Dweets awesomed by u/iverjo

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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Current theme challenge: #Food

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joeytwiddle

function u(t) {

x.font='480px s'
x.fillText('NOVA',260,700)
x.transform(1,0,0,1.02,0,-10)
x.fillStyle=`hsla(${888*t},50%,50%,${.001**t}`

Jun 23 2017 6:18 PM UTC

}// 120/140

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Nova party is this weekend in Devon, UK http://www.novaparty.org/

u/joeytwiddle

x.transform(1.01,0,0,1.02,-9,-10) is also fun
u/joeytwiddle

Oh curious. 's' gives me a 'sans' font on Linux but a 'serif' on Mac!

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yonatan

remix of d/2643 by u/yonatan

function u(t) {

c.width=128;for(J=X=64;X>-J;X--)for(K=Y=32;Y>-K;Y--)D=(X*X+Y*Y)**.5,x.fillStyle=`hsl(${D-t*99^T(X/Y+t*9)},50%,${D}%`,x.fillRect(X+J,Y+K,1,1)

Jun 4 2017 11:28 PM UTC

}// 140/140

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MrM@_S

remix of d/2796 by u/MrM@_S

function u(t) {

x.fillRect(frame,t&t,9,9+!(x.D=x.drawImage,x.globalCompositeOperation='xor'))
x.D(c,!frame++,1)
x.D(c,1,0)

May 31 2017 7:22 PM UTC

}// 106/140

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u/magna

We are the Borg

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hypothete

function u(t) {

;x.font='99px c';x.fillText('💲',190+C(t*5)*200,350*S(t*3)+580);x.drawImage(c,9,0);x.fillText('💸',0,Math.random()*1080);

May 30 2017 6:36 AM UTC

}// 119/140

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New_Core

remix of d/438 by u/New_Core

function u(t) {

c.width=(a=1200)+500*S(t);q=99;x.font=3+'cm a';x.translate(960,540);x.rotate(t/3);for(i=320;i--;x.fillText("☕",i%24*q-a,i%26*q-a))x.fill()

May 26 2017 6:12 AM UTC

}// 138/140

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u/13thptr

lol
u/13thptr

#rotozoom

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nystrand

function u(t) {

with(x)for(q=t?5e3:translate(1e3,b=540),i=b*t%q;i>0;fillRect(c=i/5-q/2,c,T(t&i/t^b)*b+q,q),q=.2)fillStyle=R(a=i--/9-q,rotate(b*t&i),a+b,.1)

May 25 2017 10:00 PM UTC

}// 139/140

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u/magna

Super cool!
u/lionleaf

Amazing!
u/MrM@_S

disco

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joeytwiddle

remix of d/2737 by u/nystrand

function u(t) {

c.width|=p=(S,D=20,X=2*S,Y=X,k=_=>p(S*.79,D-1,X+2*S*r()-S,Y-S*r()/2))=>D&&x.fillRect(X,Y,S,S,k(k(x.globalAlpha=.01)));t?p(500):r=Math.random

May 24 2017 5:26 AM UTC

}// 140/140

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Rain cloud slideshow

u/joeytwiddle

Thanks to golfing tricks from nystrand, I could create a gallery
u/iverjo

Neat!
u/hollo47

This is some next level shit, I don't even know where it starts!
u/joeytwiddle

We can save 7 chars by removing D entirely and using S>7
u/joeytwiddle

#clouds #heavy Set D=18 for faster rendering

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codeartisticninja

function u(t) {

n=(S(t)+1.125)*64;x.font=n+"px s";
x.fillText("💩", 1920/2-n*.666, 1080/2);
x.drawImage(c, n*4,n*4,1920-n*8,1080-n*8, 0,0,1920,1080);

May 23 2017 7:22 AM UTC

}// 133/140

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u/magna

This dweet is poop!
u/lionleaf

That one gave me a good laugh

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MrM@_S

function u(t) {

t?x.F(~x.F(K,9,9),--X+50,110+-eval(K+" "+~0)):(X=K="",x.F=x.fillText,onkeydown=e=>/[\--9]|X|\+|\*/.test(A=e.key)&&(K+=A)+(X=c.width=200))

May 22 2017 4:08 AM UTC

}// 137/140

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[simple equation grapher]

Show more comments…
u/MrM@_S

just type in your equation using they keyboard
u/joeytwiddle

For example, click on the canvas and type: 40+X*X*X/999
u/joeytwiddle

Very cool idea. I changed your regexp to /[\--9XYS()+*]$/ then I could do 30+30*S(X/9)
u/MrM@_S

the*
u/Kalanchoe

Nice idea!
u/MrM@_S

#tool

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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 ;)

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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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