Dweets awesomed by u/BuRRak

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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BuRRak

function u(t) {

c.width|=0;for(i=0;i<8;i++)x.arc(250+200*i,540+S(frame/15+i*30)*200,t**t/t, i -frame,-frame);x.fill();

Mar 23 2018 6:52 AM UTC

}// 102/140

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u/sigveseb

Feels very alive

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jylikangas

remix of d/7422 by u/jylikangas

function u(t) {

for(c.width=i=608;i--;)i%320<64&&i&2||i>447&i%32<6|i>576&i%2||x.fillRect(304+S(A=i/5.1+t)*(80+19*(i<256))+i%5,99+(i>>5)*12+(s=C(A)*8),8+s,9)

Mar 23 2018 6:31 AM UTC

}// 140/140

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Medieval tower v2

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BuRRak

remix of d/7413 by u/BuRRak

function u(t) {

c.width|=0;for(i=0;i<8;i++)x.arc(250+200*i,540+S(frame/15+i*30)*200,75,-frame,-frame);x.fill();

Mar 22 2018 5:12 PM UTC

}// 95/140

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BuRRak

function u(t) {

c.width|=0;for(i=0;i<8;i++)x.arc(250+200*i,540+S(frame/15+i*30)*200,75,c.width,7);x.fill();
//not trying to golf just seemed cool

Mar 22 2018 5:07 PM UTC

}// 129/140

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Batrachus

function u(t) {

Mar 18 2018 3:02 PM UTC

}// 0/140

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This dweet writes its own code to the canvas!

Show more comments…
u/BirdsTweetCodersDweet

Hah, I see what you did there :D
u/sigveseb

lol
u/zanella

Funny dweets always deserve an 'Awesome'. :)
u/lionleaf

haha
u/moreheadm

The smallest self-replicating program.
u/katkip

#quine

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AnnanFay

function u(t) {

with(x)for(i=n=t<32?1<<t/4:256;i--;beginPath(fill(arc(920+S(g=i/n*6.28)*(k=S(g+t)*460),540+C(g)*k,60,0,7))))fillStyle=`hsl(${t*99},100%,60%`

Mar 7 2018 4:13 PM UTC

}// 140/140

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This is my version of the wheel. Thanks to yonatan and Bálint for parts.

u/katkip

#illusion

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jylikangas

function u(t) {

c.width=W=512;for(i=W;i--;h=W/d,x.fillRect(i,99-h/2,2/d,h))for(d=1,X=97,Y=t*9;C((X>>3)*(Y>>3))<.9;d+=.06)X+=C(t+i/W),Y+=S(t+i/W)
//B.J.=lost

Feb 25 2018 10:56 AM UTC

}// 140/140

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My 1st dweet - some Wolfenstein 3D fun. :)

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u/aleamb

nice!!!
u/BirdsTweetCodersDweet

What's up with that weird comment at the end?
u/jylikangas

B.J. is the main character from Wolfenstein and in the demo he is obviously lost. Thus the code is properly commented. :)
u/cantelope

looks familiar :P https://www.dwitter.net/d/2961
u/jylikangas

Wolfenstein tributes should look familiar. :) p01 is a legend!
u/iverjo

Wow!
u/iverjo

#wolfenstein

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BuRRak

function u(t) {

t||(A=S=K=L=G=0);onkeydown=e=>self[e.code[3]]+=10;x.fillRect(S-A,L-K,10,10);G==0||(c.width|=G=0)

Feb 24 2018 5:08 PM UTC

}// 96/140

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Etch a Sketch, AS - left knob CCW and CW, KL - right knob CCW and CW, G - shake

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u/snydej

I haven't figured out why yet but once I press "[" or "]", G stops working but A, S,K, and L still work.
u/BuRRak

Yeah, i have that issue too. Very weird
u/zanella

It's because, when you hit [ or ], e.code[3] evals to c (fourth letter in BracketLeft and BracketRight). Then, self[c] overrides the c variable, which is the reference to the canvas, and because of that c.width|= stops working. The other keys still work because x still points to the canvas context, which is what draws the rectangles. ;)
u/zanella

You can fix this and also code golf 4 characters:
u/zanella

t||(a=s=k=l=g=0);onkeydown=e=>self[e.key]+=10;x.fillRect(s-a,l-k,10,10);g==0||(c.width|=g=0)
u/snydej

zanella: I'll give you the golf, but it's not a fix. It'll break if you press x or c. Not that I care too much; this dweet is quite clever even if no one should ever do this in practice.
u/snydej

Btw thanks for the explanation :) Also I golfed 9 more characters off it: t?g?c.width|=g=0:onkeydown=e=>self[e.key]+=10:a=s=k=l=g=0;x.fillRect(s-a,l-k,10,10)
u/zanella

u/snydej You're right, it's not a fix if it breaks something else. :D And I agree, this dweet is totally ingenious!
u/zanella

The unavoidable remix: https://www.dwitter.net/d/7102

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BuRRak

function u(t) {

t||(e=1);f=n=>n?(n*f(n-1)):1;e+=1/f(frame);throw e;

Feb 23 2018 3:38 PM UTC

}// 51/140

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Calculating Euler's number, not really useful at all

u/mitakkee

2

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BuRRak

function u(t) {

t||(p=3);f=frame*2;p+=(f%4?4:-4)/((f)*(f+1)*(f+2));throw p

Feb 22 2018 8:08 PM UTC

}// 58/140

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Calculating Pi using Nilakantha's series :)

u/BuRRak

meh, got an extra pair of brackets in there, nvm

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