Top dweets of all time

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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katkip

remix of d/12903 by u/jviide

function u(t) {

t||(z=b=a=0)
for(i=2e3;i--;)
b+=S(4*i+a),a+=S(a*b+z/9999),x.fillRect(960+900*a,990+300*b,.1,.1),z+=.001

Mar 28 2019 8:21 AM UTC

}// 103/140

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#attractor tree #waitforit

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katkip

function u(t) {

eval(unescape(escape`爽䵡瑨⹲慮摯活楦⠡琩筤㵛崻景爨椽ㄹ㈻椭ⴻ⥤⹰畳栨爨⤩紻景爨椽ㄹ㈻椭ⴻ⥸⹦楬汓瑹汥㵒⡤孩崪㈵㔬〬〩ⱸ⹦楬汒散琨椪㄰ⰰⰱ〬㄰⤻砮摲慷䥭慧攨挬〬㄰⤻景爨椽㐹㭩ⴭ㬩摛爨⤪ㄹ㉼そ㵤孲⠩⨱㤲簰崻`.replace(/u(..)/g,"$1%")))

Mar 24 2019 7:14 PM UTC

}// 139/140

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Black Vs Red

u/katkip

After some time it will remain the most dominant color
u/DataMeta

Reminds me of Doom

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rodrigo.siqueira

remix of d/12877 by u/katkip

function u(t) {

t||(K=X=Y=0);for(i=4e3;i--;)x.fillStyle=`hsl(${X/3},45%,50%,40%)`,x.fillRect(960+S(Y+=S(X/(K/93+99))*5)*(X+=C(Y*7)*9),540+C(Y)*X,3,3),K++

Mar 24 2019 4:13 PM UTC

}// 137/140

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Sensors

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katkip

function u(t) {

c.width^=X=Y=0;c.style.background='#aaf';for(i=99*t|0;i--;)x.fillRect(-1e3*t+X*9,640+Y*9,19,999),X+=2,Y+=C(X*Y/9),x.fillStyle=R(0,100-Y*5);

Mar 23 2019 11:43 AM UTC

}// 139/140

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Terrain #generator

u/tomxor

This reminds me a bit of the original dirtbike game.

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DataMeta

function u(t) {

c.style.background=R()
with(x)for(w=i=256;i--;beginPath(fill()))fillStyle=R(i,k=C(i)*i*.6,-k,.3),arc(960+w*S(t+.993*i^0),540+w*S(t+i),4,0,7)

Mar 21 2019 6:22 PM UTC

}// 140/140

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warm colors

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pavel

remix of d/12841 by u/andrea270872

function u(t) {

for(k=c.width|=0,x.scale(s=9+C(t),s);k--;)x.fillText([...'🏡🏠⛲🌊🌳🌳🌲 '][k**2.9&7],(k%40-9+9*C(t/2))*9,(k/40-9+9*S(t/3))*9)

Mar 20 2019 7:36 PM UTC

}// 119/140

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Sim city

u/katkip

looks like a tsunami flood city to mo lmao

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robotman_

function u(t) {

c.width^=0
for(i=0;i<15;i++)x.fillStyle=`hsl(${i*23},99%,50%`,x.fillRect(960+C(a=t/3*(16-i))*(r=(i+1)*32),540+S(a)*r,15,15)

Mar 20 2019 3:30 PM UTC

}// 123/140

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Rainbow Spiral

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Xen

remix of d/12782 by u/andrea270872

function u(t) {

for(x.fillRect(0,0,2e3,K=k=1e3);k--;z>0&&x.clearRect(K+(k*97/60%11-5)*K/(99-z),500+(k*89/60%13-6)*K/(99-z),8,8))z=(60*t-k)%99

Mar 16 2019 3:35 PM UTC

}// 125/140

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Slight tweak

u/katkip

Looks like something #space #starfield
u/ximavus

Here's it with globalAlpha to .1: for(x.fillRect(x.globalAlpha=.1,0,2e3,K=k=1e3);k--;z>0&&x.clearRect(K+(k*97/60%11-5)*K/(99-z),500+(k*89/60%13-6)*K/(99-z),8,8))z=(60*t-k)%99

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katkip

function u(t) {

x.fillRect(0,0,2e3,2e3);for(i=0;i<799;i++)q=999+S(i+t)*9,
x.clearRect(960+S(i*S(i+t/q)+t/q)*i*C(i/9+t),540+C(i*S(i+t/q)+t/q)*i*C(i/9+t),9,9)

Mar 6 2019 4:48 PM UTC

}// 140/140

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999 is my favorite number

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aoneill01

function u(t) {

c.width=192;P=Math.pow;π=3.14;for(φ=0;φ<2*π;φ+=.01)z=f=>P(Math.abs(f(3*φ)/f(t)),f(t)),r=9*(z(C)+z(S)),x.lineTo(96+r*C(φ),54-r*S(φ));x.fill()

Mar 6 2019 1:25 PM UTC

}// 140/140

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u/rodrigo.siqueira

Welcome Aoneill. Nice first Dweet! Here is a small change in your code to produce a higher resolution, just 127 bytes: c.width|=π=3.14;for(φ=0;φ<2*π;φ+=.01)z=f=>Math.abs(f(3*φ)/f(t))**f(t),r=99*(z(C)+z(S)),x.lineTo(962+r*C(φ),514-r*S(φ));x.fill()
u/katkip

weird flower
u/DataMeta

Rather neat
u/aoneill01

Thanks Rodrigo! I was struggling to get it to 140. Didn't realize there was a ** operator in Javascript.