Top dweets by u/Agnes

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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Agnes

function u(t) {

T=new Date().getTime()/1e3;for(O=t?O:T,c.width|=i=3,x.scale(10,10);i--;x.fillText(i>1?t:i?M=T-O:f=t?f:0,9,30+30*i));f++;for(j=1e3*~~t;j--;);

Apr 16 2018 8:45 AM UTC

}// 140/140

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Dweet illustrating how t diverges from time reported by getTime() as framerate gets lower. Warning: this dweet intentionally loops for longer and longer, and will probably eventually lock your browser if you have it on screen for 20 minutes.

u/joeytwiddle

T=Date.now()/1e3 to save 10 chars ;-)
u/BuRRak

new Date/1e3 to save 12 bytes actually

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Agnes

function u(t) {

with(x)for(c.width|=i=9,scale(m=100,m);i--;rect(4+i+S(t)*3,4,.5,2));with(x)clip(),strokeStyle='red',beginPath(),arc(9,5,3+C(t),0,7),stroke()

Mar 19 2018 12:15 PM UTC

}// 140/140

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Agnes

function u(t) {

for(c.width|=i=9,f=t>1.4,x.scale(m=100,m);i--;)with(x)fillRect(e=4+i+S(f?1.4:t)*3,4,.5,2),font=i+'px A',fillText(f?"ゴ":'',e,6+i)

Mar 5 2018 2:26 PM UTC

}// 128/140

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The joke was going to be that everything turned sepia (#7F462C) after it stops but I couldn't find any way to get that below 152 characters. I'd be really impressed if someone found a way.

u/katkip

#jojo

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Agnes

function u(t) {

w=c.width+=0;x.translate(w/2,540);A=[...new Array(w).keys()];A.forEach(i=>{with(x)fillStyle='#'+i,rotate(i),fillRect(0,0,5*T(i/(10*t)),w)});

Mar 4 2018 7:43 PM UTC

}// 140/140

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Agnes

function u(t) {

c.width+=0;A=[...new Array(w=1920).keys()];A.forEach(i=>{q=i/w;x.fillStyle=R(255*q),x.fillRect(i,540+300*S(t/100+w--)*C(i*C(t/100)),5,5)});

Mar 4 2018 6:00 PM UTC

}// 139/140

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There's potential in the A=[...new Array(w=1920).keys()];A.forEach(...) method.

u/prplz

It takes less characters to do a backwards for loop. for(i=w=c.width|=0;i--;)code
u/prplz

d/7165

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Agnes

function u(t) {

w=c.width+=i=0;m=90+85*S(t);for(;i<m;i++){x.fillStyle=`hsl(${m},100%,50%)`;d=i/m;x.fillRect((960+760*C(t**S(t+d)+d))%w,365+m*C(t+d),m*d,9)}

Jan 7 2018 8:57 AM UTC

}// 139/140

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Agnes

function u(t) {

w=1920;h=1080;t==0&&(x.fillStyle='#c22',x.fillRect(0,0,w,h)),t>0&&(u(t-.5),x.fillStyle=R(5*t,255-t,t),x.fillRect(w/2-t*S(t),h-5*t,t,.1*t))

Jan 5 2018 10:35 PM UTC

}// 138/140

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Agnes

function u(t) {

w=1920;m=255;n=128;f=t;c=1+.5*C(f);s=1+.5*S(f);x.fillStyle=R(0,m+n*S(f),m-n*S(f));x.fillRect(0,0,w,w);s=.6*S(f),x.setTransform(c,s,s,c,0,0)

Jan 5 2018 2:30 PM UTC

}// 139/140

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