Dweets awesomed by u/pavel

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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taupelink

remix of d/24334 by u/taupelink

function u(t) {

for(m=t?0:4e4;X=1+S(m),Y=3*S(m*m--);x.fillRect(1e3*X,180*(3+Y),q,i))i=m%256,x.fillStyle=R(q=i*(1-C(m%Y)),q^=m/i,q*=S(X)-Y,(2+S(X*X-Y*Y))/20)

Nov 14 2021 12:20 AM UTC

}// 140/140

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d/24336

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taupelink

remix of d/24323 by u/taupelink

function u(t) {

for(m=t?0:1e4;X=1+S(m),Y=3*S(m*m--);x.fillRect(1e3*X,240*(3-Y),i/(2+Y*2),-q%i*2))i=m%256,x.fillStyle=R(q=i*(1-C(Y)),q*=3+S(Y),q*=m/i,.1/Y/Y)

Nov 13 2021 10:55 PM UTC

}// 140/140

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d/24334

u/tomxor

Coper Sulphate Crystal City

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cantelope

function u(t) {

for(x.fillRect(0,0,w=2e3,w),h=i=540;i--;)x.clearRect(960+(S(p=i/35+S(t/2)*60)*S(q=(i/57|0)*h))/(Z=C(p)*S(q)+2+S(t))*h,h+C(q)/Z*h,s=20/Z,s)

Nov 12 2021 8:04 PM UTC

}// 138/140

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#spherechallenge

u/taupelink

nice!
u/sigveseb

awesome indeed!
u/vain

very cool and smooth

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taupelink

remix of d/24306 by u/taupelink

function u(t) {

for(m=t?0:1e4;X=1+S(m),Y=4*S(m*m--);x.fillRect(1e3*X,135*(4+Y),2*i*Y,q))i=m%256,x.fillStyle=R(q=m/9&i*C(X**3*.8),q^=i,q*=X*X%Y-1+Y*2,.1/Y/Y)

Nov 11 2021 2:05 AM UTC

}// 140/140

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d/24323

u/magna

I Minecraft with cows roaming on a beach
u/Joachim

nice one!
u/tomxor

I also see some minecraft chickens on the left
u/Xen

love it!

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TGY

remix of d/24310 by u/Joachim

function u(t) {

for(i=c.width=300;i--;x.fillRect(145+S(t+i)*9,a=126-t*9%i*9,a/9,a/9))x.fillStyle=R(i*50,i*20)
x.fillRect(0,130,300,99)

Nov 9 2021 12:38 PM UTC

}// 118/140

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#fire

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donbright

function u(t) {

w=(c.width=999)/2
for(i=-t;i<t;i+=.1)for(j=-t;j<t;j+=.1){
B=1+i*i+j*j
X=S(t)*i/B
Y=j/B
Z=(B-2)/B/2
x.fillRect(w+(X+Y+Z)*w,w+(Y-Z-X)*w,2,2)}

Nov 8 2021 6:45 AM UTC

}// 139/140

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stereographic projection of the plane (in this case, a 0.1 grid to infinity) onto the sphere. aka Moebius Transformation. see also https://hyrodium.tumblr.com/post/13708635481… and https://en.wikipedia.org/wiki/Stereographic_…

u/donbright

#math #stereographic

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taupelink

remix of d/24295 by u/taupelink

function u(t) {

for(m=t?0:7e4;X=1+S(m),Y=3*S(m*m--);x.fillRect(1e3*X,180*(3+Y),i*S(Y),q))x.fillStyle=R(i=m%256,q=i*(3-2/Y*S(X))/3,q/=1+C(Y)/2,(m>>8)/256)

Nov 6 2021 10:20 PM UTC

}// 137/140

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d/24306

u/taupelink

Much credit to u/pavel for the comment he left on d/23578, with sample code to illustrate a way of making these collages in a single loop execution.
u/magna

This is awesome!
u/neimad

thank god, the old way was getting kind of annoying.
u/Xen

love it!

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lerc

remix of d/23842 by u/sandromiccoli

function u(t) {

r=Math.random
for(i=899;i--;)R=r()*300,A=r()-t*3+R/94,x.fillRect(960+R*S(A),540+R*C(A),3,3),x.clearRect(960+R*S(A-=3),540+R*C(A),4,4)

Nov 4 2021 8:31 AM UTC

}// 133/140

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u/magna

Very cool!
u/Xen

nice!

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magna

remix of d/24280 by u/magna

function u(t) {

c.width=f=255,k=40*(t+8)
for(i=f;i--;)for(j=f;j--;x.fillRect(i,j,1,(X*X+Y*Y)**S(t)**2-.2+S(k*X)*S(k*Y)*S(k/20/f)+(i&j)&1))X=i/f-.5,Y=j/f-.3

Nov 2 2021 6:46 PM UTC

}// 139/140

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Magic!

Show more comments…
u/magna

Keeps evolving #waitforit
u/cantelope

dafuq
u/magna

It all started with d/24264 courtesy of u/Jabo
u/taupelink

wow
u/Joachim

#sierpinski
u/Xen

love it!
u/donbright

beautiful
u/andrea270872

terrific stuff... I will have to study every character of your code!!
u/Jabo

Hero
u/joeytwiddle

magic ❤️

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magna

remix of d/24275 by u/magna

function u(t) {

c.width=f=99
c.style.filter='sepia('
for(a=f*f;a--;x.fillRect(i=a%f,j=a/f|0,.7,Math.hypot(X=i/f-.5,Y=j/f-.3)-.2+S(k*X)*S(k*Y)*S(t)))k=f*t

Nov 2 2021 4:30 AM UTC

}// 137/140

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