Dweets awesomed by u/icecuber

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: #ScaryMovies

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icecuber

function u(t) {

c.width=192;for(i=9;i--;)for(j=9;j--;)x.fillText((i+j*3+j/3|0)%9+1,i*11+12,j*11+12),x.fillRect(i*33-156,3,1,99),x.fillRect(9,i*33+2,100,1)

Nov 22 2016 7:31 PM UTC

}// 138/140

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u/iverjo

Awesome, a solved sudoku!
u/sigveseb

nice!
u/lionleaf

#sudoku

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icecuber

function u(t) {

c.width=432;F=(n,r=0,m=1)=>n?F(n/9|0,n/3%3^1?r+n%3*m:m*3-1-r-n%3*m,m*3):r%27*9;for(j=6;j--;)k=j?t*8-j-7:t<<3,x.fillRect(F(k|0),F(k/3|0),7,7)

Nov 4 2016 2:16 PM UTC

}// 140/140

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u/iverjo

Snake!
u/donbright

lol really wishing for sound effects now
u/lionleaf

#snake #game
u/katkip

#ai
u/joeytwiddle

#tribute

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New_Core

function u(t) {

x.fillStyle=R(b=2e3,b,b,.2);x.fillRect(0,0,b,b);for(i=20;i--;)x.beginPath(),x.ellipse(1e3,f=500,f+f*S(g=i*.1+t),f+f*C(g),t,0,6.3),x.stroke()

Oct 30 2016 9:36 AM UTC

}// 140/140

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u/iverjo

Rad!

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New_Core

function u(t) {

a=c.width=240;while(a--)x.fillStyle=R(s=70+99*S(a+60*S(b=t+a*.01)+t),s+80*C(b),s+80*S(b),1),x.fillRect(a,0,1,152);

Oct 27 2016 7:52 PM UTC

}// 114/140

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sigveseb

function u(t) {

for(n=c.width=i=1e3,s=S(t),k=C(t);i--;x.lineTo(n*X/Z,n*Y/Z))F=S(i),U=C(i),V=(i&7)-3,_=V*s+F*k,Z=V*k-F*s+15,X=_*k-U*s+7,Y=_*s+U*k+3;x.fill()

Aug 8 2016 1:32 AM UTC

}// 139/140

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two-axis rotation

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u/sigveseb

and a quasi-reflective material
u/iverjo

Wicked!
u/iverjo

Btw, this is really slow in FF (~1 FPS) but fast in Chrome (looks like 60 FPS)
u/sigveseb

typical :P
u/3bl3gamer

FF, 30-50 fps
u/p01

Witchcraft!

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Dyno

function u(t) {

c.width=1920;for(j=64;j--;)for(i=120;i--;)a=1+S(((i*1.07)&j)/20+t*8),x.fillStyle=R(0,0,0,a/2),x.fillRect(i<<4,j<<4,16,16);

Jul 20 2016 4:35 PM UTC

}// 122/140

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u/iverjo

Awesome! Do you think it is possible to create a tunnel with this texture?
u/Lazy1337

#texture
u/Lazy1337

#xor

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lionleaf

remix of d/250 by u/sigveseb

function u(t) {

B=" bottles of beer";O=" on a wall. ";a=i=>i&&i+B+O+i+B+".Take 1 down 'n pass it round, "+(i-1)+B+O+a(i-1);x.fillText(a(c.width=99),-t*99,9)

Jul 20 2016 2:22 PM UTC

}// 140/140

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I sped it up a bit :)

u/iverjo

Best scroller on dwitter ^^

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sigveseb

remix of d/230 by u/3bl3gamer

function u(t) {

c.width=500;for(a=2,j=9;a=-a,x.beginPath(),j--;x.stroke())for(i=0;i<7;i+=.01)r=18-a+S(i*9+t*a)*3<<1,x.lineTo(j*63+r*C(i),(j+t)%9*36+r*S(i))

Jul 19 2016 11:55 PM UTC

}// 139/140

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3bl3gamer more of them :D

u/iverjo

lol, this was bound to happen :D
u/3bl3gamer

wow, it even smaller!
u/katkip

#gears

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lionleaf

remix of d/192 by u/icecuber

function u(t) {

c.width=199;f=99;d=t%4;for(i=210;i--;)r=d>.5?f*S(i*f)*(d-.5):0,x.fillStyle=R(f,i),x.fillRect(f+29*S(t/4^9)*d+C(i)*r,f-d*f+d*d*49+S(i)*r,1,2)

Jun 25 2016 6:43 PM UTC

}// 140/140

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Remix of icecuber awesome fireworks :)

u/lionleaf

#fireworks

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ocasta181

remix of d/133 by u/lionleaf

function u(t) {

c.width=2e3;x.translate(980,450);for(i=0;i<392;)x.fillStyle=R(i,0,S(t)*190),x.rotate(!i*C(t-=.01)+!(i++%4)*S(t)|t),x.fillRect(5*i,5/t,i*t,i)

Jun 20 2016 10:01 PM UTC

}// 140/140

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