Top #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.

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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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Quant1um

function u(t) {

eval(unescape(escape`瑼簨礽稽昽㐸㜬椽樽〩㭯㵓⡤㵺⵹⤬栽椪椪昪漫匨稩⼲Ᵽ⹷楤瑨簽愽㤶〬戽㤹ⱛ〬礫㵩⬽欽⡪⩪⩦⩯ⵓ⡹⤫株䌨搩⤯⠱⭯⩯⤯昬稫㵪ⴽ栯昫欪䌨搩崮浡瀨椽㹸⹬楮敔漨愫㵓⡩⤪㌰〬戫㵃⡩⤪㌰〩⤬砮獴牯步⠩㬻`.replace(/u(..)/g,"$1%")))

Sep 16 2018 3:17 PM UTC

}// 140/140

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Double pendulum simulation #physics

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u/BirdsTweetCodersDweet

t||(y=z=f=487,i=j=0,x.lineWidth=5,x.globalAlpha=.02);o=S(d=z-y),h=i*i*f*o+S(z)/2,a=960,b=99,[0,y+=i+=k=(j*j*f*o-S(y)+h*C(d))/(1+o*o)/f,z+=j-=h/f+k*C(d)].map(i=>x.lineTo(a+=S(i)*300,b+=C(i)*300)),x.stroke(); this is cool...
u/iverjo

Nice
u/Quant1um

Thanks!
u/donbright

holy crow
u/donbright

how does it work??
u/Quant1um

u/donbright, https://www.myphysicslab.com/pendulum/double…

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BackendForth

function u(t) {

a=b=q=0
p=t/8-t/8%1+9
c.width=1920
for(i=0;i<t%8*99;i++,a+=p,b+=q,q++)
{if(b>1071)q*=-.8,b=1071
if(a>1911||a<0)p*=-1
x.fillRect(a,b,p,q)}

Jan 7 2018 3:35 PM UTC

}// 138/140

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u/sigveseb

solitaire end screen :)
u/ETHproductions

this has so much potential I just had to remix: d/5776
u/katkip

#physics

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trupples

function u(t) {

t?c.width=innerWidth:X=Y=a=b=0,c.onmousemove=e=>E=e
x.arc(X+=a+=(E.x-X)/1e3,Y+=b+=(E.y-Y)/1e3,9,7,0)
x.lineTo(E.x,E.y)
x.stroke()

Jan 2 2018 1:43 PM UTC

}// 129/140

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Elastic sling

Show more comments…
u/Xen

very nice!
u/wclang

Yo-yo--very nice indeed!
u/magna

Tip: Hijack an existing variable that you don't make use of (like S, C, T) to avoid the initial reference error for the variable E
u/trupples

aah, nice one
u/katkip

OMG
u/katkip

#physics

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katkip

function u(t) {

eval(unescape(escape`爽䵡瑨⹲慮摯活挮睩摴株㴱㭩昨ⅴ⥻焽孝㭦潲⡩㴳㤻椭ⴻ⥱⹰畳栨孩⨵〭爨⤪㈵ⰵ㤰ⰱ崩素景爨椠潦ⁱ⥸⹦楬汒散琨楛そ⬽⡲⠩⴮㔩⩩嬲崬⡩嬱崼㄰㈰㽩嬲崫㵲⠩㩩嬲崪㴭⸷Ⱪ嬱崫㵩嬲崩ⰵ〬㔰⤻`.replace(/u(..)/g,"$1%")))

May 15 2019 1:01 PM UTC

}// 134/140

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#default #collision #physics #fall #gravity #velocity #bounce #bouncy

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rodrigo.siqueira

remix of d/26795 by u/hauntedg

function u(t) {

for(c.width|=i=0,q=t*7,d=-150*S(q),a=~~(q/3.14)%2;i<9;i++)x.fillRect(550+(i>7?800+(a&&d):i?i*99:a||d),500+(i>7?a&&-d/2:i?0:a||d/2),50,200)

Jan 10 2023 6:10 PM UTC

}// 138/140

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remixed to #default

u/deobfuscate

#physics

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KilledByAPixel

remix of d/21044 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󩭯󬬨󭼽󨼮󭽩󩍴󪌦󟝩󟜱󜌳󝬸󞼭󛝩󞽶󙬡󚍔󦽲󟝩󚼨󭬾󜬿󛝷󞭷󚜫󚍩󚭴󧭩󚜥󜼭󜝝󙜳󚝼󭬽󟜶󟼨󥍛󬭝󟝶󚜭󜼿󥍛󪝝󟝶󟬶󟼱󞬰󞬰󞭯󫭭󫽵󬽥󫝯󭭥󟝥󟜾󥍛󭼪󚍥󛭹󚬨󭼯󟝩󫭮󩝲󥽩󩍴󪌩󯌰󚜫󩜮󮌪󭽼󜍝󟝥󛭢󭝴󭍯󫭳󚼱󚝸󛭦󪝬󫍒󩝣󭌨󪜥󭼬󪜾󟬷󛌱󛌨󭬽󥍛󪝝󚜯󝌩`.replace(/u../g,'')))

Jun 3 2021 8:47 PM UTC

}// 139/140

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Sand Game 🏖️ Draw with mouse - Left=Wall, Right=GreyGoo, Middle=Lightning, Middle+Right=SandStorm, Middle+Left=Destroy, Left+Right=DarkWall

u/KilledByAPixel

Experiment with different combinations, fullscreen recommended!
u/KilledByAPixel

#interactive #physics #game
u/erin

powder game flashbacks
u/KilledByAPixel

Add the code onmousedown=oncontextmenu=_=>!1 to improve usability (prevents other mouse events)
u/KilledByAPixel

#sand

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KilledByAPixel

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼🐰𞱸𛡦𪑬𫁒𩑣𭀨𜀬𥰽𜑥𜰬𭰽𜱥𜰬𭰩𞱦𫱲𚁩🐹𞐻𪐭𛐻𮀮𩡩𫁬𚁰👮𩑷𘁐𨑴𪀲𡀨𦠽𦐼𜀿𬠫𦐺𬠩𛁰𛡥𫁬𪑰𬱥𚀨𪐪𞐹𚱴𚠨𝐹𞐫𤰨𪐪𪐩𚠪𜠪𥰩𚐥𭰭𬠬𥰭𦐭𬠬𜠪𬠭𦠬𦠬𜀬𜀬𝰩𚐩𬠽𪐬𪀽𚀲𚱩𚡷𙐹𚐪𞐹𛁙👨𚠨𤰨𥰪𭀯𪀫𪐩𚠪𜠩𚠪𛠵𛑲𛰳`.replace(/u../g,'')))

Jun 4 2019 6:13 AM UTC

}// 140/140

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Bouncing Balls

u/SMON

They deform when bouncing! ❤️
u/katkip

Realistic
u/katkip

#bouncy #physics
u/KilledByAPixel

#bounce

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pavel

remix of d/10076 by u/yonatan

function u(t) {

t?X*X+Y*Y>2.4e5&&(v=C(t*t)/42-.07,U=v*X,V=v*Y):U=V=Y=X=3
X+=U;Y+=++V
x.arc(w=960,h=540,h,0,c.width|=0);x.arc(w+X,h+Y,40,0,7)
x.fill`evenodd`

Jun 2 2019 12:27 AM UTC

}// 140/140

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#physics #bounce

u/pavel

The velocity of the bounce changes on every hit, otherwise the ball would settle on a simple pattern

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marc8

function u(t) {

c.width|=0
s=50;v=t*4
x.font="60px A"
for(i=0;i<t;i++){
x.arc(1000-v*(t-i),540,s*(t-i),0,7)
x.stroke()}x.fillText("Mach "+v/s,1630,560)

Feb 20 2018 9:10 PM UTC

}// 135/140

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The physics dweets: supersonic motion

u/aleamb

awesome!
u/magna

DOPE!
u/joeytwiddle

#physics
u/Purpzie

Goodness gracious this is cool.

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