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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rodrigo.siqueira

remix of d/21285 by u/pserafini

function u(t) {

c.style.filter=`sepia()invert(`
X=A=Y=C(t*9)*2-1
for(i=2e3;i--;x.fillRect(C(X+t)*960+960,C(Y+t)*540+540,1.5,1))
X=X*X-Y*Y+(Y=2*Y*X+A,A)

Jan 16 2021 4:20 PM UTC

}// 135/140

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Milky way with neighboring galaxies (night photography, long exposure) #stars

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Xen

remix of d/27507 by u/deobfuscate

function u(t) {

x.fillRect(t*1e3%1e3,(t*1e3)%13e2,1E3,1E3,x.globalCompositeOperation='xor')

May 11 2023 12:57 AM UTC

}// 75/140

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golf n play

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wpower3

remix of d/21070 by u/wpower3

function u(t) {

Z=20+t;W=1920/Z;for(n=0;n<W*1080/Z;n++){j=n/W;i=n%W;if(Math.random()>.9999)x.fillRect(i*Z,j*Z,Z,Z,x.fillStyle=R(255*(1-i/W),255*i/W,0))}

Dec 27 2020 12:53 AM UTC

}// 137/140

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Adding the +t to the 'scale' every call, and upping the threshold for drawing causes some cool effects as the image fills in.

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serj

remix of d/6639 by u/21medals

function u(t) {

for(c.width|=i=111;i--;x.ellipse(960,r=540,S(t+S(t/9*i))*r/2+r/2,r,.2618*i,0,6.283),x.fill())x.beginPath(),x.globalCompositeOperation="xor"

Feb 2 2018 3:48 PM UTC

}// 139/140

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Niklas

function u(t) {

c.width|=0;
				cH=c.height/2;h=cH/2;
				for(i=0;i<c.width;i++){
					y=cH+S(i*t/10)*h;
					x.lineTo(i,y);
				}
				x.stroke();

Feb 22 2017 3:59 PM UTC

}// 130/140

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jylikangas

function u(t) {

eval(unescape(escape`昽洽㹛ㄲ㘹㔴〬㐷㄰㌰㔬ㄵ㐸〶㥝孪㸾㕝⭴┲☱㰼椦♸孆崨樥ㄶ⨱ㄫ洪椥㐫⡴☷⤬䨪㤭⡩㸾㈩ⴲⱪ⼷〬ㄩ㭦潲⡣⹷楤瑨㵪㴱㌵㭪ⴭ㭸孆㴧晩汬剥捴❝⠴㔫⡊㵪㸾㐩⨵⭓⡴⤪㤬㘳ⰲⰹ⤩景爨椽㈳㭩ⴭ㭦⠭ㄩ⥦⠱⤻`.replace(/u(..)/g,"$1%")))

Nov 22 2018 1:05 PM UTC

}// 140/140

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#default Invaders

u/magna

OH WOW
u/katkip

wait what?
u/katkip

that's awesome
u/aleamb

love it!
u/joeytwiddle

#game #tribute

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cantelope

function u(t) {

cx=(c.width|=0)/2,cy=340
for(i=99;i--;)for(j=59;j--;)X=i/2-25-C(t)*2,Y=3+S(i/5)*S(j/5+t*3),x.fillRect(cx+1/j*X*cx,cy+Y/j*cx,s=99/j,s)

Apr 22 2017 6:28 PM UTC

}// 133/140

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u/innovati

🌊🏄
u/joeytwiddle

Beautiful
u/cantelope

innovati, i can't tell what those emojis are. lel.
u/Renaud___

great

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BackendForth

function u(t) {

x.fillRect(0,0,1920,1080)
for(i=p=999;i>-p;i--)for(k=j=(p-i*i)**.5;j>-k;j--)if(i*C(t)+(k*k-j*j)**.5*S(t)>-3)x.clearRect(960+i*9,540+j*9,9,8)

Mar 23 2021 1:33 AM UTC

}// 140/140

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u/Qwitter

I cant believe I stared at this for four months
u/Qwitter

(nice!)

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Maxzilla

function u(t) {

c.width=1920;h=200;b=50
x.fillRect(1920/2-b,1080-b+(-Math.abs(S(t)*900)),b,b)

Dec 29 2017 4:20 PM UTC

}// 77/140

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aemkei

remix of d/29313 by u/KilledByAPixel

function u(t) {

x.clearRect(0,0,z=60,z)
x.fillText(s=String.fromCharCode(t*=z),20,30)
x.getImageData(a=0,0,z,z).data.map(b=>a+=b)
x.fillText(s,t/10,9+a/9)

Jan 12 2024 10:05 PM UTC

}// 138/140

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