Dweets by u/quuxman

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: #Opposites

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quuxman

function u(t) {

r=q=>(S(t*q+i*9)+1)*n%n
n=1e3
for(i=500;i--;x.strokeStyle=R(r(1)/4,r(2)/4,r(3)/4,r(4)))x.strokeRect(r(5),r(6),r(7),r(8))

Jan 2 2018 7:58 AM UTC

}// 120/140

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(ridiculously pseudo)random squares

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quuxman

remix of d/5210 by u/satinxs

function u(t) {

f=frame;
s=v=>f<<v&255;
x.fillStyle=R(s(0),s(2),s(4),255);
for(i=0;i<t;i+=.01)
x.fillRect(960+t*99*C(f*i),540+t*99*S(f*i),S(t)*8,C(t)*8);

Jan 2 2018 7:14 AM UTC

}// 137/140

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sped it up simply

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quuxman

function u(t) {

P=q=>(S((t|0)*q*99)+1)*1e3%2e3
for(j=20;j--;x.fillStyle=R(P(j),P(j+1),0))for(i=15;i--;)x.fillRect(S(i)*(r=(t%1)*400)+P(j),C(i)*r+P(j+1),4,4)

Jan 1 2018 11:02 AM UTC

}// 140/140

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2017++ and the fireworks burst through the crucible of byte reduction

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quuxman

remix of d/4911 by u/wclang

function u(t) {

A=(a,b)=>{for(i=w;i-=8;x.beginPath())x.arc(a%w,b%(w/2),i,0,7),x.stroke()}
c.width=w=808
A(a=s=9*t,a)
A(a=w-s%w,a)
A(t*2,s)

Dec 31 2017 10:50 AM UTC

}// 122/140

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fair amount of bytes left to go nuts :)

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quuxman

remix of d/4867 by u/gabeu

function u(t) {

c.width+=0;for(i=3e3;i--;x.fillStyle=R(128*(1+C(i/1e3)),128*(1+S(i/1e3)),9))x.fillRect(950*(2+C((1+T(t/7))*i/99))-950,500*(1+S(i/99)),9,9)

Dec 30 2017 8:55 PM UTC

}// 138/140

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Simply made it bigger :)

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quuxman

function u(t) {

p=t?p:Array(9e3).fill(0)
for(i=0;i<9e3;x.fillRect(p[i+=2]+=(p[i+1]+=Math.random()-.5)%2e3,p[i+2]%1e3,9,9))
x.fillStyle=R(S(t*5)*120,0,0,.3)

Dec 29 2017 10:45 AM UTC

}// 139/140

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u/Zikoat

i was looking for a way to initialize a variable, good one!
u/quuxman

Yah, stole it from u/Xem or someone
u/joeytwiddle

#virus #outbreak
u/vain

Amazing!

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quuxman

remix of d/4607 by u/quuxman

function u(t) {

x.beginPath()
r=1100
for(i=0;i<355;i+=3.14+C(t/200))x.lineTo(S(i)*r+960,C(i)*r+540)
x.fillStyle=R(c=(S(t)+1)*30,10,c*3)
x.fill('evenodd')

Dec 29 2017 7:36 AM UTC

}// 137/140

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full range of patterns takes ~10.5 minutes

u/iverjo

Impressive tunnel!

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quuxman

function u(t) {

x.beginPath()
r=1100
for(i=0;i<300;i+=2+(t/1000)%2)x.lineTo(S(i)*r+960,C(i)*r+540)
x.fillStyle=R(c=(S(t*2)+1)*120,c,c*2)
x.fill('evenodd')

Dec 29 2017 6:36 AM UTC

}// 138/140

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quuxman

function u(t) {

for(a=i=1e3;i--;x.fillStyle=R(c=i/5,0,i*9%255,i/a))x.save(),x.translate(a+S(c)*i,500+C(c)*i),x.rotate(t),x.restore(x.fillRect(0,0,i/5,i/9))

Dec 29 2017 3:30 AM UTC

}// 139/140

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quuxman

function u(t) {

for(i=1e4;i--;x.restore())a=i%2?0:i%45,x.fillStyle=R(a,a,a*6,.3),x.save(),x.translate(i%201*40,i/9),x.rotate(i%99/9+t),x.fillRect(0,0,40,40)

Dec 28 2017 11:24 PM UTC

}// 140/140

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Thanks to u/Xen for code reduction help

u/Xen

we're all here to help each other, you're very much welcome.

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