Dweets awesomed by u/robbyg

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: #Food

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aemkei

remix of d/690 by u/xem

function u(t) {

x.font="12em arial"
~~(t*99)%4||x.fillText([..."😮😀😁😐😑😬"][new Date%6],800,700)

Dec 14 2017 9:06 PM UTC

}// 77/140

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Talking Face

u/cantelope

lol
u/Lazy1337

one tilde is enough

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joeytwiddle

remix of d/3631 by u/joeytwiddle

function u(t) {

w=1e3,r=Math.random;for(i=4e3;i--;x.fillRect(700+D,T+r()*(w-D*k/4-T),l=1/(4+t),l))s=r()<.6,k=s?-1:.4,D=(s?-350:650)*r(),T=9+D*k

Dec 14 2017 11:51 AM UTC

}// 127/140

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Merry Cubemas

u/cantelope

neat
u/magna

#cube
u/joeytwiddle

#stochastic #model #waitforit
u/joeytwiddle

Although unintended, the surfaces are not uniformly shaded. They get darker at the sides, because the same number of dots are compressed into a shorter height. This may give a false impression of radiosity.

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Xen

remix of d/3608 by u/New_Core

function u(t) {

X=960,Y=X*t%X;for(a=i=199;--i;x.fillRect(X+=C(a)*Y/39,Y+=S(a+=9*Math.random())*5,5,3))x.fillStyle=R(0,a/7)

Dec 12 2017 12:22 AM UTC

}// 106/140

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Shoutz to zensaiyuki for the original.

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New_Core

function u(t) {

t?i=t*8:x.fillRect(940,140,d=50,990)
i<200?(x.beginPath(),x.fillStyle=R(i%2*d,i%d+i),x.arc(960+20*S(i+t*2),d+i*4,i,a=S(i)+1,a+1),x.fill()):0

Dec 8 2017 5:25 PM UTC

}// 140/140

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this years christmastree =)

u/joeytwiddle

firry nice
u/magna

Made me literally smile
u/New_Core

#christmas #christmastree #tree

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veubeke

remix of d/3558 by u/cantelope

function u(t) {

π=Math.PI;for(c.width=i=512;i--;x.beginPath(x.stroke()))x.arc(i*32%544-16,i/17<<5|16,16,t-t%π+Math.min(t%π,π/2),t-t%π+4.5+Math.max(π/2,t%π))

Nov 27 2017 8:35 PM UTC

}// 140/140

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u/Xen

me likey
u/cantelope

nice :)
u/katkip

wait what

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New_Core

function u(t) {

for(c.width|=b=i=99;i--;x.fill())x.beginPath(),x.arc(i%b/3+i%5*500,500+i%b/3,i%b+b*S(t+i%5)+b,0,7),x.fillStyle=`hsl(${i%5*b},99%,${b-i}%)`

Nov 18 2017 8:17 AM UTC

}// 138/140

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the i%b is same as i was just leftover after testing.. ;)

u/13thptr

#balls #shading

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cantelope

function u(t) {

for(x.globalAlpha=.07,x.fillRect(0,0,i=2140,i);i--;)x.clearRect(i*25%2e3+S(p=i*3+(k=C(t*2+i*9)))*(v=S(i*171+t)*50),i%1080+C(p)*v,4,4)

Nov 8 2017 6:19 AM UTC

}// 133/140

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colorized version: https://codegolf.tk/a/232

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magna

remix of d/3453 by u/mmastrac

function u(t) {

f=e=>300*Math.asin(C(t*e))+480;for(e=c.width|=onmousemove=e=>T=e.y/innerHeight*1e3;e--;)x.fillRect([f(5),0,944][e]*2,e^1?f(3):T,32,e?256:30)

Nov 2 2017 10:54 PM UTC

}// 140/140

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#pong

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p01

remix of d/3446 by u/ETHproductions

function u(t) {

c.width|=onkeydown=e=>(e=e.which-36)>0&&e<5?e&1?X+=e-2:Y+=e-3:0;x.fillRect(X*9,Y*9,60,60)};{X=Y=70

Nov 2 2017 11:57 AM UTC

}// 98/140

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Move the square with the arrow keys. You have 42 bytes to write your game around this template

u/BalintCsala

3 bytes less: https://www.dwitter.net/d/6755

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mmastrac

remix of d/3356 by u/mmastrac

function u(t) {

t?c.width|=0:M=[...Array(3e4)],M=M.map((e,i)=>[n=3,e][[1,w=212,++w,w+1].map(e=>n-=M[i+e]+M[i-e]),n]?!x.fillRect(i%w*9,i/w*9,7,7):!t&i%w)

Oct 24 2017 10:50 PM UTC

}// 136/140

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Last game of life, I swear...

u/alien

noooooo!! plez moooarrr GOL!!!
u/joeytwiddle

#gameoflife

dwitter.net | robbyg (46897)