Top dweets of all time

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: #Food

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Erazed

function u(t) {

w=c.width=2e3;h=5e2;for(i=1e-3;i<9;){X=1e3+i*99*C(3*t/i);Y=h+i*99*S(3*t/i);x.moveTo(X,Y);x.arc(X,Y,i++<1?60:i>6?25-2*i:i<5?i:3,0,9)}x.fill()

Jan 3 2018 11:25 PM UTC

}// 140/140

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eviltoad

remix of d/5428 by u/eviltoad

function u(t) {

t||(a=s=1);f=(n)=>n<0|n>2080?s*=-1:x.fillRect(0,a=n,2920,50*Math.random());x.fillStyle=R(a*S(t/.1),a*C(t+.1),a*S(t));f(a+s);x.rotate(a);

Jan 3 2018 10:37 PM UTC

}// 136/140

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JonasPeeters

function u(t) {

c.width=2e3
for(i=0;i<999;i++){
x.fillRect(S(i+t)*350+960,C(i+t)*350+550,4,(C(i))*350)
}

Jan 2 2018 4:13 PM UTC

}// 88/140

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magna

remix of d/5115 by u/BackendForth

function u(t) {

c.width|=0
for(i=10;i--;)x.fillRect(960+500*C(q=.628*i+t),540+300*S(q),139,39)
x.fill(x.arc(1510,403-119*C(t*5)**2,39,0,7))

Jan 2 2018 4:05 PM UTC

}// 123/140

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u/Xaviaro

Haha great!

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crimbles

remix of d/5227 by u/crimbles

function u(t) {

t||x.translate(980,540);
for(var i=0;i<1000;i++){
x.fillStyle=R(10/(t%1),100*(t%1),80);
x.fillRect(i,i,t/2,i);x.rotate(S(T(i/t)))}

Jan 2 2018 1:28 PM UTC

}// 130/140

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Louder and louder

u/magna

Great!

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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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BackendForth

function u(t) {

v=Math.random
w=256
x.fillStyle=R(v()*w,v()*w,v()*w)
x.fillRect(0,540+S(t)*t*9,9,9)
p=C(t)*C(t)
x.drawImage(c,8+p*8,4.5+S(t)*4.5,1904,1071)

Jan 2 2018 5:33 AM UTC

}// 139/140

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u/quuxman

alien warp crystal
u/johnp

holy shit

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Loomy

function u(t) {

c.width=2e3
k=50
for(i=0;i<t*250;)
x.fillRect(k+i%k*k,k+i++,k,k)
x.font=400+'px x'
x.fillStyle='#FFF'
x.fillText('2018',450,750,2e3)

Jan 2 2018 1:46 AM UTC

}// 132/140

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u/sigveseb

Ohh, the reveal!
u/Loomy

I wanted to write Happy New Year, but I did not have enough characters haha

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CliffJonesJr

function u(t) {

M=245
x.font='99px A'
onmousemove=e=>{x.fillStyle=R(a=e.shiftKey*M,b=e.ctrlKey*M,M-a-b,.2)
x.fillText('●',e.clientX*3.3,e.clientY*3.5)}

Jan 1 2018 11:16 PM UTC

}// 135/140

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Finger painting! Blue is the default color. Hold SHIFT for red, CTRL for green, or SHIFT+CTRL for yellow.

Show more comments…
u/CliffJonesJr

TODO: Remix this to be mobile-friendly somehow. This works on a MacBook, but probably not much else since the scalars I use for clientX and clientY are very ad hoc.
u/trupples

Nice one! I love this wave of mouse input dweets :D Btw you can use e.x and e.y instead of e.clientX/Y to shave off some bytes
u/CliffJonesJr

@trupples Wha?!! Yeah, I should have tried that. Derp.
u/CliffJonesJr

Anybody know how I can make this more cross-platform? Remixes welcome!
u/wclang

Thanks, trupples, for the tip about mouse input!!
u/rippedspine

so nice! i solved the cross-platform thing in this dweet https://www.dwitter.net/d/5168 :D
u/CliffJonesJr

Thanks @rippedspine! I just posted a remix that works better across devices: https://www.dwitter.net/d/5403
u/iverjo

#interactive

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doof

remix of d/4937 by u/doof

function u(t) {

if(!t)with(document)for(l=localStorage,write(`<pre>${location.origin.bold()} localStorage:`);k=l.key(t++);)write(`\n\n${k.bold()}\n${l[k]}`)

Jan 1 2018 1:24 PM UTC

}// 140/140

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(this dweet is vulnerable to cross-dweet scripting)