Dweets awesomed by u/Cloud

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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KilledByAPixel

remix of d/13431 by u/KilledByAPixel

function u(t) {

for(c.width=i=96;i--;)for(j=55;j--;x.fillText("Video 1",i,j+z))f=255*Math.random(z=i||j?0:9)+99*z,x.fillStyle=R(f-z*f,f,f),x.font=z+1+
"px'"

Jun 5 2019 7:30 AM UTC

}// 140/140

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Dang, now it's set to Video 1 and I lost the remote!

u/joeytwiddle

f*!z to save 1 char

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New_Core

function u(t) {

for(c.width|=q=i=300;i--;x.fillRect(i,0,9,30))x.fillStyle=`hsl(${v=i+t},99%,50%)`,x.setTransform(a=C(v),b=S(v),a,-b,q*i%2e3,-q+v/6*q*5%2e3)

May 23 2019 2:43 PM UTC

}// 139/140

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konfetti =)

u/Xen

nicely done
u/katkip

#particles
u/username

confetti?

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katkip

function u(t) {

eval(unescape(escape`爽䵡瑨⹲慮摯活挮睩摴株㴱㭩昨ⅴ⥻焽孝㭦潲⡩㴳㤻椭ⴻ⥱⹰畳栨孩⨵〭爨⤪㈵ⰵ㤰ⰱ崩素景爨椠潦ⁱ⥸⹦楬汒散琨楛そ⬽⡲⠩⴮㔩⩩嬲崬⡩嬱崼㄰㈰㽩嬲崫㵲⠩㩩嬲崪㴭⸷Ⱪ嬱崫㵩嬲崩ⰵ〬㔰⤻`.replace(/u(..)/g,"$1%")))

May 15 2019 1:01 PM UTC

}// 134/140

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#default #collision #physics #fall #gravity #velocity #bounce #bouncy

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rodrigo.siqueira

remix of d/13523 by u/Jezza

function u(t) {

x.beginPath();x.globalAlpha=.2;if(t<31)
for(i=9,j=.1,X=960,k=Y=540;k=k/2,i=i-1;j*=-3)
X+=C(f=4*t*j)*k,Y+=S(f)*k,x.lineTo(X,Y)
x.stroke()

May 1 2019 2:13 AM UTC

}// 136/140

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x.LineTo version of #epicycles #fractal #spirograph

u/Jezza

Beautiful!

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DirtyDan

function u(t) {

for(c.width+=i=0;i++<4;)for(j=0;j++<4;){x.arc(480+180*j,90+180*i,90+90*(1+S(t*(i+j))),0,6.29);x.closePath()}x.fill("evenodd")

Apr 30 2019 9:52 PM UTC

}// 125/140

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username

remix of d/13546 by u/username

function u(t) {

x.font=`3em'`
for(_=18;_--;)for($=32;$--;)x.fillText(String.fromCodePoint(128336+(_+$+t*18^0)%24),$*60,99+_*60)

Apr 30 2019 5:44 PM UTC

}// 111/140

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time in 111 bytes

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pavel

remix of d/13492 by u/KilledByAPixel

function u(t) {

for(c.width%=i=3600;i--;x.fillRect(535+S(t)*300+i%9*99+i/9%10*5/a,440+(i/90|0)*5-40/a,6,6))a=1/(1+7**(t-5-S(i*i)-i/500)),x.globalAlpha=a*a

Apr 27 2019 9:29 AM UTC

}// 138/140

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mr #default I don't feel so good #tribute

u/pavel

Awesome idea, I just had to #uncompress it.
u/pavel

#uncompressed
u/KilledByAPixel

Wow, better thenthe original and uncompressed. Damn you pavel.
u/katkip

#thanos is my daddy

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pavel

remix of d/13487 by u/KilledByAPixel

function u(t) {

for(i=t?c.width|=d=_=>u[j=q&-64|p>>6]=-!u[j]|1:(p=q=540,r=7,s=4);i--;)u[i]||x.fillRect(i?i%64*64:p+=r*=d(p+=r),i?i:q+=s*=d(q+=s),z=i?64:9,z)

Apr 27 2019 4:26 AM UTC

}// 140/140

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#breakout #tribute

Show more comments…
u/pavel

Had to make some visual sacrifices to get this #uncompressed
u/pavel

I discovered p+=r*=d(p+=r);q+=s*=d(q+=s) as part of messing around with this. Why does it work?
u/pavel

:)
u/KilledByAPixel

Oh wow, nice! That's the code that updates the position, velocity and applies collision for x and y. It needs to call the d function to check its colliding and also set the block to 1 if it does. It needs to check x and y separately so it knows which side to bounce off
u/pavel

Notice how d only takes one argument, and it ignores it.
u/KilledByAPixel

I see what you did there. So many great tricks in this one.
u/pavel

p+=r*=d(p+=r) the inner p+=r increments p and d ends runs with that value, however the outer p+= caches the old value of p so when d resolves the inner p+=r is silently ignored!
u/pavel

#physics

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katkip

remix of d/13410 by u/katkip

function u(t) {

x.translate(960,440);x.fillText(".",0,0)
x.rotate(Math.PI*2/3)
x.drawImage(c,59,20,620,1040)

Apr 23 2019 2:34 PM UTC

}// 92/140

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Centroid #fractal

u/katkip

https://www.openprocessing.org/sketch/698984

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DataMeta

function u(t) {

c.style.background=R();with(x)for(c.width|=i=0;i<255;beginPath(fill(rotate(.404))))fillStyle=R(i++,o=S(t-i)*i/2,-o),arc(960+o,540+o,i/2,0,7)

Apr 20 2019 8:18 PM UTC

}// 140/140

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