192 lines
6.8 KiB
C
192 lines
6.8 KiB
C
#pragma once
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#pragma data_seg(".shaders")
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static char* fsh =
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"#define ve return\n" // Line 1
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"#define ec float\n" // Line 1
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"varying vec4 Y;" // Line 6
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"varying vec2 Z;" // Line 9
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"vec4 R(vec3 n,vec3 m,int k);" // Line 12
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"vec3 T(vec4 j,vec3 l,vec3 m);" // Line 13
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"vec3 f,b,a,h,e,d,X;" // Line 17
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"ec g,W,c,V,U;ec A(vec2 j){" // Line 18
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"int i=int(j.x*40+j.y*6400);" // Line 24
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"i=(i<<13)^i;" // Line 25
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"ve 1-ec((i*(i*i*15731+789221)+1376312589)&0x7fffffff)/1073741824;}ec B(vec2 k){" // Line 26
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"k=mod(k,1000.);" // Line 33
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"vec2 i=fract(k);" // Line 34
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"k-=i;" // Line 35
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"vec2 j=i*i*(3.-2.*i);" // Line 36
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"ve mix(" // Line 37
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"mix(A(k+vec2(0,0)),A(k+vec2(1,0)),j.x)," // Line 38
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"mix(A(k+vec2(0,1)),A(k+vec2(1,1)),j.x),j.y);}ec C(ec i){" // Line 39
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"ve i*.5+.5;}ec D(ec k,ec l,ec j){" // Line 46
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"ec i=(" // Line 53
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"C(sin(c*2*(k+l+Y.y*j)))+" // Line 54
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"C(sin(c*(l-k-Y.y*j)))+" // Line 55
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"C(sin(c*(l+Y.y*j)))+" // Line 56
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"C(sin(c*3*(k-Y.y*j))))*.3;" // Line 57
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"ve pow(i,2.);}vec3 E(vec3 j){" // Line 58
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"int i=int(mod(gl_FragCoord.x,3.));" // Line 65
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"if(i==0)j*=X.xyz;" // Line 66
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"if(i==1)j*=X.yzx;" // Line 67
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"if(i==2)j*=X.zxy;" // Line 68
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"ve mix(j,vec3(C(B(Z*333+A(vec2(Y.y))*33333))),Y.x*.3+.03);}vec3 F(vec3 i){" // Line 69
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"vec2 j=Z*2-1;" // Line 76
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"ec k=j.x*(j.y+3);" // Line 77
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"ve i+a*" // Line 78
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"D(k+50*e.x,k+50*e.z,1.5)*" // Line 79
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"(C(j.y))*min(-e.y*30,.3);}ec G(vec2 i){" // Line 80
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"ve (-.035+pow((D(i.x*10,i.y*10,.0)*2-1),2.)*.05)" // Line 87
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"-(i.x-.1)*.2;}vec3 H(vec3 i){" // Line 88
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"ve normalize(vec3(" // Line 95
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"G(i.xz-vec2(U,0))-G(i.xz+vec2(U,0))," // Line 96
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"2*U," // Line 97
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"G(i.xz-vec2(0,U))-G(i.xz+vec2(0,U))));}vec3 I(vec3 i,vec3 j){" // Line 98
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"ve (.3+.7*max(dot(j,b),.0))*a*i;}vec3 J(vec3 i){" // Line 105
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"ve normalize(vec3(" // Line 112
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"D(i.x*160-cos(i.z*10)*12,i.z*140,4.)," // Line 113
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"8," // Line 114
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"D(i.z*160-sin(i.x*10)*12,i.x*140,4.))*2-1);}vec3 K(vec3 k,vec3 l){" // Line 115
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"vec3 j=H(k);" // Line 122
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"vec3 i=mix(" // Line 123
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"vec3(.66,.55,.4)" // Line 125
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"-.2*B(abs(k.xz*150))" // Line 128
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"-.2*B(abs(k.yy+.002*B(abs(k.xz*150)))*3000)," // Line 131
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"vec3(.1,.3,0)*(B(k.xz*7000.)*.4+.5)," // Line 134
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"clamp(j.y*(D(k.x*111,k.z*111,.0)*.5-k.y*40),.0,1.));" // Line 137
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"if(k.y<=0)" // Line 140
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"i+=5*J(.8*k).x*min(.3,-k.y*8);" // Line 141
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"ve I(i,j);}vec3 L(vec3 j,vec3 i){" // Line 144
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"ve j.y<=-V*V?" // Line 151
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"h:" // Line 152
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"mix(vec3(-.5,-.25,0),vec3(2),1-(i.y*.5+.5));}vec3 M(vec3 k,vec3 j){" // Line 153
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"vec3 m=J(k);" // Line 162
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"vec4 l=R(k,refract(j,m,.9),2);" // Line 166
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"ec i=clamp(pow(1.03*(1-length(l.xyz-k)),16.),.0,1.);" // Line 169
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"ve mix(" // Line 172
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"e.y<0?L(k,j):h," // Line 173
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"mix(" // Line 174
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"T(R(k,reflect(j,m),2),k,j)," // Line 175
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"T(l,k,j)," // Line 176
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"clamp(-d.y+i,.0,1.))," // Line 177
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"l.w==3.?.5:pow(i,.5));}vec3 N(vec3 k,vec3 l){" // Line 178
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"vec3 j,i;" // Line 186
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"j=normalize(k-f);" // Line 189
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"vec2 m=.5+.5*vec2(atan(j.z,j.x),acos(j.y))/c;" // Line 192
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"m.x-=Y.y;" // Line 195
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"i=mix(vec3(1),vec3(1,0,0),mod(step(fract(m.x*6),.5)+step(fract(m.y*6),.5),2.));" // Line 198
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"ve I(i,j)" // Line 200
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"+pow(max(dot(j,normalize(b-l)),.0),33.)*a;}ec O(vec3 n,vec3 m,ec l){" // Line 201
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"ec i,j,k,p;" // Line 209
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"i=0;" // Line 210
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"vec3 o=n;" // Line 211
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"for(ec q=0;q<l;q+=i)" // Line 214
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"{" // Line 215
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"o+=m*i;" // Line 217
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"p=o.y;" // Line 218
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"ec r=G(o.xz);" // Line 221
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"if(p<=r)" // Line 223
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"{" // Line 224
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"ve q-i+i*(j-k)/(p-r+j-k);}" // Line 227
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"j=r;" // Line 232
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"k=p;" // Line 233
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"i=.002+(q/W);}" // Line 237
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"ve 9.;}ec P(vec3 m,vec3 l){" // Line 241
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"vec3 k=m-f;" // Line 248
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"ec i,j;" // Line 249
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"i=dot(k,l);" // Line 250
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"if(i>0)" // Line 251
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"ve 9.;" // Line 252
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"j=i*i-dot(k,k)+g*g;" // Line 253
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"if(j>0)" // Line 254
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"{" // Line 255
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"ve -i-sqrt(j);}" // Line 256
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"ve 9.;}ec Q(vec3 j,vec3 i){" // Line 258
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"ec k=-j.y/i.y;" // Line 265
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"ve k>=V?k:9.;}vec4 R(vec3 n,vec3 m,int k){" // Line 266
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"ec p,i,o,l;" // Line 278
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"p=k!=2?Q(n,m):9.;" // Line 281
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"i=k!=3?P(n,m):9.;" // Line 282
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"o=k!=1?O(n,m,min(.5,.002+min(p,i))):9.;" // Line 283
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"W/=20;" // Line 286
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"l=min(o,min(p,min(i,9.)));" // Line 289
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"if(l==9)" // Line 292
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"ve vec4(0);" // Line 293
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"vec3 j=n+m*l;" // Line 296
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"if(l==o)" // Line 299
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"ve vec4(j,1);" // Line 300
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"if(l==p)" // Line 301
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"ve vec4(j,2);" // Line 302
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"if(l==i)" // Line 303
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"ve vec4(j,3);}vec3 S(vec4 j,vec3 l,vec3 m){" // Line 304
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"vec3 k=l.y<V?h:L(e,m);" // Line 315
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"ec i=clamp(length(j.xyz-l)*(e.y<=0?4:2),.0,1.);" // Line 318
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"if(j.w==1)" // Line 322
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"ve mix(K(j.xyz,m),k,i);" // Line 323
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"if(j.w==2)" // Line 324
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"ve mix(M(j.xyz,m),k,i);" // Line 325
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"if(j.w==3)" // Line 326
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"ve mix(" // Line 327
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"mix(N(j.xyz,m),T(R(j.xyz,reflect(m,normalize(j.xyz-f)),3),j.xyz,m),.5)" // Line 329
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",k,i);" // Line 330
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"ve L(l,m);}vec3 T(vec4 j,vec3 l,vec3 m){" // Line 332
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"vec3 k=l.y<V?h:L(e,m);" // Line 341
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"ec i=clamp(length(j.xyz-l)*(e.y<=0?4:2),.0,1.);" // Line 344
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"if(j.w==1)" // Line 347
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"ve mix(K(j.xyz,m),k,i);" // Line 348
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"if(j.w==2)" // Line 349
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"ve mix(h,k,i);" // Line 350
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"if(j.w==3)" // Line 351
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"ve mix(N(j.xyz,m),k,i);" // Line 352
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"ve k;}void main(){" // Line 354
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"W=100;" // Line 368
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"c=3.1416;" // Line 371
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"X=vec3(1.2,.9,.9);" // Line 372
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"V=.0001;" // Line 373
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"U=.01;" // Line 374
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"ec k=10;" // Line 377
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"int j=int(Y.y);" // Line 380
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"d=vec3((Z.xy-.5),1);" // Line 383
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"if(j>22&&j<27)" // Line 386
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"{" // Line 387
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"k=min(1.,sin((Y.y-23)*c*.25)*12);" // Line 388
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"e=vec3(.12,.005,Y.y*.08);" // Line 389
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"d=vec3(gl_ModelViewMatrix*vec4(d,1));" // Line 390
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"d.y+=.1*cos(Y.y*4);}" // Line 391
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"else if(j>14&&j<23)" // Line 394
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"{" // Line 395
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"k=min(1.,sin((Y.y-15)*c*.125)*24);" // Line 396
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"d+=vec3(0,.1*cos(Y.y*4),0);" // Line 397
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"e=vec3(.08,.01*sin(Y.y*4)+.002,Y.y*.11);}" // Line 398
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"else " // Line 402
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"{" // Line 403
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"e=vec3(.1,.004,.0)+vec3(.1,.005,20)" // Line 405
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"*vec3(A(vec2(j,k++)),A(vec2(j,k++)),A(vec2(j,k++)));" // Line 406
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"e=mix(" // Line 409
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"e+vec3(.008)*vec3(A(vec2(j,k++)),A(vec2(j,k++)),A(vec2(j,k++)))," // Line 410
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"e+vec3(.008)*vec3(A(vec2(j,k++)),A(vec2(j,k++)),A(vec2(j,k++)))," // Line 411
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"Y.y-j);" // Line 413
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"e.y+=G(e.xz)+.02;" // Line 416
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"e+=.02*H(e);" // Line 419
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"k=min(1.,step(-28.,-Y.y)*sin((Y.y-j)*c)*3);}" // Line 422
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"d=normalize(d);" // Line 425
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"if(j>22&&j<27)" // Line 429
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"f=e+.1*vec3(gl_ModelViewMatrix*vec4(0,0,1,1));" // Line 430
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"else " // Line 432
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"f=e+.02*vec3(sin(Y.y),0,5+cos(Y.y));" // Line 433
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"f.y+=.01+G(f.xz);" // Line 435
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"g=j<14?.0:U*.5+U*Y.z;" // Line 436
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"f+=2*g*H(f);" // Line 437
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"b=vec3(.58,.58,-.58);" // Line 440
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"a=vec3(1.2);" // Line 441
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"h=vec3(.3,.33,.4);" // Line 442
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"if(e.y<=0)" // Line 445
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"{" // Line 446
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"W*=.75;" // Line 448
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"a*=.8;}" // Line 451
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"vec3 i=S(R(e,d,0),e,d);" // Line 455
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"if(e.y<=0)" // Line 459
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"i=F(i);" // Line 460
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"gl_FragColor.xyz=E(step(2.,Y.y)*k*i);}";
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