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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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chadiik

function u(t) {

c.width=200;for(i=15;i--;)x.fillStyle=R(S(h=i/3+t)*255),x.font=7+S(h)*6+'px A',x.fillText('Bonne Fête Papa'[14-i],99+C(h)*50,S(h)*20+50)

Jan 4 2018 1:34 PM UTC

}// 136/140

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f8f82804

remix of d/9707 by u/f8f82804

function u(t) {

for(i=c.width^=0;i--;){
θ=i+t/9;
ϕ=i/600;
X=S(θ)*S(ϕ);
Y=C(ϕ);
Z=C(θ)*S(ϕ)+2;
if(Z<1.6)x.fillRect(960+800*X/Z,540+800*Y/Z,s=32*(1.6-Z),s);
}

Sep 9 2018 3:44 AM UTC

}// 140/140

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#readable #perspective #sphere #template #math

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rodrigo.siqueira

remix of d/21603 by u/rodrigo.siqueira

function u(t) {

for(var i=1081;i--;x.fillRect(t*60,i,1,1-S(f(t/99+.1,i/9e3,99))))
f=(X,Y,n)=>Y/S(X)<9&&n?f(X*X-Y*Y-1.5,2*X*Y,n-3):(x.fillStyle=R(0,n/2),n*7)

Feb 6 2021 8:35 PM UTC

}// 140/140

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Green forest #forest #plant #fractal

u/tomxor

Almost looks like #ferns
u/rodrigo.siqueira

I've just got 5000 likes! Thanks!!!!

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f8f82804

remix of d/9523 by u/katkip

function u(t) {

with(x)for(i=3;--i;beginPath(fill(lineTo(960*i+320*(i==1)*(t%6-3),1080))))fillStyle='#'+862/i,moveTo(960,340),lineTo(0,1080)

Aug 29 2018 6:16 PM UTC

}// 124/140

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Rotating pyramid. Can anyone figure out how to make the colors smoothly darken so that it loops perfectly?

u/yonatan

with(x)for(i=3;--i;beginPath(fill(lineTo(960*i+320*(i==1)*(t%6-3),1080))))fillStyle=hsl(0 50%${i*(6+t%6)}%,moveTo(960,340),lineTo(0,1080)
u/yonatan

sorry, that's not quite right
u/f8f82804

it's great, see my remix
u/yonatan

hsl(0 50%${50+((i==1)-(t%6/6))*9}% works, but a bit long

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katkip

remix of d/13364 by u/katkip

function u(t) {

α=Math.PI;for(c.width|=i=1337;i--;x.beginPath())x.arc(960+C(α/3*i+t+C(i-t)/2)*300,540+S(α/3*i+t+S(i+t)/2)*300,9,0,7),x.fill()

Apr 22 2019 8:53 AM UTC

}// 125/140

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JoshiRaez

remix of d/4427 by u/JoshiRaez

function u(t) {

for(i=40;i<1920;i+=1){c=t*4000+i;d=c=>S((c*0.001))*122+123;x.strokeStyle=R(d(c),d(c/2),d(c/4),1);x.strokeRect(960-(i)/2,540-i/2,i,i)}

Dec 28 2017 4:58 PM UTC

}// 133/140

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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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rodrigo.siqueira

remix of d/25010 by u/rodrigo.siqueira

function u(t) {

for(m=620;m--;x.fill())d=4*t**t/t,r=m%300,x.beginPath(x.fillStyle=R(r*t*t,r,r/t)),x.arc(960+r*C(z=m+C(m)/d)*t*2,540+t*r*S(z/t),m/d,m-d,m)

Feb 23 2022 2:07 AM UTC

}// 137/140

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Melting bubbles

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katkip

remix of d/11048 by u/katkip

function u(t) {

if(!t)x.translate(960,540);x.fillStyle=R(t*30);x.font='300px"';x.fillText("$",99,99);x.drawImage(c,-300,0,200*t,200*t);x.rotate(Math.PI/1.5)

Nov 18 2018 12:49 PM UTC

}// 140/140

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Money #fractal

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sfz

remix of d/2105 by u/mxfh

function u(t) {

c.width|=w=999
h=540
a=w+w*S(t)/3
b=h+h*C(t)/2
with(x)font='3em Arial',fillStyle='#aaa',fillText('The BEATLES',a,b),strokeRect(a-h,b-h,w,w)

Mar 14 2017 8:38 AM UTC

}// 139/140

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Dwitter Album Covers

u/sigveseb

haha nice