Dweets awesomed by u/recursive

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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Current theme challenge: #Opposites

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MrM@_S

remix of d/2678 by u/jczimm

function u(t) {

for(c.width=X=256;X-=2;)for(Y=148;Y-=2;x.fillStyle=`hsl(${A=(X*C(t)&Y^(t))&(Y*C(t)+X**S(t))},${A=A*t&50+25}%,${A}%`)x.fillRect(X,Y,2,2)

May 5 2017 5:44 PM UTC

}// 135/140

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jczimm

remix of d/2659 by u/MrM@_S

function u(t) {

for(c.width=X=256;X-=2;)for(Y=148;Y-=2;x.fillStyle=`hsl(${A=(X*C(t)&Y^(t))&(Y*C(t)+X**S(t))},${A=A*t%50+25}%,${A}%`)x.fillRect(X,Y,2,2)

May 5 2017 3:08 AM UTC

}// 135/140

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u/MrM@_S

Woah! Nice.

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keithclark

function u(t) {

for(a=c.width|=0,G=36,J=S(t)/4;a--;'p}¶¼<¼¶}p'.charCodeAt(Y*C(t)+G-X*J&15)>>(X*C(t)+Y*J+t*G)%15&1&&x.fillRect(X*G,Y*G,G,G))X=a%53,Y=a>>6

May 3 2017 1:26 PM UTC

}// 138/140

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fullscreen rotozoom

u/joeytwiddle

#spaceinvaders #rotozoom #alien
u/yonatan

3-char shorter transposed bitmap (just posting so I won't forget it): 'ĄǼͶ߿׽ԅØ'

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MrM@_S

remix of d/2643 by u/yonatan

function u(t) {

for(c.width=X=256;X-=2;)for(Y=148;Y-=2;x.fillStyle=`hsl(${A=(X*C(t)^Y^(t))&(Y*C(t)+X**S(t))},${A=A*t%50+25}%,${A}%`)x.fillText(0,X,Y)

May 2 2017 5:41 PM UTC

}// 133/140

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u/jczimm

beautiful!

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yonatan

remix of d/2641 by u/yonatan

function u(t) {

for(X=c.width=256;X-=2;)for(Y=148;Y-=2;x.fillStyle=`hsl(${A=(X*C(t)-Y**S(t))&(Y*C(t)+X**S(t))},${A=A*t%50+25}%,${A}%`)x.fillRect(X,Y,2,2)

Apr 28 2017 10:44 PM UTC

}// 137/140

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u/donbright

game changer
u/joeytwiddle

Wow! :D
u/yonatan

hmm, 15 FPS here and 30 on https://dweet.dwitter.net/id/2643?autoplay=1

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hscells

function u(t) {

w=c.width=1980
for(f=w/2,i=f/5;i--;)x.lineTo(w/2+S(i+t)*f/2,540+S(i)*f/9)
for(i=f;i--;)x.lineTo(w/2+S(i+t/5)*f/3,540+S(i*5)*f/2)
x.stroke()

Apr 23 2017 11:48 AM UTC

}// 139/140

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u/donbright

remix https://www.dwitter.net/d/2563
u/hscells

if someone can remove that nasty line between the shapes that would be fantastic!

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keithclark

function u(t) {

for(a=c.width|=l=C(t),m=S(t);a--;x.fillRect((d*l-e*m)*h+960,(g*l-f*m)*h+520,h/=50,h))d=S(a*92),e=S(a),f=C(a*.7),g=d*m+e*l,h=800/(3+g*m+f*l)

Apr 23 2017 11:33 AM UTC

}// 139/140

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A point cube spinning on two axis with perspective

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u/hscells

this is really nice
u/donbright

great job!
u/magna

Awesome!
u/cantelope

very nice!
u/joeytwiddle

#cube #dots
u/vain

damn cool

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eruonna

remix of d/2522 by u/magna

function u(t) {

c.width|=0
t?0:n=0
onkeyup=e=>n++
x.font='50px monospace';
((u+'').slice(0,n%154)+' |'[t&1]).split('\n').map((r,i)=>x.fillText(r,0,++i*50))

Apr 18 2017 6:27 PM UTC

}// 139/140

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Hacker typer

u/sigveseb

nice
u/magna

Can be used when your boss catches you looking at dwitter.net at work.

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neo

function u(t) {

v=255;x.arc(c.width/2+700*S(t*6.75),c.height/2+500*C(7.11*t),0,0,0);x.fill();x.fillStyle=R((v+v*C(2*t)),(v+v*S(1*t)),(v+v*S(5*t)),0.03)

Apr 18 2017 3:47 AM UTC

}// 135/140

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u/Polyducks

Wow! There's so many patterns

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magna

remix of d/1480 by u/magna

function u(t) {

c.width|=0
x.font='50px monospace';
(u+'')
.slice(0,t*3+S(t)*5)
.concat(t*2&1?'|':'')
.split('\n')
.forEach((s,i)=>x.fillText(s,0,++i*50))

Apr 18 2017 1:55 AM UTC

}// 138/140

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Pair programming nightmare

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u/joeytwiddle

that title made me Lol :D
u/sigveseb

:D
u/Jenky

That's a really clever illusion, love it
u/magna

Heh, thanks! Brought it down to 123 chars in hopes of adding occasional mistakes like skipped characters / typos etc., but couldn't immediately find a way. In case anyone wants to give it a shot: https://www.dwitter.net/d/2522
u/donbright

:o
u/Polyducks

Could you make a random function to skip odd spaces?
u/magna

It has to be a deterministic PRNG so that the places that are skipped are persistent. Otherwise, it would just look like a random flipping of characters. I thought about it, but couldn't immediately find a short solution.
u/Polyducks

That's a great point. Dwitter is such a mind twister!
u/highfestiva

Groovy baby!
u/magna

#quine
u/joeytwiddle

#funny

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