bluflame/underwater4k/fragment_small.h

/* File generated with Shader Minifier 1.1.1
 * http://www.ctrl-alt-test.fr
 */
#ifndef FRAGMENT_SMALL_H_
# define FRAGMENT_SMALL_H_
# define V_Y "v"
# define V_Z "x"

char fragment_glsl_0[] = ""
 "const int m=0;"
 "varying vec4 v;"
 "varying vec2 x;"
 "vec3 r,i,z,f,s,y,w;"
 "float e,c,a,n,p;"
 "float t(vec2 v)"
 "{"
   "int i=int(v.x*40+v.y*6400);"
   "i=i<<13^i;"
   "return 1-float(i*(i*i*15731+789221)+1376312589&2147483647)/1073741824;"
 "}"
 "float d(vec2 v)"
 "{"
   "v=mod(v,1000.);"
   "vec2 x=fract(v);"
   "v-=x;"
   "vec2 s=x*x*(3.-2.*x);"
   "return mix(mix(t(v+vec2(0,0)),t(v+vec2(1,0)),s.x),mix(t(v+vec2(0,1)),t(v+vec2(1,1)),s.x),s.y);"
 "}"
 "float g(float x)"
 "{"
   "return x*.5+.5;"
 "}"
 "float d(float s,float z,float x)"
 "{"
   "float m=(g(sin(a*2*(s+z+v.x*x)))+g(sin(a*(z-s-v.x*x)))+g(sin(a*(z+v.x*x)))+g(sin(a*3*(s-v.x*x))))*.3;"
   "return pow(m,2.);"
 "}"
 "vec3 h(vec3 x)"
 "{"
   "int v=int(mod(gl_FragCoord.x,3.));"
   "if(v==0)"
     "x*=w.xyz;"
   "if(v==1)"
     "x*=w.yzx;"
   "if(v==2)"
     "x*=w.zxy;"
   "return x;"
 "}"
 "vec3 o(vec3 v)"
 "{"
   "vec2 m=x*2-1;"
   "float y=m.x*(m.y+3);"
   "return v+z*d(y+50*s.x,y+50*s.z,1.5)*g(m.y)*min(-s.y*30,.3);"
 "}"
 "float l(vec2 v)"
 "{"
   "return-.035+pow(d(v.x*10,v.y*10,0.)*2-1,2.)*.05-(v.x-.1)*.2;"
 "}"
 "vec3 u(vec3 v)"
 "{"
   "return normalize(vec3(l(v.xz-vec2(p,0))-l(v.xz+vec2(p,0)),2*p,l(v.xz-vec2(0,p))-l(v.xz+vec2(0,p))));"
 "}"
 "vec3 d(vec3 v,vec3 s)"
 "{"
   "return(.3+.7*max(dot(s,i),0.))*z*v;"
 "}"
 "vec3 M(vec3 v)"
 "{"
   "return normalize(vec3(d(v.x*160-cos(v.z*10)*12,v.z*140,4.),8,d(v.z*160-sin(v.x*10)*12,v.x*140,4.))*2-1);"
 "}"
 "vec3 M(vec3 v,vec3 x)"
 "{"
   "vec3 s=u(v),y=mix(vec3(.66,.55,.4)-.2*d(abs(v.xz*150))-.2*d(abs(v.yy+.002*d(abs(v.xz*150)))*3000),vec3(.1,.3,0)*(d(v.xz*7000.)*.4+.5),clamp(s.y*(d(v.x*111,v.z*111,0.)*.5-v.y*40),0.,1.));"
   "if(v.y<=0)"
     "y+=5*M(.8*v).x*min(.3,-v.y*8);"
   "return d(y,s);"
 "}"
 "vec3 g(vec3 v,vec3 s)"
 "{"
   "return v.y<=-n*n?f:mix(vec3(-.5,-.25,0),vec3(2),1-(s.y*.5+.5));"
 "}"
 "vec3 h(vec3 s,vec3 x)"
 "{"
   "vec3 m,y;"
   "m=normalize(s-r);"
   "vec2 f=.5+.5*vec2(atan(m.z,m.x),acos(m.y))/a;"
   "f.x-=v.x;"
   "y=mix(vec3(1),vec3(1,0,0),mod(step(fract(f.x*6),.5)+step(fract(f.y*6),.5),2.));"
   "return d(y,m)+pow(max(dot(m,normalize(i-x)),0.),33.)*z;"
 "}"
 "float M(vec3 v,vec3 x,float m)"
 "{"
   "float y,s,i,f;"
   "y=0;"
   "vec3 r=v;"
   "for(float z=0;z<m;z+=y)"
     "{"
       "r+=x*y;"
       "f=r.y;"
       "float w=l(r.xz);"
       "if(f<=w)"
         "return z-y+y*(s-i)/(f-w+s-i);"
       "s=w;"
       "i=f;"
       "y=.002+z/c;"
     "}"
   "return 9.;"
 "}"
 "float l(vec3 v,vec3 x)"
 "{"
   "vec3 s=v-r;"
   "float i,y;"
   "i=dot(s,x);"
   "if(i>0)"
     "return 9.;"
   "y=i*i-dot(s,s)+e*e;"
   "if(y>0)"
     "return-i-sqrt(y);"
   "return 9.;"
 "}"
 "float o(vec3 v,vec3 x)"
 "{"
   "float m=-v.y/x.y;"
   "return m>=n?m:9.;"
 "}"
 "vec4 g(vec3 v,vec3 x,int m)"
 "{"
   "float s,i,y,f;"
   "s=m!=2?o(v,x):9.;"
   "i=m!=3?l(v,x):9.;"
   "y=m!=1?M(v,x,min(.5,.002+min(s,i))):9.;"
   "c/=20;"
   "f=min(y,min(s,min(i,9.)));"
   "if(f==9)"
     "return vec4(0);"
   "vec3 z=v+x*f;"
   "if(f==y)"
     "return vec4(z,1);"
   "if(f==s)"
     "return vec4(z,2);"
   "if(f==i)"
     "return vec4(z,3);"
 "}"
 "vec3 h(vec4 v,vec3 x,vec3 m)"
 "{"
   "vec3 y=x.y<n?f:g(s,m);"
   "float i=clamp(length(v.xyz-x)*(s.y<=0?4:2),0.,1.);"
   "if(v.w==1)"
     "return mix(M(v.xyz,m),y,i);"
   "if(v.w==2)"
     "return mix(f,y,i);"
   "if(v.w==3)"
     "return mix(h(v.xyz,m),y,i);"
   "return y;"
 "}"
 "vec3 t(vec3 v,vec3 m)"
 "{"
   "vec3 x=M(v);"
   "vec4 i=g(v,refract(m,x,.9),2);"
   "float z=clamp(pow(1.03*(1-length(i.xyz-v)),16.),0.,1.);"
   "return mix(s.y<0?g(v,m):f,mix(h(g(v,reflect(m,x),2),v,m),h(i,v,m),clamp(-y.y+z,0.,1.)),i.w==3.?.5:pow(z,.5));"
 "}"
 "vec3 l(vec4 v,vec3 m,vec3 x)"
 "{"
   "vec3 y=m.y<n?f:g(s,x);"
   "float i=clamp(length(v.xyz-m)*(s.y<=0?4:2),0.,1.);"
   "if(v.w==1)"
     "return mix(M(v.xyz,x),y,i);"
   "if(v.w==2)"
     "return mix(t(v.xyz,x),y,i);"
   "if(v.w==3)"
     "return mix(mix(h(v.xyz,x),h(g(v.xyz,reflect(x,normalize(v.xyz-r)),3),v.xyz,x),.5),y,i);"
   "return g(m,x);"
 "}"
 "void main()"
 "{"
   "c=100;"
   "a=3.1416;"
   "w=vec3(1.2,.9,.9);"
   "n=.0001;"
   "p=.01;"
   "float m=10;"
   "int d=int(v.x);"
   "y=vec3(x.xy-.5,1);"
   "if(d>22&&d<27)"
     "m=min(1.,sin((v.x-23)*a*.25)*12),s=vec3(.12,.005,v.x*.08),y=vec3(gl_ModelViewMatrix*vec4(y,1)),y.y+=.1*cos(v.x*4);"
   "else"
     " if(d>14&&d<23)"
       "m=min(1.,sin((v.x-15)*a*.125)*24),y+=vec3(0,.1*cos(v.x*4),0),s=vec3(.08,.01*sin(v.x*4)+.002,v.x*.11);"
     "else"
       " s=vec3(.1,.004,0.)+vec3(.1,.005,20)*vec3(t(vec2(d,m++)),t(vec2(d,m++)),t(vec2(d,m++))),s=mix(s+vec3(.008)*vec3(t(vec2(d,m++)),t(vec2(d,m++)),t(vec2(d,m++))),s+vec3(.008)*vec3(t(vec2(d,m++)),t(vec2(d,m++)),t(vec2(d,m++))),v.x-d),s.y+=l(s.xz)+.02,s+=.02*u(s),m=min(1.,step(-28.,-v.x)*sin((v.x-d)*a)*3);"
   "y=normalize(y);"
   "if(d>22&&d<27)"
     "r=s+.1*vec3(gl_ModelViewMatrix*vec4(0,0,1,1));"
   "else"
     " r=s+.02*vec3(sin(v.x),0,5+cos(v.x));"
   "r.y+=.01+l(r.xz);"
   "e=d<14?0.:p*.5+p*v.z;"
   "r+=2*e*u(r);"
   "i=vec3(.58,.58,-.58);"
   "z=vec3(1.2);"
   "f=vec3(.3,.33,.4);"
   "if(s.y<=0)"
     "c*=.75,z*=.8;"
   "vec3 M=l(g(s,y,0),s,y);"
   "if(s.y<=0)"
     "M=o(M);"
   "gl_FragColor.xyz=h(m*M);"
 "}";

#endif // FRAGMENT_SMALL_H_