"Quasar 3" for(float i,z,d,s;i++<9e1;o+=vec4(s,1,z/5.,1)/s/s*i){vec3 p=z*normalize(FC.rgb*2.-r.xyy),a;p.z+=9.;a=mix(dot(a-=.6,p)*a,p,cos(s-=t))-sin(s)*cross(a,p);s=sqrt(length(a-a.zxy));for(d=0.;d++<9.;a+=cos(a*d+t).yzx/d);z+=sqrt(max(d=dot(a,a/a),-d*.1))*s/14.;}o=tanh(o*o/4e6);

"Accelerator" for(float i,z,d,s;i++<8e1;o+=vec4(s,2,z,1)/s/d){vec3 p=z*normalize(FC.rgb*2.-r.xyy),a;p.z+=9.;a=dot(a+=.57,p)*a*cross(a,p);s=sqrt(length(a.xz-a.y-.8));for(d=2.;d++<9.;a+=sin(round(a*d)-t).yzx/d);z+=d=length(sin(a/.1))*s/2e1;}o=tanh(o/4e3);

"Bubbly" vec2 p=(FC.xy*2.-r)/r.y/.6; for(float i,a;i<6.;i+=.8) o+=cos(i+vec4(0,2,4,0))+1.2)/max(a=length(p+dot(o,o)/5e5+sin(i+t+vec2(5,0)))-.4+p.y*.1,-a*.2); o=tanh(o/1e2);

Quasar or Quasar 2? Which is better?

"Quasar 2" for(float i,z,d,s;i++<7e1;o+=vec4(z,2,s,1)/s/d) {vec3 p=z*normalize(FC.rgb*2.-r.xyy),a;p.z+=9.;a=mix(dot(a-=.57,p)*a,p,cos(s-=t))-sin(s)*cross(a,p);s=sqrt(length(a.xz-a.y)); for(d=1.;d++<9.;a+=sin(a*d-t).yzx/d);z+=d=length(sin(a)+dot(a,a/a)*.2)*s/2e1;} o=tanh(o/2e3);

"Quasar" for(float i,z,d,s;i++<1e2;o+=vec4(z,4,1,1)/d) {vec3 p=z*normalize(FC.rgb*2.-r.xyy),a;p.z+=9.;s=length(a=mix(dot(a+=.57,p)*a,p,cos(s-=t))-sin(s)*cross(a,p)); for(d=1.;d++<9.;a+=sin(a*d-t).yzx/d); z+=d=length(sin(a-t)+.7)*length(p.xy-p.z)/4e1;} o=tanh(o/2e4);

I can stop at any point

Please please please learn tonemapping

I’ve now been writing shaders for the majority of my years

"Storm" in 238 bytes: for(float i,z,d,s;i++<1e2;o+=vec4(.2/d,9,2,1)/d){vec3 p=z*normalize(FC.rgb*2.-r.xyy),a=p;p.z+=7.;s=length(p); for(d=0.;d++<9.;a+=sin(a*d-t).yzx/d); z+=d=length(vec4(sin(s+s-t/.1+a*sin(a.yzx/3.+t))+.9,min(s-=4.,-s/.1)*.4))*.1;} o=tanh(o/8e3);

"Spectral" vec3 p=(FC.xy*2.-r)/r.y*mat3x2(-8,0,4,7,4,-7)/4., f=abs(fract(p)-.5); o=tanh(tan(t-4.*length(p)+(max(f.x,max(f.y,f.z))/.1)+vec4(0,.2,.5,1))); o*=o;

"Portals" vec3 p=(FC.xy*2.-r)/r.y*mat3x2(-8,0,4,7,4,-7)*.1, f=fract(p+.5)-.5; o=tanh(.3*tan(3.*p.y-t+sin(dot(f,f)*4e1)+vec4(0,.2,.3,0))); o*=o;

Coloring 0: Capped brightness

Graphics Programming weekly - Issue 408 - September 14th, 2025 www.jendrikillner.com/post/graphic...

How many shaders concepts start

How to compute the normal from a 3D triangle with points a, b and c: vec3 ab = a - b; vec3 ac = a - c; vec3 nor = normalize(cross(ab, ac)); Flip the sign as needed

"Marbles" vec3 p=(FC.xy*2.-r)/r.y*mat3x2(-8,0,4,7,4,-7), f=fract(p/3.+.5)-.5; o=tanh(.5/tan(p.y-t+5.*sqrt(abs(.4-dot(f,f)))+vec4(6,0,.2,0))); o*=o;

1,200 fonts + more monthly $19 once unlimited commercial use use for anything support two indie devs! ci.itch.io/all-fonts-pa... i'll buy silksong for one reposter within 24 hours at random! engagement bait! #fonts #art #ttrpg #digitalart #artist #oc #fanart #dnd #bluesky #comics #fantasy #drawing

"Shower" vec3 c,p; for(float i,z,f,l;i++<6e1;z+=f=.03+min(max(f=3.-abs(c+c+p).y/9.+dot(cos(p*=.2),sin(p.yzx)),-f*.1),l=length(cos(c/vec3(4,22,3)-z*.1+t))*5.)/3.,o+=vec4(3,1,l,1)/l/l/f/z) for(c=p=z*normalize(FC.rgb*2.-r.xyy)+3.,f=0.;f++<6.;p+=sin(p*f-t+5./l).yzx/f); o=tanh(o/2e1);

"Jetstream" vec3 c,p;for(float i,z,f,l;i++<6e1;z+=f=.01+min(max(f=8.-length((c+p).xy),-f*.2),l=length(c+4.*sin(t+vec3(0,8,4))))/7.,o+=vec4(5,1,l,1)/l/l/f/z)for(c=p=z*normalize(FC.rgb*2.-r.xyy),p.z-=t/.2,c.z+=9.,f=0.;f++<7.;p+=sin(p*f+z*.2+1./l).yzx/f);o=tanh(o/3e2);

NEW Dot Noise A dirt-cheap alternative to 3D Simplex noise mini.gmshaders.com/p/dot-noise

"Sketch" vec3 p; for(float i,z,f;i++<3e1;z+=f=(p.y-z*.5-2.-length(cos(p.xz+.5*z)))/5.,o+=9./f) for(p=z*normalize(FC.rgb*2.-r.xyy),p.z+=t,f=1.;f++<6.;p+=sin(ceil(p.z*2e1+f*vec3(1,2,3))/6.*f)/f); o=tanh(5e6/o/o);

i am shaderboy

"Fiber" vec3 p; for(float i,z,f;i++<3e1;z+=f=.001+abs(length(p.xy)-5.+dot(cos(p),sin(p).yzx))/9.,o+=(1.+sin((i+z+t)*.3+vec4(6,1,2,0)))/f) for(p=z*normalize(FC.rgb*2.-r.xyy),p.z-=t,f=1.;f++<6.;p+=sin(round(p.z*3e1)/6.*f+vec3(0,1,4)+t/4.)/f); o=tanh(o/1e3);

"Fragments" vec3 p; for(float i,z,f;i++<3e1;z+=f=.003+abs(length(p.xy)-5.+dot(cos(p),sin(p).yzx))/8.,o+=(1.+sin(i*.3+z+t+vec4(6,1,2,0)))/f) for(p=z*normalize(FC.rgb*2.-r.xyy),p.z-=t,f=1.;f++<6.;p+=sin(round(p.yxz*PI2)/PI*f)/f); o=tanh(o/1e3);

"Compute" vec3 p; for(float i,z,f;i++<4e1;z+=f=.003+abs(length(p.xy)+dot(cos(p),sin(p/.6).yzx)-5.)/7.,o.grb+=(1.5-p/z)/f) for(p=z*(FC.rgb*2.-r.xyy)/r.y,p.z-=t,f=1.;f++<6.;p+=sin(round(p*6.)/6.*f-t*.5)/f); o=tanh(o/3e3);

"Flutter" vec3 p; for(float i,z,f;i++<5e1;z+=f=.003+.1*abs(length(p)-5.),o.rgb+=(p/z+.8)/f) for(p=z*(FC.rgb*2.-r.xyy)/r.y,p.z+=9.,f=1.;f++<7.;p+=sin(round(p.zxy/.1)*.1*f-t)/f); o=tanh(o/2e3);

NEW Functions: Mix An overview of the mix function, how it works, and some unusual uses (contrast, radial blurs, UV coordinates, and more) mini.gmshaders.com/p/func-mix

"Equinox" vec2 p=(FC.xy*2.-r)/r.y; o=sin(t+p.y*(1.-sqrt(abs(1.-dot(p,p))))+vec4(4,5,6,0));

"Pivotal" vec2 p=(FC.xy*2.-r)/r.y/.2, c=fract(p)-.5-p*.2; o=cos(atan(c.y,c.x)+vec4(0,1,2,0)+t);

"Apple" vec2 p=(FC.xy*2.-r)/r.y,a=vec2(p.y,sqrt(abs(p*p*p))/(.5+p.y*.2));float d=min(log(exp(length(a)/.1-5.-5.*a.y)+exp(2.4-length(p/.1-vec2(5,1)))),length((p-=vec2(0,.6))-.3*step(p,p.yx))/.1-3.);o=tanh((cos(p.y/(.3+.1*d*d)+t+vec4(0,1,2,0))+1.1)*(.4/max(d/.2,.1-d)));

NEW Volumetric Raymarching Rendering clouds, fire, smoke, light rays and more with raymarching mini.gmshaders.com/p/volumetric

Introducing "Dot Noise". This is a super lightweight alternative to 3D Simplex Noise, which in many cases is overkill shadertoy.com/view/wfsyRX

o=(FC.xy*2.-r)/r.y*mat4x2(-8,0,4,7,4,-7,0,0)*.1; o+=sqrt(.9-dot(o,o));

Shaders for UI. "Tap" vec2 p=(FC.xy*2.-r)/r.y,b;b.x=.6; o=sqrt(tanh(6e-3/max((b.y=length(p-clamp(p,-b,b))-.5)+.2/exp(abs(cos(b.y-p.x*.1-t-t))/.1),b.y*b.y)*(cos(p.x/(abs(b.y)+.4)+t+t+vec4(6,1,2,3))+1.2)));

test

Probably the most common newb shader mistake is ignoring aspect ratio: vec2 coord = fragCoord / resolution * 2.0 - 1.0; Instead of: vec2 coord = (fragCoord*2.0 - resolution) / resolution.y;

"Cubic" vec3 p=.5*(FC.xy*2.-r)/r.y*mat3x2(-8,0,4,7,4,-7); o.rgb=tanh(.3/tan(p-ceil(p.yzx/PI*3.)*PI/3.));

"Aberrations" vec2 p=(FC.xy*2.-r)/r.y*4.; o=tanh(.3*cos(p.x/.6-p.y+vec4(6,1,2,0))*cos(p.x-t*cos(round(p.y/PI)*PI))/cos(p.y));

"Tile" vec2 p=(FC.xy*2.-r)/r.y*5.; o=cos(length(tan(p)+p)-t+vec4(0,.7,1,3));

"Paradise 3" vec3 c,p; for(float i,z,f;i++<5e1;p+=c,z+=f=length(cos(p/p.y)/8.+sin(p.y/7.)*.4),o+=(cos(c.y/14.-vec4(7,2,3,0))+1.)*z*z/(.9+p.y*f)/max(length(c.xy/z-.6)-.1,.1)) for(p=z*(FC.rgb/.4-r.xyy)/r.y,p.y=abs(p.y+2.),c=p,p.x*=f=.2;f++<9.;p+=cos(p.yzx*f-t/4.)/f); o=tanh(o/1e4);

"Sonata" vec3 s,c,p; for(float i,z,f;i++<3e1;p+=c,z+=f=abs(p.y+7.)*.5+.2,o+=vec4(1,2,4,1)/f/(z*.3+p*p).x) for(c=p=z*(2.*FC.rgb-r.xyy)/r.y,p.x*=f=s.y=.3;f++<3.;p+=cos(p.yzx*f+z+t)/f); o=tanh(.1*o/length((c/p.z+s).xy));

"Wired" vec3 c,p;for(float i,z,f;i++<4e1;p=mix(c,p,.3),z+=f=.2*abs(dot(cos(p),sin(p.yzx/.6))+abs(p.y)-3.),o+=(cos(z+vec4(6,1,2,0))+2.)/f/z)for(c=p=z*normalize(FC.rgb*2.-r.xyy),p.z-=t,c=p,f=.3;f++<5.;p+=cos(p.yzx*f+i/.4)/f);o=tanh(o/8e2);

"Paradise" vec3 c,p; for(float i,z,f;i++<1e2;p+=c,z+=f=length(cos(p/6.+z)*.1+sin(p.y/9.)*.4),o+=(cos(c.y/z/.6+vec4(6,1,2,0))+1.1)*f*f) for(p=z*(FC.rgb/.4-r.xyy)/r.y,p.y=abs(p.y+7.),c=p,p.x*=f=.3;f++<6.;p+=cos(p.yzx*f-t)/f); o=tanh(o/4e1/length(c.xy/p.z+.3));

"Falls" vec3 x,c,p;x.x+=9.; for(float i,z,f;i++<5e1;p=mix(c,p,.3),z+=f=.2*(abs(p.z+p.x+16.+tanh(p.y)/.1)+sin(p.x-p.z+t+t)+1.),o+=(cos(p.x*.2+f+vec4(6,1,2,0))+2.)/f/z) for(c=p=z*normalize(FC.rgb*2.-r.xyy),p.y*=f=.3;f++<5.;p+=cos(p.yzx*f+i+z+x*t)/f); o=tanh(o/3e1);

"Ash" vec3 p;for(float i,z,f;i++<1e2;z+=f=.02+.1*max(f=5.-.2*z-max(p,-p*.4).y,-f*.5),o+=f/z)for(p=z*normalize(FC.rgb*2.-r.xyy),p.x*=f=.5;f++<9.;p+=sin(p.yzx*f-t/4.)/f);o=smoothstep(4.,7.,o/vec4(.7,.8,1,1));

"Vapor 2" vec3 p; for(float i,z,f;i++<1e2;o+=sin(p.y-t+vec4(6,1,2,3))*f+f){p=z*normalize(FC.rgb*2.-r.xyy); for(f=1.;f++<9.;p+=sin(p.zxy*f+f-t)/f); z+=f=.01+.1*abs(dot(sin(p*.7),cos(p).yzx));} o=tanh(o*o/1e2);