Hot dweets by u/BriSeven

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

} // 112/140

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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: #Food

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BriSeven

remix of d/18419 by u/New_Core

function u(t) {

c.width|=8,x.font='6cm a'
for(i=8;i--;x.fillText("🍕",-178,9*b))x.beginPath(),x.setTransform(b=C(a=i/1.1+t)*2,S(a)*2,S(a)*2,-C(a)*2,960,540)

Apr 26, 2020 2:13 PM

}// 139/140

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did someone say #pizza ?

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BriSeven

remix of d/18368 by u/veubeke

function u(t) {

π=3.14
T=(x)=>π-(.5*x/π%1)*π*2
c=(x)=>(y=(x*x)**.5,16*x*(π-y)/(5*π*π-4*y*(π-y)))
x.fillRect(950,540,c(T(t+π/2))*300,c(T(t))*300)

Apr 24, 2020 2:46 PM

}// 128/140

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Bhaskara's Sine Approximation Formula #circlechallenge

u/BriSeven

what's kinda weird is the value of pi doesn't seem to matter much, it still makes a great looking circle.

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BriSeven

function u(t) {

X=(t%1)*600-300,Y=t*10-300
if(Math.sqrt(X*X+Y*Y)<300)x.fillRect(X+950,Y+540,10,10)

Apr 22, 2020 2:49 AM

}// 82/140

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#circlechallenge

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BriSeven

remix of d/18368 by u/veubeke

function u(t) {

x.fillStyle="#0001"
x.fillRect(960,540,C(100*t|0)*300,S(100*t|0)*300)

Apr 21, 2020 7:17 AM

}// 69/140

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u/sigveseb

#circlechallenge

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BriSeven

remix of d/11545 by u/ersagun

function u(t) {

d=C(t)*3.14;r=300*S(t*301);x.fillRect(r*C(d)+960,r*S(d)+540,8,8)

Apr 22, 2020 1:12 AM

}// 64/140

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this will probably be a circle eventually

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BriSeven

function u(t) {

a=c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,600,50,S(a+=(i+t)*t*a)*200) // draw 50x200 rects

Apr 21, 2020 7:02 AM

}// 130/140

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#default #random #prng

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BriSeven

function u(t) {

eval(unescape(escape`挮睩摴桼㵮㴶㐻景爨樽渻樭ⴻ⥦潲⡩㵮㭩ⴭ㭸⹦楬汒散琨ⴲ㔬㠰⭃⡡⨴⵴⨴〩⨳〭䌨㌪樯渫㤩⨵〬㈰ⰲ〩⥸⹦楬汓瑹汥㵒⠲㔵⵪⨳ⱪ⤬砮獥瑔牡湳景牭⡃⡡㴶⸲㠪椯渫琩⨲ⱓ⡡⤬ⵓ⡡⤪㈬䌨愩ⰹ㔰ⰵ〰⭪⨷⤠`.replace(/u(..)/g,"$1%")))

Apr 14, 2020 11:28 AM

}// 139/140

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A tasty bella pepper.

u/sigveseb

Mmm makes me hungry
u/BriSeven

Ages ago I had a super long dweet that I couldn't post, that was something like 3d lighted aliens made from randomized particles. The trickiest thing about them was the z-sorting. But, you kinda get that for free if you carefully draw in layers along the axis you're rotating on. Painter's algorithm in essence, but the data is structured so you don't have to run a sort.
u/BriSeven

one of these days I'll understand the BSP algorithm

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BriSeven

remix of d/18189 by u/BriSeven

function u(t) {

c.width*=1
for(i=t*20|0;i--;x.fillStyle=R(i/t*20))
x.fillRect(500+((m=i%2?65535:i/2)&(C(o=i/12.7/t+t)*t)+t)*(p=500/t),(m&(S(o)*t)+t)*p,p,p)

Apr 9, 2020 1:35 AM

}// 139/140

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fire brAND

u/BriSeven

plot a short segment of a circular arc, and also plot the coordinates after binary AND.

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BriSeven

remix of d/18168 by u/BriSeven

function u(t) {

c.width*=1
for(i=0;i<512;i++)
x.fillStyle=R(i,S(n=i/t+t)*200,200-C(n)*200)
,x.fillRect(i*5,500+(i%2*2-1)*(i&S(n+i%2*n/2)*t+t)*5,10,15)

Apr 8, 2020 1:41 PM

}// 134/140

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spiral spires softly spinning

u/BriSeven

try deleting the first line
u/Xen

nice!

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BriSeven

remix of d/18166 by u/BriSeven

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<256;i++)
x.fillRect(i*10,(i&(S(i/t+t)*t)+t)*10+500,10,15) // draw 50x200 rects

Apr 7, 2020 4:05 AM

}// 121/140

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sinewave serving samples of sierpinski

u/camel_case

I could watch this forever *.*
u/BriSeven

can you? i haven’t watched long enough to know for sure but i think the math should run down eventually
u/Xen

love it!

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