Dweets by u/magna

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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magna

function u(t) {

c.style.filter='invert(1'
for(i=2;i--;x.fillText(i?'🥚':[...'ALIEN'].join`　　　`,960,200+i*600))x.font=`${3+i*9}cm Arial`,x.textAlign='center'

Oct 13 2021 5:53 PM UTC

}// 139/140

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One of the best #ScaryMovies of all time

u/tomxor

Yess!
u/magna

More authentic version: d/24101
u/mxfh

'A L IEN'

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magna

remix of d/24079 by u/yonatan

function u(t) {

eval(unescape(escape`󭜽󪌽󝜱󜜻󩭯󬬨󨼮󭽩󩍴󪍼󟝫󟜰󞽫󟌲󞽫󚼽󛬰󜬩󩭯󬬨󪜽󭜽󭜪󝜦󪌻󭼽󪜭󛜯󝌻󚝸󛭦󪝬󫍒󩝣󭌨󚌨󪽼󯍓󚍩󚜩󚽴󛽨󚬨󪼿󭜯󞜺󞜩󚜥󜜪󪌪󝜭󪌭󭜪󥌥󭼬󥌽󪌫󚍩󙬵󟽩󛝵󞭵󛝩󚜬󪼿󭼺󭜬󜬫󤼨󥌾󪌦󙭷󚽴󚬹󚜩`.replace(/u../g,'')))

Oct 12 2021 5:01 PM UTC

}// 118/140

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Boat trip

Show more comments…
u/magna

Assignment: Add a V-shaped flock of migrating birds
u/magna

Uncompressed: u=h=511;for(c.width|=k=0;k<2;k+=.02)for(i=u=u*5&h;w=i--/4;)x.fillRect(((k||S(i))+t/h*(k?u/9:9))%1*h*5-h-u*T%w,T=h+(i&5?i-u:u-i),k?w:u,2+S(T>h&&w+t*9))
u/danny@hille.dk

sweet parallax effect!
u/yonatan

beautiful, much nicer with the parallax
u/magna

Thanks!
u/tomxor

First thing I thought of when I saw Yonatans! Such a great team effort, the original idea, lots of golfing and these two finishing touches.
u/rep_movsd

Fantastic
u/rep_movsd

Now add color 😂

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magna

remix of d/24020 by u/magna

function u(t) {

(A=t%1)<.1&&(c.width|=0)
w=1920
h=1080
Z=S(t)+3
for(i=w;--i;x.fillRect(i-w/2,-h/2,1,T(i)*h))x.setTransform(k=C(A)*Z,z=S(A)*Z,-z,k,w/2,h/2)

Oct 7 2021 5:10 AM UTC

}// 138/140

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magna

remix of d/24019 by u/magna

function u(t) {

w=c.width|=0
h=1080
A=S(t/5)+2
Z=S(t/7)+3
x.setTransform(k=C(A)*Z,z=S(A)*Z,-z,k,w/2,h/2)
for(i=w;--i;)x.fillRect(i-w/2,-h/2,1,S(i+Z-A)**2*h)

Oct 7 2021 4:57 AM UTC

}// 140/140

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magna

remix of d/24018 by u/magna

function u(t) {

w=c.width|=0
for(i=w;--i;)x.fillRect(i,0,1,S(i+t/2)**2*1080)

Oct 7 2021 4:28 AM UTC

}// 60/140

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Playing with lines

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magna

remix of d/24015 by u/magna

function u(t) {

w=c.width|=0
t||(a=Array(w).fill(i=0).map((_,i)=>S(i)**2))
for(j=w;--j;a[i]>a[j]&&(R=a[i],a[i]=a[j],a[j]=R))x.fillRect(j,0,1,a[j]*1080)
i++

Oct 7 2021 2:44 AM UTC

}// 139/140

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Satisfying sin^2 sort remix

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magna

function u(t) {

w=c.width|=0
t||(a=Array(w).fill(i=0).map(Math.random))
for(j=w;--j;a[i]>a[j]&&(R=a[i],a[i]=a[j],a[j]=R))x.fillRect(j,0,1,a[j]*1080)
i++

Oct 6 2021 11:57 PM UTC

}// 136/140

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Unbelievable Sort https://twitter.com/petarv_93/status/1445743…

u/ciaccodavide

#sort
u/magna

My implementation allegedly has a flaw that doesn't match the cursed behaviour of the original algo, but I wasn't able to immediately see it.

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magna

function u(t) {

c.width=192
c.style.filter='invert(1'
x.font='2cm"'
for(i=0;i<2;x.fillText([...'🌑🌒🌓🌔🌕🌖🌗🌘'][t+i++&7],59,83))x.globalAlpha=i?t%1:1

Jul 7 2021 11:45 PM UTC

}// 128/140

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Phases of the moon #time

u/Toby

Really cool. Great idea!

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magna

function u(t) {

o=9
n=(t*9|0)-o
m=Number.MAX_SAFE_INTEGER
s=m+n
d=(s+'').slice(9)-(m+'').slice(9)
e=d-n
w=3
x.fillRect((n+o)*w,540+e*w,w,w)

Jul 6 2021 4:28 PM UTC

}// 123/140

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Float error beyond MAX_SAFE_INTEGER

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magna

function u(t) {

c.width|=0
x.globalCompositeOperation='xor'
for(i=22;i--;x.fill())x.beginPath(),x.arc(960,540,25+i*50+(t%1)*100,0,7)

Jul 1 2021 5:02 AM UTC

}// 116/140

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u/andrea270872

#hypno cool

dwitter.net | magna (4098)