Top dweets of all time

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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yonatan

remix of d/15974 by u/katkip

function u(t) {

f=frame
e=(f&2)-1
x.fillRect(960-e*f,f,e*f*(f**.5&1?.9:2),3)

Oct 8 2019 6:16 PM UTC

}// 60/140

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60 byte road

u/yonatan

50 bytes but *extremely* slow: e=t&2;x.fillRect(960-t*--e,t,e*t*(t**.5&1?.9:2),3)
u/joeytwiddle

Perspective on the road marking: f,e*f*(3e2/f**.5&1?.9:2),3

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TC5550

remix of d/15954 by u/TC5550

function u(t) {

if(!t)for(q=c.width=300,i=5e4;i--;){for(a=y=n=0;a*a+y*y<4&&n<50;n++)ö=a*a-y*y+i%q/99-2,y=2*a*y+i/2e4-1.5,a=ö;x.fillRect(i%q,i/q>>0,9/n,9/n)}

Oct 7 2019 12:17 PM UTC

}// 140/140

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u/aleamb

#fractal #waitforit #mandelbrot

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asteriskman

function u(t) {

i=(t*9|0)%58
!i?c.width|=0:x.font='8em"'
x.fillText(" (o.o)   |=|   __|__ |.=|=.||(_=_)|(:| |:) || || ==' '==  "[i],60*(i%7),99+120*(i/7|0))

Oct 5 2019 2:03 PM UTC

}// 140/140

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Inktober Day 5 - Build

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Xen

remix of d/15926 by u/Irratix

function u(t) {

for(c.width=i=frame%2e3;i--;x.lineTo(i+i*S(4.2*i-t)*C(t/i),i+i*C(2.1*i-t)*S(t/i)));x.stroke()

Oct 4 2019 4:19 PM UTC

}// 93/140

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Slight Xen Tweak

u/Xen

#waitforit

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robbyg

remix of d/15802 by u/robbyg

function u(t) {

for(i=2304,Z=30;i--;x.fillRect(H*Z,V*Z,Z,Z))H=i%64,V=i/64|0,A=Math.atan2(V-18,H-32),x.fillStyle=S(Z*t+5*A)>0>0?'#1112':'#eed6'

Sep 27 2019 3:22 PM UTC

}// 126/140

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Staring at the ceiling fan.

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joe.m

function u(t) {

w=1920
f=12.57/w
t?0:y=[]
j=t*120+1
for(i=0;i<w;i++)
{
if(!t)y[i]=0
y[i]+=S(i*f*j)/j
x.fillRect(i, 520+400*y[i], 1, 1);
}

Sep 27 2019 2:59 PM UTC

}// 121/140

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ooh, you can keep state!

u/tomxor

#fourier
u/tomxor

Welcome to Dwitter! you can also use u instead of y to save the initialisation space, as you can use functions for their object properties.

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rodrigo.siqueira

function u(t) {

x.fillStyle='gray';x.fillRect(250,440,1420,200)
x.fillStyle=R(t*70,t*70,t*70)
x.fillRect(t*510,0,9,1080)

Sep 27 2019 2:25 PM UTC

}// 104/140

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Illusory gradient grayscale ("Simultaneous Contrast Illusion"). The bar in the middle is a CONSTANT SHADE of gray. Viewing two colors at the same time influences both of their appearances. #gradient #illusion

u/iverjo

#opticalillusion

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Blacklink

function u(t) {

c.width|=0
s=.00045*C(t)+.00055
a=-29.5*C(t)+30.5
for(var r=-3.14;r<3.14;r+=s){x.fillRect(500*S(r+C(a*r))+980,500*C(r+S(a*r))+540,9,9)}

Sep 24 2019 7:43 AM UTC

}// 135/140

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Pretty cool parametric equation

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KilledByAPixel

function u(t) {

t?0:c.outerHTML="»<input id=i value='Hello Dwitter!'>« <button onclick=speechSynthesis.speak(newSpeechSynthesisUtterance(i.value))>Speak"

Sep 23 2019 12:18 AM UTC

}// 138/140

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Speech Synthesis #Example ~ Change the text and click the Speak button!

u/katkip

#tts

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KilledByAPixel

function u(t) {

eval(unescape(escape`𨰮𬱴𮑬𩐮𨡡𨱫𩱲𫱵𫡤🐧𘰶𡁆𙰻𭀿𨠽𘑢𞡡👢👱🐱𝐲𜰻𭱩𭁨𚁸𚑢𩑧𪑮𤁡𭁨𚁦𪑬𫁓𭁹𫁥👢🰧𘰳𜰳𙰺𙰣𝰷𝰧𚐬𫁩𫡥𥁯𚁔𛑴𚠱𩐴𛁨🐱𞀰𜀩𛁡𬡣𚁔🐱𩐳𛁨𛁱𛁡𛁡𚐬𭀼𛠴𙠦𩡩𫁬𚁡𬡣𚁔𛁨𛁱𚰽𜰰𚡓𚁱𚠪𝀩𚰨𨠿𛐹𞐺𞐹𚐬𨐫🐮𜠫𛠱𚡓𚁱𚡱𚐬𨐩𚐻`.replace(/u../g,'')))

Sep 21 2019 4:34 PM UTC

}// 140/140

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Mountain ~ Inspired by https://codepen.io/kylewetton/full/oNvEXYM

u/DataMeta

#wallpaper