Top dweets by u/f8f82804

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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f8f82804

remix of d/10511 by u/f8f82804

function u(t) {

c.width^=0;with(x)for(lineJoin='round',lineWidth=i=17;i--;lineTo(960+a*S(p)/.7,540+(i&4?a:-a)))a=960/(3+C(p=t+1.57*(i-(i>>2))));x.stroke()

Oct 16 2018 10:09 PM UTC

}// 138/140

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#minimal #perspective #d3 #cube #fullhd

u/f8f82804

#wireframe

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f8f82804

remix of d/10293 by u/f8f82804

function u(t) {

for(i=768;i--;x.globalCompositeOperation=i?'source-over':'xor')x.fillRect(1920*Math.random(),1080*Math.random(),8,8);

Oct 10 2018 4:52 PM UTC

}// 117/140

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#twinkle #stars #waitforit

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f8f82804

function u(t) {

c.width^=r=a=>x.rotate(a);x[l='translate'](960,a=99);f=d=>d--&&x.fillRect(0,t%1*a,9,9)&x[l](0,a)&r(4)&f(d)&r(4)&f(d)&r(-8)&x[l](0,-a);f(t&7)

Sep 8 2018 5:59 AM UTC

}// 140/140

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Inspired by d/9635, but with a very different approach: no looping or explicit state #functional #golf

u/donbright

how???????
u/f8f82804

Looping is done by recursion and state is managed with the context's transform stack
u/Toby

Hi, could you explain what x[l='translate'] is accessing, please?

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f8f82804

remix of d/5600 by u/p01

function u(t) {

for(i=c.width^=0;i--;x.beginPath(x.fill()))C(t-i)>0&&x.arc(960+(i*960-i*i)**.5*S(t-i),48+i,9-(b=S(t-i-1)*C(Math.acos(i/540-1)+1))**4*9,0,7)

Sep 5 2018 6:50 PM UTC

}// 139/140

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#specular #halftone #sphere

u/f8f82804

#d3

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f8f82804

remix of d/9542 by u/f8f82804

function u(t) {

for(U=V=0,z=i=64;i--;)for(j=z;j--;x.fillRect(16*i+448,16*j,16,16))U+=i+S(t),V+=j+C(t)/9,x.fillStyle=R(U>z?(U-=z,255):0,V>z?(V-=z,255):0,255)

Aug 31 2018 5:05 PM UTC

}// 140/140

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#outrun #palette #dithering #animated

u/f8f82804

the palette that's being rendered in 4 colors: for(z=i=64;i--;)for(j=z;j--;x.fillRect(16*i+448,16*j,16,16))x.fillStyle=R(i*4,j*4,255)

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f8f82804

remix of d/9159 by u/f8f82804

function u(t) {

c.width|=0
for(i=314;i--;)x.fillRect(100*S(α=i/100)*S(β=t+i/7)+960,45*((a=S(α)*C(β))-2*C(α)+9),10,10),x.fillStyle=`hsl(0 90%${45*(a+a**9)}%`

Aug 7 2018 7:04 PM UTC

}// 140/140

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Phong reflection model

u/f8f82804

#phong

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f8f82804

remix of d/24681 by u/f8f82804

function u(t) {

for(i=c.width=1760,e=0,s=32;a=i>>5,b=(i&s?i:~i)&31,i--;x.fillRect(a<<5,b<<5,s,s))p=s+(2+S(t))*a*b/9,x.fillStyle=R(q=s*((p+e)>>5)),e+=p-q

Jan 3 2022 12:38 AM UTC

}// 136/140

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Single color 1D #dithering using #boustrophedon to propogate error

u/f8f82804

d/24683

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f8f82804

remix of d/16427 by u/f8f82804

function u(t) {

eval(localStorage.Y)//땿髞멙鲴ꋞ徶徯徎咊碱떨䡒韾鲯꩸䂌䬺ꊽ躍岔徯徎舤늉걇䡆늏ꪓꋡ뉣귔鷸奈匆䎏䁋韍龈䁋饝龈䁋ꋛ객鞻饽忎안躞酻乛뮮鿏걔彷典鸽㉡㴫鿏뉈ꐰꑾ㉨䂈躖彷鿉꤬舤뵼鷷醍ꐽ갟㵤韾㴪㵢鸴㴜뮮鿉꤬肅鬤㺱嘤䈉䓱䬸䬬䳆䬬䚸躙酹岨躖醍㴓䬰䬧岨䡆ꑼꤔ鹈땨鱨鞹䎔㻢䀼包䬬嘠䬩

Nov 4 2019 10:12 PM UTC

}// 140/140

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rolling two #dice and tracking the result

u/f8f82804

You have to view d/16213 before this will work!
u/katkip

Awesome! if still doesn't work, go to d/16532

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f8f82804

remix of d/16419 by u/RealPeha

function u(t) {

t?c.width^=f=_=>"⚀⚁⚂⚃⚄⚅"[6*Math.random()|0]:s=t;onclick=_=>s=t+1;x.font='48em"';with(x)fillText(t>s?v=f()+f():v,550,7e2)

Nov 1 2019 9:42 PM UTC

}// 120/140

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Click to roll a pair of #dice

u/joeytwiddle

#game I got a pair of twos! Is that good?

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f8f82804

remix of d/13115 by u/Xen

function u(t) {


x.fillText(code,c.width=-1,9);

Apr 9 2019 5:05 PM UTC

}// 32/140

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#32bytes #dwitterquine

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