Top dweets by u/magna

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Opposites

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magna

remix of d/8479 by u/magna

function u(t) {

t||(d=c.cloneNode()).getContext`2d`.fillText('🐱',0,15)
s=55
for(i=1e3;i--;x.drawImage(d,X=i&31,Y=i>>5,1,1,X*s+580,Y*s,s,s))x.rotate(C(t))

Jun 7 2018 4:06 AM UTC

}// 138/140

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If you wait long enough on macOS, it starts looking like you've zoomed into a gold-plated torus.

u/Qwitter

when you fail to cross off enough "post it note" to do reminders?

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magna

function u(t) {

c.width=480;x.font='150px a';x.fillText('Dwitter',0,180);for(i=48;i--;)x.drawImage(c,i*10,5,10,260,i*10,5+S(i+t*3)*5,10,260)

Mar 14 2018 5:10 AM UTC

}// 124/140

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Poor man's pool effect

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magna

remix of d/6495 by u/magna

function u(t) {

x.fillRect(0,0,2e3,2e3);for(i=64;i--;)for(x.setTransform(1,0,0,1,i%8*240,(i>>3)*135),j=99;j--;)x.clearRect(120+T(t+j/4)*50,67+T(j*i)*50,5,2)

Jan 26 2018 1:17 AM UTC

}// 140/140

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u/donbright

dude looks like a weird winter forest with black trees

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magna

remix of d/4560 by u/UnacceptableUse

function u(t) {

for(i=c.width|=0;i--;)x.fillRect(i,T(t*i/100)*1e3,50,50)

Dec 29 2017 6:23 AM UTC

}// 56/140

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magna

remix of d/3486 by u/cantelope

function u(t) {

for(x.globalAlpha=.07,x.fillRect(0,0,i=2140,i);i--;)x.clearRect(i*25%2e3+S(p=i*3+(k=C(t*2+i*9)**9))*(v=S(i*171+t)**99*50),i%1080+C(p)*v,4,4)

Nov 9 2017 3:43 PM UTC

}// 140/140

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Taking turns

u/cantelope

:D
u/crimbles

Makes me feel itchy

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magna

function u(t) {

c.width|=0
x.lineCap='round'
for(x.lineWidth=i=45;i--;x.stroke())x.beginPath(),x.arc(960,540,50+(j=i%10)*50,a=S(t+i)*3,a+Math.abs(C(t*5)))

Apr 28 2017 5:28 PM UTC

}// 138/140

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magna

function u(t) {

w=c.width|=0;x.fillRect(0,0,w,w);x.clearRect(100,470,1720,140);x.fillRect(110,480,1700,120);x.clearRect(120,490,(1-1/(1+t/10))*1680,100)

Apr 26 2017 4:56 AM UTC

}// 136/140

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fr-0140

u/joeytwiddle

hehe
u/magna

#farbrausch

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magna

remix of d/2545 by u/prawnwarp

function u(t) {

c.width|=0;for(i=0;i<1920;i+=64){for(j=0;j<1080;j+=64){x.fillStyle=`hsla(${i*j},50%,50%,.3)`;s=S((t*T(i&j^t)))*64+64;x.fillRect(i,j,s,s);
}}

Apr 22 2017 5:02 PM UTC

}// 140/140

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u/joeytwiddle

Very pretty! It reminds me of this awesome 256b: https://linusakesson.net/scene/a-mind-is-bor…

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magna

remix of d/2516 by u/magna

function u(t) {

c.width|=0
x.font='50px monospace';
((u+'').slice(0,t*3+S(t)*5)+' |'[t*2&1]).split('\n').map((r,i)=>x.fillText(r,0,++i*50))

Apr 18 2017 12:29 PM UTC

}// 123/140

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Slimmer version of "pair programming nightmare"

Show more comments…
u/magna

Challenge: Add occasional mistakes like skipped characters / typos etc.
u/Polyducks

I'm struggling to understand how this works. Where have you got the function input from? Amazingly realistic!
u/Jenky

It's from (u+'') - afaik, it's basically a short/cheat way of converting anything to a string in JS :D
u/Jenky

Also, down to 119 and whole string within canvas - https://www.dwitter.net/d/2524
u/magna

@Jenky Nice!
u/magna

#quine

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magna

remix of d/2381 by u/magna

function u(t) {

r=Math.random
c.style.boxShadow=`inset 0px ${r()*20}px 10em #642`
c.width=w=1920
for(i=10+~~(S(t/3)*5);i--;x.fillRect(r()*w,0,r()/2,w));

Apr 5 2017 5:40 AM UTC

}// 136/140

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Less uniform scratches

u/magna

Works better on macOS Chrome
u/magna

#film

dwitter.net | magna (3923)