Dweets awesomed by u/nashcat

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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Agnes

function u(t) {

for(w=c.width|=i=9;i--;)x.rect(400+i*100+S(t)*300,400,50,200);x.clip();for(i=1e3,A=Math.random;i--;x.arc(w*A(),1080*A(),3*A(),0,7));x.fill()

Apr 25 2018 9:40 AM UTC

}// 140/140

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Noisy default

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prplz

function u(t) {

for(x.fillStyle=R(z=150+S(t)*50,20,200),i=99;i--;)z=t*200+i*666,x.fillRect(z%1920*1.1-68,z%1080*1.1-68,68,68)

Apr 24 2018 2:09 PM UTC

}// 110/140

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u/joeytwiddle

#purple

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hollo47

function u(t) {

c.width=g=999;for(i=-70;40>i;i++)for(j=1;80>j;j++)f=500*i,h=j-t%1,l(),f+=500,l();function l(){x.lineTo(500+f/h,(g+270*S(7*f))/h)}x.stroke();

Apr 24 2018 2:03 PM UTC

}// 140/140

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Further learning perspective. Landscape experiment!

u/joeytwiddle

That's cool! #landscape #perspective
u/jylikangas

Nice! There are some golfing opportunities. 124 byte version...for(c.width=g=999,i=-70;40>i++;)for(j=80;--j;l(f+=500))(l=e=>x.lineTo(500+f/h,(g+270*S(7*f))/h))(f=500*i,h=j-t%1) x.stroke()

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jylikangas

remix of d/7171 by u/jylikangas

function u(t) {

for(i=110;i--;)for(j=64;j--;x.fillStyle=R(L*=1+j*i&79?(2+t%6)*j:200,x.fillRect(i*T,j*T,T=18,T),L*2))L=!(j/8<6+C(i-j-t)&(j/9>3+S(i|3)|j%7<1))

Apr 23 2018 9:32 AM UTC

}// 140/140

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Neon city wakes up

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u/sigveseb

even better than before!
u/sigveseb

#city
u/BalintCsala

Sorry for the language, but what the fuck
u/iverjo

Nice! Better colors than your previous version https://www.dwitter.net/d/7171 #cityscape #pixel
u/hollo47

I love that there is so much going on in its 8bit aesthetic! Wouldn't mind this becoming a new trend!
u/zanella

The reflection doesn't match the buildings. Lame.
u/zanella

JUST KIDDING! It's freaking awesome!
u/jylikangas

Darn I knew there was a bug in there somewhere. :D
u/jylikangas

http://jsriffs.blogspot.fi/2018/04/making-of…
u/zanella

Thanks for the making of post, wish every cool dweet had one of those!
u/joeytwiddle

#landscape #scene #water
u/iverjo

#makingof

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yonatan

function u(t) {

for(w=(c.width=h=i=2e3)/50;i--;x.fillRect(X+S(p=t*4-d)*30,Y+C(p)*30,9,9))d=((h/2-(X=w*i%(h+w*8)-w*2))**2+(540-(Y=(i/58|0)*w-w*2))**2)**.5/65

Mar 21 2018 5:41 PM UTC

}// 140/140

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remix of cantelope's https://codegolf.tk/a/189

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jkjustjoshing

remix of d/7270 by u/New_Core

function u(t) {

i=1920;
j=Math.abs
for(;i--;)x.fillStyle=R(255,(t*600-i/3)%999,255),x.fillRect(i,500+100*j(T(i/599))*S(j(i/90)),1,40)

Mar 21 2018 1:07 AM UTC

}// 117/140

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u/AnielaMW

x.fillStyle=R((t*600-i*2)%999,255,255),
u/AnielaMW

x.fillStyle=R((t*600-i/9)%999,255,255),
u/AnielaMW

Here is green, but no black background...
u/AnielaMW

x.fillStyle=R((t*600-i/9)%999,255,(t*600-i/9)%999),
u/AnielaMW

i=1920;j=Math.abs;for(;i--;)a=(t*600-i/9)%999,x.fillStyle=R(a,255,a), x.fillRect(i,500+100*j(T(i/599))*S(j(i/90)),1,40)
u/AnielaMW

still trying to get the black background
u/joeytwiddle

This is wrong but perhaps you can fix it: i=1920;j=Math.abs;for(;i--;)a=(t*600-i/9|0)%999,x.fillStyle=R(0,a,0),x.fillRect(i,a?500+100*j(T(i/599))*S(j(i/90)):0,1,a?40:999)

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New_Core

function u(t) {

c.width|=q=99;for(a=i=310;i--;)x.rect(i%24*q-(a*S(t)+a)%198,i%26*q-a*C(t)+a,q,q);x.arc(a*S(t)+960,a*C(t)+540,200,0,7);x.fill('evenodd')

Mar 20 2018 6:08 PM UTC

}// 135/140

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u/13thptr

#checkerboard

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prplz

function u(t) {

eval(unescape(escape('景爨挮睩摴桼㵩㴹㭩ⴭ㬩砮晩汬剥捴⠴〰⭩⨱〰⭃⡴⤪㌰〬㐰〬㔰ⰲ〰⤠').replace(/..(..)(..)/g,'%$1%$2')))

Mar 20 2018 4:49 AM UTC

}// 90/140

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halves the size but adds 58

u/prplz

based on aem1k's hidden code http://aem1k.com/0/

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robbyg

function u(t) {

w=c.width=192,t||(y=[54]);y.push(Y=y.pop(),Y+(Math.random()-.5)*4);y=y.slice(-w);for(i=y.length;i--;)x.lineTo(i,y[i]);x.stroke()

Mar 19 2018 6:01 PM UTC

}// 128/140

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Inspiration from @alien https://www.dwitter.net/d/5150

u/alien

this is nice, i guess i was trying to force it too much by using sine waves function...

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Jezza

function u(t) {

if(!t)c.width=w=192,a=new Uint8Array(z=20736);for(m=0;m<z;m++)y=a[m]=(1.9+a[m+1]+a[m+w])/1.7,x.fillStyle=R(9,y,99),x.fillRect(m%w,m/w,1,1)

Mar 19 2018 9:24 AM UTC

}// 140/140

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I was doing something else and then this happened.

u/Xen

Nice
u/CtrlAltCuteness

Reminds me barely of old 3D from the old DOS era.

dwitter.net | nashcat (3000)