Dweets awesomed by u/Cloud

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: #Opposites

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tomxor

remix of d/17223 by u/tomxor

function u(t) {

c.style='filter:invert(1';for(a=b=0,i=1e4;i--;a+=.3*(r-a+b*S(a*3.1)),b+=.3*(-a*b+C(a*3.1)))i&8&&(r=i*t/b&3,x.fillRect(a*960,b*480+480,.2,1))

Jan 15 2020 12:40 AM UTC

}// 140/140

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u/katkip

Amazing!!!
u/DataMeta

WOW!
u/magna

wowza
u/aleamb

yeah!
u/ivylab

Looks like a giant godlike creature, head and eyes on the left. No idea how you created this awesomeness
u/tomxor

hah, yeah i didn't see that before, like some sort of weird ornate crustacean.

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tomxor

function u(t) {

c.style='filter:invert(1';for(a=b=0,i=1e4;i--;a+=.3*(r-a+b*S(a*3.14)),b+=.3*(-a*b+C(a*3.14)))i&1&&(r=i*t/b&1,x.fillRect(a*1920,b*960,.2,1))

Jan 15 2020 12:40 AM UTC

}// 139/140

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u/13thptr

great
u/rodrigo.siqueira

One of the most impressive images I`ve ever seen! Please create more like this. #neural #fractal
u/tomxor

Thanks rodrigo :) I will certainly try, although one does not create these things, but mines them from the computational universe :D I look forward to finding more
u/13thptr

becomes really different after a while
u/13thptr

#waitforit

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robbyg

function u(t) {

for(c.width|=i=684;i--;)x.fillRect(i%36*55+C(z=i/3+t*3)*7,3+55*~~(i/36)+S(z)*7,s=40+C(z)*2,s)

Jan 14 2020 8:07 PM UTC

}// 93/140

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Wavy.

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New_Core

remix of d/17189 by u/yonatan

function u(t) {

x.fillRect(0,0,w=2e3,w)
for(let i=480;i--;x.strokeRect(0,560+i,w,w))x.setLineDash([i]),x.lineDashOffset=-960%i+i*t*5,x.strokeStyle=R(i)

Jan 14 2020 1:32 PM UTC

}// 135/140

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u/Xen

nice!
u/katkip

#floor
u/sEkKi

Bruh
u/jeyko

you can save characters by removing "let"

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sigveseb

function u(t) {

eval(unescape(escape`圽琥㌼⸲㼶㐫匨䌨琪㤩⤪㤺圻景爨椽㈵㘻椭ⴻ砮晩汬剥捴⡩⨸ⰰⰸⰸ⤩砮晩汬却祬攽椼⠱㈸ⵗⵔ⡍㵴⼲┱⸵⤩籼椾吨䴩⬶㐫圿∣㑡攢㩠桳氨〬〥Ⱔ答⡴⨳⤫⡍㸮〵⤪㈵⨨ㄫ⡩㸶㐫圯㌩⥽┩总砮摲慷䥭慧攨挬〬㐩`.replace(/u(..)/g,"$1%")))

Jan 13 2020 12:46 AM UTC

}// 140/140

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Infinite #castle tower

u/sigveseb

#compressed
u/KilledByAPixel

👍
u/sigveseb

I really wanted to add some windows as well, but couldn't fit it in
u/denzen

I love it!
u/astronaut

Impressive. Like almost all your posts.

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KilledByAPixel

remix of d/17184 by u/KilledByAPixel

function u(t) {

with(x)for(c.width|=j=2e3,scale(9,4);j--;arc(99,99+j/29,79,a=t+(j>>3)/.955,a))j%8?setLineDash(j>1e3?[9,9,j]:[j>300?0:5]):beginPath(stroke())

Jan 12 2020 8:30 PM UTC

}// 140/140

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Tiny #Castle Fort 🏰

u/sigveseb

#d3

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pavel

remix of d/17152 by u/KilledByAPixel

function u(t) {

for(i=c.width|=p=g=>333*g(j)+r*g(i);j=~~(--i/96)/3;x.fillRect(960+p(C),540-p(S),8,8))x.fillStyle=`hsla(${r=(j+t)%6.3*69},69%,42%,${1-r/222}`

Jan 11 2020 12:16 AM UTC

}// 140/140

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pavel

function u(t) {

for(c.width|=i=4;i--;x.fill(x.arc(96*(8+i%2*4+2*o+C(a=Math.PI*(o?q:-q))),540+96*S(a),96,0,7)))q=t+3*(i>1),x.beginPath(o='001221'[~~q%6]-1)

Jan 7 2020 11:54 PM UTC

}// 138/140

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Points

Show more comments…
u/pavel

Credit https://www.reddit.com/r/loadingicon/comment…
u/tylertoomey

Can you explain how you are declaring your variables? specifically in "8+i%2*4+2*o+C" you reference 'o' and 'C' before they have even been declared -- I think.
u/pavel

for(i=9;i--;/*code here*/)/*runs after code here*/
u/ivylab

Exactly the other way around, isn't it? First the code after the bracket runs and then the code in the brackets. Your declaration is behind them. c.width=1e3;for(i=9;i--;x.fillStyle='red')x.fillRect(112*i,0,100,1000) shows that too.
u/sigveseb

Or in other words, a for loop for(A; B; C) D; will run the different parts in this order: A B D C B D C B D C .. B
u/ivylab

Exactly what I think and meant. Well written @sigveseb
u/joeytwiddle

beginPath, arc and do-si-do 🕺💃 🎻
u/UEZ

#dance

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KilledByAPixel

remix of d/13867 by u/KilledByAPixel

function u(t) {

t?c.width=99:X=Y=W=V=1
onmousemove=E=>A=E.y/7
x.fillRect(X+=V=X>96|X<9&X>4&V<0&Y>A-4&Y<A+9?-V/.96:V,Y+=W=Y%52?W:-W,4,4)
x.fillRect(4,A,5,9)

Jan 6 2020 9:24 PM UTC

}// 139/140

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Solo Pong - Use Mouse To Play #game #interactive #pong #uncompressed

u/katkip

awesome!
u/Coalshork

on old systems this would be called handball and be a seperate game lol

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New_Core

function u(t) {

t?x.drawImage(c,0,a=t*60%6*T+T,T=2e3,T,0,0,T,T):c.height=14e3
x.font="5cm'"
x.fillText("🥱",900+600*S(t*.9),600+350*C(t*2)+a)

Jan 6 2020 9:49 AM UTC

}// 124/140

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old trick..

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