Dweets awesomed by u/danny@hille.dk

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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danny@hille.dk

function u(t) {

for(k=i=60,t*=k,r=t%576|0?new Date%2:c.width|=0;i--;)x.fillRect((r?i:k-i)+t%32*k,i+k*(t/32%18|0),9,9)

Jul 9 2020 1:58 PM UTC

}// 101/140

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My take on: "10 print" #maze

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donbright

remix of d/19337 by u/danny@hille.dk

function u(t) {

x.globalAlpha=.02
x.fillRect(0,0,w=2e3,w)
for(i=500;i--;
){
s=128*(S(t*i/99-S(t)*8)*S(t)+3)
x.clearRect(S(t)*S(i)*s+1e3,C(i)*s+540,9,9)
}

Jul 7 2020 1:32 AM UTC

}// 138/140

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danny@hille.dk

function u(t) {

for(c.width=i=400;i--;s=30*(S(5*i-S(t)*8)*S(t)+3),x.fillRect(S(i)*s+200,C(i)*s+120,4,4));

Jul 6 2020 4:05 PM UTC

}// 89/140

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Hugo Elia's flowfire "fire flower" routine: https://web.archive.org/web/20160418004150/h…

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rodrigo.siqueira

remix of d/19239 by u/rodrigo.siqueira

function u(t) {

for(i=2e3,f=(X,a=0,b=0,n=22)=>a<n?f(X,S(a*a)-b*b+X,2*a*b+t/3-2,n-1):x.fillStyle=`hsl(0 50% ${n*n}%`;i--;x.fillRect(i,90*t,1,999))f(i/400-2)

Jun 26 2020 8:23 PM UTC

}// 139/140

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Mandel bug antennas #mandelbrot

u/Xen

Sexy!

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robbyg

function u(t) {

for(s=24,H=80;H--;)for(V=45;V--;x.fillRect(H*s,V*s,s,s))x.fillStyle=C(V-t*9)>C(V*H)?'#7be':'#36c'

Jun 24 2020 6:33 PM UTC

}// 97/140

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Reminds me of an 8-bit waterfall.

u/Xen

love it!
u/aleamb

#waterfall

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bandaloo

remix of d/19215 by u/bandaloo

function u(t) {

for(i=2e3;i--;x.fillStyle=`hsl(${i/9+99*C(t)},90%,${20*~~(1+S(i/20)+T(t+S(t+i/99)))}%`)x.fillRect(i,0,1,1);x.drawImage(c,0,1)

Jun 23 2020 1:06 AM UTC

}// 125/140

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goo hills

u/Xen

love you style!!!
u/joeytwiddle

#paint
u/magna

Neat!

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katkip

remix of d/19192 by u/katkip

function u(t) {

f=(x,y,n=20)=>n>0?f(2*x*y-.1,.7-y*y+x*x,n-.5):x
q=x=>S(x);for(i=3999;i--;)f(X=q(i*t+t/9)*2,Y=q(i*t)*4)?x.fillRect(Y*540+960,X*540+540,3,3):0

Jun 19 2020 1:37 PM UTC

}// 140/140

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my second julia-like fractal made from scratch o_O #slowrender #julia #fractal

u/katkip

i discovered a short rendering method
u/katkip

q=x=>S(x) was initially a random function between -1 and 1

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ntsutae

function u(t) {

c.width=96,t*=30
for(i=96;--i;)for(j=54;--j;){
n=(S((t+i)/19)*2-C((t-j)/17)*3);
n=i^(i-n)|j;n%5&&x.fillRect(i,j,1,1)}

Jun 17 2020 10:13 PM UTC

}// 117/140

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Super Mario Level 99

u/katkip

looks like a factory

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tomxor

remix of d/19162 by u/katkip

function u(t) {

f=(x,y,n)=>n?f(S(x*2+t)-C(y*2-t),C(x*2-t)-C(y*2+t),n-1):S(x+y)
for(c.width=160,i=24e3;i--;)
x.fillRect(X=i&255,Y=i>>8,1,f(Y/64,X/64,5))

Jun 17 2020 3:48 PM UTC

}// 135/140

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Liquid Metal

u/tomxor

I wanted to see it move O_O this function is pretty cool katkip
u/katkip

Thx :)

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pavel

remix of d/10873 by u/yonatan

function u(t) {

for(i=0;Y=i>>5,Y<35;x[o?'clearRect':'fillRect'](0,!x.setTransform(4>>o,-o,2*o,2-o,j%T-Y%2<<6,Y*T+T*S(j*j+9*t)*S(t)**9),T=32,T))o=i%2,j=i++-o

Jun 16 2020 9:14 PM UTC

}// 140/140

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#beesandbombs #uncompressed

u/BuRRak

I love it
u/aleamb

LOVE IT!!!

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