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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ben

remix of d/4348 by u/lowpoly

function u(t) {

c.width^=0
x.globalCompositeOperation='xor'
for(p=2e3;p--;)d=p/300+1,x.fillRect(-99+(p+99*(t+5E4)*d)%2E3,(""+p*S(p)/9).substr(5,3)*2,d*=d,d)

Dec 30 2017 9:06 PM UTC

}// 140/140

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u/sigveseb

Tasteful use of xor!
u/New_Core

same effect can be done shorter with x.rect and x.fill('evenodd')

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New_Core

function u(t) {

for(c.width|=i=58;i--;x.lineTo(-300+a*S(b-1)+q%2600,1400+a*C(b-1)-q/2%1700))q=S(t)*99+t*99,a=99*S(-t+C(b=i/9)+20**C(b))+200
x.fill()

Jul 21 2019 7:56 PM UTC

}// 132/140

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wait for something to swim by..

u/DataMeta

#organic
u/KilledByAPixel

🐙
u/13thptr

#jellyfish ?
u/katkip

#cute
u/joeytwiddle

Very good #fish Interesting head -> leg trick

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recursive

remix of d/2176 by u/scottglz

function u(t) {

w='#fff'
for(X=71;X--;)for(Y=39;Y--;x.fillRect(X*25,Y*25+C(X/2-t)*9,25,25))x.fillStyle=X<24&Y<21?Y%2|X-Y&3|!X|Y%20<1?'#00f':w:Y/3&1?w:'red'

Mar 18 2017 5:30 PM UTC

}// 139/140

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u/joeytwiddle

#flag

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winzlo

function u(t) {

eval(unescape(escape`愽琥㘻琿挮潮浯畳敭潶攽⡥⤽㹻੘㵥⹸㭙㵥⹹㭺㴲攳㭸⹣汥慲剥捴⠰ⰰⱺⱺ⤻景爨椽㌻椼㐻椫㴮〱⥸⹢敧楮偡瑨⡸⹭潶敔漨堬天ⱸ⹬楮敔漨堫稪䌨椫愩ⱙ⭺⩓⡩⭡⤩ⱸ⹳瑲潫攨⤩紺挮睩摴栽楮湥牗楤瑨`.replace(/u([^D].)/g,'$1%')))

Dec 16 2024 5:47 AM UTC

}// 139/140

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moving rotating ray cast flashlight

u/cantelope

neat

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asteriskman

function u(t) {

c.width|=0
for(i=0;i<999;i++)
x.fillStyle=`hsl(${180*S(i)+180},99%,50%`,
x.fillRect(960+i*S(i*t/39),i,30,30)

Oct 23 2019 2:56 PM UTC

}// 108/140

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Paulwhoisaghost

remix of d/25123 by u/juanmar0driguez

function u(t) {

if(t<=3.14*8){e=c.width/2;y=c.height/2;a=500;u=6;;x.beginPath();x.moveTo(e+C(t*u)*y,y*(1+S(t)));x.lineTo(e+C(t)*a,y+S(t)*a);x.stroke();}

Mar 30 2023 4:47 AM UTC

}// 136/140

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if(t<=3.14*8){e=c.width/2;y=c.height/2;a=500;u=6;;x.beginPath();x.moveTo(e+C(t*u)*y,y*(1+S(t)));x.lineTo(e+C(t)*a,y+S(t)*a);x.stroke();}

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sawaxon

function u(t) {

v=Math.ceil((t+0.01)/1.7);x.fillStyle=`hsl(${S(v+1)*255},99%,50%`;x.fillRect(v*120+S(t*4)*100+C(t*4)*59,v*99+C(t*4)*59,S(t)+9,S(t*99)*9+8)

Oct 1 2019 4:24 PM UTC

}// 138/140

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prawnwarp

function u(t) {

c.width|=0;for(i=0;i<1920;i+=64){for(j=0;j<1080;j+=64){x.fillStyle=`hsla(${i*j},50%,50%,.3)`;s=S((t*j*.01+i))*64+64;x.fillRect(i,j,s,s);
}}

Apr 21 2017 1:53 PM UTC

}// 139/140

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u/magna

So pretty!
u/cantelope

you can omit the closing parenthesis for hsla and save 1 delicious byte :)
u/donbright

man this is nice

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stxxl

function u(t) {

c.width=1920;for(i=1;i<=50;i++){ a=(3.14*2/50)*i; p=300.0/(300.0+500+S(t*2+a)*500); x.fillRect(960+C(t*2+a)*500*p,540+i*5*p,20,20);}

May 2 2018 12:44 AM UTC

}// 132/140

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Xen

remix of d/19876 by u/rodrigo.siqueira

function u(t) {

for(c.width|=i=250;x.beginPath(),i--;x.fillStyle=`hsl(${i+t*567} 99%50%)`,x.fill())x.arc(960+9*C(a=i*t/7)*(k=1.023**i),540+9*S(a)*k,k,0,i)

Sep 8 2020 10:15 PM UTC

}// 138/140

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had to #Xweet

u/rep_movsd

Hypnotic
u/Xen

Didn't fullscreen while remixing but i'm happy with the result i must say
u/derder56

MY EYES HURT but it's still really good