Dweets awesomed by u/S.T.L.K.R.

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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iverjo

remix of d/1278 by u/iverjo

function u(t) {

c.width^=0;for(i=5e3;i--;)d=C(p=t+i/3e3+i%4/.637)-S(p),x.fillStyle=R(a=74*d+74,i/t),d>0&&x.fillRect(960+199*S(p)+400*S(t+i/6e3),i/4,199*d,1)

Feb 25 2017 12:55 PM UTC

}// 140/140

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As suggested by donbright

u/iverjo

#twister

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sigveseb

remix of d/1232 by u/iverjo

function u(t) {

c.width^=0;for(i=5e3;p=3*t+S(t/2)*i/3e3+i%4*2,i--;x.fillStyle='red')d=C(p)-S(p),d>0&&x.fillRect(960+199*S(p)+249*S(t+i/6e3),i/4-2,199*d,1/d)

Feb 24 2017 11:39 PM UTC

}// 140/140

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u/donbright

kind of looks like a straw!
u/sigveseb

#twister

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iverjo

remix of d/89 by u/iverjo

function u(t) {

c.width^=0;for(i=5e3;i--;)p=3*t+S(t/2)*i/3e3+i%4/.637,d=C(p)-S(p),d>0&&x.fillRect(960+199*S(p)+249*S(t/.7+i/6e3),i/4-2,199*d,1/(d+1))

Feb 24 2017 6:50 PM UTC

}// 133/140

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Show more comments…
u/SpecialAgent

nicely done!
u/Kalanchoe

Flawless!
u/donbright

oh wow, the shading!
u/sigveseb

Good twister! Can we add color?
u/iverjo

Color would be awesome :) Feel free to try to add it
u/sigveseb

https://www.dwitter.net/d/1267 red
u/iverjo

Here's a purple version. Had to make some compromises. https://www.dwitter.net/d/1278
u/donbright

i attempted a rainbow version https://www.dwitter.net/d/1282
u/iverjo

#twister
u/vain

nice twister

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iverjo

remix of d/104 by u/iverjo

function u(t) {

c.width^=0;for(i=9;i<2e3;i+=2)s=3/(9.1-(t+i/99)%9),x.beginPath(),j=i*7+S(i*4+t+S(t)),x.lineWidth=s*s,x.arc(960,540,s*49,j,j+.6),x.stroke()

Feb 24 2017 6:47 PM UTC

}// 138/140

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Show more comments…
u/SpecialAgent

my hat goes off to you sir!
u/Kalanchoe

That's unbelievable
u/iverjo

Try this one in fullscreen for a more immersive experience
u/Niklas

impressive!
u/donbright

:)
u/aendrew

This is incredible.
u/vonzo

reminds me to Gescom <3
u/hvge

http://www.pouet.net/prod.php?which=3397 ❤️
u/badthai

How did you come up with this?
u/iverjo

@badthai: First I made a classic tunnel effect (like this: https://www.dwitter.net/d/205). Then I made several remixes of it by tweaking parameters. This was one of the results. See also https://www.dwitter.net/d/106
u/iverjo

#tunnel
u/vain

cool segmented tunnel fly

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jczimm

function u(t) {

c.width=1920;
for(i=0;i<300;i++)for(j=0;j<6;j++){x.fillRect(960+200*C(i)*S(T(t/1.1)+j/i),540+200*S(i),10,10)}

Feb 22 2017 5:23 PM UTC

}// 109/140

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u/sigveseb

Very stylish!
u/ninerdelta

nice!
u/Kalanchoe

truly a compact loading spinner!
u/jczimm

Thanks!
u/serko

Any way to view this fullscreen on an iPhone?
u/tischler

Awesome. Negating t makes it more aerodynamic. =)
u/Valscor

This is so cool!
u/over

This would be an amazing loading animation !
u/katkip

This is so easy to make and it has 297 likes
u/Leodude123

ねあt
u/Leodude123

Neat!
u/Scaledish

Could I use this as a animation for my site?
u/jczimm

Yes! Consider it CC0-licensed

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Niklas

function u(t) {

c.width|=0;
				cH=c.height/2;h=cH/2;
				for(i=0;i<c.width;i++){
					y=cH+S(i*t/10)*h;
					x.lineTo(i,y);
				}
				x.stroke();

Feb 22 2017 3:59 PM UTC

}// 130/140

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lionleaf

remix of d/41 by u/lionleaf

function u(t) {

c.width=2e3;for(i=0;s=300,a=s/(s-(t+i*s/900)%s),i<900;i++){x.strokeRect(999-a*(1+S(t))/2,500-a*(1+C(t*2))/2,a,a)} //Redweet of an old tunnel

Feb 22 2017 2:15 AM UTC

}// 140/140

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#tunnel

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sigveseb

remix of d/302 by u/sigveseb

function u(t) {

(F=Z=>{for(x.fillStyle=R(W=1/Z*4e3,W/2,W/4),i=Z*Z*2;n=i%Z,m=i/Z|0,i--;n%2^m%2&&x.fillRect((n-t%2-1)*W,(S(t)+m-1)*W,W,W));Z&&F(Z-6)})(36)//rm

Feb 21 2017 11:18 PM UTC

}// 140/140

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Show more comments…
u/dx4100

absolute insanity in two lines of code -- so awesome!
u/Daboo

I love it
u/lionleaf

All credit to u/sigveseb! dwitter.net/d/302
u/surasshu

fabulous!
u/alpha

Nice
u/soxface

incredible...
u/suresh

Awesome!
u/arowberry

really really cool!
u/highfestiva

This is far from your best work, why is it so liked?
u/iverjo

Because it got much exposure during a traffic peak on dwitter last year
u/iverjo

Besides, it's an awesome dweet :D
u/iverjo

https://www.youtube.com/watch?v=vFdDOcDLXt4
u/iverjo

#recursive
u/vain

Very cool checkerboard parallax fx
u/fentbiggesthater

decent

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New_Core

remix of d/630 by u/New_Core

function u(t) {

for(a=i=629;i--;)s=99/(b=-a+(i+t*60)%a),X=a*S(i*99)*s+1e3,Y=a*C(i)*s+500,i<628?b+=a:(X=Y=0,s=a),x.fillStyle=R(b,b,b),x.fillRect(X,Y,s*9,s*9)

Jan 20 2017 9:28 AM UTC

}// 140/140

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for a smoother start

u/donbright

bravo
u/iverjo

#stars #starfield

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lionleaf

remix of d/592 by u/New_Core

function u(t) {

c.width=2e3;a=99*S(t)+300;;for(b=i=500;i--;)x.strokeStyle='red',X=1e3+a*S(i)*S(i*0.5+.3*T(t))-b*C(t*.5),Y=b+a*C(i),x.lineTo(X,Y);x.stroke();

Jan 13 2017 8:33 PM UTC

}// 140/140

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Hot air baloon caught in a tornado!

u/lionleaf

#balloon

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