Dweets awesomed by u/zanella

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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jylikangas

remix of d/11093 by u/jylikangas

function u(t) {

eval(unescape(escape`景爨挮睩摴栽圽椽㔱㈬琪㵷㴹㤻ⴭ椻硛晝⠨吽㈵㘫匨琭⴯眩⩩⤭稬娽眫稬稪㈬稯㴹⤬琦ㄶ☦硛䙝⡔ⱚⱺⱺ⤩稽㉥㌯椬硛䘽❣汥慲剥捴❝⡩⨪㌥ㅥ㌭启㐬椬ⅸ学㴧晩汬剥捴❝⠡硛晝⡩ⰰⰱⰱ㄰⤬眫稬圬匨琯㐩⤬ㄩ`.replace(/u(..)/g,"$1%")))

Nov 20 2018 7:20 PM UTC

}// 140/140

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Highway At Night: Dwitter edition

u/jylikangas

https://js1k.com/2014-dragons/demo/1951
u/cantelope

hawt
u/iverjo

Holy smokes!
u/Joachim

#road #night
u/jdspugh

Wow

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jylikangas

function u(t) {

for(c.width=W=i=512,t*=w=99;--i;x[f](225-z+(t--&2?z*2:t&9?0:z)+S(t/w)*i,w+z,z/=7,z))z=2e3/i,x[f='fillRect'](!x[f](i,0,S(t/W),w),w+z/32,W,.5)

Nov 20 2018 4:55 PM UTC

}// 140/140

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I drove all night (and day)

u/cantelope

amazing! #road #synthwave
u/pavel

The backdrop is glitched on mobile Safari.
u/jylikangas

137b: for(c.width=W=i=512,t*=w=99;--i;x[f](225+(t--&2?z:t&9?-z:0)+S(t/w)*i,w+z,z/=7,z))z=2e3/i,x[f='fillRect'](!x[f](i,0,S(t/W),w),w+z/32,W,.5)
u/iverjo

Wow!
u/taupelink

#scene

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pavel

function u(t) {

with(x)fillStyle=R(0,0,0,.01),fillRect(0,0,w=2e3,w),setTransform(a=6*S(A=t**9),b=6*C(A),-b,a,A%w,-99),clearRect(0,0,3,w),strokeRect(0,0,3,w)

Nov 20 2018 6:31 AM UTC

}// 140/140

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Strings in yr face #beesandbombs

u/katkip

#web

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pavel

function u(t) {

with(x)for(i=c.width=300;i--;stroke())for(beginPath(k=6);k--;arc(150,84,84>>k,a=(i%16+b*k)*.39,a))strokeStyle=R(0,0,b=1-(i>>4)+t%1,1-b**2/4)

Nov 20 2018 4:03 AM UTC

}// 140/140

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Occult Star (#beesandbombs inspired)

u/erin

if shepards tone was a shape

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rnbw

function u(t) {

c.width^=0;x.fillStyle='#ea23';for(i=0;i++<25;){x.setTransform(S(t+i),C(t+i),0.2,0.2,960,500);x.rotate(2);x.fillRect(99,90,5e3,5e3)}

Nov 19 2018 5:10 PM UTC

}// 132/140

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it's like staring at the sun, but not nearly as blinding

u/rnbw

(this was me just tinkering around with setTransform - it is SO powerful)
u/crunch

wack
u/crunch

wack
u/katkip

cool
u/joeytwiddle

#sun

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pavel

function u(t) {

with(x)for(i=24;--i;fill())for(beginPath(n=k=i+2);k--;arc(960,540,i==2?70:50*i,a=Math.PI*(2*k+t)/(n-1),a))fillStyle=R(a=(1-i/23)**2*300,a,a)

Nov 18 2018 10:45 PM UTC

}// 140/140

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Polygons #beesandbombs

u/andregn

You could consider Math.PI = 22/7
u/pavel

When I have chars left I sometimes write out the full precision constants.

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ellisk1

remix of d/11012 by u/ellisk1

function u(t) {

for(c.width|=i=3;i--;)x.arc(960,540,450*i*i,3.1,0);x.fill('evenodd');for(j=3e3;j--;)x.fillStyle=R(9,x.fillRect(2e3*S(j*j+t/9),j/2,j,5),j/55)

Nov 18 2018 5:05 PM UTC

}// 140/140

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Moonrise

u/joeytwiddle

Beautiful!
u/katkip

This is nice! #art #landscape #waves
u/joeytwiddle

Not a #sunset because it's the #moon!

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pavel

remix of d/10922 by u/pavel

function u(t) {

with(x)for(c.width=960,s=270;s>2;stroke())rect(0,0,s*=.618,s),quadraticCurveTo(X=s*(.5+S(t)*.45),s-X,s,s),translate(s,s),rotate(T=S(t)*1.57)

Nov 10 2018 2:33 AM UTC

}// 140/140

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u/jonathan-potter

This is great! I spent some more time trying to use x.scale for sizing to make the math super pretty. It just ended up messier because linewidth needed modification :(

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pavel

remix of d/10477 by u/pavel

function u(t) {

s=3+15*t%6;i=960-s*365;j=s*210;for(c.width|=a=n=0;n<1e4;T=n=>n&&T(n>>1)-n&1)T(n++)?x.lineTo(i-=s*C(A=a++*355/339),j+=s*S(A)):a-=3;x.stroke()

Nov 6 2018 4:56 AM UTC

}// 140/140

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#koch #fractal

u/13thptr

#zoom #loop

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Xen

remix of d/10852 by u/rodrigo.siqueira

function u(t) {

t<5?x.drawImage(c,-92,99,2100,1e3):x.drawImage(c,C(t^t*2),4)
x.font='150px"'
x.fillText('AT A RI',715,99)
x.fillStyle=`hsl(${t*500} 90%50%)`

Nov 5 2018 7:03 PM UTC

}// 140/140

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Atari Demo #waitforit

u/magna

#atari

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