Dweets awesomed by u/joeytwiddle

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: #Opposites

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rodrigo.siqueira

remix of d/31941 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`sepia(.6)invert(`
t?x.drawImage(c,~x.fillText(88,~x.scale(s=1-C(1/++t)/25,s),0),~x.rotate(3*7.01)):x.translate(980,540)

Jun 1 2024 8:17 PM UTC

}// 136/140

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Triple #spiral #galaxy

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aaaaaz

remix of d/31943 by u/aaaaaz

function u(t) {

O=160
a=x=>(x*x)**.6;f=u=>a(a(u%8-4)-3);g=n=>f(X/n)+f(Y/(n^1))&~(2+t*8e4);for(i=1e4;i--;x.fillRect(O+6*X,60+6*Y,g(5),g(4)))X=i*i*t%O,Y=X*i%O

May 31 2024 8:41 PM UTC

}// 140/140

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u/joeytwiddle

Nice #pattern

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rodrigo.siqueira

remix of d/31859 by u/anilalur

function u(t) {

c.style.filter=`sepia(.6)invert(`
t?x.drawImage(c,~x.fillText(88,~x.scale(s=1-C(1/++t)/25,s),0),~x.rotate(3)):x.translate(980,540)

May 30 2024 10:27 PM UTC

}// 130/140

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Double spiral galaxy #spiral #galaxy

Show more comments…
u/metamero

lindo!!
u/aaaaaz

why tild before x ? ~x ?
u/tomxor

all of the x.method() calls return undefined, and bitwise operators coerce any non-number into 0, so ~x.foo() = ~undefined = ~0 = -1. The purpose of this - all of those method calls are defined as parameters to other methods, not for their return value, but to save 1 char. i.e x.foo(0,0);x.bar()=18 x.foo(0,~x.bar())=17, that the parameter is -1 instead of 0 doesn't matter too much in these cases.
u/cantelope

u/rodrigo.siqueira https://i.ibb.co/kGZrsF5/ezgif-3-2716f9f1aa.…
u/rodrigo.siqueira

Wow u/cantelope, how was this made?
u/lewdev

u/tomxor that's awesome. Thanks for explaining that!

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lewdev

function u(t) {

document.body.innerHTML=`<h1>This is dweet ID: ${location.href.match(/\d+/)}`

May 25 2024 2:42 AM UTC

}// 77/140

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This is dweet ID

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mhi

remix of d/18437 by u/BrutPitt

function u(t) {

c.width+=X=Y=Z=d=.19
for(i=9e3;i--;)X+=d*(-d*X+S(Y)),Y+=d*(-d*Y+S(Z)),Z+=d*(-d*Z+S(X)),
x.lineTo(960+99*(X/C(t)&Y*S(t)),560-99*Z)
x.stroke()

May 24 2024 5:29 PM UTC

}// 140/140

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u/thenize

hip hip!
u/warbino

array!
u/warbino

c.width+=X=Y=Z=d=.19 for(i=9e3;i--;)X+=d*(-d*X+S(Y)),Y+=d*(-d*Y+S(Z)),Z+=d*(-d*Z+S(X)), x.lineTo(960+99*(X/C(t)&Y*S(t)),560-99*Z) x.stroke()
u/warbino

awesome!

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thenize

function u(t) {

with(x)for(p=i=t>0.2?0:translate(960,540)|4e3,Y=0;i--;rotate(14.7/p),fillRect(0,50-Y,1,-Y))fillStyle=R(Y=Y+(Math.random()*2-1)*9)

May 24 2024 5:15 PM UTC

}// 129/140

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u/warbino

awesome!
u/mhi

try harder next time

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DazeWare

remix of d/28826 by u/tomxor

function u(t) {

for(w=c.width&=i=10368;i;T=(2*X&9*t+T)%7<3&Y*Y<t?R-T?T+.1:R+=.1:R!=T?R&=x.fillRect(--i%w,i>>7,(X+Y+9)/9,1):T+.2)X=i%w/64*R-T,Y=i/4e3*R-T

May 23 2024 5:21 AM UTC

}// 136/140

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u/lewdev

#ominous

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DazeWare

remix of d/29288 by u/KilledByAPixel

function u(t) {

x.fillRect(a=z=Y=0,x.globalAlpha=.4,2e3,2e3)
for(X=460,w=1e3;w>0;w-=.1)x.clearRect(X-=S(a+=++z>w?t+C(t*w/999,z=0)/9:0),Y+=C(a),q=w/99,q)

May 23 2024 4:52 AM UTC

}// 136/140

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DazeWare

remix of d/31839 by u/DazeWare

function u(t) {

c.width=1920
for(i=0;i<1080;i++){
c.style.filter="blur(1.5vh)contrast(5)"
x.fillRect(i*2,1920*T(i*S(t*.0005+i))*S(t),55,59)}

May 21 2024 11:21 PM UTC

}// 125/140

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u/cantelope

#metagoop

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KilledByAPixel

remix of d/31827 by u/KilledByAPixel

function u(t) {

for(s=k=46;k--;s/=.98)for(i=32;i--;)for(j=18;j--;32-k<(i+t^j)**3%40&&x.fillRect(960+(i-16-t%1)*s,540+(j-9)*s,s,s))x.fillStyle=R(v=k*9,v,v)

May 21 2024 12:41 AM UTC

}// 138/140

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Shadow Boxing 🥊

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