Hot dweets by u/marc8

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: #ScaryMovies

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marc8

function u(t) {

c.width=w=320
for(i=0;i<w;i++){
z=1-(S(k=(i-w/2)/11)/k)**2
x.globalAlpha=z**10 //gamma
x.lineTo(i,1+z*60)
x.fillRect(i,80,1,70)}
x.stroke()

Mar 12 2019 9:59 PM UTC

}// 139/140

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The physics dweets: single slit diffraction figure. Adjust the gamma value from 1 (accurate) to whatever (enhanced).

u/rodrigo.siqueira

Morlet Wavelet + Gabor filter #wavelet

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marc8

function u(t) {

c.width=w=360;i=0
r=_=>Math.random()*256
while(i<=w){x.fillStyle=i<w?R(r(),r(),r()):"#43A"
x.fillRect(0,i,w,i+=2)}x.fillRect(40,20,280,160)

Mar 4 2019 10:51 PM UTC

}// 139/140

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u/tomxor

Oh crap :D it all came flooding back, now i gota go play llamatron
u/tomxor

#retro #amiga
u/tomxor

I love this, we need more retro!
u/tomxor

I did the atari loading bee :P d/12717
u/Jezza

I love this!
u/marc8

#c64
u/UEZ

#decruncher

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marc8

function u(t) {

c.width|=a=300
with(x){font=a+"px a"
globalCompositeOperation='xor'
fillText("┃┃┃┃┃┃┃┃",a+200*S(t),y=700)
fillText("dwitter",a+200*C(t),y)}

Dec 14 2018 11:28 PM UTC

}// 139/140

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marc8

function u(t) {

eval(unescape(escape`挮睩摴桼㵪㴱〻欽㘮㈸㭺㴹㤹㭲㵺⨲⨪⠲⸸⭴┲⸸⤻景爨㭪ⴭ㬩筸⹢敧楮偡瑨⠩㭦潲⡩㴰㭩㰲㭩⬽⸴⥸⹬楮敔漨稫爪匨焽椪欭琩ⱺ⼲⭲⩃⡱⤩㭸⹦楬氨❥癥湯摤✩㭲⨽⴮㌸紻`.replace(/u(..)/g,"$1%")))

Dec 3 2018 10:01 PM UTC

}// 124/140

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c.width|=j=10;k=6.28;z=999;r=z*2**(2.8+t%2.8);for(;j--;){x.beginPath();for(i=0;i<2;i+=.4)x.lineTo(z+r*S(q=i*k-t),z/2+r*C(q));x.fill('evenodd');r*=-.38}

u/donbright

awesome precision

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marc8

function u(t) {

c.width=w=1920
t||(a=b=250)
e=q=>2.71**(q/50)
onmousemove=m=>(a=e(m.x),b=e(m.y))
for(i=0;i<w;i++)x.lineTo(i,540+b*S(t+i*a/1e4))
x.stroke()

Sep 26 2018 10:09 PM UTC

}// 138/140

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Mouse driven waveform

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marc8

function u(t) {

c.width|=0
t%=62.8
for(i=0;i<t/6.28;i++){x.fillRect(400+i*100+C(t)*300,400,50,200)}
x.fillRect(700+i*100,S(t)<=0?200+200*C(t):0,50,200)

Jul 25 2018 3:10 PM UTC

}// 136/140

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The new dweets' assembly line

u/iverjo

#default
u/aleamb

nice!
u/magna

Smart!

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marc8

function u(t) {

s="Dwitter barcode generator!"
c.width|=i=0
for(q of s){for(y of q.charCodeAt().toString(2)){x.fillRect(400+i,400,y*4,250)
i+=4}i+=8}

Jul 6 2018 9:31 PM UTC

}// 133/140

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u/aleamb

#barcode
u/marc8

Generate your own code!
u/katkip

Wow that's crazy

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marc8

remix of d/7020 by u/marc8

function u(t) {

c.width|=0
s=50;v=t*4
for(i=0;i<t;i++){
x.beginPath()
x.arc(999-v*(t-i),540,s*(t-i),0,7)
x.stroke()}
throw "Mach "+v/s

Feb 24 2018 11:58 PM UTC

}// 118/140

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marc8

function u(t) {

c.width|=0
s=50;v=t*4
x.font="60px A"
for(i=0;i<t;i++){
x.arc(1000-v*(t-i),540,s*(t-i),0,7)
x.stroke()}x.fillText("Mach "+v/s,1630,560)

Feb 20 2018 9:10 PM UTC

}// 135/140

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The physics dweets: supersonic motion

u/aleamb

awesome!
u/magna

DOPE!
u/joeytwiddle

#physics
u/Purpzie

Goodness gracious this is cool.

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marc8

function u(t) {

c.width|=0
for(i=0;i<9;i++){
x.fillStyle=`hsla(${i*25},100%,50%,.5)`
x.fillRect(Math.max(500,Math.min(1300,(i+5)*100+S(t)*800)),400,50,200)}

Feb 2 2018 6:02 PM UTC

}// 140/140

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u/lionleaf

Always fun with remixes of the default dweet! Nice one!
u/f8f82804

#default

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