Random dweets | Dwitter

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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iznax

function u(t) {

c.width=1;x.fillText(x.fillStyle="Red",-9,1)

Jun 14 2020 6:13 PM UTC

}// 44/140

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#redchallenge

u/katkip

nice method!

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rsc

remix of d/26863 by u/rsc

function u(t) {

v=c.width|=0
h=1e3
x.fillStyle="green"
x.font=h+'%x'
m="Golem Plus"
for(i in m)x.fillText(m[i],120*i+v-(t*h)%(v*2),h/2+h/3*S(t*5+i*6))

Jun 17 2024 8:32 PM UTC

}// 134/140

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Golem Plus

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WasifBoomz

remix of d/11789 by u/WasifBoomz

function u(t) {

a=Math.random()*1920
b=R(0,Math.random()*255,a,Math.random())
x.strokeStyle=b
x.fillStyle=b
x.fillRect(a,a,a,a)
x.strokeRect(a+990,a,a,a)

Jan 14 2019 2:51 PM UTC

}// 138/140

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vgel

remix of d/27290 by u/vgel

function u(t) {

eval(unescape(escape`景爨眽瀽挮睩摴桼㵈㵍慴栮桹灯琻瀫㴲㜹ⱘ㴨儽瀥眩⼱攳ⴱⱙ㴨圽瀯睼〩⼵〰ⴱⱰ㰲收㭸⹦楬汒散琨儬圬猽㘰⽩ⱳ⤩景爨娽椽䐽ㄻ⬫椼㤦䐾⸱㬩娭㵄㵈⠨䠨⡃⡴⤪堭匨琩⩚⤬天⴮㐩Ⱘ䌨琩⩚⭓⡴⤪堩⤭⸱`.replace(/u([^D].)/g,'$1%')))

Mar 29 2023 7:06 PM UTC

}// 140/140

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dithered donut #sdf

u/vgel

got inspired by d/16174 for some ways to shrink it further :-)
u/Xen

shaved a few: for(w=p=c.width|=H=Math.hypot;p+=279,X=(Q=p%w)/1e3-1,p<2e6;x.fillRect(Q,W,s=60/i,s))for(Z=i=D=1;++i<9&D>.1;)Z-=D=H((H((C(t)*X-S(t)*Z),(W=p/w)/500-1)-.4),(C(t)*Z+S(t)*X))-.1
u/joeytwiddle

Nice effect!

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anthonylewis

function u(t) {

r=Math.random;c.width=500;s=.3
for(i=64;i--;)
a=r()*-400,b=r()*a*(s*=-1),x.fillRect(b+250,a+270,5,5)

Apr 12 2018 12:33 AM UTC

}// 100/140

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New_Core

function u(t) {

t?0:a=[]
for(i=9;i--;)a.push(~~(Math.random()*300)),x.fillRect(960+(b=99+(a.filter(i=>i===(d=a[a.length-1])).length)*9)*S(d),540+b*C(d),9,9)

Feb 9 2020 8:47 PM UTC

}// 140/140

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#growth

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rodrigo.siqueira

remix of d/27931 by u/tomxor

function u(t) {

for(c.width=A=128;A;(X^R)%7?R+=.1:T++<48?x.fillRect(A+3,36+T/R-z+9/t,T/96+S(t),2/R):(u=--A/64-1,R=1,T=-48))X=R*u+t,z=X*35+R,z=(z-T^T+z)%7>5

Jun 7 2023 7:50 PM UTC

}// 139/140

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#doom #maze #uncompressed

u/Xen

whaaaaaa :-O
u/tomxor

The horizontal lightbeams going up and down is somehow familiar... Think I gotta play Doom again :D (for research purposes of course)
u/magna

WOW

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eviltoad

remix of d/4992 by u/eviltoad

function u(t) {

c.width=1920;
for(var i=0;i<1920;i++){
  x.fillStyle=R(255*C(t),255*S(i),T(t));
  x.fillRect(i,550+S(t/4+i)*500*C(t+i),5,5)}

Jan 3 2018 2:31 PM UTC

}// 124/140

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BackendForth

remix of d/6196 by u/BackendForth

function u(t) {

t?r-=m:a=Array(w=200)
for(m=1,i=c.width=w;i--;){if(!t)r=9,a[i]=i*i%99
x.fillRect(i,0,1,q=a[i])
if(q>>r>a[i+1]>>r)a.splice(i,2,a[i+1],q),m=0}

Jan 19 2018 3:04 AM UTC

}// 140/140

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u/iverjo

Radix sort

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robbyg

function u(t) {

for(Y=i=45;Y--;)for(X=80;X--;x.fillRect(X*24,Y*24,24,24))x.fillStyle=X&Y&t*3?R(++i%200):'#fff'

Oct 21 2020 9:29 PM UTC

}// 94/140

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Just playing.