Dweets awesomed by u/hscells

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

function u(t) {

t?c.width|=0:d=a=1;a<0?a=0:a-=.1;d<5?a=20:0;x.ellipse(960,840-(d=Math.abs(500*S(t))),a*S(t*9)+200,a*C(t*9)+200,0,0,7);x.fill();

May 21 2017 3:45 PM UTC

}// 127/140

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not that exciting, would been nicer if it went bouncing on the walls also ;)

Show more comments…
u/donbright

maybe something like this?: t?c.width=199:(ẏ=a=ẋ=1,y=X=12);y+=ẏ+=.12;ẏ*=y>99?a=-1:1;X+=ẋ*=X>179|X<12?-1:1;a*=.98;x.ellipse(X,y,4*a*C(ẏ)+9,4*a*S(ẏ)+9,0,0,7);x.fill()
u/New_Core

was thinking like this (but this is to long) t?c.width|=0:e=f=d=a=1;a<0?a=0:a-=.2;d<5?a=20:0;b>1700?(f-=5,a=20):0;b<200?(f+=5,a=20):0;e+=f;x.ellipse(b=960+e,840-(d=Math.abs(500*S(t))),a*S(t*9)+200,a*C(t*9)+200,0,0,7);x.fill();
u/New_Core

(noticed b was not defined.. put b= infront e in start)
u/joeytwiddle

A lot of chars for a little change: t?c.width|=0:d=a=y=F=T=0;l=t-T+.087;y+=9*a;a-=.01;y<-28?(F||(F=T=t),l=.087+(t-T)/2,y=-28,b=40,l>.43?(a=1,y=28,F=0,T+=(t-T)/2):u):b=20*a+20;h=-b*S(l*9);x.ellipse(960,840-y-(y>0?0:h),200+b*S(l*9),200+h,0,0,7);x.fill()
u/donbright

lol @joeytwiddle it looks like it's sentient doing jumping jacks
u/joeytwiddle

#bounce
u/joeytwiddle

20 months later, I got it bouncing off the walls, but not wobbling, in the remix

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Beginner

function u(t) {

c.width|=1;x.translate(960,540);for(i=15;i--;x.rotate(t*.3))x.rect(a=-90-i*20+90*S(t),t,-a,a*2);x.fill('evenodd')
/*Original by New_Core*/

May 19 2017 6:28 PM UTC

}// 138/140

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Remake of New_Core

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New_Core

function u(t) {

c.width|=0;x.translate(960,540);for(i=20;i--;x.rotate(t*.1))x.rect(a=-100-i*15+100*S(t+i/5),a,-a*2,-a*2);x.fill('evenodd')

May 18 2017 8:02 AM UTC

}// 122/140

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u/donbright

excellent
u/lionleaf

woah!
u/Xen

nice :)

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hscells

remix of d/2739 by u/hscells

function u(t) {

x.fillStyle=`hsl(${9*t},99%,60%)`
x.rotate(t*Math.PI)
x.fillRect(0,0,99,2e3)
x.setTransform(1,0,0,1,S(t)*2e2,C(t)*2e2)
x.translate(990,480)

May 16 2017 9:39 PM UTC

}// 139/140

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hscells

function u(t) {

x.fillStyle=`hsl(${9*t},99%,70%)`
x.rotate(t/9*Math.PI)
x.fillRect(0,0,9,2e3)
x.setTransform(1,0,0,1,S(t)*2e2,C(t)*2e2)
x.translate(990,480)

May 16 2017 1:43 PM UTC

}// 140/140

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u/joeytwiddle

Reminds me of a certain browser

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nystrand

remix of d/2727 by u/joeytwiddle

function u(t) {

c.width|=p=(X,Y=X,S=X,D=16,r=_=>C(t+=S*D+t/8e6),k=_=>p(X+S*r(),Y+S*r()/3,S*.8,D-1))=>D&&x.fillRect(X,Y,S,S,x.globalAlpha=.01)&k()&k();p(580)

May 16 2017 10:12 AM UTC

}// 140/140

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u/joeytwiddle

Thank you for this :)
u/magna

WOW
u/donbright

damn
u/joeytwiddle

I learned 5 different tricks from your golfing here!
u/iverjo

#clouds
u/jdspugh

Amazing!

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the_yuhanna

function u(t) {

 for(c.width|=a=70;--a;x.arc(500+S(G+t)*200,500+C(t+G*3)*100,a%50*70,20,6.2832))x.moveTo(G=a/6|0,0) 
x.fill('evenodd')

May 15 2017 6:39 PM UTC

}// 118/140

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nystrand

function u(t) {

for(q=a=b=i=3e3,d=35;i--;x.fillRect(a/2-q,b/4-q,q*9,q*4,x.fillStyle=R(d*3,d,d%99,.1,q=2)))a+=a*S(w=d+S(d*9+t*4))/77,b+=b*C(w+.5)/77,d+=t%9/d

May 12 2017 2:39 PM UTC

}// 140/140

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u/donbright

outstanding
u/magna

This is so 70's!
u/lionleaf

sweet!
u/iverjo

So nice! And it looks like 3D
u/joeytwiddle

Pretty
u/13thptr

#flower

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keithclark

function u(t) {

for(c.width^=0,x.globalCompositeOperation='xor',a=50;--a;x.arc(960+S(G+t)*400,520+C(t+G*3)*400,a%25*70,0,7),x.beginPath(x.fill()))G=a/25|0

May 11 2017 12:16 AM UTC

}// 138/140

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u/donbright

for slower machines... for(c.width=320,x.globalCompositeOperation='xor',a=50;--a;x.arc(160+S(G+t)*99,100+C(t+G*3)*99,a%25*20,0,7),x.beginPath(x.fill()))G=a/25|0

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veubeke

function u(t) {

t?r=c.offsetWidth/1920:_=x.font='3in a',x.fillText('smudge',500,680),c.onmousemove=e=>x.drawImage(c,e.x/r,e.y/r,f=50,f,_.x/r,_.y/r,f,f,_=e)

May 10 2017 4:49 PM UTC

}// 139/140

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u/katkip

Not really
u/Jezza

#interactive

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