Dweets 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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icecuber

function u(t) {

F=x=>x%1*(x%1-1)*9+S(x);c.width=89;for(i=8;i--;)x.fillRect((i%4-t%1)*50,i*16&64,16,F(i%4+t<<1)*7-(i&4)*9+11);x.fillRect(9,(F(t*2)*7+32),5,5)

Aug 6 2016 1:02 PM UTC

}// 140/140

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u/sigveseb

flappy bird!
u/iverjo

Funny :D
u/lionleaf

#game #interactive #floppy #floppybird
u/rodrigo.siqueira

#FlappyBird

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icecuber

function u(t) {

c.width=199;f=99;d=t%1;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^123)*d+C(i)*r,f-d*f+d*d*49+S(i)*r,1,2)

Jun 24 2016 10:34 PM UTC

}// 140/140

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u/lionleaf

Awesome!!! Ends a bit abruptly though, so I did a quick remix ;)
u/quuxman

link the remix!
u/iverjo

Here is a link to lionleaf's remix: https://www.dwitter.net/d/193
u/lionleaf

#fireworks

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icecuber

function u(t) {

v=t-9;m=t%.8-.4;r=m*m*12+3.7;r^4?r=r+.3|0:0;r=t<5.6?r*50:v<1?72:v<5.6?r*20:v<7.3?-67/C(t):x;x.fillRect(960-S(v)*r,(v<1?300:645)-C(v)*r,9,23)

May 19 2016 11:56 PM UTC

}// 140/140

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Show more comments…
u/lionleaf

Crazy impressive!
u/iverjo

Wicked!
u/lionleaf

How did you do that?!
u/stiaje

Outrageous!
u/iverjo

This is still like black magic to me. It needs to be explained in a blog post or something.
u/lionleaf

+1 for a blog post!
u/ocasta181

bump!
u/iverjo

For the sake of context: This dweet draws the logo of Hackerspace NTNU https://hackerspace-ntnu.no/
u/lionleaf

#logo
u/Lazy1337

#witchcraft

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icecuber

function u(t) {

c.width=99;for(i=83;i--;)for(j=64;j--;)a=C(S(i)*1e4+j+t*30)*1e4,x.fillRect(i,j,(a+~a)+j/3,.11);for(k=2;k--;)x.scale(2,2),x.drawImage(c,0,0)

May 3 2016 9:05 PM UTC

}// 139/140

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icecuber

function u(t) {

w=1e3;x.scale(.25,.25);x.font="2000px s";x.fillText("☻",1100,2700.5);i=t*3%16|0;i%3&&i%5&&x.drawImage(c,(i>>2)*w,i%4*w);x.scale(4,4)

May 2 2016 4:59 PM UTC

}// 132/140

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u/joeytwiddle

lol. A Koch Happyface!

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icecuber

function u(t) {

c.width=192;A=Math.abs;Y=A(t*99%176-88);X=A(t*139%376-188);x.F=x.fillRect;x.F(X,Y+7,3,3);x.F(187,Y+C(X/39)*29,5,20);x.F(0,Y-S(X/29)*22,5,20)

Apr 24 2016 12:39 PM UTC

}// 140/140

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Show more comments…
u/lionleaf

I'd love a blog post explaining how you approached creating this one!
u/iverjo

+1
u/SpecialAgent

+1
u/FireFly

I love this one—the movement doesn't really feel all that artificial despite being so. Hats off for figuring out how to get the pads to that :)
u/dh7

+1 very well done !!!
u/joeytwiddle

Amazing. Looks so real. Some handy techniques in here too :)
u/donbright

genius
u/TheGreatRambler

How do you do that under 140 chars?
u/lionleaf

#pong
u/lionleaf

#game
u/joeytwiddle

#tribute
u/Lazy1337

#witchcraft
u/vain

incredible - great work

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icecuber

function u(t) {

c.width=1920;for(i=24;i--;)for(j=24;j--;)t+=1.7,s=S(t)*((j+i&1)*2-1),x.setTransform(C(t),s,-s,C(t),i*99,j%12*99),x.fillRect(-9,-49,19,99)

Apr 20 2016 4:54 PM UTC

}// 137/140

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u/lionleaf

Try following the "wave" with your eyes!
u/innovati

This is amazing!
u/vain

amazing and beautiful effect. Nice tricky illusion

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icecuber

function u(t) {

t?i++:i=0;for(j=1080;j--;){a=b=0;k=35;for(;k--&&a*a+b*b<4;)c=a*a-b*b+i/540-2,b=2*a*b+j/540-1,a=c;x.fillRect(i,j,1,S(k/9))}

Apr 13 2016 1:46 PM UTC

}// 122/140

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u/iverjo

115 bytes: for(j=1080;j--;a=b=0){for(k=35;k--&&a*a+b*b<4;a=y)y=a*a-b*b+t*60/540-2,b=2*a*b+j/540-1;x.fillRect(t*60,j,1,S(k/9))}
u/iverjo

Here's one that draws faster: for(i=4;i--;){for(j=1080;j--;a=b=0){for(k=35;k--&&a*a+b*b<4;a=y,l=t*240+i)y=a*a-b*b+l/540-2,b=2*a*b+j/540-1;x.fillRect(l,j,1,S(k/9))}}
u/iverjo

Nvm, they depend on various variables being defined. I was fooled.
u/myJS

How about colors? t?i++:i=0;for(j=1080;j--;){a=b=0;k=35;for(;k--&&a*a+b*b<4;)c=a*a-b*b+i/540-2,b=2*a*b+j/540-1,a=c;x.fillStyle=R(k,j,i);x.fillRect(i,j,1,S(k/9))}
u/sfz

Nice enhancement myJS!
u/lionleaf

#scanline #slow_render #fractal #fractals

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