Top dweets by u/Xen

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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Xen

remix of d/4214 by u/lowpoly

function u(t) {

(s=>{for(;a<2e3;a+=s)for(b=0;b<=1e3;b+=s)x.fillRect(a,b,s*C(b+t),s*S(a+t),x.fillStyle=`hsla(${(a+b)*S(t)},50%,50%,.1)`)})(a=48+C(t))

Dec 28 2017 12:16 AM UTC

}// 132/140

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Xen

remix of d/4132 by u/bkardon

function u(t) {

for(X=k=199;k--;x.fillRect(r*C(t-k)+960,r*S(t-k)+540,9,9))r=t*X*2%1e3,x.fillStyle=R(k,X*C(t*k/X)%X,X*S(t*9),.1)

Dec 27 2017 8:12 PM UTC

}// 111/140

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u/bkardon

Nice remix!
u/Xen

thank you, 15seconds+ to kick in, i always do slow ones :-P

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Xen

function u(t) {

t?x.drawImage(c,C(t),T(t)):c.width=333,x.fillText('Kipkat, stop copying peoples code & posting as your own!',30,99),x.fillStyle=R(t*2e3%246)

Dec 18 2017 5:36 PM UTC

}// 140/140

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Xen

function u(t) {

for(c.width|=i=189;i--;x.arc(970+C(i+t*13)*299,540+S(i+t*17)*289,129,0,7),
x.fill())x.beginPath(),x.fillStyle=R(Z=C(i-t*9)*199%255,0,-Z,.08)

Nov 21 2017 7:10 PM UTC

}// 140/140

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Maybe My Last Donut Dweet?

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Xen

remix of d/548 by u/BriSeven

function u(t) {

for(X=99,i=2e3;--i;x.fillRect(n*S(m)*X+1e3,n*C(m/X)*X+500,X,X))x.fillStyle=R((d=i%16*X)%256,d/9,d*t%256,.3),m=i*t/X,n=i/d*3

Oct 25 2017 10:09 PM UTC

}// 123/140

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Beware The Pyramid.

u/cantelope

@.@
u/Xen

another one that takes 15+seconds to start :-P

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Xen

function u(t) {

t?x[(c[p+=[-1,-v,1,v][d=c[p]-~d&3]]^=2)?"fillRect":"clearRect"](p/v|0,p%v,1,1):(p=d=6e3,c.width=130,v=99)

Oct 3 2017 9:22 PM UTC

}// 105/140

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not sure if someone from the team posted this already...

u/joeytwiddle

Not in 105 chars! Kalanchoe did Langton's Ant in 140: https://www.dwitter.net/d/1132
u/Xen

can do it in 103 by shaving |0 but just doesnt look right....
u/iverjo

Impressive!
u/alien

NOOO!!! you did and L system in 105 chars.. this brings shame to my java version T___T this is so awesome.
u/Xen

thanks :D

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Xen

remix of d/3228 by u/cantelope

function u(t) {

t?v=S(t*4):c.width=1e3
for(i=1e4;i--;x.fillRect(500+S(p=q*(t*v)+v)*q,290+C(p)*q,9,9))x.fillStyle=`hsla(${(t*2*(q=i/9))*C(t)},99%,40%,.2)`

Oct 3 2017 12:20 AM UTC

}// 137/140

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last one was broken for chrome users sorry... firefox auto-fix's a set alpha on hsl().

u/magna

Nice!
u/Xen

thanks :)

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Xen

function u(t) {

Z=4
for(Y=(X=(s=330)*2)/2,n=i=39;i--;X+=C(t)*n+s/n+6,Y+=S(t)*n+s/n+6)x.fillRect(X,Y,s*=.95,s),x.fillStyle=`hsla(${s*t*Z},99%,50%,.07)`

Sep 11 2017 8:44 PM UTC

}// 134/140

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Raise 'Z' as high as you dare...sit back and stare fullscreen.

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Xen

remix of d/3100 by u/New_Core

function u(t) {

for(c.width|=i=99;i--;)x.ellipse(X=540,X,t,i*C(t)+X,i*2.1,S(t),T(t))
x.stroke()

Aug 24 2017 5:17 PM UTC

}// 79/140

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u/donbright

seems like it could work with mouse input... not sure of the best way tho
u/donbright

very interesting rhythym
u/Xen

Mouse? Done! :-) #3135

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Xen

remix of d/3067 by u/tibbifox

function u(t) {

W=c.width=999;v=(X,Y,R)=>[S(Y+t)*C(X+t)*R+500,C(X/t)*C(t-Y)*R+250]
for(i=W;i--;x.lineTo(...v(S(t/W)*i/4,i,i*C(t/9))));x.stroke()

Aug 18 2017 4:45 PM UTC

}// 128/140

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