Dweets awesomed by u/username

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Opposites

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username

remix of d/9690 by u/donbright

function u(t) {

for(c.width|=i=0;i<5e3;i++)Φ=Math.acos(1-2*i/99/99),Θ=10.1664*i,x.fillRect(500*(2+C(Θ)*S(Φ)*S(t)+C(Φ)*C(t)),500*(1+S(Θ)*S(Φ)),9,9)

Nov 26 2019 3:53 PM UTC

}// 130/140

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half a sphere

u/username

#randomremix no 38
u/f8f82804

#d3 #sphere #model
u/fourier.space

If I blink, it rotates both ways
u/username

u/fourier.space actual f, I see it too
u/username

u/fourier.space I missed to mention you on d/16759

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rnbw

function u(t) {

for(c.width^=i=0;i++<210;)for(j=0;j++<7;x.fillStyle=`#f`+j*15)x.fillRect(i*9,540-S(a=t-i/80*C(t+i/69)+j*.89)*230,9,Math.max(210*S(a-1.1),0))

Nov 25 2019 7:18 PM UTC

}// 140/140

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an attempt at something like a twister

Show more comments…
u/Xen

mmmmm tasty!
u/tomxor

my exact thoughts #marshmallow
u/katkip

twisted icecream
u/Xen

#flump
u/joeytwiddle

That's a very juicy #twister!
u/cyhawk

I teach 9-year-olds programming and used a tidied up version of this to show them how to figure out how something works. They loved it! Thanks! I've added a bit of gap between the strands to make it easier to understand, and I think it looks good. Like Math.max(180*S(a-1.2),0).
u/rnbw

wow, i would have never thought that my recreational programming would be used for educational purposes. glad i was able to help those kids out on their journeys!
u/danny@hille.dk

Just saw this, nice code man! Save 11 b like this: for(c.width=i=300;i--;)for(j=8;j--;x.fillStyle=#f+j*15)x.fillRect(i,99-S(a=t-i/80*C(t+i/99)+j*.9)*40,1,Math.max(40*S(a-1.1),0))

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andrea270872

function u(t) {

~~t%3?0:c.width|=F=[x=>1-(x**2),x=>x,x=>(1-x)**3,x=>1-(1-x)**2]
for(i=900;i-->0;x.fillRect((i%15+t%1)*128,(i/15+F[i%4](t%1))*72,5,4));

Nov 24 2019 9:12 PM UTC

}// 134/140

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Experiments with "Fast&Frunky" easing functions - https://www.gdcvault.com/play/1022142/Math-f…

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username

remix of d/2647 by u/New_Core

function u(t) {

c.width|=0;for(i=61;i--;x.lineWidth=22,x.strokeStyle='hsl('+a*30+',72%,50%)',x.stroke())x.beginPath(),x.arc(960,540,i*20,a=10*S(t+i/90),a+3)

Nov 22 2019 8:43 PM UTC

}// 140/140

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origins

u/username

#randomremix no 37

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username

function u(t) {

x.rotate(.1)
for(i=19;i--;x.fillStyle=`hsl(${9*t*T(t*i)*C(i)+i*S(t*i)*T(i*i)},99%,50%`)x.fillRect(i*99+S(t)*300,400,50,(i-9)*i*9+C(t*99)*99)

Nov 22 2019 12:02 AM UTC

}// 140/140

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hapy

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pavel

function u(t) {

for(i=c.width|=0;i--;x[i%64?'fillRect':'clearRect'](!x.rotate(Math.atan(y-8)),9,9,9))y=(i>>6)-t%1,x.setTransform(9,0,0,2,960,64*y+(i%64||3))

Nov 21 2019 8:17 AM UTC

}// 140/140

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#box #loop

u/aleamb

oh! wow!

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pavel

remix of d/16679 by u/DataMeta

function u(t) {

t||x.fillRect(0,0,2e3,2e3)
for(n=8;n--;x.clearRect(960+i*C(n?i:c-e),540-i*S(n?i:c+e),s=n/2||6,s))
i=320+781*Math.random()*!!n,c=t%11,e=c>6.3

Nov 21 2019 2:51 AM UTC

}// 140/140

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#planet

u/pavel

Small remix with a background that doesn't draw over the planet
u/rnbw

"n?i:c-e" indeed
u/DataMeta

Cool! :)
u/Xen

oooooooo nice

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veubeke

function u(t) {

c.width^=0
for(x.transform(80,i=9,0,80,960,540);i--;x.fill(new Path2D(`M-1-5q${D=C(t/2)+1} 1,2 0q ${D-2}-1,-2 0`)))x.rotate(i-8?.7:S(t/2)*6)

Nov 15 2019 9:36 AM UTC

}// 140/140

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u/Xen

smoooth
u/DataMeta

Mmm niice
u/michaelplzno

impressive!
u/katkip

#path2d

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veubeke

remix of d/16633 by u/veubeke

function u(t) {

c.width^=0
for(i=9;i--;x.fill(new Path2D(`M${(1+i+$)*99} 400q25-${V=$*20},50 0q${V/6} 99,0 200q-25 ${V},-50 0q-${V/6}-99,0-200`)))$=S(t)*3+3

Nov 14 2019 9:21 PM UTC

}// 140/140

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Breathing #default

u/katkip

nice

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username

function u(t) {

for(c.width^=i=15,x.font=`13em'`;i--;)x.fillStyle=`hsl(${C(t)*i*99},37%,50%`,x.fillText(`Dwitter Seizure`[i],i*129,i*
59+59*(3+C(t*(i+1))))

Nov 14 2019 12:44 PM UTC

}// 139/140

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u/katkip

#text

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