Dweets awesomed by u/LimeLaser

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: #Food

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The42ndTurtle

remix of d/12856 by u/The42ndTurtle

function u(t) {

function g(y,c){m=0
for(i=0;i<=t;i+=.01)m+=y(y((i**2)/2+c))*i*.01
return m}
for(j=0;j<50;j++)
x.fillRect(g(C,j)*100,g(S,j)*100+540,2,2)

Mar 22 2019 10:32 PM UTC

}// 136/140

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beads

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The42ndTurtle

function u(t) {

function g(y,c){m=0
for(i=0;i<=t;i+=.01)m+=y((i**2)/2+c)*.01
return m}
for(j=0;j<6;j++)
x.fillRect(g(C,j)*200+960,g(S,j)*200+540,2,2)

Mar 21 2019 11:22 PM UTC

}// 134/140

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Cornu Flower

u/pavel

I glanced at the canvas, noticed how the right two spirals are wider apart than the rest, and my brain immediately went to 'they must be using 6 instead of 2*pi somewhere.' I'm on here too much haha.

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DataMeta

function u(t) {

c.style.background=R()
with(x)for(w=i=256;i--;beginPath(fill()))fillStyle=R(i,k=C(i)*i*.6,-k,.3),arc(960+w*S(t+.993*i^0),540+w*S(t+i),4,0,7)

Mar 21 2019 6:22 PM UTC

}// 140/140

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warm colors

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andrea270872

remix of d/12689 by u/andrea270872

function u(t) {

c.width|=q=25
p=q*q*t%2e3
D=(c,d)=>4e3/((z-c)**2+(w-d)**2)**.5
for(i=0;i++<q*q;)x.fillRect(z=~~(i/q)*95,w=i%q*60,m=D(p,450)+D(800,p),m)

Mar 21 2019 2:47 PM UTC

}// 135/140

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2 swimming magnets (ver2)

u/f8f82804

#halftone #dither

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yokljo

function u(t) {

c.style.filter='invert(1)'
for(i=190;i--;)o=300+i*Math.random()*C(t),j=i/50,x.fillRect(960+S(t*i+j)*o,540+C(t*i/3+j)*o,2,o/i/20)

Mar 21 2019 12:13 PM UTC

}// 128/140

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Give it at least 10 seconds to start looking nice. After about a minute it's desktop-background-worthy :)

u/Jezza

#waitforit
u/geb

#background

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pavel

remix of d/12841 by u/andrea270872

function u(t) {

for(k=c.width|=0,x.scale(s=9+C(t),s);k--;)x.fillText([...'🏡🏠⛲🌊🌳🌳🌲 '][k**2.9&7],(k%40-9+9*C(t/2))*9,(k/40-9+9*S(t/3))*9)

Mar 20 2019 7:36 PM UTC

}// 119/140

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Sim city

u/katkip

looks like a tsunami flood city to mo lmao

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tomxor

function u(t) {

eval(unescape(escape`挮睩摴栽㈴〻挮獴祬攽❦楬瑥爺獥灩愨ㄩ楮癥牴⠱✻景爨椽㉥㐻椭ⴻ⥸⹦楬汒散琨ㄲ〫㔰⩓⡘㵩┱㈰⼳㤩⩃⡙㵩⼶攳⤭䌨夫琩⨨娽匨匨堯太㠫堪ㄶ⭴⨲⤫匨太㐩⭴⤩ⰶ㜫㔰⩃⡘⤭䌨堫琩⩚ⱓ⡘⤬䌨夫娯㈫堫琩⤻`.replace(/u(..)/g,"$1%")))

Mar 20 2019 12:56 AM UTC

}// 140/140

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Water World #planet #space

u/lionleaf

#compressed #shading I'm really enjoying all these space related dweets
u/tomxor

Thanks lion :) glad your enjoying them, I think i've almost run out of things ot map to pseudo spheres now though :P
u/rnbw

breathtaking

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batboy

function u(t) {

w=c.width/2
h=1080
if(!t)r=Math.random,f=100+r()*200,p=[r(),Math.PI-r()][r()*2|0]
for(i=0;i++<f;)x.fillRect(w,h-t*10,10,4),x.rotate(p),t++

Mar 19 2019 8:04 PM UTC

}// 138/140

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Cool hatching effect

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rsrsrs

remix of d/6711 by u/nickd3000

function u(t) {

for(i=0;i<32;i++)g=100*t*(i%3+1),x.fillStyle='hsl('+g+',99%,55%)',x.fillRect(80*i,5,80,20);x.drawImage(c,-5,4,1930-T(t*t*4)*5,1080+5);

Mar 19 2019 1:25 AM UTC

}// 134/140

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glitch

u/magna

#glitch

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rsrsrs

remix of d/12768 by u/Xen

function u(t) {

x.font="480px'"
x.strokeStyle=R(0,0,0,0.01*t)
x.strokeText("real",Z=500+S(t)*t,Y=800+C(t)*99)
x.strokeText("real",Z,Y/2)
x.rotate(T(t)/1e3)

Mar 19 2019 12:11 AM UTC

}// 139/140

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decay

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