Hot dweets by u/Pascal

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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Pascal

function u(t) {

c.width|=0;a=n=>6.3*S(n*1.3%1.6)**5+t*4;x.lineWidth=25;x.arc(960,540,70,a(t),a(t+4)+.2);c.style.filter='invert(.7';x.stroke()

Jan 2 2023 12:26 AM UTC

}// 125/140

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#smooth #loading #spinner

u/robbyg

I waited WAY too long for this one to "load".
u/cantelope

😂
u/joeytwiddle

same lol

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Pascal

function u(t) {

for(c.width=i=1e3;i--;x.arc(500,281,250,i/(.2+t/3e4),i))x.lineWidth=.3;x.stroke()

Jun 25 2022 1:16 PM UTC

}// 81/140

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modular arithmatic circle

u/taupelink

nice!
u/jdspugh

Excellent

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Pascal

function u(t) {

for(j=4;j--&&t<8;)for(i=1080;i--;x.fillRect(a=t*60+j*480,i,2,f(a/600-1.6,i/600-.9)**2))f=(X,Y,n=83)=>X<2?f(X*X-Y*Y-.81,2*X*Y-.205,--n):n/83

Dec 18 2021 4:07 PM UTC

}// 139/140

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Julia #fractal for c = -0.81 - 0.205i

u/andrea270872

the "leaves" inside the fractal are just so beautiful!

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Pascal

function u(t) {

for(c.width|=j=2;j--;x.stroke(),x.beginPath())for(i=w=1e3;i--;x.lineTo(500+z*j*16+w*j+w*2*C(a)/z,540+w/2*(S(i*5)+2*S(i*8))/z))z=S(a=i-t)-6

May 21 2021 10:10 PM UTC

}// 138/140

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#stereograph #d3 cross eye 3D object

u/rep_movsd

Beautiful
u/rep_movsd

Beautiful
u/rep_movsd

You can switch clockwise and anticlockwise rotation in your brain if you try hard
u/joeytwiddle

To tilt it downwards, change 540 to 540+99*S(a)

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Pascal

function u(t) {

for(c.width|=j=2;j--;x.stroke())for(w=i=1e3;i--;x.lineTo(420+j*w+w/8*(C(b)+C(i+t/2)+C(a=i/2))+j*z*15,w/2+w/5*(S(i)*C(t)+S(a))))z=S(b=i+t)

May 19 2021 5:56 PM UTC

}// 137/140

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#stereograph #d3 cross eye wavy loop

u/magna

Great!

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Pascal

remix of d/22689 by u/Pascal

function u(t) {

c.width|=w=480;for(j=2;j--;)for(i=k=500;i--;x.fillRect(w+w*3*(C(i+t)*C(a))/Z+w*j*2-Z*12*j,w-3*(S(a))/Z*w,s=k/Z**2/2,s))Z=4+S(i+t)*C(a=i/.9)

May 9 2021 9:12 PM UTC

}// 139/140

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#stereograph #d3 cross eye sphere, make Z negative to flip the 3D effect

u/Polyducks

Wow incredible

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Pascal

remix of d/22362 by u/BackendForth

function u(t) {

c.width|=w=480;for(j=2;j--;)for(i=k=300;i--;x.fillRect(w+w*X/Z+w*j*2+Z*12*j,w-Y/Z*w,s=k/Z**2,s))X=3*C(U=i+t)+C(V=i*i),Y=S(i)+S(V)+1,Z=S(U)-5

May 1 2021 1:43 PM UTC

}// 140/140

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#stereograph #d3 donut, cross your eyes for a 3D effect

Show more comments…
u/erin

so cool
u/BackendForth

Nice!
u/magna

Nice! The z is inverted for me...
u/tomxor

Neat. Magna, are you uncrossing your eyes by any chance? :P (i.e making your eyes further apart)
u/magna

u/tomxor yeah! I've gotten used to relaxing my eyes and looking "afar", from the way SIRDS normally work. I don't I can cross my eyes without looking at something actually close to my eyes. I suspect most people are more comfortable with relaxing their eyes than crossing them...
u/smtsjhr

so fun!
u/joeytwiddle

If you are a person like magna, change: fillRect(w to fillRect(3*w and +w*j to -w*j

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Pascal

function u(t) {

for(i=w=960;i--;x.fillRect(w+w*(S(i+t)+S(a=t+i/3))/2,w+(C(a)+C(a-t)*T(a)-2)/5*w,7,7))x.fillStyle=R(50,0,0,.01),c.style.filter=`contrast(5`

May 1 2021 1:03 PM UTC

}// 138/140

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symmetry

u/magna

Stylish!

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Pascal

remix of d/22670 by u/Xor

function u(t) {

for(i=c.width|=s=15;i--;)d=i**.5*s,x.fillStyle=R(d/2+99*C(t),i/8,99*S(t)),x.fillRect(960+C(a=t-i*3.883222*(1+t/1e3))*d,540+S(a)*d,s,s)

Apr 30 2021 10:15 AM UTC

}// 134/140

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psychedelic sunflower seeds

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Pascal

remix of d/21537 by u/Pascal

function u(t) {

eval(unescape(escape`𩠽𚁘𛁙𛁮🐶𝀩🐾𦐭𦀼𫠿𩠨𥀨𤰨𦀩𛑃𚁙𚐩𛀲𚡘𚡙𚰮𝰬𛐭𫠩𞠨𜠵𜀭𫠪𝀩𚠪𛠶𚠵𒡦𫱲𚁩🐱𜀸𜀻𪐭𛐻𮀮𩡩𫁬𤡥𨱴𚁴𚠱𞀰𛁩𛀳𛀱𚐩𮀮𩡩𫁬𤱴𮑬𩐽𤠨𨐽𩠨𭀯𝐵𛠵𝠭𛠴𜐬𪐯𜑥𝀭𛠲𚐬𨐬𨐩`.replace(/u../g,'')))

Apr 30 2021 11:05 AM UTC

}// 117/140

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Dark Gray Wood #realistic

u/rep_movsd

This is unbelievable

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