Top #bounce 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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New_Core

remix of d/25181 by u/New_Core

function u(t) {

t?x.fill(x.arc(a+=w,b-800*S(t*4%3.14),130,0,d=c.width|=7)):w=b=a=960
a<(X=400*S(t)+400)+130?w=23:a>1800-X?w=-20:0
x.strokeRect(X,0,d-X*2,d)

Mar 27 2022 6:19 PM UTC

}// 139/140

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u/danny@hille.dk

👍
u/taupelink

excellent
u/jylikangas

What a lovely dweet!
u/joeytwiddle

#bounce

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Paisley

remix of d/6713 by u/Paisley

function u(t) {

c.width|=0
x.font='220px m'
x.fillText("😖,😄,😃,😅".split(",")[Math.floor(t%2*2)],Math.abs(100*(t*6 % 32-16)),400+600*Math.pow(t%2-1,2))

Feb 4 2018 2:14 PM UTC

}// 133/140

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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](98,75,9,20)

Apr 11 2018 3:13 PM UTC

}// 140/140

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Seesaw

u/jylikangas

Feel free to remix with emojis :)
u/magna

Added emojis, sound and parallax background: d/7633
u/jylikangas

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='fillText']('🕺',X=50+i*99,Y=Y>9?89:80+Y) x.stroke() x[f]('🎩',99,88,9)
u/iverjo

#bounce

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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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micahcowan

remix of d/8742 by u/micahcowan

function u(t) {

with(x)for(c.width|=i=n=23;--i;)F=((f,m)=>Math.abs(m-t*f(i*1.5/n)*2e3%(2*m))),beginPath(),arc(F(C,1920),F(S,1e3),30,0,7),fill()

Jun 30 2018 5:50 AM UTC

}// 127/140

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Many more #ball s! n=100 makes a neat pattern

u/joeytwiddle

Nice work! #bounce

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yonatan

remix of d/18826 by u/yonatan

function u(t) {

c.width|=0
t||(v=p=0)
p=p>1?(v=-v*.99,1):p+v
v+=.01
x.arc(960,200+p*400,99,0,9)
x.ellipse(960,900-p*200,400-p*300,50,0,0,9)
x.fill()

May 16 2020 9:14 PM UTC

}// 132/140

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u/dupusia

Lol
u/pavel

p=1-(S(6*t)**2)**.5
u/pavel

p=(4*t%2-1)**2 is better and more accurate
u/yonatan

oh, that's actually *much* better
u/joeytwiddle

#bounce

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acorv

function u(t) {

c.width=400;for(i=50;i<180;i+=3){s=(t+i)*2;x.beginPath();x.fillStyle=R(i);x.arc((s*i)%500-50,200+(C(s+1.6)>0?1:-1)*S(s)*i,i/9,0,7);x.fill()}

Jul 18 2018 6:25 PM UTC

}// 140/140

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u/iverjo

#dots
u/joeytwiddle

#bounce

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joeytwiddle

remix of d/7980 by u/BalintCsala

function u(t) {

c.width=280,W=20
for(i=9;i--;)x.fillRect(D=i*W-(K=(t%1)*W),D,W,W)
x.font="24px A"
x.fillText("●",98,101-K-W*(1.2-t%1)*(C(6.3*(t%1))**2)**.5)

May 5 2018 8:27 AM UTC

}// 140/140

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u/iverjo

#bounce
u/joeytwiddle

Multibounce: x.fillText("●",98,101-K-W*(1-t%1)**2*(C(15*(t%1))**2)**.5)

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rodrigo.siqueira

remix of d/23332 by u/rodrigo.siqueira

function u(t) {

t=S(t*3)*8
for(X=c.width=99;X--;)for(Y=99;Y--;x.fillRect(Y,55-X,1,1))o=255-X*Math.hypot(X-45+t*t,Y-48+t*6),s=C(t)/9-.4,x.fillStyle=R(-o/s,o)

Jul 16 2021 12:11 PM UTC

}// 140/140

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Bouncing Ball #bounce #ball

u/Xen

nice!!
u/donbright

funny

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veubeke

function u(t) {

x.fillRect(0,0,c.width^=0,2e3)
x.font='50em"'
x.transform(s=t<1||1+S((t-1)*Math.PI)/4/t,0,0,1/s,960-400*s,(t>1||t)*999)
x.fillText('🎃',0,0)

Sep 11 2019 7:41 PM UTC

}// 139/140

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It’s almost time

u/joeytwiddle

Nice! #halloween #pumpkin #bounce

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