Random dweets | Dwitter

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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rsc

remix of d/29671 by u/rsc

function u(t) {

h=216;for(c.width|=i=0;i<9;i++)for(j=-1;j++<5;x.fillStyle=`hsl(${i*20+t*h},${(j+1)*15}%,50%)`)x.fillRect(i*h,(j-1)*h,h,h)

Jun 16 2024 8:42 PM UTC

}// 121/140

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Shaved 10 bytes

u/magna

-23: d/32038

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pavel

function u(t) {

for(d=t<8,n=i=256;i--;x.fillRect(d?9*i:855+n*i*(i<2),!d*300,50,d?4:50))x.fillStyle=R(C((t|Math.abs(i-107))**.5*t)<0&&n)
x.drawImage(c,0,d*4)

Nov 12 2018 3:19 AM UTC

}// 140/140

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Demon

Show more comments…
u/magna

Amazing!
u/iverjo

Spot on!
u/katkip

nice idea
u/ndr3w221

this is awesome!
u/and3k5

i did not expect the last bit! scary!
u/aleamb

great! #waitforit
u/lionleaf

Amazing #demon

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prplz

remix of d/7213 by u/prplz

function u(t) {

for(X=64;X--;)for(q=Y=32;Y--;x.fillRect(X*q,Y*q,q,q))x.fillStyle=R(0,S(q*X*C(t/7)+Y*S(t))*210)

Oct 14 2019 3:24 AM UTC

}// 94/140

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taupelink

remix of d/31987 by u/taupelink

function u(t) {

g=n=>(((X/n%6-3)**2+(Y*n/4%6-3)**2-j)**2-32)**2>>j&j*2-1;for(i=2e4;i--;x.fillRect(20*X,20*Y,t<8,g(j=6+i%3)+g(4/j)==g(2)))X=i*i*t%96,Y=X*i%54

Jun 13 2024 4:25 PM UTC

}// 140/140

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d/31990 Tiles with a little bit more of an organic feel 2

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Xen

remix of d/12646 by u/qm3ster

function u(t) {

t?x.filter=`hue-rotate(${t*=49}rad)`:x.strokeStyle='red'
for(x.beginPath(r=1e3);r--;)x.lineTo(--r*S(t*=.3)+S(t/9)*r+r,r*C(t)+r);x.stroke()

Sep 15 2020 11:16 PM UTC

}// 138/140

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playing #keepsgoing

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Xen

remix of d/3130 by u/3D.ceffo

function u(t) {

  for(c.width|=i=2e3;i--;)x.fillRect(i,i+i*C(i+t),t%9,C(t)*i/t)

Aug 30 2017 7:33 PM UTC

}// 63/140

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u/3D.ceffo

yes!
u/Xen

what squares? only lines ;-) hehehe
u/mmfun

really narwhalic!

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Xen

function u(t) {

x.fillRect(T(t)*1e3,T(t*t)*1e3,2e3,2e3)
x.fillStyle=`hsla(${t*2e3},90%,40%,.04)`

Sep 30 2018 6:19 PM UTC

}// 80/140

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doughno

remix of d/19471 by u/IV

function u(t) {

h=560
w=h*4
a=T(t+2)*99
P=T(t)*10+h
x.fillStyle=R(a,a/3,a,.05)
with(x)font="9cm a",fillText(w,P,P),fillStyle=R(h,h,h,3/h),fillRect(0,0,w,w)

Jul 29 2020 10:52 PM UTC

}// 140/140

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I wanted to make the trail fade away, but it only kinda worked, and I didn't have characters left for any relevant text.

u/Xen

had a quick play.... with(x)fillStyle=R(a=T(t+(h=560))*99,a/3,a,.05),font="9cm'",fillText(w=h*4,P=T(t)*9+h,P),fillStyle=R(h,h,h,4/h),fillRect(0,0,w,w)

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JoshiRaez

remix of d/4213 by u/JoshiRaez

function u(t) {

c.height=1600;
c.width=1500;
  for(i=0;i<10;i++){for(j=0;j<9;j++){
  x.fillRect(i*150, j*150, S(t*10)*150, C(t*10)*150);
}}

Dec 28 2017 1:42 PM UTC

}// 123/140

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TGY

remix of d/24118 by u/ciaccodavide

function u(t) {

for(c.width|=Y=68;Y--;)for(X=120;X--;x.fillRect(X*16+(m=C(d*d/t)*9),Y*16+m,w=9+2*C(t),w))x.fillStyle=R(d=5+Math.hypot(X-58,Y-34),3*d,6*d)

Oct 15 2021 8:43 AM UTC

}// 137/140

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#windows11 edition