Dweets awesomed by u/magna

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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anotherkitten

function u(t) {

for(c.width|=i=9;i--;x.fill(p=new Path2D,p.arc(a=t%3*1e3-i*80,800-S(a/711)*400+S(i*(i+t/3|0))*40,100-i*9,0,8)))x.fillStyle=R(0,120,150,.6)

Jan 6 2019 8:12 PM UTC

}// 138/140

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who has the water gun

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Nosferatu

function u(t) {

c.width=700;p=t*50;
for(i=0;i++<80;){p+=10+S((i+t*7)/12.74)*9;q=p/127.4;x.moveTo(320,200);x.lineTo(320+S(q)*190,200+C(q)*190);}
x.stroke();

Jan 6 2019 6:37 PM UTC

}// 139/140

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u/Xen

Nice!

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DataMeta

remix of d/8910 by u/DataMeta

function u(t) {

for(i=192;i--;)j=C(t-i)*7*i,k=i*9,x.setTransform(k,0,0,k,960,540),
x.rotate(i/(2+t/99)),x.fillStyle=R(j*2,i,i-j,.8),x.fillRect(g=.01,g,.7,g)

Jan 5 2019 9:08 PM UTC

}// 140/140

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fullscreen recommended

u/joeytwiddle

hypnotic
u/joeytwiddle

#colors

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metamero

remix of d/11660 by u/metamero

function u(t) {

eval(unescape(escape`䴽琿䴮浡瀨⡶Ⱬ⤽㸨椽欥㘵⤥㉞⡪㴨欭椩⼶㔩┲籼砮晩汬剥捴⠳〪⡩ⴡ⡶㵶㸮㔩⤭㜬㌰⨨樭瘩ⴷⱶ㼲〺㠰ⱶ㼸〺㈰⥼籲⠩㰮〱㽲⠩㩶Ᵽ⹷楤瑨簽〩㩛⸮⹁牲慹⠲攴⥝⹭慰⡲㵍慴栮牡湤潭⤻`.replace(/u(..)/g,"$1%")))

Jan 5 2019 6:13 PM UTC

}// 130/140

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gestalt #maze

u/katkip

awesome

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metamero

remix of d/11652 by u/metamero

function u(t) {

i=frame%49
j=(frame-i)/49
a=Math.random(onclick=reset)>.5?9:89
i%2^j%2&&x.fillRect(40*(i-(a>9)),40*(j-(a==9)),a,a>9?9:89)

Jan 5 2019 3:42 PM UTC

}// 121/140

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#maze

u/rnbw

it generated a followable path! :O (maybe that's your next challenge...)

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yonatan

remix of d/11642 by u/yonatan

function u(t) {

for(i=c.width|=0;i--;x.fillRect(S(a=i+t)*r+960,i/2,C(a)>0&&C(a)*r/2,19))s=i<1500,r=s?i/3:99,x.fillStyle=`hsl(${s*88} 33%${i%S(i)*77}%`

Jan 4 2019 8:36 PM UTC

}// 134/140

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u/13thptr

:0
u/lionleaf

Now that's a nice #tree . And you've got a full year to decorate it for christmas :)
u/katkip

*o*
u/iverjo

Stunning!
u/joeytwiddle

#christmas #xmas
u/vain

x.call3DEngine('tree') XD

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metamero

remix of d/11637 by u/metamero

function u(t) {

x.font='42px"'
t?i=a++%46:a=0
x.fillText('╲╱'[2*Math.random(onclick=reset)|0]+'',42*i,42*(a-i)/46)

Jan 4 2019 3:18 PM UTC

}// 99/140

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classic #maze : canvas version

u/metamero

d/11644 d/11640 d/11637 d/11633 collection of different implementations

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Undefined

remix of d/11634 by u/katkip

function u(t) {

t||x.translate(956,536);for(i=360;i--;x.fillStyle=`hsl(${C(frame/9)*T(i/9)*99&i} 99%50%)`)x.fillRect(i*4,0,5,5);x.rotate(.01)

Jan 4 2019 1:38 PM UTC

}// 125/140

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I love the & operator way too much lol

u/sigveseb

Trippy

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katkip

remix of d/11632 by u/Undefined

function u(t) {

t||x.translate(960,540);for(i=360;i--;x.fillStyle=`hsl(${C(frame/9)*S(i/9)*99*t} 99%50%)`)x.fillRect(i*4,0,4,9);x.rotate(.004)

Jan 4 2019 1:18 PM UTC

}// 126/140

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JWinslow23

function u(t) {

eval(unescape(escape`琿琥ㄼ⸰ㄦ☨挮睩摴栽㈴ⱱ⨽椽䉩杉湴⠰籴⬱⤬砮晩汬呥硴⡹㴨焪㈷渭焪ㄲ港椫㕮⩲⤯㕮⽳ⰹⰹ⤬爽㄰渪⡵㴶渫㈷渪椪⡩⬱温⤪⡱⨵渭焪㉮⽩⭲⵹⩳⤬焪㴲の⩩ⴱのⱳ⨽甩㨨焽ㅮⱲ㴱㠰測猽㘰温`.replace(/u(..)/g,"$1%")))

Jan 3 2019 8:57 PM UTC

}// 133/140

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The digits of pi, forever... (credit to u/katkip for golfing tips)

u/katkip

Nice
u/joeytwiddle

#math

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