Dweets awesomed by u/Piggo

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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Current theme challenge: #Food

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ntsutae

remix of d/19818 by u/rodrigo.siqueira

function u(t) {

f=(X,Y,n=0)=>Y*Y>9?n:f(2*X*Y-3/4,T(Y*Y-X*X),n+4);for(i=w=2e3;i--;x.fillRect(i,t*60,1,1))x.fillStyle=`hsl(${f(i/w-.9,t/33.3-.5)},99%,50%)`

Oct 15 2020 1:01 PM UTC

}// 137/140

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#fractal

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Xen

remix of d/20267 by u/yonatan

function u(t) {

c.width|=X=Y=0
for(i=3e3;i--;s=i/59+9,x.fillStyle=R(!x.fillRect(960+(X+=C(d=C((t-i)/73+t*9|0)*88))*s/9,540+(Y+=S(d))*s/9,s,s),s,i,i*i/7e7));

Oct 14 2020 10:44 PM UTC

}// 140/140

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quick play

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yonatan

function u(t) {

c.width|=X=Y=0
for(i=3e3;i--;s=i/59+9,x.globalAlpha=i*i/2e7,x.fillRect(960+(X+=C(d))*s/9,540+(Y+=S(d))*s/9,s,s))d=S((t+i)/33+t*9|0)*88

Oct 14 2020 6:28 PM UTC

}// 134/140

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remix of a deleted dweet by u/ntsutae

u/katkip

this is the 2d version of https://js1024.fun/demos/2020/4
u/ntsutae

Perfect, Thanks!
u/sigveseb

cool!

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ntsutae

remix of d/19818 by u/rodrigo.siqueira

function u(t) {

f=(X,Y,n=0)=>X*X+Y*Y>4?n:f(2*X*Y-2/3,Y*Y-X*X,n+2);for(i=w=2e3;i--;x.fillRect(i,t*60,1,n))n=f(i/w,t/45),x.fillStyle=R(g=n&2?255-n:0,g,g)

Oct 13 2020 6:05 PM UTC

}// 135/140

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Zebra Spiral #julia #fractal

u/hells-fargo

GODDAMN!!!! niceee

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Xen

remix of d/5223 by u/doof

function u(t) {

t||x.translate(960,540)
x.rotate(.002)
x.fillStyle=`hsla(${t*299},70%,60%,.01)`
x.fillRect(-t*2,!x.drawImage(c,-1e3,-500,2e3,1e3),t,1e3)

Oct 13 2020 5:17 PM UTC

}// 136/140

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#Xweet play

u/BlueSkyTech

Totally awesome

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anotherkitten

function u(t) {

x.fillRect(0,0,2e3,2e3)
for(i=99;i--;x.fillRect((i+t)*485%1969,540-N,9,N*2))N=4*i*C(t*3+i),x.fillStyle=R(i*5+30,0,i*2+40,.2+i**2/3e4)

Oct 11 2020 6:18 PM UTC

}// 133/140

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diamond waves

u/Xen

love it!

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Xen

remix of d/20239 by u/KilledByAPixel

function u(t) {

for(c.width|=i=555;i--;x.arc(z=960+C(i/24-t*9)*59,z-420,(3+S(t)/2)*i,0,9))x.beginPath(x.stroke())

Oct 10 2020 11:16 AM UTC

}// 97/140

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Moiré Ripples2

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KilledByAPixel

remix of d/20237 by u/Xen

function u(t) {

for(c.width|=i=512;i--;x.arc(z=960+C(i/19-t)*9,z-420,i,0,9))x.beginPath(x.stroke())

Oct 10 2020 2:09 AM UTC

}// 83/140

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Moiré Ripples

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Xen

remix of d/11738 by u/katkip

function u(t) {

for(c.width|=i=99;i--;x.arc(960+S(z=t+i/(C(t)*14+19))*9,540+C(z)*9,500-i*i/19.3,0,9))x.beginPath(x.stroke())

Oct 9 2020 6:01 PM UTC

}// 108/140

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play

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Xen

remix of d/20204 by u/anotherkitten

function u(t) {

for(x.fillRect(i=64,0,2e3,2e3);i--;)for(z=j=33;j--;)T(C(j/3+i/4)+S(i/t/9)+i*9-t*9)>5?x.clearRect(i*z,j*z,z,z):x.fillStyle='#'+frame%99+'001'

Oct 5 2020 7:54 PM UTC

}// 140/140

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Quick play

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