Dweets by u/lewdev

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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lewdev

function u(t) {

for(c.width|=0,x.font="200px s",i=0;i<99;i++)
y=i%4,m=t%2e3%5,x.fillText("🏃",m>1.6&&m<1.9?-(t*100)+i*100:500*-t%2e3+(i*100),120+y*300)

Oct 18 2021 11:59 PM UTC

}// 134/140

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🦑🎮 Red light, Green light. I'm having trouble making them pause. Does this count as #ScaryMovie ?

u/pavel

Nice idea. Play around with this for(c.width|=i=32,x.font="5cm'";q=i*i--;)x.fillText("🏃",2e3-(i+177*(C(a=C(b=t/2+S(q)/5)+b)+a+q))%300*9,1e3-32*i)
u/lewdev

OMG, you're a genius! Thanks!

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lewdev

function u(t) {

document.addEventListener("keydown",e=>document.body.innerHTML=(["key","keyCode","code"].map(k=>`${k}: ${e[k]}`).join("<br/>")));

Sep 10 2021 2:20 AM UTC

}// 129/140

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Learn about Key Codes

u/rep_movsd

This doesnt work in dark theme

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lewdev

function u(t) {

n=t*10|0
for(i=0;i<100;i++){
x.beginPath();x.moveTo(i*50,n);n=n%2?(n*3)+1:n/2;x.lineTo((i+1)*50,n);x.stroke();}

Aug 9 2021 12:06 PM UTC

}// 111/140

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3x+1 Unsolved Math Problem https://youtu.be/094y1Z2wpJg

u/rodrigo.siqueira

Paul Erdős said about the Collatz conjecture: "Mathematics may not be ready for such problems." He also offered US$500 for its solution. https://en.wikipedia.org/wiki/Collatz_conjec…
u/New_Core

I tried to visualize something with the Collatz Conjecture a few weeks ago but I didnt come up with anything good.. I bet someone can do some nice stuff with it here.
u/lewdev

Yeah, I figured there's a way to build out visuals like the ones in the video. I just did a quick one to get started. Math is a great inspiration for dweets.
u/smtsjhr

neat! some more inspiration for visualizing Collats here: https://youtu.be/RzQE2Q7lsT4

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lewdev

function u(t) {

for(c.width=1920,x.font="200px s",i=0;i<80;i++)y=i%4,m=y==1||y==2,x.fillText(m?"🚘":"🏠",120+y*500,(m?0:-2e3)+500*(m?-t:t)%2e3+i*(m?100:50));

Jul 30 2021 9:21 PM UTC

}// 139/140

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🚘 Cars driving through town. My first dweet!

u/Xen

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