// BEGIN: shadertoy porting template // https://gam0022.net/blog/2019/03/04/porting-from-shadertoy-to-glslsandbox/ precision highp float; uniform vec2 resolution; uniform float time; uniform vec2 mouse; #define iResolution resolution #define iTime time #define iMouse mouse void mainImage(out vec4 fragColor, in vec2 fragCoord); void main(void) { vec4 col; mainImage(col, gl_FragCoord.xy); gl_FragColor = col; } ////////////////////////////////// new code Drake Shadertoy pampa3 Start #define trail #define letterboxfullscreen //#define startinlake // //#define noplane //#define onlymouse #define resolution iResolution #ifdef startinlake #define time mod(iTime*.83+120.,200.) #else #define time mod(iTime*.83,200.) #endif float hashseed=0.; float det=.01; float maxdist=40.; vec3 objcol; vec3 ldir; float id=0.,oc=1.,dcab=0.,t=0.,h=0.,speed=0.,baja=0.,ref=0.; vec3 pos, pfus, pmot, pcab, parm, pwin, ptim, ptai, tpos ,pos20,pp20, pos30, pp30 ; vec3 ppos=vec3(0.),ppos2=vec3(0.); vec3 ppos20 =vec3(10.*0.,-8.*0.,-1.08*0.),ppos22=vec3(10.*0.,-8.*0.,-1.08*0.) ; vec3 ppos30 =vec3(0.,0.,0.),ppos32=vec3(0.,0.,0.) ; mat2 rotyz, rotxy, rotxz; float hash(float p) { p = fract(p * 0.011); p *= p + 7.5; p *= p + p; return fract(p); } float hash(vec2 p) {vec3 p3 = fract(vec3(p.xyx) * 0.13); p3 += dot(p3, p3.yzx + 3.333); return fract((p3.x + p3.y) * p3.z); } float interhash(float seed, float t) { t+=hash(seed+hashseed)*123.; return mix(hash(floor(t)),hash(floor(t+1.)),smoothstep(.3,1.,fract(t))); } float path(float t) { return sin(t+cos(t*.5687))*.5; } mat2 rot(float a) { float s=sin(a),c=cos(a); return mat2(c,s,-s,c); } float smin( float a, float b, float k ) { float h = max( k-abs(a-b), 0.0 )/k; return min( a, b ) - h*h*k*(1.0/4.0); } float ssub ( float d1, float d2, float k ) { float h = clamp( 0.5 - 0.5*(d2+d1)/k, 0.0, 1.0 ); return mix( d2, -d1, h ) + k*h*(1.0-h); } float box( vec3 p, vec3 b, float r ) { vec3 q = abs(p) - b; return length(max(q,0.0)) + min(max(q.x,max(q.y,q.z)),0.0) - r; } float capsule( vec3 p, float h, float r ) { p.z -= clamp( p.z, 0.0, h ); return length( p ) - r; } float elipse( vec3 p, vec3 r ) { float k0 = length(p/r); float k1 = length(p/(r*r)); return k0*(k0-1.0)/k1; } float cabina(vec3 p) { p.z+=1.9; p.y-=1.; p.y+=pow(max(0.,-p.z+1.)*.31,2.); p.y-=pow(max(0.,-p.z+3.5)*.3,1.5)*.1; float d=elipse(p,vec3(.35,.5,2.9)); pcab=p; dcab=d; return d*.8; } float fuselaje(vec3 p, float cab) { vec3 p2=p; p.z+=5.5; p.y-=smoothstep(2.,0.,p.z)*.2*abs(p.y); p.y-=smoothstep(0.,4.,p.z)*.3; p.y*=1.+smoothstep(4.,0.,p.z)*.2; p.y-=smoothstep(2.,5.2,p.z)*.5*max(0.,p.y); p.y-=min(.5,max(0.,p.z-5.2)*.06); p.y*=1.+smoothstep(4.,13.,p.z)*.5; p.y-=smoothstep(6.,9.,p.z)*.7*max(0.,-p.y+.3); p.z*=1.+min(.2,max(0.,p.z-10.5-p.y)*.3); vec3 t=vec3(.55,.7,5.5); t.y*=1.-smoothstep(2.,11.,p.z)*.4; p.x*=1.+smoothstep(8.,9.,p.z)*.25; p.z-=5.5; float d=elipse(p,t); pfus=p; p2.y+=.1; d=max(d,-length(p2.xy)+.7*step(0.,p2.z)); oc*=step(0.,d+.2); d=max(d,-cab); return d*.5; } float motor(vec3 p) { p*=1.05; p.z-=.4; p.y-=.25+exp(-5.*abs(p.x))*.1*smoothstep(2.,0.,p.z)+p.z*.03; float h=length(pow(abs(p.xy),vec2(1.5))*vec2(1,3.))-.62+max(0.,p.z+1.); h=min(h,length(p.xy)-.27); float sc=1.+min(2.,pow(max(0.,p.z+2.3)*.23,3.)); p.x*=sc; p.y*=1.+min(.5,pow(abs(p.z)*.37,6.)); p.y*=1.+min(1.,pow(max(0.,p.z+1.),2.)*.05); p.x*=1.+min(1.,pow(abs(p.y),2.5)); float d=box(p,vec3(.65,.45,2.3),.2+max(0.,p.z)*.05); oc*=max(0.,sign(d+.1)); d=ssub(h,d,.1*step(0.,-p.z)); pmot=p; return d*.5/sc; } float alas(vec3 p) { p.y-=1.2-abs(p.x)*.07; p.z-=.3; p.x+=smoothstep(0.,1.8,-p.z)*sign(p.x); float w=abs(p.x)*.1; p.y*=.7+min(1.5,pow(abs(p.z+.3),3.)+abs(p.x)*.3); float d=box(p,vec3(4.5,-.1,.9-w),.2); p.z+=w; pwin=p; return d*.4; } float cola(vec3 p) { p.y-=1.-abs(p.x)*.15; p.z-=4.; p.z-=abs(p.x)*.3*smoothstep(-.2,0.2,-p.z); float w=abs(p.x)*.1; p.y*=.7+min(1.,pow(abs(p.z+.3),3.)+abs(p.x)*.5); float d=box(p,vec3(1.7,-.13,.5),.2); ptai=p; return d*.5; } float timon(vec3 p) { p.y-=1.; p.z-=3.8; p.z-=p.y*(step(p.z-.5,0.)+1.)*.4;; float d=box(p,vec3(-.05-p.z*.02,1.5,.8),.1); d=max(d,-p.y); ptim=p; return d*.5; } float arma1(vec3 p) { p.y-=.3; float b=box(p-vec3(0,0,p.y*.5),vec3(.0,.2,.35),0.05); p.y+=.3; p.z+=.9; p.z-=length(p.xy)*.5; float c=capsule(p,1.3,.23); float d=min(b,c); objcol+=max(0.,sign(.1-d))*vec3(1,0,0); return d*.5; } float armas(vec3 p) { vec3 p2=p; p.x=abs(p.x)-1.5; p.y-=.7; p2.x=abs(p2.x)-2.; p2.z-=.2; p2.y-=.45; float ar2=arma1(p2); parm=p2; return ar2; } /// Simple noise algorithm by Trisomie21 float snoise( vec2 p ) { p.y-=hashseed*100.; p.xy=p.yx; vec2 f = fract(p); p = floor(p); float v = p.x+p.y*1000.0; vec4 r = vec4(v, v+1., v+1000.0, v+1001.); r = fract(12345.*sin(r*.001)); f = f*f*(3.0-2.0*f); return 2.0*(mix(mix(r.x, r.y, f.x), mix(r.z, r.w, f.x), f.y))-1.0; } float terrain( vec2 p) { float h = 0.0; float w = .5; float m = .5; for (int i=0; i<5; i++) { h += w * snoise((p * m)); w *= .25; m *= 4.; } return h; } float terrain(vec3 p) { if (p.y>2.) return p.y+2.; p.z+=time*3.; float ini=smoothstep(100.,70.,p.z); p.x+=ini*4.5; p.y+=.4+smoothstep(120.*3.,130.*3.,p.z)*.65; p.x-=path(p.z); h = terrain(p.xz*vec2(.5,1.)) * 1.2; h += smoothstep(-0.3, 1.5, h); h*=1.-ini*.7; float ap=.3+max(0.,sin(p.z*.05+cos(p.z*.123)*.0))*.5; h=mix(h,-1.,exp(-ap*(abs(p.x-.5*snoise(p.zz*.5))))); float d = p.y - h; tpos=p; return d*.5; } float pampa(vec3 p) { // first Pampa p.z+=2.8*0.5*2. ; // to back => 0 point(genntenn) p.y-=.8; p.yz*=rotyz; // p.xz*=rotxz; p.z-=2.8*1.5/1.5; // to front => 0 point p.y+=.8; p.xy*=rotxy; float bound=box(p,vec3(5.,3.,6.),0.); #ifdef noplane bound=box(p,vec3(1.,1.,2.3),0.);id=1.;return bound; #endif if (bound>.65) return bound+.65; objcol=vec3(1.); p.z*=-1.05; float cab=cabina(p); float fus=fuselaje(p,cab); float mot=motor(p); float win=alas(p); float tai=cola(p); float tim=timon(p); cab=abs(cab)-.02; float arm=armas(p); float d=smin(fus,cab,max(.001,.02*p.z)); d=min(d,mot); d=min(d,win); d=min(d,tai); d=min(d,tim); d=min(d,arm); if (d==fus) id=0.; //if(d==fus) id =20.; if (d==mot) id=1.; if (d==cab) id=2.; if (d==win) id=3.; if (d==tai) id=4.; if (d==tim) id=5.; if (d==arm) id=6.; float t=step(abs(pcab.z+.3*0.2-pcab.y*.5*0.),.07*1.3); t=max(t,step(abs(pcab.z+1.4*0.7+pcab.y*.3),.05*1.3)); id-=step(1.,t); id=max(0.,id); pos=p; return d*1.2; } ////////////////////////////// second pampa20 float pampa20(vec3 p) { p.z+=2.8*3.; // to back p.y-=.8; // p.yz*=rotyz; // p.xz*=rotxz; p.z-=2.8*0.; p.y+=-.8*3.; p.x -=6.*1.; // y-0.8*2=x up // y=x-6 to right p.xy*=rotxy; float bound=box(p,vec3(5.,3.,6.),0.); #ifdef noplane bound=box(p,vec3(1.,1.,2.3),0.);id=1.;return bound; #endif if (bound>.65) return bound+.65; objcol=vec3(1.); p.z*=-1.05; float cab20=cabina(p); float fus20=fuselaje(p,cab20); float mot20=motor(p); float win20=alas(p); float tai20=cola(p); float tim20=timon(p); cab20=abs(cab20)-.02; float arm20=armas(p); float d=smin(fus20,cab20,max(.001,.02*p.z)); d=min(d,mot20); d=min(d,win20); d=min(d,tai20); d=min(d,tim20); d=min(d,arm20); if (d==fus20) id=20.; if (d==mot20) id=21.; if (d==cab20) id=22.; if (d==win20) id=23.; if (d==tai20) id=24.; if (d==tim20) id=25.; if (d==arm20) id=26.; float t=step(abs(pcab.z+.3*0.2-pcab.y*.5*0.),.07*1.3); t=max(t,step(abs(pcab.z+1.4*0.7+pcab.y*.3),.05*1.3)); id-=step(1.,t); id=max(0.,id); pos20=p; // pos =p; first return d*1.2; } ////////////////////////////// pampa20 end ////////////////////////////// Pampa 30 start float pampa30(vec3 p) { p.z+=2.8*3.*1.5; // to back p.y-=.8; // p.yz*=rotyz; // p.xz*=rotxz; p.z-=2.8*0.; p.y+=-.8*3.*1.3; p.x -=-6.*1.; // y-0.8*2=x up // y=x-6 to right p.xy*=rotxy; float bound=box(p,vec3(5.,3.,6.),0.); #ifdef noplane bound=box(p,vec3(1.,1.,2.3),0.);id=1.;return bound; #endif if (bound>.65) return bound+.65; objcol=vec3(1.); p.z*=-1.05; float cab30=cabina(p); float fus30=fuselaje(p,cab30); float mot30=motor(p); float win30=alas(p); float tai30=cola(p); float tim30=timon(p); cab30=abs(cab30)-.02; float arm30=armas(p); float d=smin(fus30,cab30,max(.001,.02*p.z)); d=min(d,mot30); d=min(d,win30); d=min(d,tai30); d=min(d,tim30); d=min(d,arm30); if (d==fus30) id=30.; if (d==mot30) id=31.; if (d==cab30) id=32.; if (d==win30) id=33.; if (d==tai30) id=34.; if (d==tim30) id=35.; if (d==arm30) id=36.; float t=step(abs(pcab.z+.3*0.2-pcab.y*.5*0.),.07*1.3); t=max(t,step(abs(pcab.z+1.4*0.7+pcab.y*.3),.05*1.3)); id-=step(1.,t); id=max(0.,id); pos30=p; // pos =p; first pos20 , pos30 return d*1.2; } ////////////////////////////// 30 end float water(vec3 p) { p.z+=time*3.*1.5; p.x-=path(p.z); p.x*=2.; return (p.y+1.75+snoise(p.xz*20.+time*0.)*.0002)*.9; } vec2 contrail(vec3 p) { vec3 pp=p-ppos; float t2=(tpos.z/3.)*speed-2.+.04*speed; float chx=(interhash(0.,t2)-.5)*4.5; float chy=.8+(interhash(-10.,t2*.75)-.5)*1.5+.018-baja; float w=.003+min(.05,-pp.z*.005)*2.; w=min(.03,w); float chorro=length(p.xy-vec2(chx,chy))-snoise(tpos.zz*15.)*w*.4; chorro=max(.003,abs(chorro)); chorro=max(chorro,pp.z-.1); // trail x axis start pos chorro=max(chorro,-pp.z-14.); // trail end pos return vec2(chorro,w); } ////////////////////////////////////////// second trail vec2 contrail20(vec3 p) { vec3 pp20=p-ppos20; float t2=(tpos.z/3.)*speed-2.+.04*speed; float chx20=(interhash(0.,t2)-.5)*4.5 +0.3*1.0 ; // 0.5*0. trail x axis float chy20=.8+(interhash(-10.,t2*.75)-.5)*1.5+.018-baja +0.10*1.5 ; //0.10 trail y axis float w20=.003+min(.05,-pp20.z*.005)*2. ; // 0.5*2. z axis w20=min(.03,w20); float chorro20=length(p.xy-vec2(chx20,chy20))-snoise(tpos.zz*15.)*w20*.4; chorro20=max(.003,abs(chorro20)); chorro20=max(chorro20,pp20.z-(-.3*2.0 )); // z axis start pos of trail // chorro20=max(chorro20,-pp20.z-14.); return vec2(chorro20,w20); } ////////////////////////////////////////// second end ////////////////////////////////////////// third start vec2 contrail30(vec3 p) { vec3 pp30=p-ppos30; float t2=(tpos.z/3.)*speed-2.+.04*speed; float chx30=(interhash(0.,t2)-.5)*4.5 -0.3*1.0 ; // 0.5*0. trail x axis float chy30=.8+(interhash(-10.,t2*.75)-.5)*1.5+.018-baja +0.10*1.9 ; //0.10 trail y axis float w30=.003+min(.05,-pp30.z*.005)*2. ; // 0.5*2. z axis w30=min(.03,w30); float chorro30=length(p.xy-vec2(chx30,chy30))-snoise(tpos.zz*15.)*w30*.4; chorro30=max(.003,abs(chorro30)); chorro30=max(chorro30,pp30.z-(-.3*2.0*1.3 )); // z axis start pos of trail // chorro20=max(chorro20,-pp20.z-14.); return vec2(chorro30,w30); } ///////////////////////////////////////// third trail end float de(vec3 p) { vec3 pos=p-ppos; float pam=pampa(pos*20.)/20.; float ter=terrain(p/1.5)*1.5; float wat=water(p); float d=min(wat,ter); vec3 pos20=p-ppos20; float pam20=pampa20(pos20*20.)/20.; d=min(d,pam20); //////////////////////////// second // vec3 pos20=p-ppos20; // float pam20=pampa20(pos20*20.)/20.; d=min(d,pam); /////////////////////////// second end ////////////////////////// third start vec3 pos30=p-ppos30; float pam30=pampa30(pos30*20.)/20.; d = min( d,pam30) ; ////////////////////////// 3 end if (d==ter) id=-1.; if (d==wat) id=-2.; return d; } float ao(vec3 p, vec3 n) { float st=.05; float ao=0.; for(float i=0.; i<8.; i++ ) { float td=.02+st*i; float d=de(p+n*td); ao+=max(0.,(td-d)/td); } return clamp(1.-ao*.15,0.,1.); } float shadows(vec3 p, vec3 ldir) { float td=.0,sh=1.,d=.01,dt; for (int i=0; i<50; i++) { p+=ldir*d; float map=de(p); vec2 ctrail=contrail(p); dt=ctrail.x-ctrail.y*1.5+.05; d=min(map,dt); td+=d; if (dt<.05&&map>.01) { sh=.6+ctrail.y*8.; break; } if (d<.002) { sh=.5; break; } if (td>maxdist) break; } return clamp(sh,0.5,1.); } vec3 normal3(vec3 p) { vec2 e=vec2(0.,det*.5); return normalize(vec3(de(p+e.yxx),de(p+e.xyx),de(p+e.xxy))-de(p)); } /// normal hack by Shane to reduce compilation time /*vec3 normal(vec3 pos) { vec2 e=vec2(0.,det*.5); vec3[4] ev = vec3[4](e.yxx, e.xyx, e.xxy, e.xxx-.000001); vec3 nn = vec3(0); for(int i = 0; i<4; i++){ nn += sign(ev[i])*de(pos + ev[i]); if(nn.x<-1e8) break; // Fake break. } return normalize(nn); }*/ vec3 normal2(vec3 p) { vec2 e=vec2(0.,det*.5); return normalize(vec3(water(p+e.yxx),water(p+e.xyx),water(p+e.xxy))-water(p)); } float noise(vec3 x) { const vec3 step = vec3(110, 241, 171); vec3 i = floor(x); vec3 f = fract(x); float n = dot(i, step); vec3 u = f * f * (3.0 - 2.0 * f); return mix(mix(mix( hash(n + dot(step, vec3(0, 0, 0))), hash(n + dot(step, vec3(1, 0, 0))), u.x), mix( hash(n + dot(step, vec3(0, 1, 0))), hash(n + dot(step, vec3(1, 1, 0))), u.x), u.y), mix(mix( hash(n + dot(step, vec3(0, 0, 1))), hash(n + dot(step, vec3(1, 0, 1))), u.x), mix( hash(n + dot(step, vec3(0, 1, 1))), hash(n + dot(step, vec3(1, 1, 1))), u.x), u.y), u.z); } const mat3 m3 = mat3( 0.00, 0.80, 0.60, -0.80, 0.36, -0.48, -0.60, -0.48, 0.64 ); float fbm(in vec3 q) { float f = 0.5000*noise( q ); q = m3*q*2.01; f += 0.2500*noise( q ); q = m3*q*2.02; f += 0.1250*noise( q ); q = m3*q*2.03; f += 0.0625*noise( q ); q = m3*q*2.04; return f; } vec3 pampaColors() { // first color vec3 base=vec3(117.,170.,219.)/255.; vec3 sec=vec3(1.,.7,.3); vec3 ter=mix(sec,base,(1.+cos(pos.z*3.))*.5); ter=base; vec3 col=mix(base,vec3(.9),smoothstep(.55,.6,max(noise(floor(pos*2.)),noise(floor(pos*4.))))); col=mix(col,base,abs(pmot.x)*.25); if (id==0.) { col=mix(col,ter,step(abs(pfus.x+(noise(pos*5.+4.)-.5)*.0),.2)); } if (id==2.) { //cab cockpit vec3 cab=vec3(.91); float t=step(.07,abs(pcab.z+.3-pcab.y*.5)); t=min(t,step(.05,abs(pcab.z+1.4+pcab.y*.3))); col=mix(ter,cab,t); } if (id==1.) { //motor col=mix(col,sec,step(2.1,-pmot.z)*step(0.,dcab-.1)); col=mix(col,sec,step(2.2,pmot.z)); } if (id==3.) { // wing pwin.x=abs(pwin.x); col=mix(col,sec,step(4.3,abs(pwin.x))); col-=step(abs(pwin.z-.7),.03)*.2*step(pwin.x,4.3); if (pwin.z>0.7) { col-=step(abs(pwin.x-3.5),.03)*.2; col-=step(abs(pwin.x-1.5),.03)*.2; } } if (id==4.) { ptai.x=abs(ptai.x); col=mix(col,sec,step(1.6,ptai.x)); col-=step(abs(ptai.z-.35),.03)*.2*step(ptai.x,1.2); col-=step(abs(ptai.x-1.2),.03)*.2; } if (id==5.) { col=mix(col,sec,step(1.3,ptim.y)); col-=step(abs(ptim.z-.5),.03)*.2*step(ptim.y,1.3); } if (id==6.) { col=mix(col,ter,step(length(parm.xy),.25)); } col*=.5+oc*.5; col*=1.05-noise(pos*20.)*.1; return col*vec3(1.,.95,.9); } //////////////////////////////////////////////// second color vec3 pampaColors20() { vec3 base=vec3(117.,170.,219.)/255.; vec3 sec=vec3(1.*0.1,.97,.93); vec3 ter=mix(sec,base,(1.+cos(pos20.z*3.))*.5); ter=base; vec3 col=mix(base,vec3(.9),smoothstep(.55,.6,max(noise(floor(pos20*2.)),noise(floor(pos20*4.))))); col=mix(col,base,abs(pmot.x)*.25); vec3 colg=mix(vec3(0.2,0.8,0.3),vec3(.9),smoothstep(.55,.6,max(noise(floor(pos20*2.)),noise(floor(pos20*4.))))); if (id==20.) { col=mix(col,ter,step(abs(pfus.x+(noise(pos20*5.+4.)-.5)*.0),.2)); } if (id==22.) { vec3 cab=vec3(.51); float t=step(.07,abs(pcab.z+.3-pcab.y*.5)); t=min(t,step(.05,abs(pcab.z+1.4+pcab.y*.3))); col=mix(ter,cab,t); } if (id==21.) { col=mix(colg,sec,step(2.1,-pmot.z)*step(0.,dcab-.1)); col=mix(col,sec,step(2.2,pmot.z)); } if (id==23.) { pwin.x=abs(pwin.x); col=mix(colg,sec,step(4.3,abs(pwin.x))); col-=step(abs(pwin.z-.7),.03)*.2*step(pwin.x,4.3); if (pwin.z>0.7) { col-=step(abs(pwin.x-3.5),.03)*.2; col-=step(abs(pwin.x-1.5),.03)*.2; } } if (id==24.) { ptai.x=abs(ptai.x); col=mix(colg,sec,step(1.6,ptai.x)); col-=step(abs(ptai.z-.35),.03)*.2*step(ptai.x,1.2); col-=step(abs(ptai.x-1.2),.03)*.2; } if (id==25.) { col=mix(colg,sec,step(1.3,ptim.y)); col-=step(abs(ptim.z-.5),.03)*.2*step(ptim.y,1.3); } if (id==26.) { col=mix(col,ter,step(length(parm.xy),.25)); } col*=.5+oc*.5; col*=1.05-noise(pos20*20.)*.1; return col*vec3(1.,.95,.9); } //////////////////////////////////////////////// second end /////////////////////////////////////////////// Color third start vec3 pampaColors30() { vec3 base=vec3(117.*2.,170.,219.)/255.; vec3 sec=vec3(1.,.7*0.1,.3); vec3 ter=mix(sec,base,(1.+cos(pos30.z*3.))*.5); ter=base; vec3 col=mix(base,vec3(.9),smoothstep(.55,.6,max(noise(floor(pos30*2.)),noise(floor(pos30*4.))))); col=mix(col,base,abs(pmot.x)*.25); if (id==30.) { col=mix(col,ter,step(abs(pfus.x+(noise(pos30*5.+4.)-.5)*.0),.2)); } if (id==32.) { vec3 cab=vec3(.51); float t=step(.07,abs(pcab.z+.3-pcab.y*.5)); t=min(t,step(.05,abs(pcab.z+1.4+pcab.y*.3))); col=mix(ter,cab,t); } if (id==31.) { col=mix(col,sec,step(2.1,-pmot.z)*step(0.,dcab-.1)); col=mix(col,sec,step(2.2,pmot.z)); } if (id==33.) { pwin.x=abs(pwin.x); col=mix(col,sec,step(4.3,abs(pwin.x))); col-=step(abs(pwin.z-.7),.03)*.2*step(pwin.x,4.3); if (pwin.z>0.7) { col-=step(abs(pwin.x-3.5),.03)*.2; col-=step(abs(pwin.x-1.5),.03)*.2; } } if (id==34.) { ptai.x=abs(ptai.x); col=mix(col,sec,step(1.6,ptai.x)); col-=step(abs(ptai.z-.35),.03)*.2*step(ptai.x,1.2); col-=step(abs(ptai.x-1.2),.03)*.2; } if (id==35.) { col=mix(col,sec,step(1.3,ptim.y)); col-=step(abs(ptim.z-.5),.03)*.2*step(ptim.y,1.3); } if (id==36.) { col=mix(col,ter,step(length(parm.xy),.25)); } col*=.5+oc*.5; col*=1.05-noise(pos30*20.)*.1; return col*vec3(1.,.95,.9); } /////////////////////////////////////////////// 3 color end vec3 terrainColors(vec3 p, vec3 n, float y) { vec3 col = mix( vec3(0.2, 0.18, 0.18)*.7, vec3(0.22, 0.19, 0.16)*.8, smoothstep(0.7, 1.0, n.y) *.5) * 3.; float r=snoise(p.xy*vec2(7., 50.0)*2.)*.8; col = mix( r*vec3(.5, 0.4, 0.4), col, n.y); float clear=smoothstep(.0,.07,h+.75); vec3 veg=vec3(.9, .77, .6)*.4; veg=mix(veg,vec3(1.1,.95,0.7)*.23,smoothstep(0.,.5,snoise(p.xz*.5))); veg*=(1.+snoise(p.xz*90.)*.3); col = mix( col, veg, clear*smoothstep(.8, .9, n.y) *smoothstep(1.,0.,snoise(p.xz+123.))); col*=1.-smoothstep(-.3,-1.2,p.y)*.7; return col*1.6; } vec3 shade(vec3 p, vec3 dir) { float y=tpos.y-h; float id2=id; vec3 n = normal3(p); vec3 col; float oc=1.; if (id<0.) col=terrainColors(tpos,n,y),oc=ao(p,n); else col=pampaColors() ; if( id>=20. && id<30. ) col =pampaColors20() ; // second color ad if( id >=30. ) col =pampaColors30() ; // 3 color ad float amb=max(.5,dot(-dir,n))*.5*oc; amb=.4*oc; float sh=1.; if (ref<.5) sh=shadows(p,ldir); float dif=max(0.,dot(ldir,n))*.6; vec3 refl=reflect(ldir,n); float spe=pow(max(0.,dot(dir,refl)),50.); if (id2!=2.) spe*=.3; if (id2<0.) spe*=.4; return col*(amb+dif*sh)+spe*sh*vec3(1.1,1.,.9); } vec3 shadeRiver(vec3 p, vec3 dir) { float sh=1.; vec3 n = normal2(p); float tr=smoothstep(120.*3.,130.*3.,tpos.z); vec3 col=mix(vec3(0.14,0.12,0.1)*2.,vec3(0.1,0.1,0.105)*3.3,tr); col+=smoothstep(.05,.0,tpos.y-h)*.2; vec3 refl=reflect(ldir,n); float spe=pow(max(0.,dot(dir,refl)),30.)*.55; return col*(.7+sh*.3)+spe; } vec3 shadeVid(vec3 p, vec3 dir) { vec3 cab=vec3(0.91,0.97,0.9) ; // de(0.1) (.91); float t=step(.07,abs(pcab.z+.3-pcab.y*.5)); t=min(t,step(.05,abs(pcab.z+1.4+pcab.y*.3))); vec3 col=cab; vec3 n = normal3(p); float amb=.4; float dif=max(0.,dot(ldir,n))*.5; vec3 refl=reflect(ldir,n); float spe=pow(max(0.,dot(dir,refl)),30.)*1.5; return col*(amb+dif)+spe*vec3(1.1,1.,.9); } vec3 march(vec3 from, vec3 dir, vec2 uv) { ldir = normalize(vec3(1,1.,1.5)); float d, td=0., td2=0., vid=0., g =0.,aro=g, chorro=1.; float g20=0., chorro20=1. ; float g30=0., chorro30=1. ; // 3 jet ad vec3 p=from, col=vec3(.0), colvid=col, shaderef=col, pp=p, pref=p, odir=dir; float h=hash(uv*1000.)*.1; for (int i=0; i<250; i++) { p+=d*dir; d=de(p)*(1.0-h); det=id<0.?.003:.0002; det*=1.0+pow(td,1.2)*.75; if (id==2.&&dmaxdist) break; pp=p-ppos; aro=max(abs(pp.y)-.005,abs(length(pp.xz)-.3)); if (time>1.5 && time < 8.) d=min(d,aro); #ifdef trail if (pp.z<-0.1&&p.z>-14.){ vec2 ctrail=contrail(p); float chorro=ctrail.x; float w=ctrail.y; d=min(d,chorro*(.5+w*17.)); g=max(g,max(0.,w-chorro)/w*smoothstep(-14.,0.,pp.z)*(1.-ref*.5) *smoothstep(-.07,-.35,pp.z)); } pp20 =p-ppos20; /////////////////////////////////////second if (pp20.z<-.1 &&p.z>-14.-2.5){ vec2 ctrail20=contrail20(p /*pp20*/); //which one? float chorro20=ctrail20.x; float w20=ctrail20.y ; d=min(d,chorro20*(.5+w20*17.)); g20=max(g20,max(0.,w20-chorro20)/w20*smoothstep(-14.,0.,pp20.z)*(1.-ref*.5) *smoothstep(-.07,-.35,pp20.z)); } ///////////////////////////////////// second end ///////////////////////////////////// 3 start pp30 =p-ppos30; if (pp30.z<-.1 &&p.z>-14.-2.5){ vec2 ctrail30=contrail30(p /*pp20*/); //which one? float chorro30=ctrail30.x; float w30=ctrail30.y ; d=min(d,chorro30*(.5+w30*17.)); g30=max(g30,max(0.,w30-chorro30)/w30*smoothstep(-14.,0.,pp30.z)*(1.-ref*.5) *smoothstep(-.07,-.35,pp30.z)); } ///////////////////////////////////// 3 end #endif td+=d; } float id2=id; float clou=0.; vec3 sky=mix(vec3(.75,.77,.85)*1.0,vec3(0.6,.7,.85)*.9,clamp(p.y*.07+.2,-.4,1.))*.8; sky+=pow(max(0.,dot(dir,ldir)),70.)*vec3(1.4,1.,.6)*.5; vec3 colref=vec3(0.); if (d.5) { shaderef=shadeRiver(pref,odir); colref=mix(shaderef,sky,td2/maxdist); } sky+=clou*step(td-.5,maxdist)*.3*vec3(1.,.85,.6)*(1.+ref*.7); col=mix(col,sky,pow(td/maxdist,1.5)); col=mix(col,colvid,vid*.5); if (ref>.5) col=colref*.5+col*.5; col=mix(col,col.ggg,smoothstep(1.,0.,t)); vec3 back = vec3(length(smoothstep(.8,1.,fract(uv*20.)))*.2); float b=max(-1.,1.5-time); float c=max(-1.,3.7-time); float li=smoothstep(.01,.0,abs(uv.x+.5-b))*step(abs(uv.y+.025),.425*min(1.,time*2.)); back+=li*step(.5,fract(sqrt(time*13332.654))); back+=hash(uv*1234.+time)*.2; if (time>2.5) { li=smoothstep(.01,.0,abs(uv.y+.5-c))*step(abs(uv.x+.025),.425*min(1.,time*2.)); back+=li*step(.5,fract(sqrt(time*13332.654))); } if (id2<0.||uv.x2.5&&uv.y.5) col=back; col=mix(col,back,step(time,9.5)*step(aro,d)*step(.5,fract(time*2.+1.*atan(pp.x,pp.z)))); g*=smoothstep(0.5,1.,t); col=mix(col,vec3(.85),g*.5); ////////////////////////////// second trail g20*=smoothstep(0.5,1.,t); col=mix(col,vec3(.95,0.76,0.3),g20 *.5); // red color ////////////////////////////// second trail end ///////////////////////////// 3 trail start g30*=smoothstep(0.5,1.,t); col=mix(col,vec3(.95,0.276,0.3),g30 *.5); // red color ///////////////////////////// 3 trail end return col; } mat3 lookat(vec3 dir,vec3 up) { dir=normalize(dir);vec3 rt=normalize(cross(dir,normalize(up))); return mat3(rt,cross(rt,dir),dir); } void mainImage( out vec4 fragColor, in vec2 fragCoord ) { hashseed=floor(time*.83/200.); vec2 uv = gl_FragCoord.xy/resolution.xy-.5; uv.x*=resolution.x/resolution.y; float fov=1.1; fragColor=vec4(0.); #ifdef letterboxfullscreen if (resolution.x>1500.&&abs(uv.y)>.37) return; if (resolution.x>1500.) fov=.8; #endif speed=.25; t=time*speed-2.; float start=smoothstep(0.,.5,t); float t1=t*start; float t2=time*speed+.13-2.; t2*=start; float z=-.65-interhash(11.,t1)*1.8; float xz=1.-interhash(22.,t1*.5)*5.; float yz=.3-interhash(33.,t1*.5)*1.1; ppos.x=(interhash(0.,t1)-.5)*4.5; // -0.5*0. ppos2.x=(interhash(0.,t2)-.5)*4.5; baja=smoothstep(125.,130.,time)*1.65; ppos.y=.8+(interhash(-10.,t1*.75)-.5)*1.5-baja; ppos2.y=.8+(interhash(-10.,t2*.75)-.5)*1.5-baja; rotyz=rot((ppos.y-ppos2.y)*.9); rotxy=rot((ppos.x-ppos2.x)*.8); rotxz=rot((ppos.x-ppos2.x)*.3); ////////////////////////////////////// second ppos20.x=(interhash(0.,t1)-.5)*4.5; // 2nd jet ppos22.x=(interhash(0.,t2)-.5)*4.5 +0.3; // 2nd trail baja=smoothstep(125.,130.,time)*1.65; ppos20.y=.8+(interhash(-10.,t1*.75)-.5)*1.5-baja;//2nd jet ppos22.y=.8+(interhash(-10.,t2*.75)-.5)*1.5-baja +0.15 ; //2nd trail rotyz=rot((ppos20.y-ppos22.y)*.9); rotxy=rot((ppos20.x-ppos22.x)*.8); rotxz=rot((ppos20.x-ppos22.x)*.3); ////////////////////////////////////// second end ////////////////////////////////////// 3 start ppos30.x=(interhash(0.,t1)-.5)*4.5; // 3 jet ppos32.x=(interhash(0.,t2)-.5)*4.5 -0.3; // 3ird trail baja=smoothstep(125.,130.,time)*1.65; ppos30.y=.8+(interhash(-10.,t1*.75)-.5)*1.5-baja;//3 jet ppos32.y=.8+(interhash(-10.,t2*.75)-.5)*1.5-baja+0.19 ; //3 trail rotyz=rot((ppos30.y-ppos32.y)*.9); rotxy=rot((ppos30.x-ppos32.x)*.8); rotxz=rot((ppos30.x-ppos32.x)*.3); ////////////////////////////////////// 3 end vec3 from=vec3(0.,0.3,z); vec2 m=mouse.xy/resolution.xy; bool mouseon=false; #ifndef onlymouse if (mouse.x<1.) { from.yz*=rot(yz); from.xz*=rot(xz); } else { from.yz*=rot(.5-(1.-m.y)*1.5*0.7); from.xz*=rot(-m.x*6.*0.5); mouseon=true; } #endif #ifdef onlymouse from.yz*=rot(.5-(1.-m.y)*1.5); from.xz*=rot(-m.x*6.); mouseon=true; #endif //////////////////////////// from+=ppos; if (!mouseon && mod(time,30.)>24.) from=vec3(.7,0.,mod(-time*4.,30.)-15.),fov*=1.3; vec3 g=mix(vec3(0.5,1.,0.),vec3(1.),smoothstep(0.,1.,t)); if (t<0.) { ppos=vec3(0.); ppos2=ppos; from=vec3(0.,.6,-0.1); if (time>2.8) from=vec3(.5,.3,0.), from.xz*=rot(-time*.3); } vec3 dir=normalize(vec3(uv,fov)); float s=sin(time*.3); dir.xz*=rot(s*s*s*.25*start); dir=lookat(ppos-from,vec3(0.,1.,0.))*dir; vec3 col=march(from,dir,uv*max(1.,2.-time*2.))*g; col=pow(col,vec3(1.2))*1.15; col*=smoothstep(200.,198.,mod(time,200.)); col*=smoothstep(0.,.5,mod(time,200.)); fragColor = vec4(col,1); } ////////////////////////////////////////////// Shadertoy Panpa 3 END

Pampa Ⅲ DangerZone

Pampa Ⅲ　DangerZone