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.

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Current theme challenge: #Food

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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

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artfarnaa

function u(t) {

for (c.width|=a=4;--a;x.arc(960+S(t+G*23)*50,
540+C(t+G*23)*50,a%13*105,
0,8))x.moveTo(G=a|0,0)
x.fill('evenodd')

Oct 14 2017 9:32 PM UTC

}// 114/140

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Xen

remix of d/3256 by u/gbnikolov

function u(t) {

for(i=c.width|=l=5e2;i--;x.lineWidth=.2)x.moveTo(960+S(i)*l,540+C(i+t)*l),x.lineTo(960+S(i/t+t)*l,540+C(i/t)*l);x.stroke()

Oct 6 2017 8:13 PM UTC

}// 122/140

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u/gbnikolov

that's insane <3
u/Xen

thanks :-)
u/magna

So pretty!
u/donbright

how did i miss this one... super work
u/Xen

thank you

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gbnikolov

function u(t) {

l=4e2;s=.6;c.width|=0;o=10;for(i=0;i<o;i+=s)for(j=0;j<o;j+=s){x.moveTo(960+S(i)*l,540+C(i+t)*l);x.lineTo(960+S(j+t)*l,540+C(j)*l)}x.stroke()

Oct 6 2017 3:15 PM UTC

}// 140/140

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cantelope

function u(t) {

for(i=(w=c.width=1e3)*5,x.fillRect(0,0,w,w);i--;)x.clearRect(w/2+S(p=(q=Math.sqrt(i)*9)/(1.7545+(v=S(t))/100)+v)*q,290+C(p)*q,5,5)

Oct 1 2017 7:29 AM UTC

}// 130/140

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a colorized version: https://codegolf.tk/a/191

u/lurifax

Truly awesome! Your stuff is so clean :)
u/cantelope

<3
u/donbright

classic

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joeytwiddle

remix of d/3209 by u/lurifax

function u(t) {

for(i=c.width=480;--i;){for(j=8,d=7;j-->2;){y=40*j**.7+30/j*S(d*t/j+i/250*j);x.fillStyle=R(0,70+j*16,200);x.fillRect(i,300-y,1,y);d=-d}}

Sep 29 2017 11:42 AM UTC

}// 136/140

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u/lurifax

Calm day at the sea, nice remix!
u/joeytwiddle

Thanks! The sea has many moods.
u/iverjo

#water
u/joeytwiddle

#sea #ocean but New_Core did it better with rain: d/2015
u/katkip

#waves

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Xen

remix of d/1945 by u/jes5199

function u(t) {

c.width=900;for(a=-0;a<99;a++)for(b=0;b<54;b++){n=255*S(C(a)*C(b)*t*9);x.fillStyle=R(n,0,-n,.7);x.fillRect(a*9,b*9,Z=C(t)+9,Z)}

Sep 22 2017 9:33 PM UTC

}// 127/140

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