New #Interactive 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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metamero

remix of d/11726 by u/metamero

function u(t) {

t?x.lineTo(m+=p+=a/=d=((a*a+b*b)/k)**1.5,n+=q+=b/d,x.stroke()):k=(m=X=Y=640)*(n=p=q=3);onclick=e=>X=(Y=e.y*k/innerWidth)*e.x/e.y;a=X-m;b=Y-n

Jan 10 2019 4:07 PM UTC

}// 140/140

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#gravity #orbit #physics #interactive click to set atractor gravity ∝ 1/||r||**3

u/metamero

add ondblclick=reset for convenience

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metamero

function u(t) {

eval(unescape(escape`琿砮汩湥呯⡭⬽瀫㵡⼽搽⡡⩡⽫⭢⩢⽫⤪⨱⸵Ɱ⬽焫㵢⽤⤺⡭㵮㵘㵫㴹㘰ⱙ㴵㐰Ⱬ⨽焽㈬瀽㔮㤬潮捬楣欽攽㹸⹦楬汒散琨堽⡙㵫⽩湮敲坩摴栩⩥⹸ⱙ⨽攮礬㠬㠩Ɐ湤扬捬楣欽牥獥琩㭡㵘⵭Ɫ㵙⵮ⱸ⹳瑲潫攨⤻`.replace(/u(..)/g,"$1%")))

Jan 10 2019 2:09 PM UTC

}// 139/140

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now correct #gravity formula : #orbit #physics #interactive : click to set atractor : double click to reset

u/metamero

all of my previous #orbit dweets are not #gravity , please refer to this version for the right formula (gravity ∝ 1/||r||**3)

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metamero

remix of d/11691 by u/metamero

function u(t) {

t?x.arc(m+=p+=a/=d=a*a/k+b*b/k,n+=q+=b/d,d,~x.stroke(),k):(Y=540,m=n=X=k=960,p=q=7,onclick=e=>{X=2*k/innerWidth;Y=X*e.y;X*=e.x});a=X-m;b=Y-n

Jan 8 2019 6:21 PM UTC

}// 140/140

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drawing orbits with circles #interactive! click to set atractor : #gravity #orbit #physics

u/Gabe

copy cat
u/metamero

hahahahaha

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metamero

remix of d/11693 by u/metamero

function u(t) {

eval(unescape(escape`琿砮汩湥呯⡭⬽瀫㴨愽堭洩⼨搽愪愯欫⡢㵙⵮⤪戯欩Ɱ⬽焫㵢⽤⤺⡭㵮㵙㴵㐰ⱘ㵫㴹㘰Ɒ㵱㴹Ɐ湭潵獥浯癥㵥㴾筦㴲⩫⽩湮敲坩摴栻堽昪攮砻夽昪攮祽Ɐ湣汩捫㵲敳整ⱸ⹲散琨㤬堬㐲ⰴ㈩⤻砮獴牯步⠩㭴桲潷⁴`.replace(/u(..)/g,"$1%")))

Jan 8 2019 1:17 AM UTC

}// 140/140

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#orbit #game companion version for d/11693 #interactive on mousemove change atractor : click to reset : take me home to squareland #gravity #physics

u/katkip

Wow that
u/katkip

that...s
u/katkip

aweosmee
u/donbright

yayyyyy

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metamero

remix of d/11690 by u/metamero

function u(t) {

eval(unescape(escape`琿砮汩湥呯⡭⬽瀫㴨愽堭洩⼨搽愪愯欫⡢㵙⵮⤪戯欩Ɱ⬽焫㵢⽤⤺⡭㵮㵙㴵㐰ⱘ㵫㴹㘰Ɒ㵱㴹Ɐ湣汩捫㵥㴾筦㴲⩫⽩湮敲坩摴栻堽昪攮砻夽昪攮祽Ɐ湤扬捬楣欽牥獥琬砮牥捴⠹ⱘⰴ㈬㐲⤩㭸⹳瑲潫攨⤻瑨牯眠琻`.replace(/u(..)/g,"$1%")))

Jan 8 2019 12:52 AM UTC

}// 140/140

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awesome!! #game!! how much time and clicks do you take to take me home? : click to change atractor : double click to reset : score=t*clicks : #gravity #physics

u/metamero

home = that beautiful square (pass thru is good)
u/metamero

#orbit
u/metamero

#interactive
u/metamero

different version/game that changes atractor on mousemove d/11694

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metamero

remix of d/11691 by u/metamero

function u(t) {

t?x.fillRect(m+=p+=(a=X-m)/(d=a*a/k+(b=Y-n)*b/k),n+=q+=b/d,9,9):(Y=540,m=X=k=960,n=p=q=7,onclick=e=>{f=2*k/innerWidth;X=f*e.x;Y=f*e.y})

Jan 8 2019 12:18 AM UTC

}// 135/140

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rect orbits #interactive! click to set atractor : 135B #gravity #orbit #physics

u/metamero

d/11691(lines version) and d/11699 (arcs version)
u/metamero

d/11693 and d/11694 are games
u/metamero

d/11691 <3
u/donbright

#genius

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metamero

remix of d/11675 by u/metamero

function u(t) {

t?x.lineTo(m+=p,n+=q,a=X-m,b=Y-n,p+=a/=d=a*a/k+b*b/k,q+=b/d,x.stroke()):(Y=m=X=k=480,n=p=q=4,onclick=e=>{f=4*k/innerWidth;X=f*e.x;Y=f*e.y})

Jan 7 2019 11:07 PM UTC

}// 139/140

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drawing orbits #interactive! click to set atractor : 139B #gravity #orbit #physics

u/katkip

I love this one!
u/katkip

I love this one!

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metamero

remix of d/11675 by u/metamero

function u(t) {

eval(unescape(escape`琿砮汩湥呯⡭⬽瀬渫㵱⤺⡙㴵㐰Ɑ㵘㵫㴹㘰Ɱ㵰㵱㴴Ɐ湣汩捫㵥㴾筦㴲⩫⽩湮敲坩摴栻堽昪攮砻夽昪攮祽Ɐ湤扬捬楣欽牥獥琩㭡㵘⵭㭢㵙⵮㭤㵡⩡⭢⩢㭤⼽欻瀫㵡⽤ⱱ⬽戯搻砮獴牯步⠩㭸⹳瑲潫敒散琨洬測愬戩`.replace(/u(..)/g,"$1%")))

Jan 7 2019 10:41 PM UTC

}// 140/140

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beautiful... #orbit + drawing #interactive! click to change atractor : double click to reset : #gravity #physics

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metamero

remix of d/11674 by u/metamero

function u(t) {

eval(unescape(escape`瑼簨夽欽㐸〬洽堽㈪欬渽瀽焽㐬潮浯畳敭潶攽攽㹻昽㐪欯楮湥牗楤瑨㭘㵦⩥⹸㭙㵦⩥⹹紬潮捬楣欽牥獥琩㭡㵘⵭㭢㵙⵮㭤㵡⩡⭢⩢㭲㴱⴮㤯搻搯㵫㭰⬽愯搬焫㵢⽤㭸⹬楮敔漨洫㵰⨽爪㵤㸱Ɱ⬽焪㵲⤻砮獴牯步⠩`.replace(/u(..)/g,"$1%")))

Jan 7 2019 4:34 AM UTC

}// 140/140

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#interactive!! easier : decaying drawing orbits : initial conditions set to a impressive drawing #waitforit : or : move #mouse to change atractor : click to reset : #gravity #orbit

u/joeytwiddle

Very nice! #physics

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metamero

remix of d/11672 by u/metamero

function u(t) {

eval(unescape(escape`瑼簨洽堽夽欽㐸〬瀽渽焽㘬潮浯畳敭潶攽攽㹻昽㐪欯楮湥牗楤瑨㭘㵦⩥⹸㭙㵦⩥⹹紬潮捬楣欽牥獥琩㭡㵘⵭㭢㵙⵮㭤㵡⩡⭢⩢㭰⬽愯搪欬焫㵢⽤⩫Ⱳ㴱ⴱ⽤㭸⹬楮敔漨洫㵰⨽爪㵤㹫⼲Ɱ⬽焪㵲⤻砮獴牯步⠩`.replace(/u(..)/g,"$1%")))

Jan 7 2019 2:54 AM UTC

}// 138/140

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decaying orbits : move #mouse to change atractor : click to reset : #interactive : #gravity #orbit + "air" resistance + target "landing"

u/metamero

#waitforit

dwitter.net | #Interactive