Dweets by u/erin

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: #ScaryMovies

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erin

remix of d/23463 by u/rodrigo.siqueira

function u(t) {

for(c.width=w=512,d=new ImageData(w,w),m=w*w,i=-1;m--;d.data[i+=2]=T(Y/r-t*9|X/r)*w)r=((X=m%w-99)*X+(Y=m/w)*Y+i*9)/5e4
x.putImageData(d,0,0)

Aug 4 2021 3:07 AM UTC

}// 140/140

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stereoscopic city flyover

u/erin

this isn't actually stereoscopic

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erin

remix of d/23284 by u/erin

function u(t) {

c.style.filter=`blur(2px)contrast(9)invert(`
for(p=710,i=c.width|=f=g=>99*g(i/5*p)+(134+15*C(i))*g(i/8+t);i--;)x.fillRect(p+f(C),p+f(S),9,9)

Jul 3 2021 10:03 PM UTC

}// 140/140

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golf and invert

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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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erin

remix of d/13906 by u/KilledByAPixel

function u(t) {

f=(s,w,o)=>(m=(S(i*Z+s)*233*t%w)%w,m)
for(c.width|=i=Z=e=999;i--;)x.fillRect(f(1,e,Z),f(2,e,Z),9,9)

May 31 2021 1:47 AM UTC

}// 99/140

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dot dance

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erin

remix of d/22898 by u/KilledByAPixel

function u(t) {

!t&&document.write`impostor <input type=div style=width:3em;border-radius:3em;background-color:black>`

May 30 2021 1:06 AM UTC

}// 102/140

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erin

remix of d/2720 by u/FireFly

function u(t) {

c.width|=0,x.font='4in a';for(x.fillText("🚗",Y=A=500,400);Y--;)x.drawImage(c,0,Y,2e3,1,S(Y/20+t*10)*20,Y+t*200%1e3,2e3,100)

May 27 2021 1:00 AM UTC

}// 123/140

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Car 2.0, instead of using wheels it extrudes a block of car and wiggles

u/tomxor

Shut up and take my money!

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erin

remix of d/22844 by u/erin

function u(t) {

t*=w=3e3
with(x)for(j=2;j--;beginPath(fill()))for(i=w;i--;arc(t*9%w,t,t?j?60+S(i/14)*30:9:w,a=i/99,a))fillStyle=R(t*w,w,j*w)

May 23 2021 1:42 AM UTC

}// 124/140

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golf to 124

u/erin

less pretty, but w/e

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erin

remix of d/22839 by u/KilledByAPixel

function u(t) {

t*=w=1e3
with(x)for(j=2;j--;beginPath(fill()))for(i=w;i--;arc(t*50%2e3,t,t?j?60+S(i/14)*30:19:1e4,a=i/99,a))fillStyle=R(t*w,210,j*w);

May 22 2021 1:12 AM UTC

}// 133/140

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Daisy Field

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erin

remix of d/10794 by u/jylikangas

function u(t) {

for(c.width=i=v='-1';i++<7;v+=1)x[f='fillText'](`U`+v*.5,173-i*5,i*9),x[f](8,X=99-T(i*i+t/i)*99,345-X*2),x.fillRect(i*39,99+S(t+i)*9,39,1e3)

Apr 29 2021 7:21 AM UTC

}// 140/140

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i tried to make a waterpark but ended up just making the slide to lava in Hell.

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erin

function u(t) {

x.fillRect(960+S(t)*99,540+S(t+1.57)*99,9,9)

Apr 12 2021 3:30 PM UTC

}// 44/140

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who needed cosine anyway

u/erin

#circlechallenge
u/KilledByAPixel

you can also do +11
u/pavel

Who needs cosine OR sine? [X,Y]=t?[.995*X+Y/10,.995*Y-X/10]:[0,99];x.fillRect(960+X,540+Y,9,9)

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