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 2 remixes fullscreen

joeytwiddle

remix of d/7839 by u/prplz

function u(t) {

with(x)for(c.width|=i=0,translate(S(3*t)*300+430,350);i++<9;)translate(100,0),rotate(k=C(3*t+.1)/2),fillRect(-25,100,50,200),rotate(-k)

Apr 29 2018 9:13 AM UTC

}// 135/140

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

Swinging #default

u/katkip

Hehe
u/joeytwiddle

Please give prplz a +1, I only turned their dweet upside down!

show FPS hide FPS share fullscreen

Ameo

function u(t) {

f=x.fillRect.bind(x);for(w=t;w<1000;w+=(t%10)*5+1){x.fillStyle=R(w%255,w%150,w%200,1.0);f(w,w,w+1200,w+33);f(820-w,w,w+1200,w+50);}

May 2 2018 2:46 AM UTC

}// 131/140

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

trancor

function u(t) {

eval(unescape(escape`眽挮睩摴栽㘰〻ⅴ☦⡹㵛崬甽孝⤻景爨椽㤹㭩ⴭ㬩欽祛楝╷籼眬漽畛楝╷籼匨椩Ɱ㴱Ɑ㵩┶ⴲⱹ⹭慰⠨戬愩㴾筤㵢⵫ⱶ㵵孡崭漬䵡瑨⹳煲琨搪瘩㰵〦☨渭㵤⼹〬洭㵶⼹〩紩ⱸ⹦楬汒散琨祛楝㵫⭮Ⱶ孩崽漫洬㤬㤩`.replace(/u(..)/g,"$1%")))

May 2 2018 11:09 PM UTC

}// 140/140

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

Tried so hard and failed to get this working - h=(w=c.width=600)/2;!t&&(y=[],u=[]);for(i=99;i--;)k=y[i]||w/2,o=u[i]||h/2,n=C(i),m=S(~i),y.map((b,a)=>{d=b-k,v=u[a]-o,Math.sqrt(d*d+v*v)<50&&(n-=d/80+S(t),m-=v/80)}),x.fillRect((y[i]=(k+n+w)%w)/.9-9,(u[i]=(o+m+h)%h)/.8-9,6,6) Thanks u/MrM@_S for inspiration to look into obfuscation and cheating the char count ;)

u/trancor

Been seeing an error variable u undefined sometimes, just add a space after the last ), it will work then.

show FPS hide FPS share fullscreen

danielwdunn

function u(t) {

x.fillRect(50*t,212*S(t)+200,244,199)
x.fillRect(212*t,200*S(t)+200,244,199)
x.fillStyle=R(33,140*C(100*t),100)

May 1 2018 9:12 PM UTC

}// 111/140

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

MrM@_S

function u(t) {

eval(unescape(escape`挮睩摴栽琿㔷㨨堽䅲牡礨儽㠩Ɐ湫敹異㵥㴾⡑⬽攮步礩嬲崦☨塛欽縭兛㉝☷嵞㴨栽㌼㰨縭兛儽ㅝ☷⤩籨⼲ⱘ嬭繫嵞㵨☽栯㈬塛縭歝帽栩⤻景爨椽䬽㠻䬥㡼籩ⴭ㭋㵾ⵋ籼㠩塛楝☲⨪縭䬦♸⹦楬汒散琨䬪㐬椪㐬㐬㐩`.replace(/u(..)/g,"$1%")))

Apr 29 2018 7:16 PM UTC

}// 140/140

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

[lights On] a variation of the lights off game. To play, enter an X coordinate (keys 1-8 on the keyboard), and then a Y coordinate (keys 1-8 on the keyboard). Your objective is to fill the entire board with black squares.

show FPS hide FPS share fullscreen

johnbruin

function u(t) {

c.width=1920;
x.lineWidth=10;
for(j=0;j<6.28;j=j+.01) {
   x.lineTo(960+C(j*4)*C(t/15+j)*960,500+C(j*4+t/5)*400);
}
x.stroke();

Apr 29 2018 9:49 PM UTC

}// 127/140

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 1 remix fullscreen

iverjo

remix of d/582 by u/iverjo

function u(t) {

t>7?(x.fillStyle='#fff',x.fillRect(278+(t|0)*90,155,15,15)):(X=S(S(t*4)*1.5),x.lineTo(960+110*X*X*X,480-546*C(t)+294*C(2*t)),x.fill())

Apr 29 2018 6:07 PM UTC

}// 134/140

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

Catwoman, golfed

u/joeytwiddle

Save 18 chars with :s/fill.*Rect/clearRect/

show FPS hide FPS share fullscreen

stxxl

function u(t) {

c.width=1920;for(i=1;i<=50;i++){xp=C(0.1256*i)*400;y=S(0.1256*i)*400;xp=C(t)*xp+S(t)*y;y=S(t)*xp-C(t)*y;x.fillRect(960+xp,540+y,20,20)}

Apr 30 2018 2:52 PM UTC

}// 135/140

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

New_Core

remix of d/7822 by u/trancor

function u(t) {

t?s=S(t)*9+29:c.width=w=99
for(i=0;i<w*w;i+=7)j=i%w,k=i/w,x.fillStyle=`hsla(${s},99%,${C(t+S(j+k)*C(i*k)*3)*99}%,.01)`,x.fillRect(j-6,k,s,s)

Apr 28 2018 12:37 AM UTC

}// 140/140

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

u/trancor

Let it burn! I dig!
u/iverjo

#fire

show FPS hide FPS share fullscreen

Agnes

remix of d/7843 by u/Agnes

function u(t) {

for(c.width|=i=9,a=C(t);i--;x.setTransform(1,0,-S(a+S(i+t)/4)/5,1,100*(4+i),400),x.fillRect(300*S(t)+25*S(i+a),200,50,-200));

Apr 29 2018 4:16 PM UTC

}// 125/140

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

Really rickety default

u/Agnes

#default
u/lionleaf

This makes me slightly uncomfortable
u/donbright

hilarious