Dwitter - javascript demos in 140 characters

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

Please log in (or register) to post a dweet (copy-paste the code somewhere safe to save it meanwhile)


    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

show FPS hide FPS share 1 remix fullscreen

katkip

function u(t) {

c.width^=0;for(i=0;i<77;i++)for(j=0;j<44;j++)x.fillStyle=`hsla(${i+t*99+j},99%,50%)`,x.fillRect(i*25,j*25,25,25)

Sep 22 2018 4:50 PM UTC

}// 112/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

#rainbow

show FPS hide FPS share 1 remix fullscreen

SuperFromND

function u(t) {

eval(unescape(escape`挮獴祬攮扡捫杲潵湤㵒⠩ⱸ⹦楬汓瑹汥㵠桳氨⑻琪㴳㔰紬㤰┬⑻琥㤹紥怬砮晩汬剥捴⡔⡴⤪㈰〰ⰱⰸⰸ⤬砮摲慷䥭慧攨挬㈬㐩ⱸ⹦潮琽∹㥱⁷∬砮晩汬呥硴⠢桥汬漠摷楴瑥爢ⰷ㔰ⰵ〰⤻`.replace(/u(..)/g,"$1%")))

Sep 21 2018 2:35 PM UTC

}// 129/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

u/Purpzie

hello
u/Purpzie

also how the heck did you do this?? like the Japanese text
u/marc8

That's japascript

show FPS hide FPS share 1 remix fullscreen

username

remix of d/10042 by u/username

function u(t) {

 for(x.shadowBlur=i=128;i>0;i-=2,x.shadowColor=x.fillStyle=`hsl(${C(t)*i+t*i/9} 99%34%)`)x.fillRect(960+11*i*C(a=t*i/16),546+11*i*S(a),i,i)

Sep 23 2018 12:31 PM UTC

}// 139/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

point

show FPS hide FPS share 1 remix fullscreen

username

remix of d/10037 by u/username

function u(t) {

 for(x.shadowBlur=i=128;i>42;i-=2,x.shadowColor=x.fillStyle=`hsl(${C(t)*i+t*i/9} 99%63%)`)x.fillRect(960+11*i*C(a=t*i/16),526+11*i*S(a),i,i)

Sep 23 2018 12:29 PM UTC

}// 140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

show FPS hide FPS share fullscreen

Hedgehog

function u(t) {

x.fillStyle = R(T(t)*255,C(t)*100,S(t)*255,1)
x.fillRect(t*100,S(t)*500+540,t*100,S(t)+10)

Sep 20 2018 4:58 PM UTC

}// 91/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

show FPS hide FPS share fullscreen

katkip

function u(t) {

c.width*=1;
for(i=0;i<400;i++)x.fillRect(i*(5+t/99),0,S(t*i/99)*3,2000)
for(i=0;i<400;i++)x.fillRect(0,i*(5+t/100),2000,S(t*i/99)*3)

Sep 21 2018 11:28 AM UTC

}// 132/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Black and white illusion. Don't see the #illusion ? Fullscreen

u/metamero

#ScintillatingGridIllusion

show FPS hide FPS share fullscreen

ETHproductions

remix of d/9909 by u/gho.xlrtx@gmail.com

function u(t) {

for(I=t||(X=960,Y=540,D=10,F=J=Q=0,N=1);I;++J>2*F&&(Q=F++%2?D:-D,J=1),J>F?Y+=Q:X-=Q)for(I=++N**.5|0;N%I--;);x.fillRect(X,Y,D,D)

Sep 21 2018 2:32 AM UTC

}// 127/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Ulam Spiral, golfed and modified to add a prime each frame

u/katkip

Nice

show FPS hide FPS share 2 remixes fullscreen

anotherkitten

remix of d/9931 by u/Xen

function u(t) {

c.style.background=R();if(t<34)with(x){shadowColor=`hsl(${t*99} 76%66%`
shadowBlur=19
fillRect(9,9,9,9)
translate(25,8)
rotate(t*2.10587)}

Sep 19 2018 12:03 AM UTC

}// 138/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

spiral of spirals

u/donbright

id love a shirt like this
u/katkip

that's indeed awesome
u/magna

Neat!

show FPS hide FPS share fullscreen

amylovatt

function u(t) {

c.width^=0;x.translate(c.width/2,c.height/2 );x.rotate(t*Math.PI/30);x.arc(0,0,320,0,2*Math.PI);x.stroke();x.fillRect(0,0,8,300);

Sep 23 2018 8:49 AM UTC

}// 129/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

show FPS hide FPS share fullscreen

anotherkitten

function u(t) {

eval(unescape(escape`瑼籸⹴牡湳污瑥⠹㘰ⰵ㐰⤫⡡㴱⤻砮晩汬剥捴⠰ⰰⰹ㘰ⰹ⤻晲慭攥㤹籼砮捬敡牒散琨戽ⴳ攳Ɫⰶ攳ⰶ攳⤫⡡㴡愩㭸⹦楬汓瑹汥㵡㽺㵒⠱㘰⤺刨⤻挮獴祬攮扡捫杲潵湤㵡㽒⠩㩺㭸⹤牡睉浡来⡣ⰰⰰ⤻砮牯瑡瑥⠮㤩`.replace(/u(..)/g,"$1%")))

Sep 21 2018 4:15 PM UTC

}// 140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

shattered

u/anotherkitten

source: t||x.translate(960,540)+(a=1);x.fillRect(0,0,960,9);frame%99||x.clearRect(b=-3e3,b,6e3,6e3)+(a=!a);x.fillStyle=a?z=R(160):R();c.style.background=a?R():z;x.drawImage(c,0,0);x.rotate(.9)