Dweets awesomed by u/DataMeta

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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Xen

function u(t) {

for(q=i=255;i--;x.fillStyle=R(q*S(z),q*C(z),q*S(z+t)))x.fillRect(i*39+S(z=t-i/9)*q,0,i*C(z),1E3)

Dec 12 2019 8:56 PM UTC

}// 96/140

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quick golf and test

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katkip

function u(t) {

for(i=-55;i++<53;)for(j=39;j--;)x.fillStyle=R(i<0?255+i*2:0,i<0?155+i*8:0,i<0?0:S(i*i+j/2+t*i/12)*i*5,.2),x.fillRect(j*50,i*10+540,50,50)

Dec 11 2019 9:24 PM UTC

}// 137/140

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ｓｕｎｗｅｎｔｄｏｗｎ#landscape #waves

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KilledByAPixel

function u(t) {

with(x)for(c.width|=q=i=640,font='9em"',fillText('Dual Axis Rotation',400,170);i--;)beginPath(fill(arc(960+q*S(i*2),q+350*C(t+i*3),30,0,7)))

Dec 10 2019 4:50 AM UTC

}// 140/140

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I am in the top 10 Best Illusions of the Year! Help me win by voting at: http://illusionoftheyear.com/vote

u/katkip

i voted
u/katkip

it's a good find
u/metamero

wow! impressive. voted
u/metamero

#illusion #opticalillusion
u/KilledByAPixel

i won ;)

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New_Core

function u(t) {

for(i=9;i--;)t<15?x.fillRect(960+i*50*S(t),99+i*110-t**C(t)*9,9,9):x.fillRect(920,980,99,99)

Dec 9 2019 7:19 PM UTC

}// 92/140

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a tree without christmas decorations

u/DataMeta

#waitforit

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DataMeta

remix of d/16813 by u/Xen

function u(t) {

x.fillRect(0,0,c.width|=j=560,2e3);for(r=Math.random;j--;)x.clearRect(64*(j%32),64*(i=j/32|0),r()*S(i^t)*1e3-j,r())

Dec 7 2019 11:40 PM UTC

}// 115/140

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degraded VHS tape

u/DataMeta

Friendly reminder - convert your memories on VHS to digital to safeguard them

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DataMeta

remix of d/16500 by u/DataMeta

function u(t) {

c.style.background=R(r=Math.random);for(c.width|=j=560;j--;)x.fillStyle=R(h=192,h,h),x.fillRect(64*(j%32),64*(j/32|0),r()/r()/11,r()/r()/11)

Dec 7 2019 5:21 AM UTC

}// 140/140

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Old film effect

u/DataMeta

108: x.fillRect(0,0,c.width|=j=560,2e3);for(r=Math.random;j--;)x.clearRect(2e3*r(),1e3*r(),r()/r()/20,r()/r()/20)
u/DataMeta

paste into another dweet to avoid cached background style

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KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁩🐰𞱩🀱𩐳𞱳𨑶𩐨𬡥𬱴𫱲𩐨𩡩𫁬𤡥𨱴𚀰𛀰𛁦🰲𩐳𞠹𛁦🰲𩐳𞠭𝐰𚐩𚐩𭁲𨑮𬱬𨑴𩐨𚁦👩🀲𚐿𜀺𪐪𚠴𙐱𞐲𜠬𩠿𪐿𝰶𞐺𜀺𝰷𜀫𪐯𜰩𛁲𫱴𨑴𩐨𬐽𩠿𜀺𤰨𭀪𝀫𪐯𜠹𚐯𝀩𛁦𪑬𫁓𭁹𫁥👩𚰫🱒𚁱𚠽𜐹𞐬𩠿𜠰𞠹𞐫𪐥𜐵𜀭𬐯𝀩𞠢𘱁𠡆𘠻`.replace(/u../g,'')))

Dec 6 2019 6:52 PM UTC

}// 140/140

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Grassy

u/KilledByAPixel

🌱 inspired by https://codepen.io/ycw/full/LYYwwWE

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katkip

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪀪🐱𞱺🐱𜠭𭀾𜀿𜐲𛑴𞠰𞱩𩠨𘑴𚑻𬐽𦱝𞱦𫱲𚁩🐹𞱩𛐭𞰩𩡯𬠨𪠽𜐰𞱪𛐭𞰩𬐮𬁵𬱨𚁻𮀺𤰨𪐫𪠩𚠲𩐳𛁹𞡃𚁪𚡩𚐪𜡥𜰬𥀺𜰵𜀫𪐪𜐰𜀬𭀺𝀰𜀫𪠪𜠰𯐩𯑦𫱲𚁯𘁯𩠠𬐩𮀮𩡩𫁬𤡥𨱴𚁯𛡸𚰽𚁯𛡔🡯𛡸𚐿𮠺𛑺𛁯𛡹𚰽𚁯𛡴🡯𛡹𚐿𮠺𛑺𛀵𜀬𜠰𚐠`.replace(/uD./g,'')))

Dec 6 2019 1:05 PM UTC

}// 140/140

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How to build a #default tutorial #waitforit

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seism

remix of d/16784 by u/generateme

function u(t) {

for(i=0;i<99;i++)for(j=0;j<50;j++){x.fillStyle=`hsl(${i*t},89%,60%,.1`;x.fillRect(i*20,j*20,40*C(t+S(i*j+t/9)^2),9*S(t/11+C(t)*T(t*2+j/t)))}

Dec 6 2019 7:49 AM UTC

}// 140/140

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moar rainbows

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katkip

function u(t) {

c.width=123
navigator.getBattery().then(_=y=>x.fillText(`your battery is ${y.level*100}% full`,7,34))

Dec 4 2019 4:33 PM UTC

}// 101/140

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Works on chrome and laptops (display the battery percent)

dwitter.net | DataMeta (41668)