Dweets awesomed by u/robbyg

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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rodrigo.siqueira

remix of d/13644 by u/rodrigo.siqueira

function u(t) {

c.width|=0
for(i=4e3,w=960;i--;x.fillRect(w+w*X/Z,w*Y/Z,s=20/Z/Z,s))X=C(s=i/200)*C(K=i/(10**-(~(t/3)%6))+t/3),Y=C(s)*S(K)-1,Z=S(i)*C(t)/2-2

May 6 2019 1:19 PM UTC

}// 139/140

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Demo of 3D objects #d3

u/iverjo

Nice!
u/iverjo

I like that it alternates between different 3D objects

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pavel

function u(t) {

f=(a,b,w,h,i=h>1&&9)=>{for(;i--;)i-4?f(a+(i/3|0)*w,b+i%3*h,w/3,h/3):x.fillRect(a+w,b+h,w,h,x.fillStyle=R(a/3,b/4,h))}
t||f(0,0,640,360)

May 3 2019 11:22 PM UTC

}// 135/140

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#sierpinski #carpet #fractal

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pavel

function u(t) {

c.width|=0;for(let i=4e3,X=Y=Z=w=960;i--;x.fillRect(w+w*X/z,w*Y/z,s=64/z/z,s))a=i**t%5/.64,b=!!a,X=X/2+b*S(a+t),Y=Y/2+b,Z=Z/2+b*C(a+t),z=4+Z

May 2 2019 7:40 PM UTC

}// 140/140

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#sierpinski #pyramid #waitforit #chaosgame

u/pavel

#d3 #perspective
u/Jezza

I really like this!
u/jylikangas

Great! And with performance optimization. :)
u/katkip

UFO :))

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rodrigo.siqueira

remix of d/13594 by u/robbyg

function u(t) {

c.width|=v=500
x.fillRect(0,0,W=2e3,W)
with(x)fillStyle='#fe0',moveTo(h=t*v%W,v),clearRect(v+h/1.4,v,80,30),fill(arc(h,v,99,a=S(t*9)**2,-a))

May 2 2019 7:12 PM UTC

}// 140/140

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Pac-man eating a pellet (pac-dot) #pacman

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rodrigo.siqueira

remix of d/13592 by u/rodrigo.siqueira

function u(t) {

x.beginPath(x.globalAlpha=.08)
if(t<188.5)for(i=9,j=.1,X=960,k=Y=550;k/=1.4,i--;j*=-6)X+=S(f=t*(j-.2)/3)*k,x.lineTo(X,Y-=C(f)*k);x.stroke()

May 2 2019 6:49 PM UTC

}// 139/140

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Echinoid 7-Symmetry - It needs to run for PI minutes (188.5 seconds) to complete.

u/Jezza

#worththewait
u/DataMeta

That is quite beautiful

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pavel

remix of d/13590 by u/katkip

function u(t) {

x.fillRect(t%1*3e3,~~t*50,s=3**t&4?50:5,55-s)

May 2 2019 6:30 PM UTC

}// 45/140

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45 byte #maze

u/rodrigo.siqueira

See the PDF book about ASCII maze here: https://10print.org/x , it is about the one liner maze which code is just; 10 PRINT CHR$(205.5+RND(1)); : GOTO 10
u/katkip

Wow, it got golfed so much...
u/pavel

42: x.fillRect(t%1*3840,t<<6,s=9**t&64|6,76-s)

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robbyg

remix of d/13594 by u/robbyg

function u(t) {

c.width|=0
p=1.57
with(x)for(h=170,w=120;h--;)v=~~(h/17),beginPath(),moveTo(H=h%17*w,V=v*w),fill(arc(H,V,60,a=t+h%2*p+v%2*p*2,p*3+a))

May 2 2019 5:52 PM UTC

}// 133/140

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Synchronized pacpersons.

u/robbyg

Inspired by https://twitter.com/joey_aronson/status/1112…
u/katkip

no nazi lmao
u/Xen

love it!

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robbyg

remix of d/8613 by u/robbyg

function u(t) {

c.width|=0;v=500;with(x)fillStyle='#fe0',moveTo(h=t*v%2e3,v),fill(arc(h,v,99,a=S(t*9)**2,-a))

May 2 2019 2:03 PM UTC

}// 93/140

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Golfed my previous #pacman down by 36 bytes!

u/Xen

nice! 90b: c.width|=v=500;with(x)fillStyle='#fe0',moveTo(h=t*v%2e3,v),fill(arc(h,v,v,a=S(t*9)**2,-a))

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rodrigo.siqueira

remix of d/13592 by u/rodrigo.siqueira

function u(t) {

x.beginPath(x.globalAlpha=.14)
if(t<188.49)for(i=9,j=.1,X=960,k=Y=580;k/=2,i--;j*=-4)X+=S(f=t*(j+.5)/3)*k,Y-=C(f)*k,x.lineTo(X,Y);x.stroke()

May 2 2019 1:33 PM UTC

}// 140/140

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Super folded pentagon #epicycles #fractal #spirograph - slow but high quality

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katkip

function u(t) {

t||(i=-1,j=0);C(i*j*t)<0?x.fillRect(i*50,j*50,50,5):x.fillRect(i*50,j*50,5,50);i++;if(i>37)j++,i=-1;

May 2 2019 11:05 AM UTC

}// 100/140

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100 bytes #maze

u/Xen

t||(i=j=-1,z=50);C(i*j*t)<0?x.fillRect(i*z,j*z,z,5):x.fillRect(i*z,j*z,5,z);i++;if(i>37)j++,i=-1

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