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: #Opposites

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LimeLaser

function u(t) {

y=2.2
f=60*t|0
v=f/480
e=f%2
r=(1-v)**(1/y)**e
g=v**(1/y)**e
x.fillStyle=`RGB(${255*r},${255*g},0)`
x.fillRect(4*f,540*e,8,500)

Jul 21 2021 11:45 PM UTC

}// 127/140

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Linear RGB vs "sRGB" Color Interpolation (with adjustable gamma, y)

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rodrigo.siqueira

remix of d/23361 by u/rodrigo.siqueira

function u(t) {

for(X=c.width=99;X--;)for(Y=99;Y--;x.fillRect(Y,X*(X%2-.5)+40,1,1))
o=255-X*Math.hypot(X-35+S(t*26)*9,Y-t%3*55+11),x.fillStyle=R(o*3,o,X)

Jul 21 2021 12:21 PM UTC

}// 137/140

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Bouncing ball reflection #ball

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rodrigo.siqueira

remix of d/23349 by u/rodrigo.siqueira

function u(t) {

t=C(t)*2+9
for(X=c.width=99;X--;)for(Y=99;Y--;x.fillRect(Y,X,1,1))
o=255-X*S(X/15)*Math.hypot(X+S(t*2)*60,Y-t*5),x.fillStyle=R(K=o*3,K/3,X)

Jul 20 2021 12:27 PM UTC

}// 139/140

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Surface swapping #ball

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danny@hille.dk

remix of d/23359 by u/danny@hille.dk

function u(t) {

for(i=240;i--;x.fillRect(i%16*120+35*C(t*3+i),(i>>4)*67+35*S(t*5-i),9,9))x.fillStyle=R(f=T(t+i)*99,T(t)*f,f)
x.drawImage(c,-40,-40,2e3,1180)

Jul 20 2021 11:37 AM UTC

}// 140/140

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Hmmmm... remix

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danny@hille.dk

remix of d/23343 by u/danny@hille.dk

function u(t) {

for(c.width=i=192;i--;)for(p=9;p--;)('༏ఃࠁࠁϼݮ୭෻ง෻ਅ۶ࡡඛ๧'.charCodeAt(Y=i%16)>>(X=i>>4))%2||x.fillRect(p*18+X+18,Y*(s=2*S(3*t+p))+s*9+60,1,s)

Jul 17 2021 2:46 PM UTC

}// 138/140

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Kids on swings remix "weeee!"

Show more comments…
u/danny@hille.dk

I was trawling the interwebs for fun and leisure and found this sprite sheet http://legacy.gamebuino.com/forum/viewtopic.… and of course i thought of dwitter :-)
u/donbright

wow amazing encoding
u/danny@hille.dk

Thanks mate, I didn't really know how the encoding was done, so i came up with this solution function makeMagicString(data, width){ let buf = ''; let str = '' data.forEach((o,i)=>{ if(i%width===0 && i){ str += String.fromCharCode(parseInt(buf,2)); buf = ''; } buf += o?1:0; }) str += String.fromCharCode(parseInt(buf,2)) return str; }
u/danny@hille.dk

where data is an array of 1 and 0 ex: [0,0,0,0,0,1,1,1,1,1,0,0,0,0,0, 0,0,0,1,1,1,0,0,0,1,1,1,0,0,0, 0,0,1,1,1,1,0,0,0,0,1,1,1,0,0, 0,1,1,1,1,0,0,1,1,1,0,1,1,1,0, 0,1,0,0,0,0,1,1,1,1,1,0,1,1,0, 1,0,1,1,0,0,0,1,1,1,0,0,0,0,1, 1,1,1,1,1,0,0,0,0,0,0,0,0,1,1, 1,0,1,1,0,0,0,0,0,0,0,0,1,1,1, 1,0,0,0,1,1,1,1,1,1,1,0,0,1,1, 0,1,1,1,0,0,1,0,1,0,0,1,1,1,0, 0,0,1,0,0,0,1,0,1,0,0,0,1,0,0, 0,0,0,1,0,0,0,0,0,0,0,1,0,0,0, 0,0,0,0,1,1,1,1,1,1,1,0,0,0,0]
u/danny@hille.dk

I know it's not the most elegant solution, but I stick to the mantra "If it works, it aint stupid" :-)
u/danny@hille.dk

#pixelart

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danny@hille.dk

function u(t) {

for(c.width=i=192;i--;)for(p=9;p--;)('༏ఃࠁࠁϼݮ୭෻ง෻ਅ۶ࡡඛ๧'.charCodeAt(Y=i%16)>>(X=i>>4))%2||x.fillRect(p*18+X+99*S(t)+18,40+Y*2,1,2)

Jul 17 2021 2:38 PM UTC

}// 129/140

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#default kid #sprite

u/danny@hille.dk

#pixelart

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KilledByAPixel

function u(t) {

t*=60
for(i=40;i--;x.arc(60+t%16*120,60+(t>>4)*120,S(s)*30+30,a=1.57+(S(s*s)*99+99)*(i<20?1:-1),a))s=i%20*(t+1)
x.beginPath(x.fill())

Jul 5 2021 12:41 AM UTC

}// 133/140

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Alien Spacecrafts 🛸

u/rep_movsd

Klingon
u/vain

incredible procedural alien spacecrafts! fucking cool

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pavel

remix of d/21217 by u/tomxor

function u(t) {

c.style='filter:invert(';for(i=9;i;X-=C(a),Y+=S(a))u++<2e3?(X/49^Y/49+42)%15>1?x.fillRect(X,Y,.2,.2):a=u*t:X=540+--i*S(a=u=t/i,Y=540+i*C(a))

Jul 3 2021 7:06 PM UTC

}// 140/140

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pavel

remix of d/21304 by u/tomxor

function u(t) {

c.style='filter:invert(';for(i=9;i;X-=S(a)/25,Y+=C(a))u++<2e3?X/17|Y/99-5.5|X+17&2?x.fillRect(960+25*X,Y,.1,.2):a=9*t:X=C(u=t,Y=a=t/i--%2-1)

Jul 3 2021 5:23 PM UTC

}// 140/140

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u/tomxor

Nice! you managed to keep it inverted!
u/erin

insane!
u/aleamb

#default #uncompressed #globalillumination

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erin

remix of d/23273 by u/pavel

function u(t) {

c.style.filter=`blur(2px)contrast(99`
for(p=710,0,i=c.width|=f=g=>99*g(i/5*p)+(134+15*C(i))*g(i/6+t);i--;)x.fillRect(p+f(C),p+f(S),9,9)

Jul 3 2021 5:09 AM UTC

}// 135/140

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otherworldly flower

u/aleamb

#organic #flower

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