Top dweets of all time

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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Purpzie

remix of d/10210 by u/Purpzie

function u(t) {

r=[0,1];for(i=2;i<1e3;i++)r.push(r[i-1]+r[i-2])
x.font='99px"'
x.fillText(r.join(' '),0,500)

Oct 3 2018 8:31 PM UTC

}// 92/140

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Fibonacci sequence! Only 46 characters are actually used to generate it, feel free to modify it or use it in your own dweets.

u/donbright

awesome

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prplz

remix of d/10091 by u/prplz

function u(t) {

for(let X,Y=33,r;Y--;)for(X=59;X--;x.fillRect(X*33,Y*33,33,33))x.fillStyle=R(0,r=S((X*X&Y*Y)**.3+t*5)*99+99,r*2)

Oct 3 2018 7:14 AM UTC

}// 112/140

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u/DataMeta

Mhmmm
u/donbright

fun

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geb

remix of d/10222 by u/E-Mouse

function u(t) {

f=500
x.beginPath()
c.width|=
x.stroke()
for(i=f;--i;)
x.lineTo(C(k=i-t)*900+900,C(k=i^t/3)*f+f)
x.fill("evenodd")

Oct 2 2018 9:59 PM UTC

}// 114/140

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u/donbright

this stuff would be much cooler if i had a faster machine i think
u/Purpzie

are you saying that WE COULD HAVE DONE c.width|= ON ITS OWN LINE THIS WHOLE TIME INSTEAD OF c.width
u/Purpzie

*c.width|=0
u/magna

That's effectively c.width|=x.stroke()

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Purpzie

remix of d/10149 by u/Purpzie

function u(t) {

for(i=64;i--;)x.fillStyle=`hsl(${i*5+t*30} 60%${S(t*3)*25+50}%`,x.fillRect(i*30,S(4*t+3*i)*99,20,99);x.drawImage(c,S(t)*5,5+(0|C(t))*5)

Oct 1 2018 7:40 PM UTC

}// 135/140

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Purpzie

function u(t) {

x.strokeStyle=`hsl(${1e3+t*50} 99%50%)`;x.beginPath();for(i=10;i--;)x.arc(1e3+S(t/2*i)*500,575+C(t*i/2)*500,0,0,2*Math.PI);x.stroke()

Sep 29 2018 1:25 AM UTC

}// 134/140

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cycle of life

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Purpzie

remix of d/10129 by u/Purpzie

function u(t) {

for(c.width|=i=2e3;i--;)x.fillRect(960+200*C(a=0|i/6)*S(T(t/1)+i%6/a),540+200*S(a),9,9)

Sep 28 2018 1:38 AM UTC

}// 87/140

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even MORE golfed, 22 characters less than the very original

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Purpzie

remix of d/10099 by u/o539

function u(t) {

c.width|=0;for(i=0;i<840;i++)a=((b=0|i/40)%2==1?S:C)(t),x.fillRect(a*800+i%40*100-1e3,b*50,50,50)

Sep 27 2018 10:53 PM UTC

}// 97/140

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20 characters shorter

u/yonatan

10 more: for(c.width|=i=840;i--;x.fillRect(a*800+i%40*99-1e3,b*50,50,50))a=((b=0|i/40)%2?S:C)(t)
u/Purpzie

goodness gracious
u/New_Core

or even 13 shorter then that... ;) diffrent code tho.. for(c.width|=i=962;i--;)x.fillRect(i%37*99+800*S(t+i%2)-800,i%26*40,50,50)
u/New_Core

*noticed a small error.. (in72b) for(c.width|=a=i=840;i--;)x.fillRect(i%37*99+a*S(t+i%2)-a,i%22*50,50,50)
u/Purpzie

holy cRAP that is absolutely amazing

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Purpzie

function u(t) {

eval(unescape(escape`愽砮晩汬却祬攽砮捲敡瑥剡摩慬䝲慤楥湴⡢㴱攳ⰵ〰ⰲ㔬戬㔰〬㐰〩㭡季㴧慤摃潬潲却潰❝⠱ⱒ⠩⤻慛捝⡍慴栮慢猨匨琥㤰⤩Ⱡ桳氨⑻琪ㄵぽ‵〥㔰┩怩㭡季崨〬✣晦昧⤻砮晩汬剥捴⠰ⰰⱢ⨲Ɫ⤻`.replace(/u(..)/g,"$1%")))

Sep 26 2018 10:14 PM UTC

}// 134/140

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orb of power

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o539

function u(t) {

c.width=1920
for(v=0;v<21;v++){
for(i=0;i<40;i++){
v%2===1?k=S(t):k=C(t)
x.fillRect((k*800)+i*100-1000,v*50,50,50)
}}

Sep 26 2018 4:59 PM UTC

}// 117/140

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u/Xen

i love it!
u/joeytwiddle

You would!
u/loni_art

ow ow ow ow!! good job

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davidsharp

remix of d/8797 by u/davidsharp

function u(t) {

with(x)for(i=n=23,g=1e3;--i;)F=f=>Math.abs(g-t/2*f(i/n)*g%(2*g)),fillStyle='#0001',fillText([...font='90px 🔴🔵😶'][5+i%3],F(C,g),F(S,g))

Sep 26 2018 12:04 PM UTC

}// 134/140

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painting