Dweets awesomed by u/PiggyClone205

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #ScaryMovies

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function u(t) {

with(x)beginPath(),lineWidth=6,drawImage(c,8,8,1904,1064),strokeStyle=R(t*16&128,T(t)*8,T(t*80)*40),arc(960,540,600*S(t/8)+500,0,7),stroke()

Mar 30 2018 10:13 AM UTC

}// 140/140

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u/innovati

🌈🌀

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jylikangas

function u(t) {

with(x)for(i=16,c.width=198;i--;stroke()&drawImage(c,globalAlpha=.1,i))lineTo(99+S(t+=(7-i)%2/.64)*99/(Z=(t<6)+1+C(t)),49+((i%4/2<<6)-25)/Z)

Mar 28 2018 5:24 AM UTC

}// 140/140

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White room traps you!

Show more comments…
u/aemkei

Stunning. As always.
u/joeytwiddle

Whoa! 😮
u/zanella

There's. A. Reflection. In. The. Floor.
u/loni_art

jesus!
u/iverjo

Well done!
u/DirtyDan

Remixed: d/7500
u/DirtyDan

whoops, wrong dweet
u/DirtyDan

Well this was a train wreck, wrong link too
u/jylikangas

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

#renderer #reflection #raytrace (or looks like it anyway)

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Agnes

function u(t) {

with(x)for(w=c.width=1920,i=500,translate(w/2,540);i--;r=w/i,rotate(T(t/75)),strokeStyle='#'+5*i,strokeRect(m=-r/2,m,r,r));

Mar 25 2018 5:08 PM UTC

}// 123/140

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(Also looks way better in full screen.)

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BirdsTweetCodersDweet

remix of d/7446 by u/prplz

function u(t) {

c.width=w=800
t||(x.fillText(x[f='font']=1+x[f],0,90),d=x.getImageData(0,0,w,w))
for(i=w;i--;)x.putImageData(d,0,T(i/2+t*9)*9+200,i,0,1,w)

Mar 25 2018 2:49 PM UTC

}// 138/140

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A E S T H E T I C C

u/joeytwiddle

#text
u/PiggyClone205

Neat.

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Batrachus

function u(t) {

d=700
for(c.width+=i=0;i<d;){X=S(99*i)
Z=C(55*i)
B=(4-Z*C(t)+X*S(t))/d
x.fillRect(d+(X*C(t)+Z*S(t))/B,d+C(9*i++)/B,.03/B,.03/B)}

Mar 10 2018 1:10 PM UTC

}// 129/140

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Kudos to anyone, who can modify this to show something slightly more interesting. C(9*i++) is the Y function.

u/lionleaf

Changing to 99*i makes it a cylinder! d/7275
u/prplz

Different cylinder and modified loop d/7279
u/BirdsTweetCodersDweet

9*i makes a cylinder too
u/BirdsTweetCodersDweet

for(c.width+=i=0;i<d;){X=S(9*i) Z=C(99*i) is cool
u/BirdsTweetCodersDweet

d=1e3 for(c.width+=i=0;i<d;){X=S(9*i) Z=C(99*i) B=(4-Z*T(t)+X*S(t))/d x.fillRect(d+(X*C(t)+Z*S(t))/B,d+C(9*i++)/B,.03/B,.03/B)} is even better

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dogspace

function u(t) {

x.fillStyle='red'
if(!t)x.fillRect(0,400,2,400)
x.globalCompositeOperation='difference'
x.drawImage(c,2,S(t))
x.drawImage(c,2,C(t))

Feb 16 2018 5:21 AM UTC

}// 131/140

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u/Xen

nice effect

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Max1412

function u(t) {

v=300
c.width|=0
l=t/20
for(i=0;i<7;i+=1/v){b=C(l)*20
m=i*S(l)*20
x.fillRect((C(i*b)-C(m)/2)*v+v*3,(S(i*b)-S(m)/2)*v+v*2,7,7)}

Feb 9 2018 11:02 AM UTC

}// 126/140

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jonathan_b

remix of d/6724 by u/jonathan_b

function u(t) {

with(x)for(s=i=c.width|=0;i-=4;beginPath(fill()))r=T(i*2+S(t+i*3))*420,arc(s/2+r*2,500+r*T(i),i/7,0,7),fillStyle=`hsl(${r/3},70%,${i/12}%)`

Feb 5 2018 4:06 AM UTC

}// 139/140

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u/iverjo

Stylish!
u/PiggyClone205

A E S T H E T I C

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yonatan

remix of d/6590 by u/Jezza

function u(t) {

for(c.width|=i=0;i<6.28;i+=6.28/999)f=C(i),g=100,k=3**f-2*C(4*i)-S(i/12)**5,x.fillRect(960+S(i)*k*g*S(t*15),540-f*k*g,44,44);

Jan 29 2018 12:27 PM UTC

}// 125/140

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u/joeytwiddle

Cute!
u/joeytwiddle

#cute

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bepisTM

function u(t) {

if(t)c.width=192;else v=0,h=50
c.onclick=p=>h==50&&(v=-3)
x.fillText("🚗",90+20*S(t),h=Math.min(h+(v+=.2),50))
x.fillRect(0,52,192,99)

Jan 28 2018 11:10 AM UTC

}// 133/140

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click to jump

u/joeytwiddle

+1 click to jump :D

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