Hot dweets by u/New_Core

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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New_Core

function u(t) {

c.width=1920;for(i=16;i--;)x.ellipse(1e3+300*S(t+i*.1),500+50*C(t+i*.1),160*S(-i*.5)+160,50*S(i*.1)+5,1.6+.5*S(t*.5),9.5,0,6.3);x.stroke();

Mar 3 2017 3:31 PM UTC

}// 139/140

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Show more comments…
u/sfz

wow creative!
u/sfz

reduced it by about 15 bytes in case you want to try to do something else with the extra room: c.width|=0;for(i=16;i--;)x.ellipse(1e3+300*S(t+i/9),500+50*C(t+i/9),160*S(-i/2)+160,50*S(i/9)+5,1.6+S(t)/2,9,0,7);x.stroke()
u/iverjo

So good!
u/sigveseb

is that a pseudo-3D fish? super nice!
u/donbright

marvellous
u/magna

WAAAAT
u/SpecialAgent

Magnificent depth!
u/joseprio

Really impressive :)
u/Kalanchoe

Amazing!
u/ArtsyBiker1

WHOA
u/gautjac

beautiful
u/21medals

Reduced it ±20 bytes and added beginPath() without changing any values:
u/21medals

for(c.width|=i=16;a=i--/10;x.stroke())x.beginPath(),x.ellipse(1e3+300*S(t+a),500+50*C(t+a),160*S(-i/2)+160,50*S(a)+5,1.6+S(t/2)/2,9.5,0,6.3)
u/New_Core

#fish
u/joeytwiddle

#model
u/Cloud

https://www.dwitter.net/d/17352
u/vain

incredible 3d fish

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New_Core

function u(t) {

w=c.width=128;for(i=w*w;i--;)x.fillStyle=R(0,0,0,Math.random()),x.fillRect(i%w,i%(w-1),1,1);x.font='5em A';x.fillText("☠",25,65);

Feb 28 2017 8:16 PM UTC

}// 129/140

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I did one with ImageData but the skull didnt fit in. (it was faster but not fast enough to size it up).

u/sfz

swank!
u/New_Core

#noise

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New_Core

function u(t) {

t||(a=new(AudioContext)(),o=a.createOscillator(),o.connect(a.destination),o.start(a));t%.2>.1?b=Math.random()*1000|0:o.detune.value=b

Mar 3 2017 12:01 PM UTC

}// 133/140

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Remove a from o.start(a) .... this one is based on iverjos small size version.

u/13thptr

#audio

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New_Core

function u(t) {

if(!t)a=new(window.AudioContext)(),o=a.createOscillator(),o.type='sine',o.connect(a.destination),o.start(a);o.frequency.value=400*S(t);

Mar 2 2017 2:06 PM UTC

}// 135/140

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remove the a in o.start(a) to start the anoying thing ;) I did it like this so it dont bother the site to much...

u/iverjo

Haha, this is awesome xD
u/joeytwiddle

Thanks for this nice mini introduction to the Audio API. I remixed it into a theramin: https://www.dwitter.net/d/2446
u/iverjo

#audio

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New_Core

remix of d/1446 by u/sigveseb

function u(t) {

Q("#e22",1e3);Q("#fff",150);Q("#228",0)
function Q(d,e){
x.fillStyle=d
x.fillRect(0,450-e/2,2e3,150+e)
x.fillRect(580-e/2,0,150+e,2e3)}

Feb 27 2017 7:57 AM UTC

}// 135/140

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now my country flag is Q("#006AA7",1e3);Q("#FECC00",150) ;)

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u/New_Core

Q("#006AA7",1e3);Q("#FECC00",100) ...looks better
u/sigveseb

Nice golfing
u/iverjo

Good stuff
u/iverjo

#flag
u/BirdsTweetCodersDweet

#hashtag-fail
u/BirdsTweetCodersDweet

dammit... #tagfail

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New_Core

function u(t) {

if(!t)b=a=0;9*t%3<1?a+=4:b+=5;x.fillStyle='hsl('+120*S(t)+',99%,50%)';x.fillRect(950+500*S(a*.01),540+400*S(b*.01),20,20);

Feb 22 2017 1:14 PM UTC

}// 122/140

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New_Core

function u(t) {

if(!t)I=new Image(),I.src="https://is.gd/aYk0fZ";c.width=1e3;for(i=500;i--;)x.drawImage(I,0,-2e3*(250/(250+i))+t*60,640,1,320-i,i,320+i*2,1)

Feb 22 2017 5:02 PM UTC

}// 140/140

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wait a bit for it, its not that nice tho with white background ;)

u/recursive

I managed to include a black background in a remix https://www.dwitter.net/d/900
u/13thptr

#external
u/13thptr

#broken

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New_Core

function u(t) {

c.width=2e3;for(i=15;i--;)x.lineTo(1e3+200*S(a=.3*(i%3)*t+i*1.57)+500*C(t*.8),500+200*C(a)+300*C(t*.5)),x.stroke()

Feb 14 2017 9:12 AM UTC

}// 114/140

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u/iverjo

Smooth

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New_Core

remix of d/630 by u/New_Core

function u(t) {

for(a=i=629;i--;)s=99/(b=-a+(i+t*60)%a),X=a*S(i*99)*s+1e3,Y=a*C(i)*s+500,i<628?b+=a:(X=Y=0,s=a),x.fillStyle=R(b,b,b),x.fillRect(X,Y,s*9,s*9)

Jan 20 2017 9:28 AM UTC

}// 140/140

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for a smoother start

u/donbright

bravo
u/iverjo

#stars #starfield

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New_Core

function u(t) {

c.width=2e3;for(a=i=629;i--;)s=-150/((i+t*60)%a),X=a*S(i*.31)*s+1e3,Y=a*C(i*.3)*s+500,x.fillRect(X,Y,s*9,s*9),x.lineTo(X,Y);x.stroke();

Jan 17 2017 4:08 PM UTC

}// 135/140

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Show more comments…
u/Ameo

That's ridiculously impressive.
u/Ameo

That's ridiculously impressive.
u/Ameo

That's ridiculously impressive.
u/ilSilvano

That's three times ridiculously impressive.
u/joeytwiddle

I feel like god is pulling all the thread out of the universe
u/hope4tg

Haha, agree with joey, the zoom out effect is awesome
u/Lazy1337

#d3
u/katkip

#infinite
u/vain

really impressive

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