New #Physics dweets

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: #Opposites

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tomxor

remix of d/19547 by u/tomxor

function u(t) {

for(c.width=w=127,i=8e3;i--;t?p&T[r=t&2?i-w-r%3:i+w+r%3]<1&&--T[i]&++T[r]:T[i]=r%3)p=T[i],x.fillRect(X=i&w,Y=i>>7,1,p/3),r=i*t^Y/6&X/6

Jul 29 2020 11:41 AM UTC

}// 134/140

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#Serpinski #Hourglass v2

Show more comments…
u/tomxor

Removed the pseudo random left bias and made 1 bit, more sandy :)
u/tomxor

#sand #electric
u/magna

This is epic.
u/KilledByAPixel

amazing!
u/13thptr

incredible
u/13thptr

incredible
u/DataMeta

phenomenal #physics
u/Xen

lovejit
u/tomxor

Thanks u/KilledByAPixel for the original idea and implementation!
u/IV

ooh, you do the best stuff!
u/andrea270872

Wow!
u/donbright

these are incredible
u/joeytwiddle

Impossible! 🤩
u/vain

cool

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remix of d/19535 by u/IV

function u(t) {

c.width=(w=960)*2,h=540
for(i=5e3;i--;)
D=C(p=i*t)*(v=i%8/3-1),
X=S(q=i/T(t))*D,Y=S(p)*v,Z=C(p)*D+3,
x.fillRect(w+X/Z*w,h+Y/Z*w,9/Z,9/Z)

Jul 27 2020 5:20 PM UTC

}// 136/140

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more pixels, less speed, easier to watch, and more shells. #physics ?

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katkip

function u(t) {

c.width|=t||(X=990,Y=240,y=0)
x.arc(960,540,200,0,7),x.arc(X,Y+=y+=.1,50,0,7),x.fill()
while(((960-X)**2+(540-Y)**2)**.5<250)Y-=0.001,X+=2/y

Jul 25 2020 6:40 PM UTC

}// 140/140

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#physics but weird

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tomxor

remix of d/17768 by u/tomxor

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪀽𝐶𞀻𫠽𭀿𫠮𫑡𬀨𚁛𠐬𠠬𦀬𦐬𥁝𚐽🡛𠐫𚁃𛑘𚐯𞐹𛁂𚰨𤰭𦐩𛰹𞐬𦀫𠐯𝀬𦐫𠠯𝀬𥀬𮀮𩡩𫁬𤱴𮑬𩐽𤠨𜐲𝰫𠐪𞐬𞐹𚱂𚠹𛀲𝐵𛁳👔𛱴𚐬𮀮𩡩𫁬𤡥𨱴𚁘𛁙𛁳𚠽𞐬𬰩𧐩𞡛𧐻𫱮𫑯𭑳𩑭𫱶𩐽𚁻𮀬𮑽𚐽🡮𦱴𚠶𜀦𜠵𝑝👛𮀭𠰬𮐭𤰬𠰽𮀬𤰽𮐬𭁝`.replace(/u../g,'')))

Jul 3 2020 12:09 AM UTC

}// 140/140

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Conjure a Spell !

u/tomxor

#interactive #particles #physics
u/1593619985251admin@google.com

fancy
u/katkip

isn't "cast" the right word :D
u/tomxor

lol i guess so, naming #fail :D

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Feiro

function u(t) {

eval(unescape(escape`砮獴牯步⠩㭯湭潵獥浯癥㵲㴨椬瘬戬䬩㴾瘿砮汩湥呯⡶ⱢⱣ⹷楤瑨簽䄽䵡瑨⹡瑡渲ⱌ㵟㴾筲⡩ⴱⱶ⬹㤪䌨䬽卛楝㼿〩Ɫ⬹㤪匨䬩⤻卛楝㵋⭁⡍⹹ⵢⱍ⹸⵶⤭䄨搭戬猭瘩紬椿䰨䰨⤩㨨猽瘬搽戩⤺爨㘬㤶〬㔴〬䴽椩`.replace(/u(..)/g,"$1%")))

Jun 16 2020 11:14 PM UTC

}// 140/140

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Inverse Kinematics! (works best in full screen)

u/Feiro

uncompressed: x.stroke();onmousemove=r=(i,v,b,K)=>v?x.lineTo(v,b,c.width|=A=Math.atan2,L=_=>{r(i-1,v+99*C(K=S[i]??0),b+99*S(K));S[i]=K+A(M.y-b,M.x-v)-A(d-b,s-v)},i?L(L()):(s=v,d=b)):r(6,960,540,M=i)
u/katkip

awesome #physics
u/tomxor

Nice! strangley broken in FireFox though
u/tomxor

Oh it's the new nullish coalescing operator ??

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tomxor

remix of d/19006 by u/tomxor

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪀽𛐱𞱴🱰𛡭𨑰𚀨𦱁𛁂𧐬𪐩🐾𬀽𬀮𫑡𬀨𚁛𨐬𨡝𛁪𚐽🠨𦀽𠐭𨐬𦐽𠠭𨠬𬠽𦀪𦀫𦐪𦐬𬠯👲𛰶𛐹𝠬𪠭𪐼𜰦𪠾𪐿𦱡𚱘𛱲𛁢𚱙𛱲𛁸𛡭𫱶𩑔𫰨𠐬𠠩𛁸𛡬𪑮𩑔𫰨𨐬𨠩𧐺𦱡𛁢𧐩𚐩𞡰👛𧐻𬁛𭀪𜰦𜰱𧐽𦰹𞐫𤰨𭀩𚠴𞀬𞀰𚱃𚁴𛰳𚐪𝀸𧐻𮀮𬱴𬡯𪱥𚀩`.replace(/u../g,'')))

Jun 2 2020 1:36 AM UTC

}// 140/140

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#zhezhi #origami #physics

Show more comments…
u/tomxor

#waitforit ...
u/tomxor

Thanks u/nburn42 for suggesting lines
u/tomxor

Fold your own: ;onmousemove=e=>p[t*3&31]=[e.x/2,e.y/2];
u/ntsutae

Awesome
u/nburn42

Love it
u/KilledByAPixel

Amazing, hey tomxor, I'd like to get you involved in a project I'm working on, how can I contact you?
u/katkip

amazing
u/username

fucking sick
u/aleamb

WOW!
u/magna

WHAT
u/katkip

#witchcraft
u/rafroller

AMAZING <3
u/donbright

!!!!!!!!!!!!!!!
u/vain

Incredible! It lives... But i'm lost for words

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tomxor

remix of d/17761 by u/ElisionFR

function u(t) {

c.width=innerWidth
n=t?n.map(([A,B,X,Y])=>[A,B+.6,X+A/4,Y+B/4,x.fillRect(X,Y,3,3)]):[]
onmousemove=({x,y})=>n[t*60&255]=[x-C,y-S,C=x,S=y]

Feb 27 2020 12:12 AM UTC

}// 137/140

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#interactive #particles #physics

u/tomxor

lol nmap
u/katkip

Awesome!
u/aleamb

amazing!
u/DataMeta

haha dude niice

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KilledByAPixel

function u(t) {

t?c.width|=0:a=[]
for(i=9;i--;a[i]?x.fillRect(400+i*99+S(a[i]+t)*300,400,50,200):a[i]=i)
for(j=9;t&&j--;)a[i]+=.001*S(a[j]-a[i])

Dec 30 2019 4:00 AM UTC

}// 128/140

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Synchronization - Kuramoto Model #Default

u/joeytwiddle

#physics https://en.wikipedia.org/wiki/Kuramoto_model
u/katkip

AWESOME!

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katkip

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪀪🐱𞱩𩠨𘑴𚑻𤐽𦱝𞱦𫱲𚁩🐹𞱩𛐭𞰩𤐮𬁵𬱨𚁻𦀺𝀰𜀫𪐪𜐰𜀬𥠺𣑡𭁨𛡲𫱵𫡤𚁓𚁩𚐪𝐩𚰵𯐩𯐻𩡯𬠨𫰠𪑮𘁑𚑻𮠽𤑛𫱝𛁸𛡦𪑬𫁒𩑣𭀨𮠮𦀫👺𛡖𛀴𜀰𛀵𜀬𜠰𜀩𞱦𫱲𚁚𘁯𩠠𤐩𪑦𚁺𛡘🡚𛡘𚰵𜁼𯁺𛡘🡚𛡘𛐵𜀩𦠮𥠪🐭𜐬𮠮𥠪🐭𜑽`.replace(/uD./g,'')))

Nov 23 2019 6:11 PM UTC

}// 136/140

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failed #default #physics

u/joeytwiddle

That's not PI!
u/joeytwiddle

No π for you

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username

remix of d/7630 by u/jylikangas

function u(t) {

c.width=200
for(i=2;i--;x.lineTo(X+3,Y>71?Y:71))Y=S(t*3+i*3.14)*60,x[f='fillRect'](X=50+i*99,Y=Y>9?89:80+Y,6,-9)
x.stroke()
x[f](98,80,9,20)

Nov 6 2019 6:49 PM UTC

}// 140/140

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BOUNCE

u/username

#randomremix no 36
u/katkip

#physics #collision #balance

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