Dweets awesomed by u/ersagun

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: #Opposites

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KilledByAPixel

remix of d/13291 by u/KilledByAPixel

function u(t) {

t||x.rotate(.7854,x.font="300px'",x.fillText("ᴛʜᴇ 𝕃ᴇɢᴇɴᴅ ᴏꜰ 𝔻ᴡᴇᴇᴛ",210,1e3,1500))
for(i=1024;i--;)x.fillRect(705+(i&i/t),370-i,9,9)

Apr 20 2019 12:11 AM UTC

}// 131/140

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♥ ♥ ♥ #Zelda

u/KilledByAPixel

#sierpinski
u/Xen

its not.. but feels like triforce,,,,, new dwitter age maybe
u/KilledByAPixel

is better than triforce, has infinite triangles instead of just 3
u/katkip

#design
u/KilledByAPixel

#logo

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katkip

function u(t) {

for(c.width|=i=699;i--;)x.fillRect(i*3,540+S(S(i/29+S(i/48+t*9)))*200,19,19)

Apr 17 2019 1:25 PM UTC

}// 76/140

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crawling #sine

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pavel

function u(t) {

eval(unescape(escape`景爨椽挮睩摴桼㵰㵃⡴⤻椭ⴻ砮晩汬剥捴⠹㘰⵳⼲⬨椥ㄲⴶ⤪㔴〯稬⡺⭡⩓⡴⤭截瀩⨵㐰⽺⵳⼲ⱳⱳ⤩愽椯ㄲ┱㈭㙼〬戽椯ㄴ㐭㙼〬稽ㄫ愪瀫截匨琩ⱺ⨽稾⸴ⱳ㴱㔰⽺⽺;`.replace(/u(..)/g,"$1%")))

Apr 17 2019 7:06 AM UTC

}// 123/140

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rodrigo.siqueira

remix of d/13206 by u/pavel

function u(t) {

for(i=c.width|=h=1.6+(t<<1);Y=i--%3-1||S(i);x.fillRect(960+S(a+t)*800/r/z,540+Y*800/z,s=18/z,s))a=i%3?i:i*h,r=T(a%h+h/3),z=3+S(t)+C(a+t)/r

Apr 16 2019 2:27 PM UTC

}// 138/140

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Spin particles #d3

u/f8f82804

#perspective

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katkip

remix of d/13245 by u/katkip

function u(t) {

c.width+=0;x.translate(960,540);x.globalAlpha=.02;for(r=4;r<1000;r+=5)x.fillRect(-r/2,-390+r/2,10+r,r/4),x.rotate(C(t*4+r/199)/199)

Apr 15 2019 11:56 AM UTC

}// 131/140

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u/Jezza

Nice!

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KilledByAPixel

function u(t) {

for(i=0;i<3e3;)x.fillStyle=R(i%1e3,i%250,i%150,.3+i),j=t*i/9,x.fillRect((S(i)*2e5-j)%2e3-9,(S(i*i)*2e5+j/2)%1080-9,Z=i++?3+9*S(i)**30:1e5,Z)

Apr 13 2019 2:56 AM UTC

}// 140/140

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2D #Starfield I squeezed in more colors and motion blur.

u/13thptr

stylish
u/iverjo

Meteor rain!

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pavel

function u(t) {

for(i=c.width|=h=1.5708;Y=i--%3-1||S(i);x.fillRect(960+S(a+t)*800/r/z,540+Y*800/z,s=60/z/z,s))a=i%3?i:i*h,r=(a%2?S:T)(a%h+h/2),z=3+C(a+t)/r

Apr 12 2019 7:45 AM UTC

}// 139/140

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Butterfly box #d3 #cube #perspective

u/Jezza

Woah!
u/KilledByAPixel

Well done.
u/lionleaf

That's wild! Love it #butterfly

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pavel

function u(t) {

for(c.width=i=1944,w=960;i--;x.fillRect(w+w*S(a)*S(b)/z,540+w*C(b)/z,s=13/z/z,s))j=i%72,z=2+C(a=2.7+S(t)+(j&4?0:j)/72)*S(b=1.5+(i/72|0)/120)

Apr 11 2019 6:03 AM UTC

}// 140/140

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#default on a sphere

u/f8f82804

#d3 #sphere #perspective
u/katkip

how lol
u/pavel

I draw #default one pixel at a time and treat (x,y) of the pixels as angles (a,b) in spherical coordinates. Spherical to 3d cartesian is x=r*sin(a)*sin(b), y=r*cos(a)*sin(b), z=r*cos(b). Projecting 3d to 2d cartesian is x'=x/(2+y/r), y'=z/(2+y/r), and scaling pixel size by 1/(2+y/r)**2 so stuff in the back is smaller.

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pavel

function u(t) {

for(a=b=u=c.width|=i=0;i++<99*t;x.fillRect(960+800*C(a+t)*S(b)/z,540+800*C(b)/z,s=20/z/z,s))a+=C(u+=i**.9%1-.5)/69,z=2+S(a+t)*S(b+=S(u)/69)

Apr 10 2019 1:23 AM UTC

}// 139/140

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Wiggly boy

Show more comments…
u/magna

Awesome!
u/DataMeta

Cool!!
u/joeytwiddle

Bloody brilliant #sphere #perspective
u/katkip

this will get to the top
u/katkip

#d3
u/iverjo

Wow!
u/donbright

#randomwalk

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rodrigo.siqueira

remix of d/12287 by u/rodrigo.siqueira

function u(t) {

c.width+=X=Y=Z=d=.05
for(i=7e3;i--;)
X+=-d*(Y+Z),
Y+=d*(X+.2*Y),
Z+=d*(.2+Z*(X-5)),
x.fillRect(950+X*55,930-Z*55+Y*C(X/9+t)*9,3,5)

Apr 9 2019 1:57 PM UTC

}// 130/140

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Rössler Strange Attractor - system with chaotic dynamics and fractal properties. #attractor #lorenz

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