Dweets awesomed by u/cantelope

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: #Food

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pavel

function u(t) {

eval(unescape(escape`睩瑨⡸⥦潲⡣⹷楤瑨簽椽㌸㐻樽椭ⴾ㸵㭳瑲潫攨⤩景爨獥瑔牡湳景牭⠹ⰰⰰⰹⰨ⡩☲㠩⵪┲⨲⤪㠰Ⱝ⵪⨱㘰⤬牯瑡瑥⡩⨳㔵⼲㈶⤬扥杩湐慴栨欽㌩㭫ⴭ㬩汩湥呯⠳ⴳ⩫ⰹ⬨㈭欥㈩⨨㌭㘯⠱⬳攲⨪匨㌪琩⤩⤻`.replace(/u(..)/g,"$1%")))

Dec 20 2018 12:41 AM UTC

}// 138/140

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u/katkip

Beautiful
u/katkip

Beautiful
u/pavel

with(x)for(c.width|=i=384;j=i-->>5;stroke())for(setTransform(9,0,0,9,((i&28)-j%2*2)*80,--j*160),rotate(i*355/226),beginPath(k=3);k--;)lineTo(3-3*k,9+(2-k%2)*(3-6/(1+3e2**S(3*t))))

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pavel

function u(t) {

for(w=i=c.width|=h=Math.PI/2;i--;x.fillRect(w/2+r*C(i+t),(i<w/3?w/3:i)/2+r/2*S(i+t)*S(t),4,10))r=(i<w/2?i:w-i)/2/C(i%h-h/4-(i%h>h/2)*h/2)

Dec 19 2018 10:57 PM UTC

}// 137/140

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Diamond

u/joeytwiddle

#model
u/f8f82804

#d3

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ellisk1

function u(t) {

c.width=99;onclick=e=>{i=e.x/200-1,j=e.y/99-2,h=9,X=Y=30};for(k=9;k--;)x.fillRect(19+k*7+9*S(t),25,3,9);x.fillRect(X+=i,Y+=j+=.03,h/=1.05,h)

Dec 19 2018 4:17 PM UTC

}// 140/140

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#default Shooter

u/ellisk1

Click to shoot
u/ellisk1

the i and j definitions may need to be different for different browsers

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Ocramoi

function u(t) {

x.rotate(Math.abs(S(t))*360)
for(i=0;i<1080;i+=10)for(a=0;a<1920;a+=10)x.fillRect(a,i,1,1)

Dec 19 2018 12:32 AM UTC

}// 90/140

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Painting

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Ocramoi

function u(t) {

c.width=Math.abs(S(t))*1920
c.height=Math.abs(S(t))*1080
x.fillStyle="blue"
for(i=0;i<1080;i+=10)for(a=0;a<1920;a+=10)x.fillRect(a,i,1,1)

Dec 19 2018 12:17 AM UTC

}// 138/140

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metamero

function u(t) {

t||(p=w=c.width,q=h=c.height)
r=4*Math.random()|0
r?r-1?r-2?p+=9:q+=9:p+=w-9:q+=h-9
x.fillRect(p%=w,q%=h,9,9)

Dec 18 2018 11:30 PM UTC

}// 109/140

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Random Walk

u/taupelink

#randomwalk

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pavel

remix of d/11472 by u/cantelope

function u(t) {

for(k=c.width|=0;j=--k>>7;x.lineTo(960*(z+4*S(t)+.43*d*((k&120)-62)+S(a))/z,1e3/z))d=.5-(j+4*t&1),z=j+.6-4*t%1+C(a=k%8*d*2.1)*2/3;x.stroke()

Dec 18 2018 11:22 PM UTC

}// 140/140

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k=[4 bits for y][4 bits for x][3 bits for hexagon vertex]

Show more comments…
u/pavel

16*16*8=2048~=1920 so using width
u/pavel

.43~=3**.5/4, 2.1~=2*Math.PI/3
u/pavel

120=0b1111000 so k&120=x*8
u/pavel

I'm using a single stroke and no moveTo. This is a single curve, just lined everything up.
u/pavel

d is horizontal offset, even rows are offset from odd rows. Using +4*t&1 to explicitly cycle the animation every second instead of implicitly cycling every 2 seconds. Longer cycle leads to z<0 and glitches or hexagons that don't reach the camera.
u/magna

Wow!
u/aleamb

awesome!!!
u/pavel

#uncompressed with one plane

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metamero

remix of d/11474 by u/metamero

function u(t) {

eval(unescape(escape`渽挮睩摴栽㈵㘻䴽琿䴮浡瀨⡶Ⱬ⤽㹛測⵮ⴱⰭ測⵮⬱Ⱝㄬㄬ渭ㄬ渫ㅝ⹭慰⡤㴾瘫㵍嬨欫搩╹崬瘦♸⹦楬汒散琨欥測欯湼〬ㄬㄩ⤦♶帴㽶㴽㌺䵛歝⤺嬮⸮䅲牡礨礽㤼㰱㈩崮浡瀨瘽㹄慴攮湯眨潮捬楣欽牥獥琩┳⤻`.replace(/u(..)/g,"$1%")))

Dec 18 2018 7:23 PM UTC

}// 139/140

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same as before but with better rendering and big (256x144) simulation grid

u/metamero

wraparound #gameoflife features : reset on click + "random" initialization + toroidal space
u/joeytwiddle

Love the reset
u/metamero

corrected one small error and golfed/improved d/11510

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cantelope

function u(t) {

eval(unescape(escape`景爨樽⡷㵣⹷楤瑨㴸〰⤯㈻樭ⴻ砮扥杩湐慴栨砮獴牯步⠩⤩景爨椽㜻椭ⴻ⥚㴲㔫⠨瘽樯㌰簰⤭ㄴ⵴⨹┲⤪ㄮ㔫䌨瀽ㄮ〵⩩⤬堽⡪┳〭ㄵ⤯ㄮㄶ⬨瘥㈿⸸㔺〩⭓⡰⤬砮汩湥呯⠴〰⭘⽚⨴〰ⰲ㈵⬨樥㈭⸵⤯娪眩`.replace(/u(..)/g,"$1%")))

Dec 18 2018 6:05 PM UTC

}// 138/140

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http://dweet.net/347/11472

u/Xen

Love it!

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rnbw

function u(t) {

c.width^=0;x.fillStyle="#4ad";for(i=-14;i++<14;)for(j=-14;j++<14;)x.fillRect(960+(i*S(t)*98)+(j*C(t)*98),540+(i*C(t)*98)+(j*S(-t)*98),99,99)

Dec 18 2018 5:52 PM UTC

}// 140/140

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a twinkling array

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