Top dweets by u/f8f82804

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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f8f82804

remix of d/10686 by u/f8f82804

function u(t) {

c.width^=i=0;for(y of'0111111210121012')x.lineTo(960+y%2*S(p=t+1.257*'0012340010203040'[i++])*(z=1600/(3+y%2*C(p))),y*z);x.fill('evenodd')

Oct 31 2018 6:32 PM UTC

}// 138/140

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#d3 #perspective #decahedron -- this is a #pentagonal #bipyramid

u/f8f82804

thanks to u/pavel for the suggestions that made this possible!

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f8f82804

remix of d/10286 by u/f8f82804

function u(t) {

with(x)for(s=1e3,j=5;--j;)for(i=7;shadowBlur=i*i--;fillRect(3*s*Math.random()-s,j*t%1*s,s,6))shadowColor=`hsla(${t+T(t)}turn 85%50%/.3`

Oct 25 2018 9:57 PM UTC

}// 135/140

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broken #tv #glow

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f8f82804

remix of d/10325 by u/f8f82804

function u(t) {

c.width=640;for(i=9;i--||x.stroke();x.lineTo(320+280*S(b=t+Math.atan2(a(2),a(4)))/(Z=3+C(b)),99+22*a(1)/Z))a=x=>((j=i&7)/2^j)&x?9:-9

Oct 12 2018 4:01 AM UTC

}// 132/140

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#golf #cube #perspective #d3

u/f8f82804

#wireframe

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f8f82804

function u(t) {

if(t%.5<.01)c.width=480,x.font='96px a',s=[...'🦇🦉🕷🕸🎃🏚🌃🤡👹👺👻💀👽👾🧛🧞🧟🔮⚰☠'],x.fillText(s[Math.random()*(s.length)|0],196,180);

Sep 25 2018 6:48 PM UTC

}// 120/140

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just saving some #emoji for later

u/rep_movsd

#ScaryMovies ?

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f8f82804

remix of d/10078 by u/keithclark

function u(t) {

for(i=(c.width|=0)/3;i--;x.font=7+C(j=t*9+(X+Y)/4)+'mm a',x.fillText([...'🔵⚪🔴'][X/11|0],480+C(j)*4+X*32,240+S(j)*4+Y*32))X=i%31,Y=i>>5

Sep 25 2018 6:11 PM UTC

}// 134/140

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#flag

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f8f82804

remix of d/8873 by u/Xen

function u(t) {

x.beginPath()
x.fillStyle=`hsla(${t*199} 99%40%/.006)`
x.ellipse(960,540,C(t)**2*1200,S(t/=2)**2*1e3,S(t+C(t/4))/9,0,7)
x.fill()

Sep 12 2018 1:06 AM UTC

}// 128/140

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f8f82804

function u(t) {

s=S(t);for(U=V=0,z=i=128;i--;)for(j=z;j--;x.fillRect(8*i+450,8*j,8,8))U+=z+i+s,V+=z+j+s,x.fillStyle=R(z*(U>z&&(U-=256)),0,z*(V>z&&(V-=256)))

Aug 30 2018 2:00 AM UTC

}// 140/140

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2D palette rendered with 4 colors via error diffusion dithering

u/f8f82804

#dithering

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f8f82804

remix of d/9489 by u/f8f82804

function u(t) {

eval(unescape(escape`攽孝㭦潲⡡㴶〻愭ⴻ⥦潲⡢㵳㴳㐬䔽敛戭ㅝ簰㭢ⴭ㭸⹦楬汒散琨猪愬截猬猬猩⥰㴹㤫愪截匨琩⼲⭅ⱸ⹦楬汓瑹汥㵒⡱㵳⨨瀯獼〩ⱱ⼷ⱱ⼲⤬䔽敛戭ㅝ簰Ᵽ㵰⵱ⱥ孢ⴱ崽振㴱㘬敛扝⬽挪㔬敛戫ㅝ⬽挪㌬䔫㵣⨷`.replace(/u(..)/g,"$1%")))

Aug 28 2018 3:59 AM UTC

}// 138/140

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Floyd-Steinberg #dithering #compressed

u/f8f82804

e=[];for(a=60;a--;)for(b=s=34,E=e[b-1]|0;b--;x.fillRect(s*a,b*s,s,s))p=99+a*b*S(t)/2+E,x.fillStyle=R(q=s*(p/s|0),q/7,q/2),E=e[b-1]|0,c=p-q,e[b-1]=c/=16,e[b]+=c*5,e[b+1]+=c*3,E+=c*7

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f8f82804

function u(t) {

with(x)f=d=>d--&&(fillRect(0,0,3,1),rotate(a=S(t)/9),translate(0,-d),f(d),translate(0,d),rotate(-a)),t||translate(960,540),rotate(.01);f(48)

Aug 26 2018 11:43 PM UTC

}// 140/140

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u/katkip

It is getting so beautiful after 1 minute

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f8f82804

remix of d/9187 by u/f8f82804

function u(t) {

with(x)for(φ=311;α=S(θ=φ/99),β=99*α*S(--φ+t);beginPath(fillStyle=`hsl(${φ} 90%${9+(β>0)*β}%`))fill(arc(β+960,75*(α*C(φ+t)-C(θ)+6),20*α,0,7))

Aug 10 2018 5:54 PM UTC

}// 140/140

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#golf #sphere #animated #diffuse #shading #sequins #sprite

u/f8f82804

#pbr

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