Dweets awesomed by u/katkip

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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robbyg

function u(t) {

f=(X,Y,w)=>{var W=w/2,h=X-W,v=Y-W
x.rect(h,v,w,w)
if(W>9)f(h,v,W),f(h+w,v,W),f(h,v+w,W),f(h+w,v+w,W)}
t||f(960,540,540)
x.fill('evenodd')

Feb 11 2019 1:07 AM UTC

}// 137/140

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#recursive squares

u/robbyg

Thanks u/katkip for the recursive examples
u/katkip

Beautiful
u/robbyg

133: f=(X,Y,w,W,h,v)=>(W=w/2)>4&&(x.rect(h=X-W,v=Y-W,w,w),f(h,v,W),f(h+w,v,W),f(h,v+w,W),f(h+w,v+w,W)) t||f(960,z=540,z) x.fill('evenodd')

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katkip

remix of d/12275 by u/katkip

function u(t) {

s=50;x.fillRect(960,0,10,2e3),x.fillRect(0,540,2e3,10),x.drawImage(c,960,540,s*16*(C(t*s)<.5?-1:1),s*9*(S(t*s)<.5?-1:1))

Feb 10 2019 5:53 PM UTC

}// 120/140

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katkip

function u(t) {

c.width^=d=[];q=50*t|0;for(k=q;k--;)d.push((C(k*k)*3))
for(i in d.sort(g=(a,b)=>a-b))x.fillRect(1920/q*i,540+S(d[i]*d[i]+t)*300,2e3/q,999)

Feb 10 2019 3:10 PM UTC

}// 138/140

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Fluid sin, thx u/Undefined for golf help

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katkip

function u(t) {

s=50;x.fillRect(960-250,540-250,500,500),x.drawImage(c,960,540,s*16*(C(t*s)<.5?-1:1),s*9*(S(t*s)<.5?-1:1))

Feb 10 2019 1:56 PM UTC

}// 106/140

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Not recursive #fractal

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katkip

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁞🐰𞱦🐨𦀬𦐬𬰬𮠽𬰯𚀴𚱃𚁴𚐩𚐽🡻𪑦𚁳🠲𚑸𛡦𪑬𫁒𩑣𭀨𦀭𬰯𜠬𦐭𬰯𜠬𬰬𬰩𛁦𚁘𛑳𛁙𛁺𚐬𩠨𦀬𦐭𬰬𮠩𛁦𚁘𛁙𚱳𛁺𚐬𩠨𦀫𬰬𦐬𮠩𛁦𚁘𚱳𛁙𚱳𛁺𚐬𩠨𦀭𬰬𦐫𬰬𮠩𛁦𚁘𛑳𛁙𛑳𛁺𚐬𩠨𦀫𬰬𦐭𬰬𮠩𯐻𩠨𞐶𜀬𝐴𜀬𜰰𜀩`.replace(/u../g,'')))

Feb 10 2019 1:47 PM UTC

}// 134/140

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#sierpinski carpet but #compressed

u/cantelope

You say "but" like compressed is a bad thing :P cool dweet!
u/luta

c.width^=0;f=(X,Y,s)=>{for(var i=9;i--;)s>2?i!=4?f(X+i%3*s-s,Y+(i/3|0)*s-s,s/(4+C(t))):x.fillRect(X-s/2,Y-s/2,s,s):0};f(960,540,300)

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katkip

remix of d/12270 by u/katkip

function u(t) {

r=Math.random;for(k=(1+r()*99)|0;k--;)i=r()*192|0,j=r()*108|0,x.fillStyle=R(r()*256,r()*256,r()*256),x.fillRect(10*i,10*j,r()*11,r()*11)

Feb 10 2019 11:31 AM UTC

}// 136/140

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More randomer #random randomness (i mean more parameters)

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katkip

function u(t) {

r=Math.random;for(k=900;k--;)i=r()*192|0,j=r()*108|0,x.fillStyle=R(r()*256,r()*256,r()*256),x.fillRect(10*i,10*j,10,10)

Feb 10 2019 11:30 AM UTC

}// 119/140

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#random randomness

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katkip

remix of d/12268 by u/katkip

function u(t) {

t||(X=0,Y=0,s=v=V=1);for(i=999;i--;)x.fillRect(X,Y,V,V),X+=V,Y+=v,Y>1080-s?v*=-1:0,Y<0?v*=-1:0,X<0?V*=-1:0,X>1920-s?V*=-1:0;

Feb 10 2019 10:19 AM UTC

}// 124/140

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I just like the pattern

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katkip

function u(t) {

t||(X=0,Y=0,v=V=9);c.width^=0;x.fillRect(X,Y,39,39),x.fillRect(X-80,999,200,50),X+=V,Y+=v,Y>979?v=-9:0;Y<0?v=9:0;X<0?V=9:0;X>1890?V=-9:0;

Feb 10 2019 10:13 AM UTC

}// 137/140

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#default pong

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katkip

function u(t) {

a='',s="ȺǹɎȍɎǹ ǴɉǪȿɄǹȰ";for(c of s)a+=String.fromCharCode(c.charCodeAt(0)/5/**/+C(c.charCodeAt(0)+t*2)*2/**/);throw a

Feb 9 2019 11:12 AM UTC

}// 117/140

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find the secret message #interactive

u/joeytwiddle

#puzzle

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