Dweets awesomed by u/mrfoogles

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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KilledByAPixel

function u(t) {

T([0,0,c.width|=T=(A,i=0,z,p=S(t++)/3+.5)=>i++>12?x.strokeRect(...A):T(A=[...A],i,z=A[2+i%2]*=p,T(A,i),A[i%=2]+=z,A[2+i]=z/p-z),1080])

Jul 31 2021 4:17 AM UTC

}// 134/140

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Subdivision Waves

u/taupelink

whoaoooa
u/KilledByAPixel

inspired by https://twitter.com/RavenKwok/status/1318938…
u/KilledByAPixel

also d/20360
u/lonce

Just too cool!

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mrfoogles

remix of d/16770 by u/Blacklink

function u(t) {

r=10
m=2*Math.floor(t/7)+1
c.width|=0
for(var s=0;s<t%7;s+=0.001){x.fillRect(1000+1000*S(s+t)*C(m*s)*C(s),500+1000*C(s)*S(m*s)*S(s),r,r)}

May 18 2021 7:46 PM UTC

}// 137/140

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BackendForth

remix of d/22806 by u/BackendForth

function u(t) {

v=Math.random
i=v()*2e3,j=v()*999,x.fillStyle=R(v()*256)
for(k=399;k--;)x.fillRect(i,j,3,3),i+=S(a=(j-540)/50)+(b=(i-960)/450),j+=S(b*9)+a/9

May 18 2021 1:34 PM UTC

}// 140/140

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Locks of hair? Lava flows? Twizzlers?

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BackendForth

remix of d/22804 by u/BackendForth

function u(t) {

v=Math.random
i=v()*1920,j=v()*1080,x.fillStyle=R(0,v()*256)
for(k=299;k--;){x.fillRect(i,j,3,3)
i+=S((j-540)/50)
j+=S((i-960)/50)}

May 18 2021 1:47 AM UTC

}// 131/140

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Plant cells?

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taupelink

remix of d/22713 by u/taupelink

function u(t) {

for(i=g=270;--i;x.fillRect(g*X,g*Y,e/(d=4**t),-i/d))f=g*i*t,e=(f*f%2)**8,X=e*e%7,Y=X*f%4,x.fillStyle=R(e,e^=e+C(e/g)*i,e*=5%C(Y/7)*Y,i/Y**5)

May 6 2021 4:34 PM UTC

}// 140/140

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d/22723

Show more comments…
u/tomxor

Is everyone percieving the same thing? it's both abstract and specific for me.
u/taupelink

for what it's worth, i was going for "reeds at the water's edge." not when i began, mind you...just at some point while i was experimenting, it started looking a little like that, and i coaxed it further in that direction :)
u/taupelink

(not perfect, obvs...the water is kinda churning at its edge, and the green isn't especially natural-looking. ¯\_(ツ)_/¯ )
u/C010011012

so good
u/tomxor

Yup, "reeds at the water's edge." is what I see too, I like how it seems to remain very abstract at the same time as being detailed and specific.
u/tomxor

I suspect #abstract-impressionism might be the correct definition? I'm insufficiently educated in art to be sure.
u/tomxor

hashtag fail, #abstractimpressionism
u/tomxor

Similarly: d/22568

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mrfoogles

remix of d/22673 by u/lerc

function u(t) {

for(c.width=i=h=960;i-->0;){
n=C(i+t);q=S(i/152)
n>0?0:x.fillRect((i*h/2-i*i)**.5*S(i+t*S(t))+h/2,i,n*n*9*q,9*(q**.3))
}

May 3 2021 5:03 PM UTC

}// 120/140

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mrfoogles

function u(t) {

c.width=w=1920
for(i=21;i--;){x.fillRect(X=i*100,Y=S(t*100+i)*(n=T(t)+(X-w)/1000)*10+400,100,200)
x.fillStyle=R(n*255,0,0)}

May 3 2021 4:59 PM UTC

}// 123/140

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Wire

u/mrfoogles

dwitter.net/d/22703
u/mrfoogles

Sine wave multiplied by (T(t)+(X-w))

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taupelink

remix of d/22467 by u/taupelink

function u(t) {

for(i=h=k=210;i--;x.fillRect(k*X,k*Y,-i*p>>t,-i>>t))f=i*t,X=f*f%12,Y=X*f%6,h=i/3*S(Y*S(p=Y%t*Y*3)+X*S(Y*p)),x.fillStyle=R(i/2,h*4,h*p,9/p)

Apr 20 2021 2:09 AM UTC

}// 138/140

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d/22568

Show more comments…
u/magna

OH MY GOD
u/lars-erik

🤯👌
u/UEZ

Excellent! 1/Y/2 as alpha channel gives a softer water surface imho. :-)
u/UEZ

Even better: x.fillStyle=R(i/2,h*4,h*p,1/Y/6)
u/taupelink

thanks all--and yes, I like that variant!
u/magna

u/taupelink how much of your work is intention versus happy accidents? It would be lovely to see a blog post from you explaining your process...
u/taupelink

far, far closer to happy accidents. lots and lots of trial and error to see what works. with that said, it's not just throwing darts blindly. maybe like panning for gold?
u/taupelink

in any case, i will think about writing up some kind of essay on it!
u/DaSpider

Reminds #monet #impressionism
u/tomxor

#waitforit

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taupelink

remix of d/22452 by u/taupelink

function u(t) {

for(i=k=300;--i;x.fillRect(9**t*X*C(Y),720-q*S(Y),q/t,-Y/3*i>>t))f=i*t,X=f*f%k,Y=X*f%6.3,q=i*C(X**S(Y))/t**Y,x.fillStyle=R(q%X,i/T(Y),q,9/q)

Apr 17 2021 10:02 PM UTC

}// 140/140

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d/22541

u/magna

Love it!
u/danny@hille.dk

skyline timelapse - this is now my favorite u/taupelink
u/sigveseb

incredible!
u/taupelink

See d/24420 for a wireframe version

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mrfoogles

remix of d/22476 by u/taupelink

function u(t) {

for(i=k=480;--i;x.fillRect(t*X*C(Y),k-X*S(Y),q/t,i>>t))f=i*t,X=f*f%2e3,Y=X*f%6.3,x.fillStyle=R(X%(q=i*C(X%S(Y))/t/Y)/4,X/2*C(q/20-Y),q,0.01)

Apr 15 2021 11:45 PM UTC

}// 140/140

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u/UEZ

#lake #sunset #sunrise
u/mrfoogles

oh it was supposed to be a mountain. This is from someone else's lake.
u/mrfoogles

darn

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