Top dweets by u/f8f82804

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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    u(t) is called 60 times per second.
    t: Elapsed time in seconds.
    S: Shorthand for Math.sin.
    C: Shorthand for Math.cos.
    T: Shorthand for Math.tan.
    R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5)
    c: A 1920x1080 canvas.
    x: A 2D context for that canvas.

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f8f82804

remix of d/9174 by u/f8f82804

function u(t) {

with(x)for(φ=311;α=S(θ=φ/99),β=α*S(--φ);beginPath())arc(130*β+960,99*(α*C(φ)-C(θ)+4),28*α,0,7),fill(),fillStyle=`hsl(9 90%${30*(1+β+β**9)}%`

Aug 9 2018 7:21 PM UTC

}// 140/140

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heavily golfed #phong #sphere to allow circular #sprite without compression

u/f8f82804

#pbr #static

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f8f82804

remix of d/9180 by u/f8f82804

function u(t) {

c.width=500
for(j=6;j--;)for(i=255;i--;x.fillRect(i,50+j*25+S(T=i/35-t*3)*7,1,26))x.fillStyle=`hsl(${32*j**1.3} 90%${23*(1+(a=C(T))+a**5)}%`

Aug 9 2018 2:54 PM UTC

}// 140/140

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#rainbow #phong #flag - - #pride #pbr

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f8f82804

remix of d/9154 by u/f8f82804

function u(t) {

c.width|=0
for(i=314;i--;)x.fillRect(100*S(α=i/100)*S(β=t+i/7)+960,40*S(α)*C(β)-90*C(α)+540,10,10),x.fillStyle=`hsl(0 90%${60*S(α)*C(β-7)}%`

Aug 7 2018 6:39 PM UTC

}// 140/140

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Diffuse reflection model

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f8f82804

function u(t) {

c.width=1920
for(i=314;x.fillStyle=`hsl(${99*t+i},90%,50%)`,i--;)x.fillRect(100*S(α=i/100)*S(β=t+i/7)+960,90*-C(α)+40*S(α)*C(β)+540,10,10)

Aug 7 2018 5:27 PM UTC

}// 138/140

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u/lionleaf

#sphere #rainbow

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f8f82804

remix of d/21222 by u/f8f82804

function u(t) {

with(x)t||clip(arc(A=960,B=540,B,0,7)),beginPath(r=Math.random),moveTo(a=2*A*r(),b=B*r()),lineTo(a+B,b+B*r()),strokeStyle=R(b,a-b),stroke()

Jan 3 2022 6:49 PM UTC

}// 139/140

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#planet #waitforit

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f8f82804

remix of d/16552 by u/f8f82804

function u(t) {

for(X=c.width^=0,x.translate(960,540);X--;x.fillRect(0,250*S(X/250+t),2,2))x.rotate(Math.PI/480);

Nov 6 2019 5:50 PM UTC

}// 97/140

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#polar #graph of the sin() function

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f8f82804

remix of d/15112 by u/f8f82804

function u(t) {

t||(j=a=b=.3)
for(i=99;i--;){
j+=2*Math.random()-1
a-=(a-(j&1))/2
b-=(2*b-(j&2))/4
x.fillRect(480+960*a,960*b,4,4)
}

Jul 23 2019 7:01 PM UTC

}// 116/140

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4-sided #chaos fractal -- variant

u/f8f82804

#chaosgame

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f8f82804

remix of d/12261 by u/due

function u(t) {

for(c.width|=p=6.2832,x.scale(9,9),x.lineJoin='round',i=13;j=i--*p/4;x.arc(107+45*C(A=j-t+i*p/12),60+45*S(A),14,(a=(t+j)%p)-1,a));x.stroke()

Feb 11 2019 5:56 PM UTC

}// 140/140

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remixed with cleaner line joins

u/rnbw

reminds me of kanizsa's triangle for some reason

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f8f82804

remix of d/12080 by u/stellartux

function u(t) {

with(x)setTransform(u=30*C(w=t&&w<469?w+2.4:1),v=30*S(w),-v,u,960,540),beginPath(),fillStyle=`hsl(${t}rad 95%50%`,fill(arc(w**.5,0,1.2,0,7))

Feb 4 2019 5:33 PM UTC

}// 140/140

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#rainbow #phyllotaxis

u/f8f82804

I'd wanted to do this without any trig, using rotate() and save()/restore(), but it was about 4 bytes too long.
u/pavel

135 with(x)setTransform(30,0,0,30,960,540),rotate(w=t&&w<469?w+2.4:1),beginPath(fillStyle=hsl(${t}rad 95% 50%),fill(arc(w**.5,0,1.2,0,7))

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f8f82804

remix of d/11848 by u/metamero

function u(t) {

eval(unescape(escape`琿䴮潮扬畲㵦㴾䴮癡汵攽捯摥⹲数污捥⠯孞ℭ繝⬯ⱓ瑲楮朮晲潭䍨慲䍯摥⠮⸮⡍⹶慬略⬢㬢⤮浡瑣栨⼮ⸯ朩⹭慰⡥㴾敛昽≣桡牃潤敁琢崨⤼㰸籥学崨ㄩ⤩⤺挮潵瑥版呍䰽⊻㱩湰畴⁩搽䴾ꬢ`.replace(/u(..)/g,"$1%")))

Jan 16 2019 7:13 PM UTC

}// 130/140

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#golf version of u/metamero's #compressor #tool that leaves 19 bytes for additional features

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