Dweets awesomed by u/Bombo

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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aemkei

remix of d/7588 by u/aemkei

function u(t) {

c.width=999;for(i=99;i--;x.fillRect(500+S((X=t*4-i/3)/9)*399+S(t+i*16)*i,300+C(X/7)*200+C(t/6+i)*i,6,6))x.fillStyle=R(255,i,255-i*2)

Apr 5 2018 9:44 PM UTC

}// 132/140

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New_Core

remix of d/7583 by u/anthonylewis

function u(t) {

Z=Math.random
x.shadowColor=R(0,0,x.shadowBlur=a=128)
x.fillStyle=R(g=Z()*a+a,g,255)
x.beginPath()
x.arc(Z()*2e3,Z()*1e3,Z()*a,0,7)
x.fill()

Apr 5 2018 6:48 PM UTC

}// 140/140

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u/anthonylewis

Really nice!
u/sigveseb

<333

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jylikangas

function u(t) {

c.width=300+S(t/2)*99
with(x)for(i=17;--i;fill())globalAlpha=.2,arc(X=99+i*S(t/3)*3,70,450/(Z=i-t*6%1),2.7,6.7)&rect(X-(z=150/Z),70+z,z*2,7)

Mar 31 2018 10:18 AM UTC

}// 140/140

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Tribute to Strange Crystals

Show more comments…
u/iverjo

Very good tunnel!
u/p01

✨ You can save 3 bytes by replacing 2.7 and 6.7 by 9 and 13
u/jylikangas

Thanks! Improved version: c.width=W=350+C(t)*150 with(x)for(i=17;--i;fill())globalAlpha=.2,arc(X=W/2+i*S(t/3)*4,70,450/(Z=i-t*8%1),9,13)&rect(X-(z=150/Z),70+z,z*2,7)
u/iverjo

#tunnel
u/sigveseb

#witchcraft
u/pavel

Even better with(x)for(c.width=W=350+C(t)*150,i=17;--i;fill(rect(X-z,70+z,z*2,7)))globalAlpha=.2,z=150/(i-t*8%1),arc(X=W/2+i*S(t/3)*4,70,3*z,9,13)
u/vain

This psydo 3D programming is just too high for me! My biggest respect! ! ++++

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jkjustjoshing

remix of d/7270 by u/New_Core

function u(t) {

i=1920;
j=Math.abs
for(;i--;)x.fillStyle=R(255,(t*600-i/3)%999,255),x.fillRect(i,500+100*j(T(i/599))*S(j(i/90)),1,40)

Mar 21 2018 1:07 AM UTC

}// 117/140

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u/AnielaMW

x.fillStyle=R((t*600-i*2)%999,255,255),
u/AnielaMW

x.fillStyle=R((t*600-i/9)%999,255,255),
u/AnielaMW

Here is green, but no black background...
u/AnielaMW

x.fillStyle=R((t*600-i/9)%999,255,(t*600-i/9)%999),
u/AnielaMW

i=1920;j=Math.abs;for(;i--;)a=(t*600-i/9)%999,x.fillStyle=R(a,255,a), x.fillRect(i,500+100*j(T(i/599))*S(j(i/90)),1,40)
u/AnielaMW

still trying to get the black background
u/joeytwiddle

This is wrong but perhaps you can fix it: i=1920;j=Math.abs;for(;i--;)a=(t*600-i/9|0)%999,x.fillStyle=R(0,a,0),x.fillRect(i,a?500+100*j(T(i/599))*S(j(i/90)):0,1,a?40:999)

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nystrand

remix of d/7333 by u/Batrachus

function u(t) {

with(x)for(i=d=c.width=200;j=i--/d;fillStyle=R(d+i,d/j,arc(99+(i-79)*S(T(t)),S(3*j+S(t*7)/4)*75,j>.9?5:30*S(3*j+.3),0,7),fill()))beginPath()

Mar 19 2018 6:13 PM UTC

}// 140/140

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Remix of original and inspired by d/7372 by u/joeytwiddle

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u/yonatan

that's a damn fine banana!
u/sigveseb

Rockin'!
u/magna

WOOOOT!
u/joeytwiddle

very nice :D
u/aleamb

Dayyyy o! daaaay o! Come, Mister Tally Man, tally me bananaaaaa
u/Renaud___

wow :)
u/CtrlAltCuteness

That 'with' statement does have use here. Just hope it never conflicts with other needed functions.
u/joeytwiddle

#banana
u/vain

Great! How do you guys get the algos for such amazing fake 3d bananas? :)

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sawaxon

function u(t) {

c.width|=0;r=T(t)*99;for(i=0;i<140;i++)for(j=0;j<7;j++,x.fillStyle='hsl('+S(i)*99+',99%,50%)')x.fillRect(960+r*C(i)*S(t+j+i),540+r*S(i),7,9)

Mar 10 2018 1:24 PM UTC

}// 140/140

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sawaxon

function u(t) {

c.width|=0;x.fillRect(99,410,1739,400);x.fillStyle='#fff';x.font='290px a';h=Date();i=15;while(i--)x.fillText(h[i+15],i*200,740+T(t/2*-i/2))

Mar 10 2018 12:04 PM UTC

}// 140/140

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sawaxon

function u(t) {

n=S(t)*60;for(j=0;j<45;j++)for(i=0;i<45;i++,x.fillStyle='hsl('+S(i*(t/40))*255+',99%,'+S(j/9)*50+'%)')x.fillRect(i*60,40*j,60*i,60)

Mar 9 2018 12:14 PM UTC

}// 131/140

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sawaxon

function u(t) {

var z=100+(T(t/2)<0?S(t):S(-t))*500;
x.fillStyle='hsl('+Math.round(S(t)*255)+',100%,50%)'
x.fillRect(700+S(t)*z,500+C(t)*z,100,100)

Mar 8 2018 7:21 PM UTC

}// 131/140

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ben

function u(t) {

function v(a,b,g,r){if(r>1){x.fillRect(a+=r*S(g),b-=r*C(g),2,2)
v(a,b,g-1+C(t),r*=.7)
v(a,b,g+.5+S(t),r)}}c.width=500
v(250,270,0,80)

Dec 28 2017 9:28 PM UTC

}// 133/140

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Show more comments…
u/Xen

LOVE IT!
u/ben

trying to make a swaying tree but requires too many characters to draw the branches
u/Xen

join the chat and show your code... :-)
u/sigveseb

Very good!
u/itsjustmustafa

recursive functions in under 140, love it!
u/Bendoman

Best thing on here by far.
u/FrankMoren27

awesome
u/iverjo

#recursive
u/lionleaf

#fractals
u/vain

incredible

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