Dweets by u/fufuhaaa

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: #ScaryMovies

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fufuhaaa

remix of d/758 by u/mvv

function u(t) {

c.width=99;v=x.n=x.n||[4,9,3,5,1];for(i=0;i<5;i++){s=v[i];z=v[i+1];if(s>z&&t%1<.01){t+=.01;v[i]=z;v[i+1]=s}x.fillRect(i*20,-v[i]*10,20,55)}

Feb 22 2017 4:17 AM UTC

}// 139/140

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Bubble sort, somehow in <140 chars.

u/Pol1y@

hello

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fufuhaaa

remix of d/757 by u/fufuhaaa

function u(t) {

c.width=600;x.font='30px a';for(i=0;i<20;i++){for(j=0;j<11;j++){x.fillText('❤️💛💚💙💜'.substr(((2+2.5*S(i+j+t*6|0))|0)*2,2),i*30,j*30);}}

Feb 22 2017 3:40 AM UTC

}// 134/140

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u/donbright

awesome unicode
u/iverjo

#hearts

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fufuhaaa

function u(t) {

c.width=600;x.font='30px a';h='❤️💛💚💙💜';for(i=0;i<20;i++){for(j=0;j<11;j++){x.fillText(h.substr(((2+S(i^j-t*5)*2.5)|0)*2,2),i*30,j*30);}}

Feb 22 2017 3:24 AM UTC

}// 136/140

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fufuhaaa

function u(t) {

c.width=2e3;x.resetTransform();x.translate(1e3,540);s=8*(t*10%10);x.scale(s,s);x.fillText(String.fromCodePoint(0x1F600+(t%80)|0),0,0);

Feb 22 2017 3:03 AM UTC

}// 134/140

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fufuhaaa

function u(t) {

if(c.width>568){c.width=568;}x.fillText(String.fromCodePoint(0x1F300+(Math.random()*0x130)|0),Math.random()*568,Math.random()*320);

Feb 22 2017 2:52 AM UTC

}// 131/140

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fufuhaaa

function u(t) {

x.font='50px monospace';x.fillStyle=R(255,255-t*50,t*50);x.fillText(navigator.userAgent,0+((t*5)|0)*50,125+((t*5)|0)*50);

Feb 22 2017 2:34 AM UTC

}// 121/140

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fufuhaaa

function u(t) {

n=255;x.fillStyle=R(n,t/8*n,t/8*n);x.rotate(.1);x.textAlign='center';x.textBaseline='middle';x.font=(2e3-t*n)+'px a';x.fillText('★',1e3,5e2)

Feb 22 2017 2:26 AM UTC

}// 140/140

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fufuhaaa

remix of d/725 by u/fufuhaaa

function u(t) {

c.width=2e3;r='';for(i=0,l=1;i<1e26;r+=i){m=i;i+=l;l=m}for(i=0;i<400;)x.fillRect((r[++i]*192+(t*1e4)/(1+r[++i]))%2e3,(r[++i]+r[++i])*10,9,9)

Feb 22 2017 1:40 AM UTC

}// 140/140

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This now uses two random digits for choosing vertical star positions, which eliminates those obvious white gaps.

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fufuhaaa

remix of d/721 by u/fufuhaaa

function u(t) {

c.width=2e3;r='';for(i=0,l=1;i<1e22;){m=i;i+=l;l=m;r+=i}for(i=0;i<400;)x.fillRect((r[++i]*192+(t*1e4)/(1+r[++i]))%2e3,(r[++i]*100),9,9);

Feb 22 2017 1:34 AM UTC

}// 136/140

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fufuhaaa

function u(t) {

c.width=2e3;r='';for(i=0,l=1;i<1e9;){m=i;i+=l;l=m;r+=i}for(i=0;i<200;)x.fillRect((r[++i]*192+(t*1e4)/(1+r[++i]))%2e3,(r[++i]*100),9,9);

Feb 22 2017 1:30 AM UTC

}// 135/140

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The Fibonacci numbers concatenated may not be the best way of generating random numbers, but it's the only short one that came to mind.

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