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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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WasifBoomz

function u(t) {

x.lineWidth=t
x.strokeRect(960,540,50,50)
x.rotate(4)

May 15 2019 1:00 PM UTC

}// 53/140

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katkip

function u(t) {

eval(unescape(escape`挮睩摴株㴱㭩昨琥㠼⸲⥻焽孝㭦潲⡩㴹㭩ⴭ㬩焮灵獨⡛㐰〫椪㄰〬㐰〬ㅝ⥽⁦潲⡩⁯映焩砮晩汬剥捴⡩嬰崬⡩嬱崼㠸〿楛㉝⬽䵡瑨⹲慮摯洨⤺楛㉝⨽⴮㤬楛ㅝ⬽楛㉝⤬㔰ⰲ〰⤻`.replace(/u(..)/g,"$1%")))

May 15 2019 12:53 PM UTC

}// 125/140

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Gravity #default #collision #physics #fall #gravity #velocity

u/katkip

not golfed c.width*=1;if(t%8<.2){q=[];for(i=9;i--;)q.push([400+i*100,400,1])} for(i of q)x.fillRect(i[0],(i[1]<880?i[2]+=Math.random():i[2]*=-.9,i[1]+=i[2]),50,200);
u/katkip

#bounce #bouncy

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vinca

remix of d/13821 by u/WasifBoomz

function u(t) {

with(c.width|=0,x)arc(960,740,400,0,7),arc((a=S(t+S(t)*9)*90)+960,280,80,0,7),fill(fillRect(260-a,590,1400,50)),clearRect(a+930,230,50,50)

May 15 2019 12:32 PM UTC

}// 139/140

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WasifBoomz

function u(t) {

x.lineTo(60,66)
x.lineTo(1920,1080)
x.fill()
x.rotate(50)
x.fillStyle=R(0,t*10,t*10)

May 15 2019 12:02 PM UTC

}// 84/140

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magna

remix of d/13840 by u/magna

function u(t) {

eval(unescape(escape`挮睩摴桼㵦㵢㴾房❣汥慲剥捴✺❦楬汒散琧㭸学⡓⡴⼲⤾〩崨〬〬㉥㌬㉥㌩㭸⹴牡湳景牭⡳㴶〫匨琩⨵〬〬〬猬㤶〭猪㐵ⰵ㐰⵳⨱〩㭦潲⡩㴱㠻椭ⴻ⥸学⡩☱⥝⡩⨵ⰰⰵⰲ〩`.replace(/u(..)/g,"$1%")))

May 15 2019 5:37 AM UTC

}// 124/140

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Alternating #default

u/magna

Uncompressed: c.width|=f=b=>b?'clearRect':'fillRect';x[f(S(t/2)>0)](0,0,2e3,2e3);x.transform(s=60+S(t)*50,0,0,s,960-s*45,540-s*10);for(i=18;i--;)x[f(i&1)](i*5,0,5,20)
u/katkip

#infinite
u/13thptr

see also : d/10312 by u/yonatan
u/magna

#perfectloop

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magna

function u(t) {

f=b=>`${b?'clear':'fill'}Rect`
c.width|=0
x[f(t&2)](0,0,2e3,2e3)
for(i=18;i--;)x[f(i&1)](400+i*50+S(t)*300,400,50,200)

May 15 2019 5:01 AM UTC

}// 118/140

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#default

u/rnbw

that's a really clever way to alternate functions!
u/katkip

nice method

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LimeLaser

function u(t) {

r=v=>v*Math.random()
x.fillStyle=R(r(255),r(255),r(255),r(.6)+.2)
x.fillRect(r(1920),r(1080),960-r(1920),540-r(1080))

May 15 2019 2:06 AM UTC

}// 117/140

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Semi-Transparent Colored Squares

u/LimeLaser

I tried to get a decent rectangular-color-fill distribution by allowing negative widths and heights.
u/joeytwiddle

Ah nice approach, to avoid the top and left edges feeling lonely

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KilledByAPixel

remix of d/13820 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑯𫡭𫱵𬱥𫑯𭡥👥🐾𮱦𫱲𚁣𛡷𪑤𭁨𯀽𪐽𞐻𪐭𛐻𚑦𫱲𚁪🐱𜀻𛐭𪠻𩡩𫁬𥁥𮁴𚁪𛀨𦀽𜠰𜀪𪠩𚰡𥀪𚁘𛑥𛡸𚠳𚐯𞐭𬰬𚁙🐵𝀰𚰳𜀰𚡓𚁪𚡪𚐩𚰡𥀪𚁙𛑥𛡹𚠳𚐯𞐫𬰩𚑔🐡𪐬𩡩𫁬𤱴𮑬𩐽𤠨𜀬𜀬𥀪𜠵𝐬𪐿𛠲𞠱𚐬𬰽𜐱𝀫𪐪𝐬𩡯𫡴👳𛰵𚰢𩑭𙰢𯐻`.replace(/u../g,'')))

May 15 2019 12:00 AM UTC

}// 140/140

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Number Shadows - Your mouse is the light source! #supercompressed

u/joeytwiddle

#lighting
u/katkip

#d3

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KilledByAPixel

remix of d/13836 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𭀿𫱮𨱬𪑣𪰽𧰽🡻𪑦𚀡𨐩𩡯𬠨𪐽𜠬𨐽𫡥𭰠𠑵𩁩𫱃𫱮𭁥𮁴𞱩𛐭𞱳𩑴𥁩𫑥𫱵𭀨𧰽🡻𨐮𨱬𫱳𩐨𚐬𨐽𜁽𛀱𝐰𚐩𫰽𨐮𨱲𩑡𭁥𣱳𨱩𫁬𨑴𫱲𚀩𛁯𛡦𬡥𬑵𩑮𨱹𛡶𨑬𭑥🐹𝀱𚠪𜐮𜀲𚠪𚁓𚁪𚰫𚐪𜱼𜀩𛁯𛡣𫱮𫡥𨱴𚁡𛡤𩑳𭁩𫡡𭁩𫱮𚐬𫰮𬱴𨑲𭀨𚑽𞡪👡🐰`.replace(/u../g,'')))

May 14 2019 9:10 PM UTC

}// 139/140

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☏ - Click canvas to dial a phone number!

u/KilledByAPixel

This an approximate recreation of number dialing sounds.

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KilledByAPixel

function u(t) {

//☎
eval(unescape(escape`琿潮捬楣欽弽㹻楦⠡愩景爨椽ㄳⱡ㵮敷⁁畤楯䍯湴數琻椭ⴾㄱ㭳整呩浥潵琨弽㹻愮捬潳攨⤬愽ぽⰲ〰〩⥯㵡⹣牥慴敏獣楬污瑯爨⤬漮晲敱略湣礮癡汵攽㐰⩩Ɐ⹣潮湥捴⡡⹤敳瑩湡瑩潮⤬漮獴慲琨⥽㩡㴰`.replace(/u(..)/g,"$1%")))

May 14 2019 8:46 PM UTC

}// 140/140

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Click canvas to make the phone ring once!

u/katkip

Awesome
u/KilledByAPixel

This is an exact recreation of the ringing sound a telephone makes in US and Canada. 440hz + 480hz for 2 seconds