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/28392 by u/rodrigo.siqueira

function u(t) {

c.style='filter:invert('
for(a=b=0,i=4e4;i--;a+=.4*(r-a+b*S(a*2)),b+=C(a*3)/3-a*b/3)i%6&&(r=i*t/b&1,x.fillRect(a*870-300,b*1400+330,.2,t<2))

Sep 6 2023 12:16 PM UTC

}// 140/140

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Approaching the Moon #moon

u/UEZ

nice
u/cantelope

or earf https://i.imgur.com/BbwAdBx.jpeg
u/Elpapsi

😮 how?
u/magna

You're a lunatic!
u/jdspugh

Amazing

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magna

remix of d/28388 by u/1

function u(t) {

c.width|=0
for(i=512;i--;x.fillRect(960+(X*C(t)-z*S(t))*1500/Z,10+1500*(Y+2)/Z,s=199/Z,s))Y=i>>3&7,z=(i>>6)-4,X=(i&7)-4,Z=z*C(t)+X*S(t)+20

Sep 4 2023 8:25 PM UTC

}// 138/140

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u/1

I'd say s=5e3/Z/Z looks a bit better
u/magna

True!

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deobfuscate

function u(t) {

c.width=50
x.beginPath()
x.arc(28,17-Math.abs(S(t)*10),2,0,8)
x.fill()
for(i=9;i--;)x.fillRect(o=((t*6.28+i*10)%50)-10,o,10,10)

Sep 4 2023 4:20 PM UTC

}// 127/140

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BOUNCE

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function u(t) {

c.width|=0
for(i=512;i--;x.fillRect(960+(X*C(t)-z*S(t))*1500/Z,10+1500*(Y+2)/Z,20,20))Y=(i>>3&7),z=(i>>6&7)-4,X=(i&7)-4,Z=z*C(t)+X*S(t)+20

Sep 4 2023 12:21 AM UTC

}// 138/140

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u/magna

Just golfed a bit and modulated the dot sizes by Z: d/28393

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rodrigo.siqueira

remix of d/28384 by u/rodrigo.siqueira

function u(t) {

c.style='filter:invert('
for(a=b=0,i=1e4;i--;a+=(i*t/b&1)/7-a*a+b*S(a/40)*5,b+=C(a*5))x.fillRect(a*5e3-1e3,1500-b*500,.2,t<7)

Sep 3 2023 10:17 PM UTC

}// 125/140

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Organic crystals

u/384.cz

Amazing how it it so texturish
u/joeytwiddle

very nice

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rodrigo.siqueira

remix of d/17222 by u/tomxor

function u(t) {

c.style='filter:invert('
for(a=b=0,i=1e4;i--;a+=(i*t/b&1)/9-a*a+b*S(a/9),b+=C(a*4.6)*2.5)x.fillRect(a*4e3-500,b*200+66,.2,t<3)

Sep 3 2023 10:04 PM UTC

}// 126/140

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Overlapped fractal structure

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rodrigo.siqueira

remix of d/28336 by u/rodrigo.siqueira

function u(t) {

for(W=j=4e3;r=j--/(9-++W%9);x.fillRect(j,0,.3,2e3))x.clearRect(S(j)*r+900,950-j%2*(T(t/19+j*j))*r,2*(r>>=8),-r*4)
x.clearRect(0,950,2e3,2e3)

Aug 24 2023 12:06 PM UTC

}// 140/140

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City of rising bubbles

u/PokePika__10339__

That's super cool!
u/magna

Rapture of the rectangles

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KilledByAPixel

remix of d/28307 by u/KilledByAPixel

function u(t) {

for(k=0;k<1e4;x.fillRect(960-C(j=k>>3)/(r=(k?(k/99+t)%4:1)/1e3),540-C(j*j)/r,r=k++?.005/r:1e4,r))x.fillStyle=`hsl(${k%8*35} 99%${k&&50}%`

Aug 18 2023 2:13 PM UTC

}// 137/140

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Chromatic Starfield 🌈⭐

Show more comments…
u/aleamb

yeeeeaaaahhh
u/Joachim

PERFECT
u/cantelope

niiiiice
u/tomxor

Where are the blue credits!? Immediate TNG flashback
u/magna

Aberrant!
u/KilledByAPixel

true i was inspired by star trek for this one!

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rodrigo.siqueira

remix of d/28286 by u/UEZ

function u(t) {

for(c.width=X=256;X--;)for(Y=0;Y++<143;x.fillRect(X,Y,h/d/7,1))for(d=-9;d--,!((h=d+2**16+(d*(80*C(t)-X)+4e3*t&d*(Y-S(t)*d)+2e4)>>9&d)&8););

Aug 13 2023 6:54 PM UTC

}// 139/140

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#Sierpinski #City

u/Xen

love it!

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AArt1256

function u(t) {

x.fillRect(0,0,2e3,2e3);for(i=0;i<4096;x.clearRect(960+S((I=++i+t/2e4)*I)*C(i)*(i%7?i*12:400),540+C(I*I)*400*(i%7?2:1),8-C(I)*8,8-C(I)*8));

Aug 12 2023 8:06 AM UTC

}// 139/140

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the moon 🌕 my first dweet!

u/AArt1256

#space #moon
u/UEZ

Nice! Looks like the space junk / satellites flying around the earth.
u/Xen

welcome to the dwitter family!

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