Random dweets | Dwitter

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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taupelink

remix of d/14810 by u/Fime

function u(t) {

t||x.translate(960,b=540,A=[d=e=0,-b,b,b]);for(i=b;i--;)l=.5+S(i*b)/10,d+=(A[r=Math.random()*3|0]-d)*l,e+=(A[r+1]-e)*l,x.fillRect(d*2,e,1,1)

Jul 14 2019 4:41 AM UTC

}// 140/140

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Variant where the distance scale factor is 1/2 plus-or-minus a little bit. Also some code golfing

u/taupelink

I think some of the pattern details are an artifact of the way I golfed the code...of whatever the values of sin(i*540 radians) are, for integers i=0,...,539
u/Xen

sexy

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BriSeven

remix of d/585 by u/BriSeven

function u(t) {

m=140;x.fillStyle=R(C(h=t/2)*m+m,S(h-.5)*m+m,S(-h-.5)*m+m,.004);x.fillRect(99+t%13*m,0,4,2e3);x.drawImage(c,6*C(t*3),0,1920,1078)

Jan 5 2017 1:36 AM UTC

}// 129/140

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spoke too soon. you can push this even further

u/BriSeven

turn the opacity of the fill up to .5 to see some mad
u/iverjo

trippy ^^

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5Mixer

remix of d/1293 by u/5Mixer

function u(t) {

w=c.width=2e3
o=0
while(o++<9){l=r=o
x.fillStyle="#"+o*22
q=t*o*20
while(l<w+q){r=r*9e2%23e4
s=.7*r/w
x.fillRect(l-q,w/2-s*9,s,r)
l+=s}}

Feb 25 2017 12:43 PM UTC

}// 137/140

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Qwitter

function u(t) {

eval(unescape(escape`𨴮𬵴𮕬𩔮𩥩𫅴𩕲🔢𪕮𭥥𬥴𚄢𞵦𫵲𚅫🔹𞔻𪴭𛔻𚕻𩤽𠴨𪴩𚥴𞵒🔱𝔰𞵨🕓𚅫𚔪𭄫𜔻𤔽𤤪𚄲𚵃𚅨𚔩𞵰🕒𚥓𚅨𚔻𦄽𞔶𜄫𤴨𩤩𚥑𞵙🔵𝄰𛕃𚅦𚔪𤔻𥴽𞔯𚅒𛕰𚔪𚤮𝄻𮄮𩥩𫅬𤵴𮕬𩔽𨅈𤵌𚄤𮴹𚥫𯔬𞔹𙔬𝔰𙔩𨄻𚅰🤰𚔦𙥸𛥦𪕬𫅒𩕣𭄨𦄬𦔬𜔬𥴩𞵽`.replace(/u../g,'')))

Jan 21 2021 7:08 PM UTC

}// 138/140

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Pollock's Breakfast #torus

u/tomxor

Wow, loving the sudden #art theme going on on Dwitter
u/magna

nice new style!

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18sp01

remix of d/3760 by u/sadropol

function u(t) {

c.width|=0;for(i=1;i<140;i++){b=2*t+i;o=200-(S(b+5)*100)%256;x.fillStyle=R(1,o,0,1);x.fillRect(940+((i/80)%1)*S(b)*200,400+i*6%500,9,8);}

Dec 27 2017 1:57 AM UTC

}// 138/140

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FrenchToast

function u(t) {

c.width|=0;for(i=600;i--;){x.beginPath();x.arc(960+300*S(t*i*i/30),1080/2,t*30+i,0,2*Math.PI);x.fill();x.fillStyle=R(i,i,i)}

Jan 10 2018 5:02 PM UTC

}// 124/140

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u/Xen

nice, join chat ;-)

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anotherkitten

function u(t) {

c.width|=0
x.scale(20,20)
x.fillRect(Z=24+S(t)*15,20,40,10)
x.fillText("👁️",70,28)
for(i=15;i--;)
x.clearRect(i*5+Z-.1,20,2.5+(i>7)*5,10)

Sep 19 2020 8:44 PM UTC

}// 137/140

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normal #default

u/bandaloo

this is great!

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taupelink

remix of d/18706 by u/taupelink

function u(t) {

f=(x,y)=>T(x*x)>S(y**3)?f(y-.2,x+.3):T(y%x);for(i=z=1e3;i--;)X=(r=Math.random)()*21,Y=r()*12,x.fillRect(X*90,Y*90,f(X*X,z/Y)<1,f(Y*Y,X)>-1)

Jul 18 2020 8:05 PM UTC

}// 139/140

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d/19451

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shu

remix of d/1199 by u/shu

function u(t) {

c.style.background='#000';c.width=i=1920;for(x.fillStyle='#FFF';i;){x.beginPath();for(j=3;j--;i--)x.lineTo(i,T(i%99*i+t)*140+540);x.fill()}

Feb 24 2017 3:00 PM UTC

}// 139/140

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Sin City

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redactedhoptional

function u(t) {

onmousemove=e=>{for(c.width=X=c.clientWidth;X>0;X-=49)for(Y=1080;Y>0;Y-=49)x.beginPath(),x.arc(X,Y,Math.hypot(X-e.x,Y-e.y),0,7),x.stroke()}

Jun 23 2023 5:01 PM UTC

}// 139/140

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A net of circles (move mouse around)

u/davidsover

#interactive
u/cantelope

cool
u/Yellowsam

A mouse game that works fullscreen!