Dweets awesomed by u/Oneno

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/10809 by u/f8f82804

function u(t) {

c.width=480;for(k=8;k--;)for(n=7;n--;x.lineTo(240+400*r*C(p)/z,160*'0347430'[n]/z))r=n%3>0,z=5+r*S(p=n%4/1.6+1.26*k-t%1.26+3.14);x.stroke()

Nov 1 2018 6:03 PM UTC

}// 139/140

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#wireframe #d3 #perspective #decahedron #d10 -- tweaked the geometry slightly and added weight to some lines by drawing them multiple times with a small angular error

u/f8f82804

#pentagonal #trapezohedron

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f8f82804

remix of d/10804 by u/f8f82804

function u(t) {

c.width=480;i=0;for(y of'0111111210121012')x.lineTo(240+y%2*S(p=t-2.5*'0012340010203040'[i++])*(z=400/(3+y%2*C(p))),y*z);x.stroke()

Oct 31 2018 8:28 PM UTC

}// 131/140

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#pentagram -- #d3 #perspective #wireframe

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jylikangas

function u(t) {

eval(unescape(escape`景爨挮睩摴栽椽ⴹ㭩⬫㬩硛昽❦楬汒散琧崨堽㤹ⵃ⡴ⴽ启㔹⤪⠹〫椪㔩ⱘ⼹⭃⡴⨴⤪⡔㵩⬴⤪⨲⼵ⱳ㴷⬡吪㐬猭㔩㭦潲⠻椫⬼㌰〻⥸学崨椬㤹ⵃ⡩⼳ㄩ⨹Ⱞ㔬匨椯㠹⤪㤩㭸⹳捡汥⠭⸶ⰱ⤻砮摲慷䥭慧攨挬⵩ⰵ〩`.replace(/u(..)/g,"$1%")))

Oct 30 2018 1:39 PM UTC

}// 140/140

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Vultures

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u/yonatan

Single vulture: for(c.width=i=300;i-->-4;)x[f='fillRect'](i,99-C(i/31)*9,.5,S(i/89)*9),i<5&&x[f](X=99-C(t+=i/59)*(90+i*5),X/9+C(t*4)*i**2/5,s=7+!i*4,s-5)
u/yonatan

Nice trick with the flipped drawImage!
u/jylikangas

Thanks! Here's two vultures without compression... 'for(c.width=i=-9;i++;)x.fillRect(X=99-C(t-=T/59)*(90+i*5),X/9+C(t*4)*(T=i+4)**2/5,5+(s=2+!T*4),s) x.scale(-.5,1) x.drawImage(c,-290,50)'
u/yonatan

Here's a whol bunch of 'em for(c.width=i=-9;i++<9;)i<0?x.fillRect(X=99-C(t-=T/59)*(90+i*5),X/9+C(t*4)*(T=i+4)**2/5,5+(s=2+!T*4),s):x.scale(-.9,.9)|x.drawImage(c,-290,50)
u/magna

Whoa!
u/iverjo

Clever technique
u/iverjo

#birds

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jylikangas

function u(t) {

for(c.width|=i=9,x.translate(960,540),x.rotate(S(t)*3);i--;x.fillRect((F=e=>--e*q*(D>1?D:1)-q/2)(i%3),F(i/3|0),q,q))D=t%2*6-i,q=400/(t%2-3)

Sep 16 2018 6:02 AM UTC

}// 139/140

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Block party

Show more comments…
u/BalintCsala

But....how?
u/katkip

wow
u/katkip

wow
u/katkip

wow
u/katkip

wow x952
u/lionleaf

Now that's impressive! #infinite #zoom
u/DataMeta

Brilliant.
u/joeytwiddle

Superb!
u/katkip

#beesandbombs
u/Cloud

Cooool!!!!

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jylikangas

function u(t) {

for(x.fillRect(0,i=-9,W=2e3,W);++i-9;)for(j=28;j-->9;x.clearRect(960-i*700/j,700-W/j*T(t/2-(q<9||q)/99),300/j,150/j))q=T(i*j+t/j)

May 15 2018 8:12 PM UTC

}// 129/140

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Shattering floors

u/jylikangas

Inspired by http://sid766.tumblr.com/post/172062394600

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jylikangas

remix of d/7471 by u/jylikangas

function u(t) {

A=r=>x.fill(x.arc(960+R*C(t),540+R*S(t),t?r:1e4,0,7))
f=t?!f:0
t+=f*3
x.beginPath(A(R=180-f*3))
x.fillStyle='#'+(f?'ddd':559)
t&&A(45)

Apr 28 2018 4:16 PM UTC

}// 134/140

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Animated Yin Yang v2

u/jylikangas

Remixed with better golfing and black background
u/prplz

x.fillStyle=f?'#ddd':'#559'
u/BirdsTweetCodersDweet

#tagfail inside a code block? Hmmmm
u/geb

#background

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jylikangas

function u(t) {

c.width=300+S(t/2)*99
with(x)for(i=17;--i;fill())globalAlpha=.2,arc(X=99+i*S(t/3)*3,70,450/(Z=i-t*6%1),2.7,6.7)&rect(X-(z=150/Z),70+z,z*2,7)

Mar 31 2018 10:18 AM UTC

}// 140/140

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Tribute to Strange Crystals

Show more comments…
u/iverjo

Very good tunnel!
u/p01

✨ You can save 3 bytes by replacing 2.7 and 6.7 by 9 and 13
u/jylikangas

Thanks! Improved version: c.width=W=350+C(t)*150 with(x)for(i=17;--i;fill())globalAlpha=.2,arc(X=W/2+i*S(t/3)*4,70,450/(Z=i-t*8%1),9,13)&rect(X-(z=150/Z),70+z,z*2,7)
u/iverjo

#tunnel
u/sigveseb

#witchcraft
u/pavel

Even better with(x)for(c.width=W=350+C(t)*150,i=17;--i;fill(rect(X-z,70+z,z*2,7)))globalAlpha=.2,z=150/(i-t*8%1),arc(X=W/2+i*S(t/3)*4,70,3*z,9,13)
u/vain

This psydo 3D programming is just too high for me! My biggest respect! ! ++++

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jylikangas

function u(t) {

for(c.width=i=W=300;i-=2;)for(j=40;j<W;x.fillRect(i,j++-h,2,h+1))x.fillStyle=R(h=((d=W*3/j)*S(A=i/W+S(t))-t&d*C(A)+t*9&7)*99/d,j|2,!h&&W-j)

Mar 8 2018 6:16 AM UTC

}// 139/140

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Tuulian Minecraft :)

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u/yonatan

Beautiful!!
u/nystrand

Impressive!
u/joeytwiddle

Flipping awesome!
u/aleamb

epic!!
u/loni_art

Damn! my pc is dyingwith this but at least its awesome!
u/magna

What. The.
u/artfarnaa

Dangerous if this got out.
u/zanella

... AND there's still one character left. Jesus!
u/p01

AMAZING! Btw, you can save 3 bytes without changing the visuals or camera path by using fillRect(i,j++,2,~h) ;)
u/jylikangas

Thanks all! p01 - I didn't know fillRect takes negative height. That's gonna save bytes in my other demos too - big thanks for the tip!
u/jylikangas

118 byte version including Mathieu's tip... for(c.width=i=W=199;i--;)for(j=9;j<W;x.fillRect(i,j++,2,~h))x.fillStyle=R(h=((d=W*4/j)*S(A=i/W)&d*C(A)+t)*99/d,j,h||W)
u/jylikangas

<W;x.fillRect(i,j++,2,~h))x.fillStyle=R(h=((d=W*4/j)*S(A=i/W)&d*C(A)+t)*99/d,j,h||W)
u/iverjo

Wow, incredible!
u/p01

https://www.dwitter.net/d/7337 Check out "Tuulian Minecraft: Sheep edition": 140 characters and one sheep.
u/iverjo

#minecraft
u/donbright

:O
u/Conjuror

love it and it is cool
u/vain

Unbelievable cool faked 3d minecraft like scene
u/CalSch

My phone's cpu does not vibe with this, but it is cool nonetheless.

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retera

function u(t) {

c.width=w=1920
v=t+400
for(q=255;q--;){x.fillStyle=R(q,q,q);x.beginPath();x.arc(w/2+C(v-q)*(v+q),540+S(v-q)*(v-q),40,0,6.283,!1);x.fill()}

Dec 28 2017 8:54 AM UTC

}// 138/140

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u/Xen

nice style
u/geb

#background
u/vain

well done!

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