Dweets awesomed by u/maniflames

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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jonsheller

function u(t) {

b=255;x.fillStyle=R(b,b,b,.1);x.fillRect(0,0,1920,1080);x.fillStyle=R()
for(i=0;i<99;i++)x.fillRect(i*20+S(t)*300,100*(5+5*C(.8*t+i)),9,9)

Dec 31 2017 8:35 PM UTC

}// 138/140

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laynehobby

function u(t) {

c.width=2e3;
r=1;
for(i=0;i<100;i++){
x.fillRect((r+(t+1)*i*10)%2e3,r%1e3,8,8);
r=r*97%2003;
}

Dec 31 2017 7:28 PM UTC

}// 95/140

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rikardlindstrom

function u(t) {

!t&&x.translate(980,540)
for(i=99;i;i--){x.fillStyle='#'+(4E5+(255<<(w=t*i))).toString(16).substr(-6)
x.rotate(.3)
x.fillRect(l=-w/2,l,w,w)}

Dec 30 2017 6:15 AM UTC

}// 140/140

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ben

function u(t) {

function v(a,b,g,r){if(r>1){x.fillRect(a+=r*S(g),b-=r*C(g),2,2)
v(a,b,g-1+C(t),r*=.7)
v(a,b,g+.5+S(t),r)}}c.width=500
v(250,270,0,80)

Dec 28 2017 9:28 PM UTC

}// 133/140

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Show more comments…
u/Xen

LOVE IT!
u/ben

trying to make a swaying tree but requires too many characters to draw the branches
u/Xen

join the chat and show your code... :-)
u/sigveseb

Very good!
u/itsjustmustafa

recursive functions in under 140, love it!
u/Bendoman

Best thing on here by far.
u/FrankMoren27

awesome
u/iverjo

#recursive
u/lionleaf

#fractals
u/vain

incredible

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hope4tg

function u(t) {

c.width=600;

for(i=0;i<50;i++)
  x.fillRect(i*40, 160 + T(1*t+(i*3))*10, 10*T(C(t)), 100*C(t))

Dec 27 2017 12:30 PM UTC

}// 97/140

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Slippery!

u/E-Mouse

Cool!

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josehcls

function u(t) {

  c.width=1920;
  for(i=0;i<70;i++){x.fillStyle=R(0,S(i)*S(i)*255,C(i)*C(i)*255)
  x.fillRect(-60+i*30,C(4*t+(i*2))*300,200,1000)}

Dec 27 2017 12:21 PM UTC

}// 130/140

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maniflames

function u(t) {

c.width=1920;
for(i=0;i<12;i++){
x.fillRect(300+i*100+T(t)*300, 800+20*i, 50, 200+ 100*S(t) - 35*i); 
}

Dec 27 2017 12:15 PM UTC

}// 103/140

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First 😊

u/Sven

Awesomee

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Sven

function u(t) {

M=Math.random;G=(c)=>M()*c;H=c.height,W=c.width,n=80,o=n*3;x.fillStyle=R(G(o),G(o),G(o),1);for(i=0;i<n;i++){x.fillRect(G(W),G(H),G(n),G(n))}

Dec 27 2017 10:57 AM UTC

}// 140/140

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My first one! 😎

u/maniflames

😏

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tbroadley

function u(t) {

c.width^=0;for(i=3;i++<11;)a=i*S(t)/4,x.beginPath(),x.arc(960,540,40*i,Math.min(t+a,t+3*a),Math.max(t+a,t+3*a)),x.lineWidth=i*i/5,x.stroke()

Feb 26 2017 5:40 AM UTC

}// 140/140

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u/sfz

sweet loader
u/Kalanchoe

mesmerizing!
u/Tosmatobeef

This is my favorite kind of loading animation
u/iverjo

#loading

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SingingGoat

function u(t) {

c.width=1920;
for(i=0;i<9;i++){
x.lineWidth=15+10*C(2*t);
x.strokeRect(925+i*100*C(2*t),430+i*50*S(t),50*S(t),200);}

Feb 23 2017 1:38 PM UTC

}// 116/140

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