Dweets awesomed by u/g33king10

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: #Opposites

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g33king10

function u(t) {

c.width=1920;for(let i=0;i<128;i++){let a=(i%2?1:-1)*S(t*3+i*0.07)*540+525;x.fillStyle="rgb(0,"+i%2+i+",0)";x.fillRect(15+i*15,a,30,30);}

Aug 27 2023 8:38 PM UTC

}// 137/140

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DazeWare

function u(t) {

eval(unescape(escape`󨼮󬽴󮝬󩜮󩭩󫍴󩝲󟜢󨭬󭝲󚌮󞍶󪌩󨽯󫭴󬭡󬽴󚌲󚜢󒭸󛭦󪝬󫍓󭍹󫍥󟜧󫝡󬭯󫽮󙼊󮬽󬬽󟬶󜌪󣝡󭍨󛭲󨝮󩍯󫜨󚜭󜼰󒬡󭌪󞜹󙬦󚍡󟝁󬭲󨝹󚍋󟜶󜌩󛭦󪝬󫌨󞜶󜌩󛍢󟝛󛬮󛭡󧜮󩭩󫍬󚌵󝌰󚜩󒭦󫽲󚍩󟜰󞽋󟭩󚼫󞼩󮌮󩭩󫍬󤭥󨽴󚍡󦽩󧜫󟝺󚌩󛍢󦽩󧜫󟝺󚌩󛌳󛌳󚜻`.replace(/u../g,'')))

Oct 6 2022 5:27 PM UTC

}// 137/140

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#blood #scarymovies #splatter

u/jellyedwards

Cool!
u/bogdanov

It's amazing...

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ketolli

function u(t) {

a=1920;x.fillRect(0,0,a,a);for(i=0;i<3300;i++)x.fillStyle=R(-80+i/12),x.fillRect(a/2+C(t/5-i/7)*i/3,a/4+C(t/2-i)*i/4,99-i/40,99-i/40)

Oct 16 2021 3:14 PM UTC

}// 133/140

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Cosmic Horror #ScaryMovies

u/Gamer_Boy66

sick
u/sigveseb

wicked
u/davidsover

rad
u/SockTaters

gnarly

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f8f82804

remix of d/11753 by u/f8f82804

function u(t) {

for(i=c.width^=0;i--;x.fillRect(X/d+960,Y/d,s=45-5e3*d,s))r=i%2+1,d=Math.hypot(X=r*S(ϕ=i/612)*S(θ=i*37-t/r),Y=r*C(ϕ)/.7+4,r*C(θ)*S(ϕ)+5)/1e3

Jan 14 2019 5:22 PM UTC

}// 140/140

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#perspective #sphere #pointcloud #hypot -- the distortion from this projection is clear here, because the two spheres should be concentric but it looks like they aren't

u/metamero

this dweet series is great
u/f8f82804

thanks! I'm having a lot of fun with it. Hopefully I'll be able to fix up the distortion a little and reivist some of these ideas
u/f8f82804

the distortion here is pretty bad because i'm applying the correction incorrectly! see d/11812

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katkip

remix of d/9690 by u/donbright

function u(t) {

c.width^=0;for(i=0;i<999;i++){Φ=Math.acos(1-2*i/t/t);Θ=10.1664*i;x.lineTo(500*(2+C(Θ)*S(Φ)*S(t)+C(Φ)*C(t)),500*(1+S(Θ)*S(Φ)),9,9)}x.stroke()

Sep 8 2018 2:00 PM UTC

}// 140/140

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donbright

function u(t) {

c.width=2e3
for(i=0;i<t*t;i++){Φ=Math.acos(1-2*i/t/t)
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)}

Sep 7 2018 4:57 AM UTC

}// 135/140

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Evenly spaced points on a sphere, based on CR Drost's phyllotaxis sunflower cylyndrical equal area map in python: https://stackoverflow.com/questions/9600801/…

u/joeytwiddle

Useful! #sphere
u/Odog8

Love me a PHI sphere in the morning!

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