Dweets awesomed by u/robbyg

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.

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Current theme challenge: #Opposites

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rodrigo.siqueira

function u(t) {

K=3.5
if(!t){for(b=-K;b<=K;b++)for(C=-K;C<=K;C++)for(a=-K;a<0;a++)for(X=680;X--;x.fillRect(X*1.7+380,540+Y,2,2))Y=(C*120+a*(X-340))/b*1.5}

Apr 19 2021 4:20 PM UTC

}// 138/140

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Cover of "Computers And Automation And People" magazine, January, 1973. I was able to recreate the image based on a small description (in page 5): "Front Cover Picture: The front cover drawing, called "Phropase", was produced by an Algol 60 program, drawing straight lines ax + by + c = 0, where a, b and c were "stepped arithmetically in nested loops". The computer used was an ICL 1904A, driving a Calcomp 1934/6 plotter. The programmer artist is Nihan Lloyd-Thurston.

u/rodrigo.siqueira

Here is the full journal with it's cover artwork and description: https://archive.org/details/bitsavers_comput… "Computers And Automation And People", Jan., 1973
u/smtsjhr

thats so cool and well done! I find this kind of exercise to be very inspiring : )

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magna

function u(t) {

c.width=1920
x.globalCompositeOperation='xor'
for(i=18;i--;)x.fillRect(400+i*50+S(t)*300,400+i*S(t/9)**9*200,2e3,200)

Apr 19 2021 12:25 AM UTC

}// 117/140

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#default xor #glitch

u/magna

#waitforit
u/DataMeta

whoa! nice one

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BackendForth

function u(t) {

for(c.width|=i=0;i<9;i++)
for(j=1080;j-=4;)
x.fillRect(i*240,j,t*9*S(t*i+j/t),4)

Apr 18 2021 12:38 PM UTC

}// 80/140

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u/Xen

#waitforit love it!
u/DataMeta

#keepsongiving cool!

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magna

remix of d/22521 by u/magna

function u(t) {

c.width=77
r=_=>Math.random()**S(t)
for(i=999;i--;x.fillRect(16+i%9*4+S(t)*12+W,16+H,2-W*2,8-H*2))x.fillStyle=R(C(t)*255,W=r(),H=r()*4,.1)

Apr 18 2021 6:47 AM UTC

}// 138/140

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#default #glitch

u/Xen

nice

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KilledByAPixel

remix of d/22514 by u/KilledByAPixel

function u(t) {

for(i=2e3;!t&&i--;)document.write`<button style=width:16;height:16 onmouseover=event.buttons?this.style.background=event.altKey?'':R():0>`

Apr 18 2021 2:00 AM UTC

}// 138/140

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Pixel Art Tool - Click to draw, hold alt to erase!

u/Nascretis

7w7

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taupelink

remix of d/22452 by u/taupelink

function u(t) {

for(i=k=300;--i;x.fillRect(9**t*X*C(Y),720-q*S(Y),q/t,-Y/3*i>>t))f=i*t,X=f*f%k,Y=X*f%6.3,q=i*C(X**S(Y))/t**Y,x.fillStyle=R(q%X,i/T(Y),q,9/q)

Apr 17 2021 10:02 PM UTC

}// 140/140

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d/22541

u/magna

Love it!
u/danny@hille.dk

skyline timelapse - this is now my favorite u/taupelink
u/sigveseb

incredible!
u/taupelink

See d/24420 for a wireframe version

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KilledByAPixel

remix of d/646 by u/xem

function u(t) {

c.width=450;C=18;for(i=j=0;i<
118;j+={1:17,4:11,12:11,56:54,88:54,70:-68,102:-68}[i]|1)x.strokeRect(A=j%C*C+C,j+9,C,C),x.fillText(++i,A,j+C)

Apr 16 2021 8:11 PM UTC

}// 140/140

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Numbered Periodic Table - thanks to xem #periodictable

u/Xen

love it!
u/nystrand

very nice
u/DataMeta

whoa nice one
u/stiaje

What!
u/donbright

!!!

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KilledByAPixel

function u(t) {

eval(unescape(escape`𭰽𞐴𞱥👦👴𚠶𜁼𜀊𩠫👦🱦🠳🱦🠱𜐿𩠾𜐰𜐿𞀺𩠾𞀷𙡦🀱𜀲🰷𝠺𩠾𝠹🰲𜠺𩠾𝐵𙡦🀷𜀿𞐰𞠳𝠺𜠶𞠱𝠺𜀊𭱩𭁨𚁸𚑦𫱮𭀽𘠳𩑭𘁩𫑰𨑣𭀢𛁥🀱𜐸𙠦𬱴𬡯𪱥𤡥𨱴𚁘👷𚱦𙐱𞀪𭰬𭰫👷𚠨𩠯𜐸𯀰𚐬𞀳𛀸𜰬𫁩𫡥𥱩𩁴𪀽𜰬𩡩𫁬𥁥𮁴𚁥𚰱𛁘𚰹𛁷𚰵𜀩𚐻`.replace(/u../g,'')))

Apr 16 2021 5:17 PM UTC

}// 140/140

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Periodic Table of Elements

u/KilledByAPixel

#periodictable

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magna

remix of d/22518 by u/magna

function u(t) {

r=n=>Math.random()*n|0
c.width|=0
for(i=9;i--;)for(j=99;j--;x.fillRect(400+i*100+S(t)*300,400,r(50),r(200)))x.globalCompositeOperation='xor'

Apr 16 2021 5:21 AM UTC

}// 140/140

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#default #glitch

u/taupelink

Nice!
u/magna

u/taupelink I actually wanted to apply your fractal painting style, but couldn't pull it off

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taupelink

remix of d/22495 by u/taupelink

function u(t) {

for(i=k=400;--i;x.fillRect(k*X*C(Y),i*X*S(Y),q>>t,m>>t))f=i*t,X=f*f%15,Y=X*f%2,x.fillStyle=`hsl(${q=C(X%Y)*i/2},80%,${m=65*S(q/7)}%,${m/q})`

Apr 16 2021 2:17 AM UTC

}// 140/140

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d/22519

dwitter.net | robbyg (44918)