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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Current theme challenge: #Opposites

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Pascal

remix of d/21666 by u/katkip

function u(t) {

c.style.filter=`blur(2vw)contrast(99`
for(c.width|=i=244;i--;x.fill(x.arc((X=i%18)*120,(i-X)*8,z=99+99*S(t/6+i/2),4+z/9,z/9)))x.beginPath()

Feb 13 2021 4:30 PM UTC

}// 139/140

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ferrofluid

u/DaSpider

Psychedelic cows!

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Pascal

remix of d/21637 by u/erin

function u(t) {

c.width|=0,w=960
for(i=w*2;i--;x.fillRect(w+w*X/Z,w-Y/Z*w,s=(8/Z)**5,s))
X=3*C(U=i+t)+C(V=t+i/2),Y=C(U)*S((i*3)+t)+C(V)*T(V)-2,Z=S(U)-5

Feb 11 2021 7:39 PM UTC

}// 135/140

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wavy lines

u/Xen

smooth

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Pascal

function u(t) {

eval(unescape(escape`⡦ꑯ⡲ꐨ⡣ꐮ⡷ꑩ⡤ꑴ⡨ꑼ⠽ꑩ⠽ꐰ⠻ꑩ⠫ꐫ⠼ꐹ⠻ꐩ⡸ꐮ⡦ꑩ⡬ꑬ⡒ꑥ⡣ꑴ⠨ꐴ⠰ꐰ⠫ꑩ⠪ꐹ⠹ꐫ⡓ꐨ⡴ꐩ⠪ꐳ⠰ꐰ⠬ꐴ⠰ꐰ⠬ꐵ⠰ꐬ⠲ꐰ⠰ꐩ`.replace(/u../g,'')))

Feb 12 2021 10:22 PM UTC

}// 107/140

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cool obfuscation characters

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Pascal

remix of d/21645 by u/Pascal

function u(t) {

eval(unescape(escape`𘑴🱸𛡦𪑬𫁒𩑣𭀨𜀬𜀬𜡥𜰬𜡥𜰩𞡷🐹𝠰𒡦𫱲𚁩👷𚠲𞱩𛐭𞱸𛡦𪑬𫁒𩑣𭀨𭰫𭰪𚀳𚡓𚁕👩𚱴𚐫𤰨𥠽𭀫𪐯𜠩𚐯𝐬𭰫𚁃𚁕𚱴𚐪𠰨𪐪𜰫𭀩𚱃𚁖𚐪𥀨𥠩𛐲𚐯𝐪𭰬𝐬𝐩𚑸𛡦𪑬𫁓𭁹𫁥👒𚁷𚡃𚁩𚐬𭰪𠰨𪐫𜠮𜐩𛁷𚡃𚁩𚰴𛠲𚐬𜀮𜠩`.replace(/u../g,'')))

Feb 12 2021 10:20 AM UTC

}// 131/140

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abstract colorful waves

u/Xen

screensaver vibes

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Pascal

function u(t) {

for(c.width|=0,i=144;i--;x.fill(x.arc((X=i%16)*120+60,(i-X)*7.5+60,(.5+S(t)/2)*(8*C(i*i+t*2)+S(i*i/5+t))**2,a=2*S(i+t),2+a)))x.beginPath()

Feb 12 2021 7:57 PM UTC

}// 138/140

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Pascal

remix of d/21656 by u/Pascal

function u(t) {

w=960;for(i=w;i--;x.fillRect(w+w*(S(i+t)+S(a=t+i/2))/2,w+(C(i+2*t)*C(i*3+t)+C(a+t)*T(a+t/2)-2)/5*w,4,4))x.fillStyle=R(0,99,99,.02)

Feb 12 2021 5:07 PM UTC

}// 130/140

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u/Xen

love it!

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Pascal

remix of d/21645 by u/Pascal

function u(t) {

x.fillRect(0,0,2e3,2e3)
for(i=w=960;i--;x.clearRect(w+w*(3*C(U)+C(V=i/1.752-t))/Z,w-(S(U)+C(V)*T(V)-2.5)/Z*w,s=(8/Z)**5,s))Z=S(U=i+1.1*t)-5

Feb 11 2021 8:25 PM UTC

}// 139/140

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O R B I T

u/Qwitter

nice one

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Pascal

function u(t) {

c.width=w=96
for(i=5184;i--;x.fillRect(X,Y,1,((a=X/16-3)*(b=Y/16-1.7))**2<T(t+a*b)))X=i%w,Y=(i-X)/w

Feb 11 2021 1:54 PM UTC

}// 99/140

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Pascal

function u(t) {

r=Math.random,x.globalCompositeOperation="lighter",x.drawImage(document.querySelectorAll("canvas")[Math.floor(r()*4)],r()*2e3,r()*2e3)

Feb 8 2021 3:54 PM UTC

}// 134/140

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chaos

u/Xen

love it!

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Pascal

function u(t) {

f=(X,Y,n=100)=>Math.abs(X+Y)<3&&n>0?f(X*X-Y*Y-1.41,2*X*Y,--n):n/100
for(i=1080;i--;)x.fillRect(X=t*120,1080-i,2,(1-f(X/9e3+.1,i/9e3)**2)**2)

Feb 5 2021 2:42 PM UTC

}// 140/140

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trees

u/jellyedwards

Very nice! -5 chars (X+Y)**2<9
u/joeytwiddle

(X+Y)**2*n? seems to work, although I don't understand it

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