New #animated dweets

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: #ScaryMovies

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ciaccodavide

remix of d/24208 by u/ciaccodavide

function u(t) {

for(c.width=w=64,i=0;i<w*w;i++)x.fillRect(X=i%w,y=~~(i/w),(.7*X*(k='nnnnn22nnncHTTT222222TTTHcnnn22nnnnn'.charCodeAt(y))+t-X**2+k*.01)%2,1)

Oct 23 2021 8:16 AM UTC

}// 139/140

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u/rep_movsd

This is cool
u/Joachim

I only just realised you can change the pattern from the string! #pattern #animated

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Joachim

function u(t) {

eval(unescape(escape`󨼮󭽩󩍴󪌽󜼰󜌊󫜽󜜵󜌊󩭯󬬨󪜽󜼵󞽩󛜭󞼩󮌮󬽴󬭯󪽥󤭥󨽴󚍩󚬹󛜹󛍭󛌹󛌭󜬰󛝭󙝓󚍩󚜪󝌰󚜊󩭯󬬨󪜽󜬰󞽩󛜭󞼩󭽩󭍨󚍸󚝧󫍯󨭡󫍁󫍰󪍡󟜮󝼬󩭩󫍬󤭥󨽴󚍫󟝭󚽃󚍴󚽩󚜪󝜰󛍳󟜸󜌫󤼨󭌫󪜩󚬵󜌬󞜬󞜩󛍭󫽶󩝔󫼨󪼬󬼩󛍬󪝮󩝔󫼨󫜬󞌰󚜬󫍩󫭥󥍯󚍭󛍭󚜬󬽴󬭯󪽥󚌩`.replace(/u../g,'')))

Sep 17 2021 3:44 PM UTC

}// 140/140

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London eye

u/Joachim

#animated #city
u/rep_movsd

Nice work!
u/KilledByAPixel

Nice, I recognize that spot!
u/sigveseb

impressive
u/vain

really impressive

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f8f82804

remix of d/15120 by u/f8f82804

function u(t) {

for(a=b=j=0,h=c.height^=0,i=4*h;i--;j+=2*Math.random()-t)x.fillRect(420+h*(a=a/2+((j&2?j:~j)&1)/2),h*(b=b/2+(j&2)/4),4,4)

Jul 23 2019 10:08 PM UTC

}// 121/140

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#animated #chaos #fractal

u/f8f82804

#chaosgame

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f8f82804

remix of d/11825 by u/f8f82804

function u(t) {

x.fillText(s=t?s.replace(/[̀-ͯ]*/g,m=>m.slice(-9)+String.fromCharCode(768+frame++%112)):' '.repeat(174),0,900,c.width^=0,x.font='128px a')

Jan 16 2019 12:16 AM UTC

}// 138/140

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#zalgo #highway #animated -- #unicode #regex #regexp

u/donbright

nice

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anotherkitten

function u(t) {

t||(w=0)
onmousemove=_=>{w=((_.x-250)*6+w)/3}
c.width=1920;for(i=9;i--;)
x.fillRect(550+i*100+Math.abs(S(t/2))*(w*=w?.999:0),400,50,200)

Sep 19 2018 4:01 PM UTC

}// 136/140

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default but you can play with it

u/f8f82804

#mouse #animated

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katkip

function u(t) {

c.width^=0;c.style.transform='rotate('+C(t)*10+'deg)';for(i=0;i<9;i++)x.fillRect(540+i*100+S(t+S(i)/9)*300,400,50,200)

Sep 19 2018 3:59 PM UTC

}// 118/140

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Gravity #default !! !

u/katkip

#animated
u/katkip

You will understand this when selecting green theme

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f8f82804

remix of d/9721 by u/f8f82804

function u(t) {

for(i=c.width^=0;i--;){
ϕ=i/3/(99+S(t));
X=S(i)*S(ϕ);
Y=C(ϕ);
Z=C(i)*S(ϕ)+2;
if(Z<1.6)x.fillRect(960+800*X/Z,540+800*Y/Z,s=32*(1.6-Z),s);
}

Sep 9 2018 9:35 PM UTC

}// 139/140

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#cell #sphere #animated #perspective

u/donbright

thats weird... like a fruit or something

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f8f82804

function u(t) {

with(x)for(i=c.width^=0,w=i/2;i--;beginPath(stroke()))θ=i/99+t,a=2+C(θ),moveTo(w,i/a),lineTo(w+S(θ)*w/a,i^w),strokeStyle=`hsl(${i} 95%50%`

Sep 9 2018 9:17 PM UTC

}// 138/140

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cursed_lampshade.swf

u/f8f82804

#rainbow #plotter #animated

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f8f82804

remix of d/9676 by u/f8f82804

function u(t) {

eval(unescape(escape`景爨椽挮睩摴桞㴰㭩ⴭ㭸⹢敧楮偡瑨⡸⹦楬氨⤩⥃⡡㵴⵩⤾〦♸⹥汬楰獥⠹㘰⬨堽⡩⨹㘰⵩⩩⤪⨮㔪匨愩⤬㘰⭩Ⱘ猽㈵⴨匨愭ㄩ⨨戽⠱⴨⡙㵩ⴴ㠰⤯㐸〩⨪㈩⨪⸵⤩⨪㐪㈴⤪䌨愩⩢ⱳⱍ慴栮慴慮⡙⽘⤬〬㜩`.replace(/u(..)/g,"$1%")))

Sep 5 2018 8:57 PM UTC

}// 138/140

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#specular #d3 #sphere #animated #compressed

Show more comments…
u/f8f82804

for(i=c.width^=0;i--;x.beginPath(x.fill()))C(a=t-i)>0&&x.ellipse(960+(X=(i*960-i*i)**.5*S(a)),60+i,(s=25-(S(a-1)*(b=(1-((Y=i-480)/480)**2)**.5))**4*24)*C(a)*b,s,Math.atan(Y/X),0,7)
u/joeytwiddle

I like how the circles become ellipses at the edges. https://codegolf.tk/a/254
u/magna

WHOA
u/f8f82804

u/joeytwiddle: that's the whole point of this demo, the lighting is just there because I had to compress it and had leftover space
u/f8f82804

you can see this concept implemented without compression in d/9676
u/iverjo

Very nice!
u/f8f82804

#fullhd

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f8f82804

remix of d/9669 by u/f8f82804

function u(t) {

t||(X=8);c.onmousemove=e=>{X=e.x/99};c.width^=0;for(x.beginPath(i=370);i--;x.lineTo(960*(1+S(i+X+C(i))),540*(1+C(i*3-t+S(i)))));x.stroke()

Sep 5 2018 4:42 PM UTC

}// 138/140

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use your #mouse to rotate the view -- #animated

u/donbright

love it!!!!!!!!
u/iverjo

#interactive

dwitter.net | #animated