Hot dweets 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: #Opposites

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iverjo

function u(t) {

for(i=8e3;i--;)s=149/(i+99),c=S(8e4*s),x.fillStyle=R(9,99+49*c,29),x.fillRect(2e3*(T(i/9)+s*t)%2e3,2e3*s,99*s,99*s)

Jul 22 2016 11:39 PM UTC

}// 115/140

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#grass

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iverjo

function u(t) {

r=Math.random;if(t<22)for(i=8e3;i--;)X=2e3*r(),x.fillStyle=R(c=99+129*(S(X/399)+1)*r(),c,c),x.fillRect(X,1080*r(),3*T(i)*r(),r()/(t/2+1))

Jul 22 2016 12:45 PM UTC

}// 137/140

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Brushed aluminium

u/greentec

metal! yeah
u/sigveseb

Now do rock :D
u/sigveseb

\m/
u/iverjo

#texture

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iverjo

remix of d/286 by u/iverjo

function u(t) {

t=t%4;if(t<.1)r=X=Y=0,W=c.width=960,H=540;for(i=W*4;i--;)x.fillRect(X=(X+S(r+=.5-Math.random())%W+W)%W,Y=(Y+C(r)%H+H)%H,A=5/(1+t*9),A)

Jul 21 2016 1:21 PM UTC

}// 134/140

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u/sigveseb

almost looks like a map!
u/joeytwiddle

Whoa! When I was younger I used to have nightmares about this damn thing. I would clean it all away but then it would come creeping back. Weird that you found it in 2016!
u/iverjo

#random

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iverjo

function u(t) {

w=c.height=1e3;n=99;for(i=n;i--;)s=n/(i*6+n),x.font=s*n+'px A',x.fillText(String.fromCharCode(10052),w+1100*S(s*w*2+t/59),w*(T(i)+s*t)%1200)

Jul 22 2016 3:48 PM UTC

}// 140/140

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u/donbright

oh this is excellent
u/donbright

you can golf this by using fillText('❄',....
u/iverjo

#snow

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iverjo

function u(t) {

w=c.width=300;x.fillRect(0,87,w,3);x.font='49px A';for(i=7;i--;)x.fillText(String.fromCharCode(55357,56989-(i?0:27)),310-t%4*210+i*46,90)

Jul 22 2016 8:54 PM UTC

}// 137/140

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Choo choo

u/sigveseb

Looks very different on different platforms, but hella creative! Nice ^^
u/iverjo

Yeah, it seems that it works correctly only in FF, Opera and Chrome on Windows. Thanks :)
u/iverjo

#train

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iverjo

function u(t) {

for(i=4e3;i--;)c=155+99*S(t+4*S(i*9)),x.fillStyle=R(99+c,c),s=45/(9-(t+i/100)%9+1),x.fillRect(960+25*s*C(i),540+25*s*S(i),s,s)

Jul 21 2016 2:56 PM UTC

}// 126/140

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Solar beams

u/iverjo

#sun

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iverjo

function u(t) {

c.width=1920;for(j=64;j--;)for(i=120;i--;)a=1+S((i^j)/9+4*t|0),x.fillStyle=R(a*30,160-a*30,a*50+30*S(t),a/2),x.fillRect(i<<4,j<<4,16,16);

Jul 21 2016 5:28 PM UTC

}// 137/140

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u/sigveseb

woop, the gameboy colors are back!
u/iverjo

\o/

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iverjo

function u(t) {

c.width=1920;x.font='500px A';x.textAlign='center';x.fillText(String.fromCharCode(55357,56906-[0,2,1,2][0|t*1.2%4]),960,650)

Jul 23 2016 4:17 PM UTC

}// 124/140

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u/sigveseb

lol
u/iverjo

#monkey

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iverjo

function u(t) {

for(i=8e3;i--;)s=149/(i+400),c=S(8e3*s-t*7),x.fillStyle=R(9,99+99*c,159+99*c,.2),x.fillRect(2e3*(T(i/9)+s*t)%2e3,3e3*s,q=99*s,q)

Jul 20 2016 3:55 PM UTC

}// 128/140

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Water

u/magna

Awesome!
u/iverjo

#water

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iverjo

function u(t) {

for(i=6e3;i--;)s=149/(i+200),p=i/97+t*2,c=S(p)*199+T(p)*19,x.fillStyle=R(c,y=99+c,y,.1),x.fillRect(2e3*(T(i/9)+s*t)%2e3,3e3*s-74,q=99*s,q)

Jul 21 2016 3:38 PM UTC

}// 138/140

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Go fullscreen and imagine that you are in a boat travelling to the left. Imagine that you are looking through a wet window, and notice the raindrops that are sliding down the window.

u/PhiLho

Nice! Actually, I see more Peter Gabriel's first solo album cover: http://www.soundstation.dk/images/products/l…
u/iverjo

#water

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