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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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Xen

function u(t) {

t?(C=A,A+=B,B=C):A=B=1
throw A/B

Jan 22 2019 8:08 PM UTC

}// 32/140

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Golden Ratio 32bytes

Show more comments…
u/pavel

25 A=t?B+(B=A):B=1;throw A/B
u/metamero

24 throw(A=t?B+(B=A):B=1)/B
u/katkip

Wait what????
u/pavel

15 throw.5+5**.5/2 does that count? heh
u/katkip

14 throw 1.618033
u/katkip

XD

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metamero

remix of d/11869 by u/metamero

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼👮🐱𜠸𞱍🐨𭀿𣐺𦰮𛠮𠑲𬡡𮐨𮐽𝰲𚡮𚑝𚐮𫑡𬀨𚁶𛁫𚐽🡴🰨𦱮𛀱𛁮𛐱𛁮𚰱𧐮𫑡𬀨𩀽🡢𚰽𣑛𚁫𚱤𚱹𚐥𮑝𚱍𦰨𪰭𩀫𮐩𙑹𧐬𨠽𜀩𛁢𙠦𮀮𩡩𫁬𥁥𮁴𚁶🰧𧁵𜠵𡡃𙰺𨠬𜠫𜐵𚠨𪰥𫠩𛀹𚰱𝐪𚁫𛱮𯀰𚐩𛁢𧠲🱢🐽𜰺𭠩𞡍𨑴𪀮𬡡𫡤𫱭𚀩🠮𝐩`.replace(/u../g,'')))

Jan 22 2019 7:35 PM UTC

}// 139/140

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this enormous evolving minefield certainly deserves your fullscreen #gameoflife behind the scenes

u/metamero

c.width|=n=128;M=(t?M:[...Array(y=72*n)]).map((v,k)=>t?([n,1,n-1,n+1].map(d=>v+=M[(k+d+y)%y]+M[(k-d+y)%y]),v&&x.fillText(v,2+15*(k%n),9+15*(k/n|0)),v^4?v==3:M[k]):Math.random()>.5)
u/DataMeta

Cool!

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katkip

function u(t) {

c.width*=1;x.globalAlpha=.4;n=10;for(i=n;i--;)for(j=n;j--;)for(k=n;k--;)x.fillRect(720+i*40+S(t*2)*40+k*32*S(t),390+j*40-k*20,30,30)

Jan 19 2019 8:19 PM UTC

}// 132/140

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#d3 #cube

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katkip

function u(t) {

c.width*=1;for(i=64;i--;)for(j=30;j--;)x.fillRect(600+i*20-j*20,200+j*20+C(t*C(i/9+t)*9)*20,10,10)

Jan 19 2019 7:44 PM UTC

}// 98/140

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98bytes #waves splitter

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katkip

function u(t) {

f=n=>{if(n<500)x.beginPath(),x.lineTo(960+S(n*2)*n,540+C(n)*n),x.lineTo(960+S(n*t/99)*n,540+C(n*t/99)*n),x.stroke(),f(++n)}
c.width*=1;f(0)

Jan 18 2019 2:11 PM UTC

}// 139/140

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metamero

function u(t) {

x.drawImage(stats.dom.children[0|t%3],-42,-9,w=2e3,1140)
for(i=w*Math.random()*9|0;i--;);
x.globalAlpha=.01

Jan 13 2019 1:01 PM UTC

}// 108/140

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u/DataMeta

#hiddengem

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f8f82804

remix of d/11688 by u/f8f82804

function u(t) {

for(i=c.width^=0;i--;x.fillRect(960+800*S(θ)*S(ϕ)/Z,540+800*C(ϕ)/Z,s=18*(Z>2?.1:2.1-Z),s))ϕ=i/612,θ=i*37+(i/9)**C(i+t)/99-t/2,Z=C(θ)*S(ϕ)+2

Jan 7 2019 10:32 PM UTC

}// 139/140

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#perspective #sphere #pointcloud #swarm #traffic

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NullifiedWarp

remix of d/11679 by u/NullifiedWarp

function u(t) {

c.width=1920 // clear the canvas
x.fillStyle=R(255,215,0)
for(i=0;i<2000;i++)
x.fillRect(C(i+t)*300+900,600+S(t+i)*200,5,100*S(t-i*9)-200)

Jan 7 2019 2:47 PM UTC

}// 138/140

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Burning Ring

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anotherkitten

function u(t) {

for(c.width|=i=9;i--;x.fill(p=new Path2D,p.arc(a=t%3*1e3-i*80,800-S(a/711)*400+S(i*(i+t/3|0))*40,100-i*9,0,8)))x.fillStyle=R(0,120,150,.6)

Jan 6 2019 8:12 PM UTC

}// 138/140

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who has the water gun

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metamero

remix of d/11637 by u/metamero

function u(t) {

x.font='42px"'
t?i=a++%46:a=0
x.fillText('╲╱'[2*Math.random(onclick=reset)|0]+'',42*i,42*(a-i)/46)

Jan 4 2019 3:18 PM UTC

}// 99/140

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classic #maze : canvas version

u/metamero

d/11644 d/11640 d/11637 d/11633 collection of different implementations