Dwitter - javascript demos in 140 characters

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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taupelink

function u(t) {

f=X=>T(X*X/4)>1/X?T(X):X/f(X-.5);for(i=1440;i--;)a=i/90+(r=Math.random)(),b=i%9+r(),x.fillRect(a*120,b*120,f(q=S(a)+C(b))<f(a*a+b*b),f(q)<q)

Jul 30 2020 2:52 AM UTC

}// 140/140

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d/19559

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nikoloffgeorgi

function u(t) {

c.width|=i=20
x.moveTo(2100,500)
while(i--){x.lineWidth=i*30+50
x.lineTo(i*96-100,500+S(i+t*5)*100)
x.stroke()}

Jul 29 2020 7:30 PM UTC

}// 111/140

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KilledByAPixel

remix of d/19560 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𡐽𪐽🡩🠹𙡩🀹𚠸𙡩𙐹🠱𞱦𫱲𚁩👯🐧𙰻𪐫𚰼𞀱𞱯𚰽𡐨𪐩🱠𯁼𞠤𮱍𚁩𚐿𙱢𫱯𫐧𞡛𙱺𩑲𫰧𛀧𫱮𩐧𛀧𭁷𫰧𛀧𭁨𬡥𩐧𛀧𩡯𭑲𙱝𦱮𧑽𞡼𯁠𞡩𙐹🰧𙰺𙱜𫠧𚑦𫱲𚁮👪🐰𞱪🀹𞱮𚰽𣐨𪐭𜐰𚱪𙐳𚰨𪠫𚰯𜱼𜀩𚠹𚐩𣐽𪐽🡅𚁩𚐦𤰨𪐪𪐩🠮𞐻𭁨𬡯𭰠𫰻`.replace(/u../g,'')))

Jul 30 2020 7:22 PM UTC

}// 138/140

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Minesweeper 💣 Discord Version (Paste into Discord) #interactive #game

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Billedluh

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪀽𨐽𜡥𜰊𪑦𚁴🐽𜁼𯁹🡡𚑹🐭𞐬𭠽𜀊𮀮𩡯𫡴🐢𜠰𩑭𙰢𒡸𛡦𪑬𫁓𭁹𫁥👒𚀲𝐵𛀲𜰲𛀱𜐵𛀮𝠩𒡸𛡦𪑬𫁔𩑸𭀨𚁢👹🠷𞀰𚐿𙱜𭑻𜑆𜰶𝁽𙰺𙱜𭑻𜑆𞐹𜁽𙰬𝐰𜀬𮐭👶𛐽𜰫𨠪𭠯𜠩𒡦𫱲𚁩🐰𞱩🁡𞱩𚰫𚐊𮀮𩡩𫁬𤡥𨱴𚁩𛁓𚁩𛰹𞐩𚠱𞐫𝰰𜀬𜐬𨐩`.replace(/u../g,'')))

Jul 28 2020 10:34 PM UTC

}// 140/140

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Shwimp

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nikoloffgeorgi

remix of d/19552 by u/nikoloffgeorgi

function u(t) {

c.width|=i=20
x.moveTo(2100,100)
while(i--){x.lineWidth=i*30+200
x.lineTo(i*125-900,100+S(i+t*5)*300)
x.stroke()}

Jul 29 2020 7:32 PM UTC

}// 113/140

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magna

function u(t) {

onclick=e=>T[o=e.y>>5&4|e.x>>7]=o*5%9&3
c.width=200
for(i=8;i--;x.fillText([...'🔲👨👩📺🎥'][T[i]+1|0],(i&3)*50,(i&4)*15+45))x.font='3em"'

Jul 29 2020 2:59 AM UTC

}// 133/140

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Memory Game

u/magna

Find the matching man, woman, tv and cameras!
u/magna

Mouse coordinates need tweaking. Didn't even bother supporting fullscreen.
u/joeytwiddle

#interactive #game
u/joeytwiddle

If you get it in order, you get extra points

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bandaloo

function u(t) {

for(i=48;i--;)for(j=27;j--;)d=i&j,x.fillStyle=`hsl(${d?d+t*9:i+t*99},50%,${j+T(t)}%)`,x.fillRect(i*40+T(t)*C(t+j/2)*40,j*40,40,40)

Jul 28 2020 5:06 AM UTC

}// 130/140

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u/magna

Neat!
u/donbright

#sierpinski

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doughno

remix of d/19471 by u/IV

function u(t) {

h=560
w=h*4
a=T(t+2)*99
P=T(t)*10+h
x.fillStyle=R(a,a/3,a,.05)
with(x)font="9cm a",fillText(w,P,P),fillStyle=R(h,h,h,3/h),fillRect(0,0,w,w)

Jul 29 2020 10:52 PM UTC

}// 140/140

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I wanted to make the trail fade away, but it only kinda worked, and I didn't have characters left for any relevant text.

u/Xen

had a quick play.... with(x)fillStyle=R(a=T(t+(h=560))*99,a/3,a,.05),font="9cm'",fillText(w=h*4,P=T(t)*9+h,P),fillStyle=R(h,h,h,4/h),fillRect(0,0,w,w)

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rodrigo.siqueira

remix of d/19459 by u/rodrigo.siqueira

function u(t) {

c.width|=0
for(var i=5e3;i--;){var X=S(i*i),Y=C(i-t),Z=X*X+Y*2;x.fillRect(980+300*(Z*S(i-t)),500-150*Y*(S(Z+i)*3)-Y,7,7)}

Jul 27 2020 2:55 PM UTC

}// 121/140

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Rotating ribbon

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Xen

remix of d/19552 by u/nikoloffgeorgi

function u(t) {

for(c.width|=i=29;i--;x.stroke())x.lineWidth=i*i*2,x.lineTo(i*99,500+S(i*t)*99)

Jul 29 2020 9:42 PM UTC

}// 79/140

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golf and play