Dweets awesomed by u/Barth

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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CocoMeister

function u(t) {

for(i=0;i<1920;i++){
y=t*i*Math.random()
x.fillStyle="hsl("+y/3 +","+i+"%,50%)"
x.fillRect(i*Math.random(),y,15,15)
}

Apr 24 2018 6:53 PM UTC

}// 117/140

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#rainbow

u/CocoMeister

#color

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CocoMeister

function u(t) {

c.onmousemove=e=>m=e
c.width=1920
for(i=7000;i>=0;i-=20){x.fillStyle="hsl("+C(t/3)*i*4+",90%,30%)"
x.fillRect(m.x-i/2+700,m.y-i/2+500,i,i)}

Apr 24 2018 6:39 PM UTC

}// 139/140

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#rainbow #mouse

u/lionleaf

#interactive

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hollo47

function u(t) {

c.width=g=999;for(i=-70;40>i;i++)for(j=1;80>j;j++)f=500*i,h=j-t%1,l(),f+=500,l();function l(){x.lineTo(500+f/h,(g+270*S(7*f))/h)}x.stroke();

Apr 24 2018 2:03 PM UTC

}// 140/140

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Further learning perspective. Landscape experiment!

u/joeytwiddle

That's cool! #landscape #perspective
u/jylikangas

Nice! There are some golfing opportunities. 124 byte version...for(c.width=g=999,i=-70;40>i++;)for(j=80;--j;l(f+=500))(l=e=>x.lineTo(500+f/h,(g+270*S(7*f))/h))(f=500*i,h=j-t%1) x.stroke()

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jylikangas

remix of d/7171 by u/jylikangas

function u(t) {

for(i=110;i--;)for(j=64;j--;x.fillStyle=R(L*=1+j*i&79?(2+t%6)*j:200,x.fillRect(i*T,j*T,T=18,T),L*2))L=!(j/8<6+C(i-j-t)&(j/9>3+S(i|3)|j%7<1))

Apr 23 2018 9:32 AM UTC

}// 140/140

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Neon city wakes up

Show more comments…
u/sigveseb

even better than before!
u/sigveseb

#city
u/BalintCsala

Sorry for the language, but what the fuck
u/iverjo

Nice! Better colors than your previous version https://www.dwitter.net/d/7171 #cityscape #pixel
u/hollo47

I love that there is so much going on in its 8bit aesthetic! Wouldn't mind this becoming a new trend!
u/zanella

The reflection doesn't match the buildings. Lame.
u/zanella

JUST KIDDING! It's freaking awesome!
u/jylikangas

Darn I knew there was a bug in there somewhere. :D
u/jylikangas

http://jsriffs.blogspot.fi/2018/04/making-of…
u/zanella

Thanks for the making of post, wish every cool dweet had one of those!
u/joeytwiddle

#landscape #scene #water
u/iverjo

#makingof

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cagr30

function u(t) {

for(x.fillRect(0,0,2e3,2e3),W=960,j=99;--j;)for(i=16;i--;x.clearRect(W+S(p=.39*i+j/4-6.03*V)/Z*W,540+C(p)/Z*W,s=99/Z,s))Z=j-t*6+(V=(t*6)|0)

Apr 21 2018 7:32 PM UTC

}// 139/140

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u/iverjo

#tunnel

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fervour

function u(t) {

t?a+=S(t):a=1;x.fillStyle=`hsla(${t*200},100%,50%,0.1)`;x.drawImage(c,C(a)*8,S(a)*16);x.font="300px s";x.fillText("ლಠ益ಠ)ლ",300,650)

Mar 28 2018 6:44 PM UTC

}// 131/140

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Twinji

function u(t) {

v=3e3;x[s='fillStyle']=R(0,0,0,.03);x[r='fillRect'](0,0,v,v)
for(i=0;i<50;i+=.1){x[s]=R(v,0,T(i)*v);Z=F=>5e2+F(i*t)*i*i;x[r](Z(C),Z(S),i,i)}

Mar 15 2018 3:10 PM UTC

}// 140/140

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u/joeytwiddle

Pretty!

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41407

function u(t) {

w=c.width;h=c.height;p=Math.random;x.fillStyle=~t%2==0?'purple':'teal';x.fillRect(p()*w,p()*h,7,7);x.drawImage(c,-10+p(),-5.1,w*1.01,h*1.01)

Jan 23 2018 6:42 PM UTC

}// 140/140

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u/donbright

thats quite interesting how it eventually evolves into little point lights
u/41407

Yeah, I came up with this trying to figure out how to implement a starfield type thing

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ellisk1

function u(t) {

c.width|=z=4+C(t);r=89;f=a=>x.lineTo(250*z+r*C(q=a-S(t+a)/3)*z,99*S(2*t)+r*z*(1+S(q)));f(0);f(1.3);f(2);f(2.5);f(0);f(2);r=99;f(2);x.fill()

Jan 23 2018 4:09 AM UTC

}// 139/140

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Flying Paper Airplane

Show more comments…
u/donbright

:)
u/sigveseb

Nice idea
u/trupples

Woah
u/aleamb

Great idea. Very nice dweet.
u/Qwitter

Cool
u/Xen

but is it flying towards or away?
u/ellisk1

Good question! It's up to the viewer haha
u/mrbhawk

This is my favourite dweet ever.
u/aleamb

the most elegant dweet ever seen
u/hollo47

#paperplane #elegant
u/joeytwiddle

#model

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nystrand

function u(t) {

for(c.width=777,x.scale(i=23,i);i--;x.fillText([...'🍒🍊🍉🍺🍀'][t&&p<19?x[i]:x[i]=p*t*i%5|0],A,(i%3*11+3+p*p)%33))p=T(t+(A=i-i%3<<2)/2)/3

Jan 19 2018 9:46 PM UTC

}// 133/140

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u/Qwitter

'🍺🍺🍺🍺🍺'
u/lionleaf

Do you ever win?
u/Qwitter

'💣🕸🤦🏻‍♀️💩🏆' sort of
u/joeytwiddle

#game #tribute
u/joeytwiddle

#slots

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