Dweets awesomed by u/13thptr

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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pavel

function u(t) {

for(i=c.width|=0;i--;x.fillRect(960+200*(r*C(a=i*o/300)-4*o+3),540+200*((1-o)*S(i)*C(b=o*1.6)-r*S(a)*S(b)),8,8))o=t/3%1,r=(1-o)*C(i)+3*o-4

May 30 2019 4:25 AM UTC

}// 138/140

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#torus #loop

u/katkip

#beesandbombs

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robbyg

function u(t) {

c=t?c+4:1;throw p=(t?p:0)+4/c-4/(c+2)

May 29 2019 5:22 PM UTC

}// 37/140

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Calculating #pi based on a formula I found in a Commodore 64 manual. Googling says it's the Gregory-Leibniz series.

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pavel

remix of d/14251 by u/pavel

function u(t) {

for(i=Math.min(9*t|0,336);i--;x.fillRect(0,0,42,42))o=i%4,p=i%2,x.setTransform(o-1?-1-p:1+p,o-3?2*p:-2*p,2-2*p,2-p,i%48*42-42,(i/48|0)*168)

May 29 2019 4:46 AM UTC

}// 139/140

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New_Core

function u(t) {

for(c.width|=q=i=300;i--;x.fillRect(i,0,9,30))x.fillStyle=`hsl(${v=i+t},99%,50%)`,x.setTransform(a=C(v),b=S(v),a,-b,q*i%2e3,-q+v/6*q*5%2e3)

May 23 2019 2:43 PM UTC

}// 139/140

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konfetti =)

u/Xen

nicely done
u/katkip

#particles
u/username

confetti?

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KilledByAPixel

function u(t) {

for(i=1;i<500;x.fill(p=new Path2D(),p.ellipse((S(i)*1e9+t*i)%3e3-499,i*99%1080,q=1e4/i,q,i,0,i++-1?4+4*S(9*i+t):7)))x.fillStyle=R(i/2,i,i*4)

May 22 2019 4:23 AM UTC

}// 140/140

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Circle Factory

u/donbright

love it, reminds me of Chahi's Another World
u/joeytwiddle

Nice #abstract art and I like the #colors

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pavel

function u(t) {

for(c.width|=t%=i=6;i--;x.lineTo(960+1e3*X*C(A)/z,3e3*(1+t/6-S(a))/z))X=3*C(a=i%2*3.142/(1+1e4**(i-t)))-1,z=6+t+X*S(A=(i+t/4)/.477);x.fill()

May 21 2019 9:58 AM UTC

}// 140/140

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Let's see what unfolds

Show more comments…
u/jylikangas

Clever!
u/katkip

im shocked #genius
u/aleamb

wow!
u/donbright

so great
u/eph_aim

beautiful!
u/katkip

#infinite #loop
u/magna

#pavel
u/KilledByAPixel

Perfect loop 60 fps #GIF for you https://imgur.com/gallery/5kY1gNX
u/Ath0r

just wow
u/artfarnaa

Best dwitter

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marc8

remix of d/14032 by u/marc8

function u(t) {

with(Math){a=-t;b=t;f=X=>1/cosh(X)
w=c.width|=p=i=0
s=w/frame
for(k=(b-a)/w;p<w;)x.fillRect(p+=s,q=w/4,s,-q*(y=f(a+k*p)),i+=k*s*y)
throw(i)}

May 21 2019 7:18 AM UTC

}// 140/140

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Infinity integration limits: use ±t for ±∞. Convergence not guaranteed.

u/13thptr

great
u/13thptr

#math

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KilledByAPixel

function u(t) {

E="''";for(i=8;--i;)E=`localStorage.Q${i}+`+E
eval(unescape(escape(eval(E)).replace(/u(..)/g,"$1%")))

May 20 2019 8:11 PM UTC

}// 101/140

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♛ QUEEN'S GAMBIT ♛ - You may need to go to d/14031, and scroll down and up until the game starts (may take 7 times). Arrow keys move. Mouse aims. R restarts. God save the Queen! #Game

u/KilledByAPixel

#queensgambit

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Jezza

remix of d/13980 by u/Jezza

function u(t) {

t||x.translate(w=960,h=540)
x.drawImage(c,0,0,(z=S(t)/4+1.75)*w,z*h)
x.fillStyle=R(a=S(t)*157+99,a,a)
x.fillRect(0,0,2*w,5)
x.rotate(2.096)

May 19 2019 8:34 AM UTC

}// 140/140

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u/joeytwiddle

Wow! #kaleidoscope #fractal #flower

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pavel

function u(t) {

for(i=c.width|=0,s=120;Y=--i>>4;x.fillRect(0,-60,s,s))x.setTransform(1,0,C(o=(S(e=S(d=S(b=S(t-=170)+t)+b)+d)+e)/4+.78)/4,S(o),i%16*s,s*Y-60)

May 18 2019 5:20 AM UTC

}// 140/140

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u/katkip

This is nice

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