New #Rain dweets

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: #ScaryMovies

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KilledByAPixel

remix of d/13756 by u/KilledByAPixel

function u(t) {

x.font="74em impact"
for(x.fillText("RAIN",6,1e3,i=1900);i--;x.clearRect((S(i)*1e9)%2e3,(i+t*i/2)%1200-99,j=i%9,j*9))x.fillStyle="#0251"//☂

May 12 2019 9:37 PM UTC

}// 139/140

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Rain Man ☂️

u/KilledByAPixel

#rain

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KilledByAPixel

remix of d/13416 by u/KilledByAPixel

function u(t) {

for(i=F=2e3;i--;x.fillRect(i,Y,2,99))k=S(i)**2+1,Y=k*(1e9+t*1e3)%F-1199+99/t,x.fillStyle=R(z=i%2?(999-i)**2+(500-Y)**2<6e4?F:0:99,z,z+30,.5)

Apr 23 2019 7:01 PM UTC

}// 140/140

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The moon shines bright through the rain tonight.

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KilledByAPixel

function u(t) {

for(i=F=2e3;i--;x.fillRect(i,(k*1e9+k*t*2e3)%F-70*(z?17+k-C(j=i/99)-2*S(j/3):S(j+t)-1),2,z?60:F))
k=S(i)**2+1,x.fillStyle=R(z=i%2*F,z,z,.1)

Apr 23 2019 5:06 PM UTC

}// 139/140

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Rain falls on tree topped mountains while clouds move overhead.

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anotherkitten

function u(t) {

for(c.width|=i=~~(t*9),x.fillStyle="#3ad";i-->t*9-28;)for(j=25;j--;)x.fill(p=new Path2D,p.arc(S(i)*2e3,60*(t*9-i-8)*(C(i**3)+2)+j*3,j,0,8))

Nov 18 2018 7:42 AM UTC

}// 139/140

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ugly rain

u/iverjo

#rain

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pavel

remix of d/10356 by u/pavel

function u(t) {

for(x.fillRect(0,0,X=w=c.width=600,w);X-=6;)for(r=X**2.3%w,Y=h=r*t&504;Y;x.fillText(r*Y&1,X,Y-=8))x.fillStyle=R(b=Y-h||w,250+Y-h,b)

Oct 15 2018 12:05 AM UTC

}// 131/140

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#matrix #rain v3 shorter, faster, and with variable speed droplets

u/joeytwiddle

Let the white burn briefly: b=250+(Y-h)*6

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pavel

remix of d/10354 by u/pavel

function u(t) {

for(x.fillRect(0,0,i=W=c.width=600,W);i;i-=5)for(j=0,a=((W*i^1e7)+t*W)%W;j<a;x.fillText(i%j&1,i,j+=9))x.fillStyle=R(b=(a-j<9)<<8,300+j-a,b)

Oct 13 2018 4:01 AM UTC

}// 139/140

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Matrix Rain v2

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f8f82804

remix of d/7094 by u/AnnanFay

function u(t) {

eval(unescape(escape`睩瑨⡸⥦潲⡸⹲㵦楬汒散琬爨〬〬挮睩摴栽猽㌸㐬猩ⱳ桡摯睃潬潲㴧慱畡✬獨慤潷䉬畲㴵ⱺ㴴攳㭺ⴭ㭲⡾繡⩷⩃⡺⤫椪⨳╳Ⱘ⡡⩳⵾繡⩷⤪⠲⭺┱⤫眪匨稩⤯㐬㌬㌩⥡㴨琫䌨椽稥㤹⤩┲ⱷ㵡⩳⵳`.replace(/u(..)/g,"$1%")))

Sep 12 2018 9:23 PM UTC

}// 133/140

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#electric #neon #rain (redux); see d/9796

u/donbright

haha! amazing! well... maybe a bit slow on my old computer
u/donbright

damn thats cool

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f8f82804

remix of d/9777 by u/f8f82804

function u(t) {

with(x){for(shadowColor=R(fillRect(0,0,i=c.width=294,i),i,i);i-=3;lineTo(i,y+32))moveTo(i-6,y=99*S(i^7*t));for(j=9;shadowBlur=j--;)stroke()}

Sep 12 2018 5:42 PM UTC

}// 140/140

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#electric #neon #rain, as requested by u/donbright

u/f8f82804

This is the best solution I found to having them not be too fast; we only change the pattern 7 times a second. Using S() means there are occasional patterns in the drops. Change to y=99*Math.random() to see the difference.
u/f8f82804

also see d/9803
u/donbright

hee hee, thanks

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anthonylewis

function u(t) {

t?0:a=[];w=c.width^=0;Z=Math.random
a.unshift([Z()*w,Z()*w])
a.forEach((e,i)=>{x.beginPath(x.stroke());x.arc(...e,i*3,0,7)})
a.splice(50,1)

May 11 2018 2:16 AM UTC

}// 139/140

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Raindrops

u/joeytwiddle

Elegant code, elegant output!
u/vaibhav

great!...How to implement it in my application
u/fujimotos

#rain

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rikardlindstrom

function u(t) {

x.fillStyle=R(2,9,9,.04)
x.fillRect(0,0,v=2E3,v)
for(i=99;i--;y=(i*i+t*v)%v,x.fillStyle=`HSL(${y*11},99%,50%)`,x.fillText(0,(i*337)%v,y));

Jan 2 2018 2:29 AM UTC

}// 138/140

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u/donbright

nice, electric rain...
u/iverjo

#rain

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