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.

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Current theme challenge: #Food

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ArthurThuczsec

function u(t) {

t?A.unshift(frame%34?"╱╲"[0|Math.random()*2]:"<br>"):A=[]
document.body.innerHTML=A

Aug 22 2021 10:00 AM UTC

}// 83/140

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#10PRINT

u/ArthurThuczsec

t?A.unshift(frame%34?"╱╲"[0|t*t*9%2]:-1):A=[];document.body.innerHTML=A on firefox

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tactical_retard

remix of d/23440 by u/TGY

function u(t) {

t||(c.width=innerWidth)
l=40
w=l*2.5
h=w
a=50
d=2
onclick=e=>{for(i=l;i--;)x.fillStyle=R(a+(255-(i/l*255))/d),x.fillRect(e.x-i,e.y-i,w,h)}

Aug 20 2021 8:22 PM UTC

}// 138/140

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tactical_retard

remix of d/23602 by u/tactical_retard

function u(t) {

s=100
for(i=s*s;i--;x.fillRect(X,Y,1,1)){
X=0|i/s
Y=i%s
k=4e-10
b=(X/k*Y)*1/s*255+t/k
x.fillStyle=R(b,b,b)
}

Aug 19 2021 11:30 PM UTC

}// 108/140

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spirals. zoom in, i couldn't fit in a transform

u/tactical_retard

x.setTransform(c.width/s,0,0,c.height/s,0,0)
u/jellyedwards

c.width=200 does a similar job, good work!
u/KilledByAPixel

you could also do x.fillRect(X*9,Y*9,9,9)

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tactical_retard

function u(t) {

c.width|=0
r=a=>Math.random()*a
for(i=0;i<5;i++)s=r(500),x.globalAlpha=r(1),x.font=s+"pt a",x.fillText("🤡",c.width/2-s/1.2,c.height/2+s/2)

Aug 18 2021 11:45 PM UTC

}// 138/140

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🤡

u/tactical_retard

test
u/tactical_retard

can replace r=a=>Math.random()*a with r=_=>Math.random(), s=r(500) with s=r()*500, and x.globalAlpha=r(1) with x.globalAlpha=r()
u/tactical_retard

131 c.width|=0 r=Math.random for(i=0;i<5;i++)s=r()*500,x.globalAlpha=r(),x.font=s+"pt a",x.fillText("🤡",c.width/2-s/1.2,c.height/2+s/2)

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tactical_retard

function u(t) {

c.width|=0
w=250
h=250
for(i=0;i<900;i++){
a=S(i+(t/i));b=C(t-i)
x.fillRect((c.width/2)+a*w,(c.height/2)+b*h,10,10)
}

Aug 18 2021 10:08 PM UTC

}// 117/140

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ring

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FloppyDiskO

function u(t) {

c.width=1920;v=Math.random()*255%255;x.fillStyle=R(v,v,v,v/100);for(i=0;i<99;i++)x.fillRect(Math.random()*2000,Math.random()*i/v*v*33,2,i);

Aug 18 2021 9:42 PM UTC

}// 139/140

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Rain

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mxfh

remix of d/23558 by u/mxfh

function u(t) {

I=new ImageData(w=2048,w)
b=new Float32Array(I.data.buffer)
for(i=3e6;i--;X=i%w-960,b[i]=X*X+Y*Y*(t+w/Y)|-Y)Y=i/w-700
x.putImageData(I,0,0)

Aug 17 2021 12:34 PM UTC

}// 139/140

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Sunset over Float sea

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taupelink

remix of d/23515 by u/taupelink

function u(t) {

for(i=q=1e3;--i;x.fillRect(i*X**.5,810+q/Y,-q*q/2**t,i*i/3**t))f=i*t,X=f*f%20,Y=X*f%4,x.fillStyle=R(q*=C(q%i),q+=S(q)*i/t,q%=C(X)*i,Y/q**.6)

Aug 10 2021 1:50 PM UTC

}// 140/140

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d/23529

u/taupelink

On iOS, the previous one had a yellow rectangle on the left that didn't show up when I checked on Windows. This one has a bigger yellow rectangle that may or may not show up on Windows....

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taupelink

remix of d/23494 by u/taupelink

function u(t) {

for(i=q=50;--i;x.fillRect(64*X,64*Y,i**3/5**t,q*q/5**t))f=i*t,X=f*f%30,Y=X*f%17,x.fillStyle=R(q=7*S(q*Y)*i,q+=S(Y*q/i+X/q)*i,q^=t*i,t/q**.7)

Aug 7 2021 6:13 PM UTC

}// 140/140

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d/23504

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bipgen

function u(t) {

c.width=750
for(i=1;i<75;i++)
x.ellipse(25+t*i, 200+S((t*i))*100, 10+S(t)*10, 10+C(t)*10, 22/7*4*S(t), 0, 2 * 22/7*C(t)) ||
 x.stroke()

Aug 7 2021 5:22 PM UTC

}// 135/140

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first dweet!