Dweets awesomed by u/JairusSW

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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remix of d/28379 by u/1

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪁼👐🐳𜠻𤀭𛐻𚑦𫱲𚁈🐴𞱈𛐭𞰩𩡯𬠨𠐽𜐲𝠻𠐭𛐻𮀮𫁩𫡥𥁯𚀹𝠰𚱃𚀨𠐫𤀩𛰱𜀩𛱚𛀵𝀰𚱃𚀨𠐭𤀩𛰱𜀩𛱔𚁶𚐯𦠩𚑚🐨𜐮𜰴𛱓𚁶🐨𢀫𭀩𚠲𙐷𛠸𝐯𝐩𚱓𚀨𠐫𤀩𛰱𜀩𚠨𜐭𤰨𚁁𛑐𚐯𜐰𚐪𠰨𭠩𚐩𛰲𜀰𒡸𛡳𭁲𫱫𩐨𚐻`.replace(/u../g,'')))

Sep 9 2023 3:47 AM UTC

}// 132/140

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https://en.wikipedia.org/wiki/Hopf_fibration stereographically projected

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JairusSW

function u(t) {

for(x.fillRect(0,0,g=i=2500,2e4);i--;x.clearRect(960+l*S(-i/3e2+t)*g/Z,540+C(p)*i/Z*g,s=5e8/Z/Z,s))l=S(p=i+t)*i,Z=g*5+l*C(t)

Sep 7 2023 12:31 AM UTC

}// 124/140

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Whirlpool to forever

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rodrigo.siqueira

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))x.fillRect(a*4e3-450,b*320,.2,t<3)

Sep 3 2023 2:03 PM UTC

}// 119/140

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Frozen pine leaves #fractal #plant

u/Joachim

Wow!! You should make more like this.
u/rodrigo.siqueira

I've just found where I saw a similar technique, it's a remix of: d/17222 by u/tomxor , and my comment there was "Please create more like this."
u/Joachim

u/rodrigo.siqueira LOL what were the chances!? Well, I guess that’s proof that people like them!

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KilledByAPixel

remix of d/28307 by u/KilledByAPixel

function u(t) {

for(j=5e3;r=j--/(j%(t/500+3)*3);x.fillRect(j,0,.1,2e3))x.clearRect(C(j)*r+960,S(j)*r+540,r/=50,r)

Aug 19 2023 2:57 PM UTC

}// 97/140

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Into The Singularity 🌀

u/Joachim

You never see it coming ;)
u/neimad

It's amazing the things that can be achieved with fillRect

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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) {

for(c.width=X=128;X--;)for(Y=0;Y++<72;){for(d=-10;d-->-99&!((h=2048+(d*(X-64)*4+4e3*t&d*(Y-30)*4+2e4)>>8&d)&8););x.fillRect(X,Y,1+h/d/2,1)}

Aug 13 2023 9:42 AM UTC

}// 139/140

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the halls #3d #raycasting

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rodrigo.siqueira

remix of d/28273 by u/rodrigo.siqueira

function u(t) {

f=n=>3*(n+~n+.5)**2
for(c.width%=X=2e3;X--;)for(Y=9,k=2;k<10;k++,Y-=f(-f(1.7**k*X/2e3/k+t/3))/1.3**k)x.fillRect(X,Y*99+X*S(t)/4,C(k)/2,3e3)

Aug 11 2023 11:05 PM UTC

}// 139/140

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Sailing in rough sea (for those who do not suffer from seasickness) #sea #water

u/cantelope

awesome progression and artistic purposing of this function :)
u/joeytwiddle

What's going on here? How can you use bitwise not (~) on a floating point number?
u/joeytwiddle

Oh, it looks like ~ makes the number negative, and then rounds it down
u/joeytwiddle

So with n+~n+.5 you get a sawtooth in the range -.5 to +.5, based on the fractional part of n

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sj_

remix of d/6465 by u/sj_

function u(t) {

for(j=0;j<5;j++){r=t*10-j*10;for(i=0;i<300;i++){m=i*10;x.fillRect(500+300*S(j)+T(r)*C(m),200+180*j-T(r)*S(m)*S(t),5,5)}}

Jan 25 2018 8:47 AM UTC

}// 120/140

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Gah, wanted this in color (see d/6465) but couldn't get it below 140 D:

u/sj_

Planets 2

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