New #cloud 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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rodrigo.siqueira

remix of d/24908 by u/rodrigo.siqueira

function u(t) {

with(x)for(i=800;i--;fillRect(~setTransform(i,0,0,i,880+i+3*i*C(i),700+2*i*C(i/400)),~rotate(i/6+t/2),2,2))fillStyle=R(i/5,i/4,i/3,.07)

Feb 11 2022 12:45 PM UTC

}// 135/140

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Misty mountain fog #smoke

Show more comments…
u/tomxor

Simple but very effective!
u/aleamb

wow!
u/vain

OMG! It looks so great. Where do you guys get the ideas & math formulas from?
u/magna

O M G
u/rodrigo.siqueira

u/vain It is the combination of rotations, scaling and translations (setTransform) and transparent color (.07 opacity). I remix and play with parameters and all stems from u/pavel 's Underwater cavern: https://www.dwitter.net/d/18597 My previous dweets are also remix of it. The math formulas (sin and cos) are not the main thing, they just create some almost random numbers with cyclic properties. I can not predict the result only looking to the formulas. I remix and explore combinations and post when I find interessting results.
u/vain

u/rodrigo.siqueira Thank you for your feedback and the nice and detailed description. Keep on your nice work! ;-)
u/joeytwiddle

Beautiful! #cloud #mountain #scene

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joeytwiddle

remix of d/3239 by u/joeytwiddle

function u(t) {

r=()=>Math.random()*2520;for(i=99;i--;)x.fillStyle=`hsla(${r()},99%,63%,.01`,x.beginPath(),x.arc(r()-99,r()/2-99,r()**3/4e7,0,7),x.fill()

Apr 19 2019 9:35 AM UTC

}// 137/140

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#plasma #cloud remix for 2019

u/KilledByAPixel

nice
u/DataMeta

Neato
u/joeytwiddle

63% works well on Firefox, 67% works well on Chrome

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joeytwiddle

remix of d/11709 by u/joeytwiddle

function u(t) {

t%1<.01&&(p=(X,Y,W,I,H=W/2)=>H>1?[0,1,2,3].map(i=>p(X+i%2*H,Y+H*(i>1),H,I*Math.random()**.2)):x.fillRect(X,Y,I,I))(0,0,c.width=R=512,5)

Jan 10 2019 10:29 AM UTC

}// 135/140

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golfed #recursive #fractal #cloud

u/katkip

#massive
u/joeytwiddle

guess: What happens if you remove one of the numbers from the list?
u/f8f82804

Neat trick with just three numbers :) It took me a minute...

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yonatan

remix of d/10704 by u/yonatan

function u(t) {

eval(unescape(escape`挮楮湥版呍䰽怼獶朾㱦楬瑥爠楤㵦㸼晥呵牢畬敮捥⁢慳敆牥煵敮捹㴮〰ㄠ湵浏捴慶敳㴵 㸼晥䑩獰污捥浥湴䵡瀠獣慬攽⑻匨琩⨹㤹紾总砮晩汬呥硴⡸⹦楬瑥爽≵牬⠣昩∬〬〩`.replace(/u(..)/g,"$1%")))

Oct 26 2018 12:31 PM UTC

}// 124/140

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#waitforit (unless you just see a blank canvas, then it's broken)

u/joeytwiddle

Wow that's beautiful! But #heavy on some machines #plasma #cloud #oil #oil_spill

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