Dweets awesomed 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: #Food

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pavel

remix of d/11472 by u/cantelope

function u(t) {

for(k=c.width|=0;j=--k>>7;x.lineTo(960*(z+4*S(t)+.43*d*((k&120)-62)+S(a))/z,1e3/z))d=.5-(j+4*t&1),z=j+.6-4*t%1+C(a=k%8*d*2.1)*2/3;x.stroke()

Dec 18 2018 11:22 PM UTC

}// 140/140

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k=[4 bits for y][4 bits for x][3 bits for hexagon vertex]

Show more comments…
u/pavel

16*16*8=2048~=1920 so using width
u/pavel

.43~=3**.5/4, 2.1~=2*Math.PI/3
u/pavel

120=0b1111000 so k&120=x*8
u/pavel

I'm using a single stroke and no moveTo. This is a single curve, just lined everything up.
u/pavel

d is horizontal offset, even rows are offset from odd rows. Using +4*t&1 to explicitly cycle the animation every second instead of implicitly cycling every 2 seconds. Longer cycle leads to z<0 and glitches or hexagons that don't reach the camera.
u/magna

Wow!
u/aleamb

awesome!!!
u/pavel

#uncompressed with one plane

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cantelope

remix of d/11424 by u/pavel

function u(t) {

eval(unescape(escape`景爨硛氽❦楬汓瑹汥❝㴧⌰〰㔧ⱸ学㴧晩汬剥捴❝⠰ⰰⱫ㴲攳Ⱬ⤻樽ⴭ款㸶㭸学崨⡩⵪⬴⤪本太本猽未术㈰ⱳ⤩椽欥㘴Ⱨ㴹㘰⼨㌸⵪⤬硛汝㵠桳污⠤笨夽⠸⭃⡩⼴⤪䌨⡴⨳〭橼〩⼴⤪㌩⤪㐰⬱㐰紬㤹┬㜰┬⸵总`.replace(/u(..)/g,"$1%")))

Dec 15 2018 3:06 PM UTC

}// 140/140

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pavel

remix of d/11421 by u/pavel

function u(t) {

for(x.fillRect(0,0,k=2e3,k);j=--k>>6;x.fillRect((i-j+4)*g,(8+C(i/4)*C((t*30-j|0)/4)*3)*g,s=g*g/200,s))i=k%64,x.fillStyle=R(4*i,g=960/(35-j))

Dec 15 2018 10:08 AM UTC

}// 140/140

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u/cantelope

impressive
u/iverjo

#perspective

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jylikangas

function u(t) {

eval(unescape(escape`景爨硛昽≦楬汒散琢崨〬〬眽㙥㌬眩ⱴ⨽㤹Ⱪ㴳㔰㬭⵩㭸⹦楬汓瑹汥㵒⡩ⱸ学崨含⡴☲⤪稭欯㈬夽稪㈫启㈬稯㔫欪㌬稯㠩ⱔ㴹㘰⭓⡓⡴⼹㤩⨲⤪㤹⵺ⰮㄫⅫ⤬硛晝⡔⵺⨳ⱙⱺ⨸Ⱝ琯㤥㤪欩⥺㵷⽩Ⱬ㴡⠭⵴☱㔩⩺`.replace(/u(..)/g,"$1%")))

Dec 11 2018 10:29 AM UTC

}// 140/140

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Ghost Train v2

u/jylikangas

HD resolution, brighter, clean beginning, different tunnel and more complex path
u/metamero

https://youtu.be/kNkvepA4AZU yeah yeah yeah yeah yeah
u/f8f82804

#outrun #ethereal
u/vain

holy cow! How is this possible? Incredible !!!

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pavel

function u(t) {

for(c.width|=i=60,x.scale(5,5);i--;x.ellipse(192,20+o*160,o?60:80,o?30:15,0,a=(i>>1)*(o-.5)*.42+S(3*t)*.7,a+7))o=i+i/2&1
x.stroke()

Dec 11 2018 1:37 AM UTC

}// 131/140

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Twisted Cylinder #beesandbombs

u/pavel

Single stroke call and only ellipse to draw. The lines are canvas connecting the various ellipse draw cal into a single stroke, I just manage the start angles.
u/pavel

o determines which ellipse, 0 is top and 1 is bottom. It goes: top, bottom, bottom, top. Four-cycle to draw two vertical lines and reset. The angle increments every 2 so top and bottom angle is the same.
u/jylikangas

Thanks for writing about the tricks in your dweets.

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ETHproductions

function u(t) {

eval(unescape(escape`景爨挮睩摴栦㵩㴭ㄷ㭩⬫㰱㌻⥦潲⡪㴭ㄷ㭪⬫㰱㌻砮晩汬剥捴⠨ㄵ⭱⨨樭椩⤪㘴⭓⡴⨴⤪搬⠱㔫焪⡩⭪⤩⨴〫䌨琪㐩⩤ⰹⰹ⤩娽椾〦樾〿〺樼椿樺椬堽樭娬夽椭娬焽⴨堼㔦夼㔦ⵚ㰵⥼ㄬ搽焪㐪⡘⭙ⵚⴶ⤫㈴`.replace(/u(..)/g,"$1%")))

Dec 7 2018 7:08 PM UTC

}// 138/140

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#cube in a corner

u/ETHproductions

Based on a tweet which I've just realized is *not* by beesandbombs: https://twitter.com/jn3008_/status/107080665…
u/katkip

This is awesome
u/katkip

uncompressed: for(c.width&=i=-17;i++<13;)for(j=-17;j++<13;x.fillRect((15+q*(j-i))*64+S(t*4)*d,(15+q*(i+j))*40+C(t*4)*d,9,9))Z=i>0&j>0?0:j<i?j:i,X=j-Z,Y=i-Z,q=-(X<5&Y<5&-Z<5)|1,d=q*4*(X+Y-Z-6)+24
u/katkip

#illusion
u/joeytwiddle

#form_from_motion

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pavel

remix of d/11314 by u/pavel

function u(t) {

for(x.fillRect(j=11,0,2e3,2e3);k=20*--j;)for(i=241;i--;)x.clearRect(i*(8-j/6)+k,600-k-300/j*S(i*(2*j-1)/76.4)*S(j*t),s=12-j,s)

Dec 6 2018 8:47 AM UTC

}// 126/140

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Standing waves #beesandbombs

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katkip

remix of d/11305 by u/katkip

function u(t) {

t||x.translate(960,540);x.rotate(1.57);x.fillRect(0,500,5,20),x.fillStyle=R(128+T(t),128+C(t)*99,128+S(t*3)*99);x.drawImage(c,0,0,2e3,1e3)

Dec 5 2018 3:04 PM UTC

}// 138/140

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Looking at this saved me from suicide

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u/firegodjr

Insanely cool
u/magna

Wow! This is rich. #keepsongiving And I also hope you're feeling OK (re: the suicide comment, that should never be overlooked.)
u/katkip

I am pretty retarded, sorry :'}
u/metamero

@magna thanks for your precise words!!
u/metamero

an @katkip I'm your fan <3 <3
u/donbright

reach out if you need it, 1-800-273-TALK (8255)
u/joeytwiddle

#kaleidoscope
u/katkip

number #1 in top, 10 dec 2018, yay
u/katkip

(weekly)
u/13thptr

very good, especially in fullscreen
u/KilledByAPixel

beautiful
u/lars-erik

138 bytes doesn't get better than this! 🤯❤

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pavel

remix of d/11280 by u/pavel

function u(t) {

for(c.width|=i=36;j=60*(--i>>2);x.fillRect(-j,0,2*j,u>0||9))x.setTransform(u=C(a=(i/2+t/8)*Math.PI),v=S(a),0,4,960+j*v,256+j/2-j*u)

Dec 5 2018 4:20 AM UTC

}// 131/140

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#pyramid v2

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rodrigo.siqueira

remix of d/11161 by u/katkip

function u(t) {

c.style.background='#368';c.width=600;for(n=12;n--;)x.lineTo(300+S(n*n+t/2)*180,160+C(n*n+n)*140);x.fill()

Nov 26 2018 5:06 PM UTC

}// 106/140

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Rotating Object

u/katkip

...

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