Dweets awesomed by u/kooga

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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Current theme challenge: #ScaryMovies

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kooga

function u(t) {

if(t){o.innerHTML=x.a;eval(i.value)}else{c.outerHTML=`<textarea id=i>x.a="output"</textarea><div id=o></div>`;x.a=""}

Oct 8 2019 3:16 AM UTC

}// 117/140

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js interpreter?

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kooga

function u(t) {

a=5;b=1+parseInt(t*2,10);d=100;
c.width=a*d;
for(i=0;i<120;i+=1){
for(j=0;j<120;j+=1){
if(i*j%b)x.fillRect(i*a,j*a,a,a)
}
}

Oct 6 2019 3:19 AM UTC

}// 123/140

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divibility!

u/metamero

incidental #opticalillusion #ScintillatingGridIllusion

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yonatan

function u(t) {

with(x)if(!t){c.width=innerWidth
onmouseup=e=>fillStyle='#'+(q*1e6|0)
onmousemove=e=>fill(arc(e.x,e.y,1+q**44*99,0,7,beginPath()))}
q=t*t%1

Oct 5 2019 11:35 PM UTC

}// 139/140

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Paint (like Jackson Pollock). Click to change color.

u/yonatan

based on k3lab's OilPainting - http://wa.zozuar.org/code.php?c=92Ul
u/taupelink

excellent

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joe.m

function u(t) {

w=60
t?s+=.03:s=0
s>66?c.width|=s=0:0
for(j=34;j-=2;)for(i=22;i-=2,r=C(j*s/i);)
x.fillRect((j-1)*w+.9*w*C(s)*r, (i-3)*w+.9*w*S(s)*r,2,2)

Oct 3 2019 1:30 PM UTC

}// 136/140

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a #rose by any other name would look as sweet

u/joe.m

inspired by https://www.dwitter.net/d/14905
u/13thptr

#epicycloid
u/13thptr

#epicycloids
u/13thptr

#epicycles
u/Xen

love it

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davidsharp

remix of d/15910 by u/davidsharp

function u(t) {

c.width=(s=300)*3
f=(p,g=s)=>{with(x)moveTo(s,s),lineTo(s+S(p)*g,s-C(p)*g),stroke()}
with(new Date)f(getMinutes()/9.6),f(getHours()/1.9,200)

Oct 3 2019 11:53 AM UTC

}// 140/140

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clock dweet

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afs

function u(t) {

x.rotate(.001);d=t<40&&-t*10*t;x.strokeRect(1000+(S(t)*(-100+C(t)))*-3,800+(-(S(t)*30))*.6,d*2,d*2);x.rotate(S(t)/(t*t*t*t*Math.PI*10))

Oct 3 2019 10:27 AM UTC

}// 135/140

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joeytwiddle

remix of d/9574 by u/katkip

function u(t) {

for(i=0;i<2e2;i++)x.fillStyle=`hsla(${i*2+t*99},${99*S(t/i)}%,50%,.03)`,x.fillRect(960+S(t)*9*i,540+C(t)*9*i,i*C(i/t),i*C(i+t))

Oct 3 2019 5:39 AM UTC

}// 127/140

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Smudge and shine

u/joeytwiddle

Not a patch on d/9008 tho

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f8f82804

remix of d/15872 by u/rnbw

function u(t) {

r=Math.random;with(x)for(k=t?4:64;k--;t?drawImage(c,k&1?1:-1,k&2?1:-1):(fillStyle=`hsl(${r()}turn,69%,70%`,fillRect(r()*2e3,r()*1e3,2,2)));

Oct 2 2019 7:34 PM UTC

}// 139/140

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territories -- remix without jitter

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taupelink

remix of d/15661 by u/taupelink

function u(t) {

for(f=.5,i=d=e=1e3;i--;x.fillRect(960+d*z*C(e),540+d*z*S(e),f,f))r=20+Math.random(z=60)*z|0,[d,e,f]=[r/5+f*C(d),r+f*S(d)/r**.5,r%2+.5/f**.5]

Sep 29 2019 9:00 PM UTC

}// 140/140

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d/15854

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katkip

function u(t) {

if(!t){p=[];for(i=999;i--;)p.push({a:S(i),b:C(i)})};for(z of p)x.fillRect(z.a*30,540+z.b,5,5),z.a+=C(q=(t>1?-z.b:0)),z.b+=S(q)*10

Sep 26 2019 5:19 PM UTC

}// 129/140

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Laser made of #chaos

u/tomxor

Mwahaha, an excellent name for a villainous weapon

dwitter.net | kooga (1020)