port from perforce
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284
evoke-64k/evk13-4k/mark_0.h
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284
evoke-64k/evk13-4k/mark_0.h
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/* File generated with Shader Minifier 1.1.1
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* http://www.ctrl-alt-test.fr
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*/
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#ifndef MARK_0_H_
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# define MARK_0_H_
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# define I_Y "v"
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# define I_Z "f"
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const char mark_fs_0[] = ""
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"#version 130\n"
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"const int i=0;"
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"in vec4 v;"
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"in vec2 f;"
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"float z,y,x,e,l,r,a=6.28319;"
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"int m;"
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"vec2 s;"
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"vec3 n,c,w,p=vec3(.2,.22,.25);"
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"vec2 h(vec2 x,float i)"
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"{"
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"return cos(i)*x+sin(i)*vec2(-x.y,x.x);"
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"}"
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"float h(inout vec2 y,float v,float x)"
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"{"
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"float i=atan(y.y,y.x),z=mod(i,x)-x*.5;"
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"y=length(y)*vec2(cos(z),sin(z));"
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"y.x-=v;"
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"return i-z;"
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"}"
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"void d(inout float y,float x)"
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"{"
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"y=mod(y-x*.5,x)-x*.5;"
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"}"
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"void d(inout float y,float x,float z)"
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"{"
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"y=max(abs(y)-z,mod(y-x*.5,x)-x*.5);"
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"}"
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"float t(float y,float x)"
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"{"
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"return floor((y-x*.5)/x);"
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"}"
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"float o(vec3 x,float z)"
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"{"
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"return length(vec2(length(x.xz)-z,x.y));"
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"}"
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"float o(in vec3 x,in vec3 z,float i)"
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"{"
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"return length(max(abs(x)-z+vec3(i),0.))-i;"
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"}"
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"float d(float i,float x,float z,float y)"
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"{"
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"return sin(i+x+y*sin(i+z));"
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"}"
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"vec3 d()"
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"{"
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"return vec3(x*19.,24.-cos(e*9.)*8.,cos(e*5.)*24.);"
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"}"
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"void d(inout vec3 i)"
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"{"
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"i.xz=h(i.xz,.2*cos(pow(abs(i.x),.4-x*.1))),i.yx=h(i.yx,.2*cos(pow(abs(i.x),.3+x*.1)));"
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"}"
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"float h(vec3 v)"
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"{"
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"if(i==0)"
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"return d(v),d(v.x,.5),max(length(v.x)-.1,o(v,vec3(1000.,1.4,1.4),.5));"
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"else"
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" if(i==1)"
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"return length(v-d())-12.;"
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"else"
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" if(i==2)"
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"{"
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"float y=v.x;"
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"d(v.x,a);"
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"v.y-=.3*cos((v.z+y-v.x)*.5);"
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"v.z+=128.*x*cos(.7*(y-v.x));"
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"d(v.z,2.4);"
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"return o(v,vec3(1.,.1,1.),.1);"
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"}"
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"else"
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" return v.x-=128.*e,d(v.x,64.),v.x=length(v.x)-11.,(v.x<0.?length(v.yz):length(v))-5.;"
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"}"
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"float o(vec3 v)"
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"{"
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"if(i==0)"
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"{"
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"float y=v.y-5.;"
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"d(v.x,20.);"
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"h(v.yz,28.,a/9.);"
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"return max(y,o(v,vec3(10.,2.,10.),3.));"
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"}"
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"else"
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" if(i==1)"
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"{"
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"vec3 y=v;"
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"d(v.x,8.);"
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"d(v.z,8.);"
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"y-=d();"
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"v.xz=h(v.xz,atan(y.x,y.z));"
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"v.yz=h(v.yz,atan(length(y.xz),48.));"
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"float z=o(v,vec3(2.5,2.,2.5),.8);"
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"v.y+=12.;"
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"return max(z,length(v)-12.);"
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"}"
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"else"
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" if(i==2)"
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"{"
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"float y=v.z;"
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"d(v.z,a);"
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"v.y+=.3*cos((v.x+y-v.z)*.5);"
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"return o(v,vec3(1000.,.1,2.),.1);"
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"}"
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"else"
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"{"
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"v.z=length(v.z)+15.;"
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"float y=length(v.y)-15.;"
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"d(v.x,100.);"
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"h(v.zy,85.,a/40.);"
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"h(v.zx,58.,a/50.);"
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"return max(y,o(v,vec3(4.,3.,1.),1.));"
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"}"
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"}"
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"float t(vec3 y)"
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"{"
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"if(i==0)"
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"return d(y),y.x+=256.*e,d(y.x,32.),length(vec2(length(y.yz)-3.,y.x))-1.-v.z;"
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"else"
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" if(i==1)"
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"return y-=d(),y.x=length(y.xz)+4.*v.z,d(y.x,24.),length(max(abs(y.xy)-vec2(3.)+vec2(1.),0.))-1.;"
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"else"
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" if(i==2)"
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"{"
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"y.y-=8.;"
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"float z=y.x;"
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"d(y.x,32.);"
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"y.yz=h(y.yz,d(z-y.x,2.,e,1.));"
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"y.xz=h(y.xz,d(z-y.x,1.,e,2.));"
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"return o(y,vec3(8.,8.,8.),10.-v.z);"
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"}"
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"else"
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" return y.yz=h(y.yz,d(round(y.x/6.),1.,4.*x,2.)),d(y.x,6.),h(y.yz,0.,a/6.),max(abs(length(y.yz)-5.3)-.2,abs(length(y.xz)-2.+v.z)-.3);"
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"}"
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"float u(vec3 y)"
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"{"
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"if(i==0)"
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"return d(y),o(y,vec3(1000.,1.,1.),.1);"
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"else"
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" if(i==1)"
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"return y.y+=20.,d(y.x,6.3),d(y.z,1.3),o(y,vec3(3.,15.,.5),.4);"
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"else"
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" if(i==2)"
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"return y.y-=20.,d(y.x,20.),d(y.z,20.),h(y.xz,0.,a/4.),o(y,vec3(1000.,1.,1.),.2);"
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"else"
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" return d(y.z,6.),d(y.x,5.5),h(y.xz,2.,a/6.),max(abs(1.-length(y.xz))-.1,abs(length(y.y)-15.)-.1);"
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"}"
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"float g(vec3 y)"
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"{"
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"return min(min(min(h(y),o(y)),t(y)),u(y));"
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"}"
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"float b(vec2 v)"
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"{"
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"if(i==1)"
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"d(v.x,20.,100.),d(v.y,20.,100.),z=max(length(v.x),length(v.y));"
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"else"
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" if(i==2)"
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"d(v.x,20.),d(v.y,20.),z=length(v)-1.;"
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"else"
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" d(v.x,32.),d(v.y,64.),v.y=length(v.y)-20.,z=v.y<0.?length(v.x):length(v);"
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"return 4.*smoothstep(6.,0.,z);"
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"}"
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"float b(vec2 v,float y,float z)"
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"{"
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"d(v.x,y);"
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"v.x=abs(v.x);"
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"v.y=mod(v.y*3.+x*z,1.);"
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"float i=v.x*.02-step(.5,v.y)-step(.7,v.y);"
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"return step(.005,i);"
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"}"
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"vec3 F(vec2 y)"
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"{"
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"float v=b(y+vec2(.1,0.),.6,5.);"
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"v=max(v,b(y+vec2(-.2,0.),.6,-3.));"
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"return vec3(1.,1.,.3)*v;"
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"}"
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"void C(vec3 y)"
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"{"
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"c=vec3(.2,.6,.8);"
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"r=.3;"
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"s.y=1.5;"
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"float v=h(y);"
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"if(v>o(y))"
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"v=o(y),c=vec3(.1,.1,.1),r=.7,s.y=.15;"
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"if(v>t(y))"
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"v=t(y),c=vec3(1.,.2,.2),r=.3,s.y=0.;"
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"if(v>u(y))"
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"c=vec3(.4,.4,.4),r=.1,m=2;"
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"}"
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"void C(vec3 x,float v)"
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"{"
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"n+=x*l,l*=v;"
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"}"
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"void main()"
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"{"
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"y=v.x;"
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"x=v.y;"
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"e=v.y;"
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"vec3 i=vec3(.8,f.yx-.5),a;"
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"if(y==0.)"
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"a=vec3(x*120.-120.,-24.,0.),i.xy=h(i.xy,x-.9);"
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"else"
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" if(y==1.)"
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"a=vec3(0.,5.,-2.),i.xy=h(i.xy,-.4),i.xz=h(i.xz,x),e=v.y*v.y;"
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"else"
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" if(y==2.)"
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"a=vec3(-25.,0.,x*20.-19.),i.xy=h(i.xy,-.2);"
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"else"
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" if(y==3.)"
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"a=vec3(-x*200.+140,-2.,5.),i.xy=h(i.xy,x-.8),i.xz=h(i.xz,3.14);"
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"else"
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" if(y==4.)"
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"a=vec3(0.,40.,x*8.),i.xy=h(i.xy,-x),e=0;"
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"else"
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" if(y==5.)"
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"a=vec3(0.,40.,x*-64.+56.),i.xy=h(i.xy,-1.),e=.4*v.y*v.y;"
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"else"
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" if(y==8.)"
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"a=vec3(8.,8.,x*24.-32.),i.xy=h(i.xy,-.3),i.xz=h(i.xz,x),e=0;"
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"else"
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" if(y==9.)"
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"a=vec3(x*8.,16.,0.),i.xy=h(i.xy,-x-.5),e=v.y*v.y;"
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"else"
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" if(y==10.)"
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"a=vec3(2.,x*4.+2.,x*12.+4.),i.xy=h(i.xy,-.2),i.xz=h(i.xz,-x);"
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"else"
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" if(y==11.)"
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"a=vec3(x*64.+48.,x*-4.+6.,x*64.-56.),i.xy=h(i.xy,-.2),i.xz=h(i.xz,x),e=4.*v.y;"
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"else"
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" if(y==12.)"
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"a=vec3(30.,-8.,-8.),i.xy=h(i.xy,.2),i.xz=h(i.xz,-x+3.),e=.4*v.y*v.y;"
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"else"
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" if(y==13.)"
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"a=vec3(-60.,12.,0.),i.xy=h(i.xy,x-1.);"
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"i=normalize(i);"
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"n=vec3(0.,0.,0.);"
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"l=1.;"
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"float d=0.,u,k;"
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"m=0;"
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"while(m++<2)"
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"{"
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"for(r=1.;d<250.&&r>d*.003;d+=r,w=i*d)"
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"r=g(a+w);"
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"vec3 t=a+w;"
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"float o=0.,F=50.;"
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"if(a.y<F&&t.y>F)"
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"{"
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"float Z=(a.y-F)/(a.y-t.y);"
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"a+=w*Z;"
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"o=b(a.xz)*smoothstep(220.,0.,Z*d);"
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"}"
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"a=t;"
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"s=vec2(.04,0.);"
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"vec3 Z=vec3(g(a+s.xyy)-g(a-s.xyy),g(a+s.yxy)-g(a-s.yxy),g(a+s.yyx)-g(a-s.yyx));"
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"Z=normalize(Z);"
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"C(a);"
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"float Y=.45+.4*dot(Z,vec3(0,1.,0));"
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"C(vec3(1.,1.,1.)*o,1.-o);"
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"z=smoothstep(0.,128.,d);"
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"C(p*z,1.-z);"
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"if(d>250.)"
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"{"
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"break;"
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"}"
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"i=reflect(i,Z);"
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"u=6.;"
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"for(k=1.;u>0.;u--)"
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"k-=(u*.5-g(a+Z*u*.5))/exp2(u);"
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"c*=k*Y;"
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"n+=l*c;"
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"l*=r;"
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"d=.5;"
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"w=i*d;"
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"}"
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"gl_FragColor.xyz=n;"
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"}";
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#endif // MARK_0_H_
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