Dweets awesomed by u/JonasPeeters

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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ben

remix of d/4348 by u/lowpoly

function u(t) {

c.width^=0
x.globalCompositeOperation='xor'
for(p=2e3;p--;)d=p/300+1,x.fillRect(-99+(p+99*(t+5E4)*d)%2E3,(""+p*S(p)/9).substr(5,3)*2,d*=d,d)

Dec 30 2017 9:06 PM UTC

}// 140/140

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u/sigveseb

Tasteful use of xor!
u/New_Core

same effect can be done shorter with x.rect and x.fill('evenodd')

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JonasPeeters

function u(t) {

c.width=w=2e3
x.fillStyle="fac"
x.fillRect(0,0,w,999)
c=400
if(n=(m=50*S(t*9)**3)>0)
c+=m
x.font=c+"px a"
x.fillText("❤️",800-(n?m/2:0),700)

Dec 30 2017 11:26 AM UTC

}// 140/140

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u/iverjo

#heart

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travisdoesmath

remix of d/4815 by u/travisdoesmath

function u(t) {

for(i=0;i<300;i++){x.fillStyle=R((i)%255,(i)%255,(i+20*t)%255);x.beginPath(),x.arc(960-i/9*S(i+t)*30,540+i/9*C(i+t)*30,i/2,0,6.28);x.fill()}

Dec 30 2017 6:01 AM UTC

}// 140/140

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u/crimbles

Remixed https://www.dwitter.net/d/5358

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JonasPeeters

function u(t) {

x.fillStyle="123"
x.fillRect(0,0,1920,1080)
for(i=0;i<99;i++){x.font=(h=S(i*957)+1)*15+20+"px d"
x.fillText("❄️",i*19,((t+999)*200*h)%1150)}

Dec 30 2017 2:11 AM UTC

}// 140/140

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JonasPeeters

function u(t) {

x.fillStyle="000"
x.fillRect(0,0,w=1920,999) 
x.fillStyle="5d5"
for(i=0;i<w/2;i++)x.fillRect(i,(S(n=i/99+t)**(b=100)-S(n-0.4)**b)*b+500,9,9)

Dec 30 2017 1:49 AM UTC

}// 140/140

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JonasPeeters

function u(t) {

x.fillStyle="123";
x.fillRect(0,0,1920,1080);
x.font="50px d";
for(i=0;i<99;i++)
  x.fillText("❄️", i*19, (t*200+S(i)*1000)%1150)

Dec 29 2017 2:44 PM UTC

}// 129/140

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u/iverjo

#snow

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JonasPeeters

function u(t) {

c.width=999;
x.fillStyle=x.strokeStyle=R(0,59,111,(S(10*t)+S(t)*3)/4+0.5);
x.fillRect(350,99,260,440);
x.strokeRect(460,50,40,50);

Dec 29 2017 12:57 PM UTC

}// 130/140

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JonasPeeters

function u(t) {

c.width=998;x.moveTo(499,280);q(10,0,499,280);x.stroke();function q(l,a,m,n){x.lineTo(d=m+S(a)*l,f=n+C(a)*l);if(l<1000){q(l+10,a+t/10,d,f)}}

Dec 28 2017 12:07 PM UTC

}// 140/140

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Wait for it.

u/mohd-akram

Beautiful.

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Exca

function u(t) {

t/=4;for(i=0;i<1100;i++){d=C(t+i),s=i==0?2920:9-d*8;x.fillStyle=R(i,i,i,0.1);x.fillRect(S(t*2.5+i)*220*S(C(t)+i%50)+960*(i==0?-1:1),i,s,s);}

Dec 27 2017 7:58 PM UTC

}// 140/140

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Show more comments…
u/magna

Wow!
u/Xen

impressive first 2 dweets
u/sigveseb

Very nice
u/mrremix

i really like this one... might do a remix later :]
u/CliffJonesJr

I remixed this into a tornado: https://www.dwitter.net/d/4590
u/lionleaf

#twister
u/Cloud

Milk path
u/vain

cool looking twister / tube

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JonasPeeters

function u(t) {

//move mouse on canvas

c.onmousemove=function(e){x.fillStyle=R(t%1*256,t%2*128,t%3*85,0.7);x.fillRect(e.clientX*3.35,e.clientY*3.35,20,20)}

Dec 27 2017 1:49 PM UTC

}// 140/140

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