Dweets awesomed by u/mohd-akram

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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Quant1um

function u(t) {

eval(unescape(escape`愽挮睩摴桼㵴籼⡩㵪㵫㵬㴲〬戽㤹㤬挮潮捬楣欽攽㹻椫㴨攮砪㌭欩⼲〬樫㴨攮礪㌭氩⼲ぽ⤻楦⡩㰰♫㰰籩㸰♫㹡⥩㴭椪⸷㭩昨樼〦氼〩樽⵪⨮㜻楦⡬㹢♪㸰⥪㴭横⸷ⱬ㵢Ⱪ⨽⸹㭸⹦楬汒散琨欫㵩ⱬ⬽樫㴱ⰹⰹ⤻`.replace(/u(..)/g,"$1%")))

Dec 15 2018 12:43 PM UTC

}// 140/140

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#interactive #physics

u/metamero

great!
u/katkip

Awesome!
u/aleamb

awesome!
u/Quant1um

Thanks!

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pavel

remix of d/11421 by u/pavel

function u(t) {

for(x.fillRect(0,0,k=2e3,k);j=--k>>6;x.fillRect((i-j+4)*g,(8+C(i/4)*C((t*30-j|0)/4)*3)*g,s=g*g/200,s))i=k%64,x.fillStyle=R(4*i,g=960/(35-j))

Dec 15 2018 10:08 AM UTC

}// 140/140

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u/cantelope

impressive
u/iverjo

#perspective

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pavel

remix of d/11420 by u/cantelope

function u(t) {

j=t?j%6e3:P=[]
for(w=i=150;i--;c.width=-1)P[j++]=[40,8+S(i/4)*C(t*16)*3]
P.map((p,i)=>x.fillRect(w+(i%w-75)*(g=w/p[0]--),p[1]*g,s=g*g/23,s))

Dec 15 2018 7:17 AM UTC

}// 140/140

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u/katkip

#d3 #landscape Nice!!
u/pavel

#uncompressed

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cantelope

function u(t) {

eval(unescape(escape`挮睩摴栽ⴱ㭴籼⡐㵛崩㭐⹰畳栨䅲牡礨眽ㄵ〩⹦楬氨⤮浡瀨⡶Ⱪ⤽㸨筙㨸⭓⡩⼴⤪䌨琪ㄶ⤪㌬眺㐰紩⤩㭐⹭慰⡶㴾瘮晩汴敲⡶㴾瘮眩⹭慰⠨瘬椩㴾筸⹦楬汒散琨眫⡩ⴷ㔩⼨朽瘮眭⴩⩷ⱶ⹙⽧⩷ⱳ㴱攳⽧⽧ⱳ⥽⤩`.replace(/u(..)/g,"$1%")))

Dec 15 2018 2:42 AM UTC

}// 140/140

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c.width=-1;t||(P=[]);P.push(Array(w=150).fill().map((v,i)=>({Y:8+S(i/4)*C(t*16)*3,w:40})));P.map(v=>v.filter(v=>v.w).map((v,i)=>{x.fillRect(w+(i-75)/(g=v.w--)*w,v.Y/g*w,s=1e3/g/g,s)}))

u/cantelope

https://dweet.net/341/11420
u/Scrooble

Rare serial view of a Therm-a-Rest Z-lite pad.
u/Scrooble

Aerial* view

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pavel

remix of d/11391 by u/pavel

function u(t) {

for(a=t?b:{8256:1},i=frame%9==1&t<9.5&&(c.width|=b={},2e5);i--;x.fillRect(i&1017,i>>7,8,a[q]*8))k=i%8+5,b[q=i>>3]^=a[q+k%3*128+k/3%3-129|0]

Dec 15 2018 2:32 AM UTC

}// 139/140

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Fredkin Replicator (non-minified version)

Show more comments…
u/pavel

Using div/mod to store 128x128 pixel coordinates in a. 8256=128*64+64 is the middle pixel.
u/pavel

Using frame%9==1 to update the automata once every nine frames. Frames are 1 indexed.
u/pavel

i encodes three variables: lowest 3 bits is neighbor cell 'index', middle 7 is x, and upper 7 is y.
u/pavel

To get neighbor cells I do the div/mod trick on the 'index' but need to exclude (0,0) which has index 4. So I map cell index to i%8+5 which %9 is [5,6,7,8,0,1,2,3]
u/pavel

A cell is 'on' iff the parity of its 'on' neighbors is odd which is the same as the xor of neighbor states
u/pavel

I cheat a little. Y=i>>10 so my rect should use (i>>10)*8 but to save chars I use i>>7. The cells are slightly off-place vertically but its hard to notice.
u/pavel

i&1017 is a mistake, oops, should be i&1016, causes tiny visual glitch. 1016=0b1111111000 which is X*8
u/pavel

#uncompressed

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akm

remix of d/7151 by u/prplz

function u(t) {

c.width|=0;x.scale(20,20);for(i=96,t*=9;i--;)for(j=54;j--;)if((i^j)&1)x.fillRect(i+S(t+j/9),j+S(t+i),z=1.1,z)

Dec 15 2018 12:04 AM UTC

}// 109/140

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this may hurt your eyes

u/joeytwiddle

yikes!
u/katkip

I had eyes....

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metamero

function u(t) {

Dec 14 2018 9:00 PM UTC

}// 0/140

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u/pavel

‌‌

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metamero

remix of d/4109 by u/xem

function u(t) {

c.before(u)

Dec 14 2018 8:23 PM UTC

}// 11/140

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is this a quine? is this an animation? 11b

u/katkip

smart :^)

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cantelope

function u(t) {

eval(unescape(escape`眽挮睩摴桼㴰㭴籼⡐㵁牲慹⡷⤮晩汬⠩⹭慰⠨瘬椩㴾⡻堺匨椩⨨猽椪椥㤶〩ⱙ㩃⡩⤪猬䄺匨椫ㄮ㘩⩩⼹㤬䈺䌨椫ㄮ㘩⩩⼹㥽⤩⤻倮浡瀨瘽㹻砮晩汬剥捴⠹㘰⬨瘮堫㵶⹁ⴽ瘮堯眩ⰵ㐰⬨瘮夫㵶⹂ⴽ瘮夯眩ⰹⰹ⥽⤻`.replace(/u(..)/g,"$1%")))

Dec 14 2018 6:58 PM UTC

}// 140/140

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u/katkip

Looks like an implosion

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Xen

function u(t) {

Z=500*t%1e3
for(i=99;i--;x.fillStyle=`hsl(${A},50%,50%)`)x.fillRect(1e3+(A=C(t*S(i+t))*Z),Z,1,9)

Dec 13 2018 8:51 PM UTC

}// 96/140

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