Dweets awesomed by u/shapes

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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cantelope

remix of d/2452 by u/cantelope

function u(t) {

w=(c.width|=0)/2
x.fillStyle="#64f"
for(i=2e3;i--;x.fillRect(w+S(p=i+t)/(Z=4+C(p)*(h=1+S(i/99-t*4)/2))*w*h,540+1/Z*(i-999)*w/300,s=40/Z,s));

Apr 9 2017 6:17 AM UTC

}// 140/140

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u/magna

<3
u/donbright

loved it, remix w mouse control https://www.dwitter.net/d/2460

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marc8

function u(t) {

c.width|=i=0
for(b=(m=80)+(f=m+(l=5*m));i<7;i++)"}P7WZOoQ_".charCodeAt(t%10)&2**i&&x.fillRect(i<3?m:i%2?0:f,i>4?b:i>2?m:i*f,r=i<3?l:m,f-r)

Apr 7 2017 1:23 PM UTC

}// 139/140

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u/magna

Awesome!

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shapes

remix of d/2431 by u/shapes

function u(t) {

r=480;c.width=r*4;λ=0;for(φ=a=1.56;φ>-a;φ-=1.56/r){λ+=a;x.lineTo(C(φ)*S(λ-t/2)*r+2*r,(C(t=t+φ/r)*S(φ/4)+S(λ)*C(t/2)*C(λ-t))*r+r)}x.stroke()

Apr 6 2017 5:49 PM UTC

}// 139/140

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u/magna

Love it!

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shapes

remix of d/2423 by u/shapes

function u(t) {

r=480;c.width=r*4;λ=0;for(φ=a=1.6;φ>-a;φ-=1/r){λ+=a;x.lineTo(C(φ)*S(λ-t)*r+2*r,(C(t=t+φ/r)*S(φ)+S(t)*C(t)*C(λ-t))*r+r)}x.stroke()

Apr 6 2017 1:37 PM UTC

}// 129/140

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shapes

remix of d/2424 by u/shapes

function u(t) {

r=480;c.width=r*4;λ=0;for(φ=a=2.5;φ>-a;φ-=1/r){λ+=a/9;x.lineTo(C(t)*S(λ-t)*r+2*r,(C(t=t+φ/r)*S(t)+S(r)*C(φ)*C(λ-t))*r+r)}x.stroke()

Apr 6 2017 1:24 PM UTC

}// 131/140

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u/sfz

really cool
u/shapes

Thanks, most credit goes to mxfh though, I'm just fuckin' around with his code to find cool shapes :)

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shapes

remix of d/2423 by u/shapes

function u(t) {

r=480;c.width=r*4;λ=0;for(φ=a=Math.PI/1.3;φ>-a;φ-=1/r){λ+=a/9;x.lineTo(C(φ)*S(λ-t)*r+2*r,(C(t=t+φ/r)*S(t)+S(r)*C(φ)*C(λ-t))*r+r)}x.stroke()

Apr 6 2017 2:08 AM UTC

}// 139/140

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u/cantelope

amazing!
u/shapes

Thanks, most credit goes to mxfh though, I'm just fuckin' around with his code to find cool shapes :)

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shapes

remix of d/2422 by u/shapes

function u(t) {

r=480;c.width=r*4;λ=0;for(φ=a=Math.PI*1.2;φ>-a;φ-=1/r){λ+=a;x.lineTo(C(φ)*S(λ-t)*r+2*r,(C(t=t+φ/r)*S(φ)+S(t)*C(φ)*C(λ-t))*r+r)}x.stroke()

Apr 6 2017 1:56 AM UTC

}// 137/140

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shapes

remix of d/855 by u/mxfh

function u(t) {

r=480;c.width=r*4;λ=0;for(φ=a=Math.PI/1.99;φ>-a;φ-=1/r){λ+=a;x.lineTo(C(φ)*S(λ-t)*r+2*r,(C(t=t+φ/r)*S(φ)+S(t)*C(φ)*C(λ-t))*r+r)}x.stroke()

Apr 6 2017 1:54 AM UTC

}// 138/140

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mxfh

remix of d/2180 by u/aemkei

function u(t) {

for(i=W=c.width=2e3;i--;x.beginPath(),x.arc(W*(T(i/9)+s*t)%W,540+540*S(s*W),s*30,0,7),x.fill())s=149/(i*3+199)

Mar 18 2017 3:05 AM UTC

}// 110/140

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arc all the things

u/iverjo

#parallax #dots
u/mxfh

#arc

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mxfh

function u(t) {

for(x.drawImage(c,b=n=0,-16),i=w=960;a=C(i/w*4),b=!b,i-->-w;n+=C(t*i*i),x.fillStyle=R(e=b*w,e,e))x.fillRect(i+b+w,a>0?w+a*a*n*2+b*4:w,2,w)

Mar 13 2017 10:35 PM UTC

}// 138/140

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dwitter Album Cover Art https://blogs.scientificamerican.com/sa-visu… (deleted the prior version)

Show more comments…
u/donbright

wonderful
u/SpecialAgent

Nice homage to a great band :)
u/p01

Super smart implementation! Wish I saw it before I did https://www.dwitter.net/d/2958
u/zanella

I saw i--> and thought it was a new JS operator. :)
u/lionleaf

#album #album_cover
u/mxfh

#unknownpleasures #joydivision
u/rodrigo.siqueira

Here is the original Ph.D. dissertation page where this were published: https://twitter.com/ChristiansenJen/status/1…

dwitter.net | shapes (725)