(vec2 v,vec3 y,vec3 m)"
 "{"
   "vec3 f=normalize(m-y),c=normalize(cross(vec3(0,1,0),f));"
   "return normalize(f*2.+v.x*c+v.y*cross(f,c));"
 "}"
 "vec3 e(vec3 f)"
 "{"
   "f*=smoothstep(.9,.5,length(gl_FragCoord.xy/v.xy-vec2(.5)));"
   "f*=vec3(.9,.8,.7);"
   "f=pow(f,vec3(.4545));"
   "return smoothstep(0.,1.,f);"
 "}"
 "vec3 e()"
 "{"
   "vec3 v=vec3(0,clamp(6.-y,2.,6.),clamp(75.-y*8.,6.,75.));"
   "if(y>7.5)"
     "v+=vec3(0,clamp(7.5-y,-1.,0.),0);"
   "if(y>10.5)"
     "v=vec3(2,-1,1);"
   "if(y>12.)"
     "v=vec3(-1,-1,4);"
   "return v;"
 "}"
 "vec3 f()"
 "{"
   "vec3 v=vec3(0,-.5,0);"
   "if(y>10.5)"
     "v=vec3(1.7,-1.1,0);"
   "if(y>12.)"
     "v=vec3(0,.1,0);"
   "return v;"
 "}"
 "vec3 t(vec3 v)"
 "{"
   "if(y>10.75)"
     "{"
       "float f=smoothstep(-1.,.8,sin(x(.8,10.75,8.)*2.));"
       "v=mix(v,f*1.4*vec3(.95,.35,.06),f*.76);"
     "}"
   "return v;"
 "}"
 "void main()"
 "{"
   "vec2 m=(gl_FragCoord.xy*2.-v.xy)/v.y;"
   "vec3 y=e(),x=p(m,y,f()),l=vec3(0);"
   "float d=h(y,x);"
   "if(d<150.)"
     "{"
       "vec3 z=y+x*d;"
       "float g=h(z).y,C=0.;"
       "C=h(z,vec3(10,15,25),.2);"
       "l+=C*s;"
       "C=h(z,vec3(4,2,-15),1.);"
       "l+=C*k;"
       "l+=a*clamp(dot(r(z),normalize(vec3(0,1,10))),0.,1.);"
       "if(g==0.)"
         "l*=vec3(.3);"
       "else if(g==1.)"
         "l*=vec3(0,0,.5);"
       "else if(g==2.)"
         "l*=vec3(.3,.1,0);"
       "else if(g==3.)"
         "l*=vec3(.8,.8,.5)+f(z.xz*5e2+1e2,.3);"
       "else if(g==4.)"
         "l*=vec3(.1);"
       "else if(g==5.)"
         "l*=vec3(.9,.3,0);"
     "}"
   "l=mix(l,mix(i,c,pow(max(dot(x,vec3(0,-.1,-1)),0.),8.)),1.-exp(-d*.01));"
   "l=t(l);"
   "gl_FragColor=vec4(e(l),1);"
 "}";

#endif // SHADER_MINIFIED_H_