Dweets awesomed by u/FireFly

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: #ScaryMovies

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jylikangas

function u(t) {

x.fillRect(0,0,2e3,2e3)
for(u=29;u--;)for(v=65;v--;x.clearRect(960+(150+99*C(v))*C(U)*z,540+75*S(v)*z,z,z))z=60/(9+C(v)/T(t/2))*S(U=u/9+t/9)

Jun 23 2018 8:08 AM UTC

}// 140/140

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Pulsating Torus

u/lionleaf

#torus
u/DataMeta

Marvelous!
u/iverjo

Well done!
u/Galaxtone

TypeError: u is not a function

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zgrep

function u(t) {

r=Math.random,A=!t?[[960,1100,4.7]]:r()<.001**t?[...A,...A]:A.map(p=>[X=p[0]+9*C(a=p[2]),Y=p[1]+9*S(a),a+r(x.fillRect(X,Y,9,9))-.5])

Apr 25 2018 9:32 PM UTC

}// 132/140

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A growing tree.

u/zgrep

Viciously golfed thanks to u/FireFly and their JS golfing prowess.
u/trancor

I just facepalmed... !t is so much cheaper than t==0 (I've been using...).Well done on the mapped expansion, interesting way to generate a ton of objects.

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jylikangas

function u(t) {

for(c.width=i=-1;i++<125;)for(j=75;j--;x.fillRect(99+i-j,(i+j)/(2+T(t)/2)+!h,h|1,~h))h=t+j/13&i/9-t*6,h*=(h<5)*5,x.fillStyle=R(0,i+j,!h*200)

Apr 14 2018 4:56 PM UTC

}// 140/140

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Isometric Islands

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yonatan

remix of d/7105 by u/yonatan

function u(t) {

for(X=c.width=99;X--;)for(Y=57;Y--;x.fillRect(X,Y,1,1))q=X*X+Y*Y,z=(9e3-q)**-.3,x.fillStyle=`hsl(${(t*9+X*z^Y*z)*22},50%,${95-q**.5}%`

Feb 28 2018 10:31 AM UTC

}// 134/140

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lit and colored

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u/donbright

!!!!!!!!!!!!!!
u/sigveseb

Lit af
u/magna

^
u/joeytwiddle

#lighting #sphere
u/FireFly

Holy cow!! :o
u/Cloud

Wooooow!!!
u/vain

amazing!

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RomanW

remix of d/5233 by u/RomanW

function u(t) {

z=34;f=(60*t)%960;'ȏ܀လa8๼0৷耠ĻƟ臿ﰿ聛＝〇ﾛ态繨ﰀε＀Əﾀ؇￠ᨃ￠簁｠㼀＀羀羀翀⟀῀㏠࿀ᇰϠᡰǰ࠸xࠌ࠘ం耄᠀〆㠀ข瀡Ǡ耿'.charCodeAt(f/16)>>f%16&1&&x.fillRect(f%31*z,~~(f/31)*z,z,z)

Jan 2 2018 4:12 PM UTC

}// 140/140

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Show more comments…
u/Pjaerr

That's cool.
u/Chipnstein

Was expecting dickbut... not exactly disappointed but still cool
u/aemkei

OMFG! This is incredible!!
u/aemkei

but shorter but ugly: f=60*t;x.fillRect(f%31*9,f/3,'ȏ܀လa8๼0৷耠ĻƟ臿ﰿ聛＝〇ﾛ态繨ﰀε＀Əﾀ؇￠ᨃ￠簁｠㼀＀羀羀翀⟀῀㏠࿀ᇰϠᡰǰ࠸xࠌ࠘ం耄᠀〆㠀ข瀡Ǡ耿'.charCodeAt(f/16)>>f%16&1,9)
u/RomanW

Nice aemkei, thanks!
u/oldspork

This is amazing. I'm brand-new to coding and very new to Dwitter; how on Earth do all of those symbols and letters code for a picture of the Earth?
u/RomanW

Hi oldspork! The magic happens with the function charCodeAt. This function gets the numeric value of one character at a time. Since these are UTF-16 characters, you can get 16 bits of information in one character.
u/lionleaf

#globe #earth #bitmap #pixelart
u/Purpzie

Is there an easy way to make these kinds of things? (specifically how the data for each pixel is stored)
u/dsamarin

String.fromCharCode.apply(null, new Uint16Array(34).map((r) => Math.random()*0xffff))

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veubeke

remix of d/3611 by u/cantelope

function u(t) {

for(w=i=c.width|=0;i--;x.fillRect(w/2+S(p=(2513+S(t))/2e3*i+C(t))*i/4-s*10,540+C(p)*i/4-s*5,s,s))x.fillStyle=R(s=Math.min(w/i,8)*16,0,0,.1)

Dec 10 2017 9:54 PM UTC

}// 139/140

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u/joeytwiddle

spooky. it reaches to us from the space beyond
u/magna

woow
u/trupples

Holy cow that looks so organic
u/Qwitter

Pentapus
u/joeytwiddle

#organic
u/GreyHope

#creepy

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xem

remix of d/3326 by u/xem

function u(t) {

for(i=0;i<65;i++)for(j=0;j<65;j++)x.fillStyle=R(i*9,j*9,C(t)*255),x.fillRect(900+400*S((i+t/9)*3)*C((j+t/9)*1.5),500+400*S((j+t/9)*1.5),5,5)

Oct 21 2017 9:45 AM UTC

}// 140/140

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made by mistake while working on a rotating sphere :p

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cantelope

function u(t) {

for(x.globalAlpha=.07,x.fillRect(0,0,q=i=2e3,q);i--;)x.clearRect(960+S(p=i/318)*(d=300+S(p*5+C(t/2)*9)*(140+S(t)*70)*C(t*2)),540+C(p)*d,9,9)

Sep 20 2017 4:28 AM UTC

}// 140/140

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u/lionleaf

So smooth!
u/cantelope

change p*5 to p*3 or whatever for different shapes <3

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Xen

remix of d/3102 by u/Xen

function u(t) {

c.onmousemove=e=>Z=e.offsetX;for(c.width|=i=99;i--;)x.ellipse(X=540,X,t,i*C(t)+X,(Z/c.width*2)*i*2.1,Z,T(t))
x.strokeStyle='#'+Z,x.stroke()

Aug 31 2017 12:31 AM UTC

}// 139/140

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with mouse movement as requested.

u/donbright

cooool
u/iverjo

#interactive

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cantelope

function u(t) {

for(c.width|=i=12;i--;x.stroke())x[i-5?'lineTo':'moveTo']((w=990)+(C(q=i<6?-t:3-t)+S(p=2.513*i+t)*S(t))/(Z=S(q)+3+S(p)*C(t))*w,540+C(p)/Z*w)

Aug 29 2017 8:11 PM UTC

}// 140/140

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Xen golfed the last 5 bytes. Cheers!

Show more comments…
u/Xen

not a problem ;) you golfed all the first ones... :D
u/donbright

wireframe king
u/cantelope

@donbright, are you challenging me to make something different? I accept!
u/donbright

we are not worthy
u/cantelope

oh u
u/cantelope

@donbright, i did not mean for my statement regarding a challenge to sound arrogant, but I see it came across that way. I just meant, you are correct that i do a lot of wireframe dweets, and I'm enthusiastic about trying something new! I hope we're good. Love your work!
u/Xen

its hard to figure the emotion behind a comment sometimes, which is why i ALWAYS spam mine with smileys ;-)
u/donbright

no its fine, my words dont come across in ASCII very well
u/donbright

i am in awe of everyone here, my mind constantly boggles at the skill and techniques of all of the people here. i have a special affinity for wireframe for some reason.
u/donbright

i mean i like looking at wire frame, but im not that good at making it, so its cool to see it.
u/cantelope

ah <3

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