Dweets by u/kipkat

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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kipkat

remix of d/9833 by u/prplz

function u(t) {

for(i=70;i-=7;x.fillRect(C(q+i)*200+960+C(i+t/i)*250,S(q)*200+540+S(i)*250,32,32))q=t*4-i*i

Sep 15 2018 6:01 AM UTC

}// 91/140

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kipkat

function u(t) {

for(c.width=i=79,x.globalCompositeOperation="not"
;i--;x.fillRect(i*t%90,i*150%44,3,3))x.fillStyle=i%2?"red":"lime"

Dec 22 2017 10:32 AM UTC

}// 115/140

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u/Xen

are you actually trying to annoy me???
u/alien

he doesn't yet know that we know.

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kipkat

function u(t) {

c.width=900;半=450;for(i=0.0;i<260;i+=1){x.lineTo(半+C(i*(t+0.9)/10)*i,半*10/16+S(i*t/9)*i)};x.stroke();

Dec 20 2017 7:14 PM UTC

}// 101/140

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kipkat

function u(t) {

c.width|=3
for(j=1;j<11;j++)for(i=1;i<50*j;i++)x.fillRect(900+S(t+i/2)*100*j,500+C(t+i)*100*j,5,5)

Dec 20 2017 7:11 PM UTC

}// 98/140

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kipkat

function u(t) {

for(i=w=c.width=500;i--;)x.fillRect(w/2+C(t-i)*S(i/2)*w/3,w/4+S(i/1)*w/6,3,3)

Dec 20 2017 7:05 PM UTC

}// 77/140

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kipkat

function u(t) {

r=Math.random;x.beginPath();x.arc(960+C(t*2)*t*55,540+S(t*6)*t*95,25+r()*5,0,2*Math.PI);x.fillStyle=R(r()*255,r()*12,r()*12,.05);x.fill();

Dec 20 2017 6:59 PM UTC

}// 138/140

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kipkat

function u(t) {

x.fillStyle=R(S(t/5)*155,S(1+t/5)*155,S(2+t/5)*155);
t*=30;
x.fillRect(960+460*S(t/2)*t/270,540+460*C(t/10)*t/360,50,50);

Dec 20 2017 6:58 PM UTC

}// 121/140

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kipkat

function u(t) {

c.width=1920;x.beginPath();x.translate(960,550);x.scale(1,500)
  for(i=0;i<t*99;i++)
    x.lineTo(1000*C(t+i),10*T(t+i));
  x.stroke();

Dec 20 2017 6:52 PM UTC

}// 138/140

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kipkat

function u(t) {

a=S(t)
x.fillStyle=`hsl(${t*100%60},95%,${50+a*52}%)`
t||x.translate(960,540)
for(i=0;i<9;i++)x.rotate(.5),x.fillRect(X=i*9+a*800,X,s=i*9,s)

Dec 20 2017 6:51 PM UTC

}// 140/140

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kipkat

function u(t) {

w=c.width=400
for(i=8;i--;X=w/2+(Z=1/(2+C(p=1.666*i*5+(i<4)+t)))+t/10*S(p)*w/2,Y=Z*w/2-w/20,i==3?x.moveTo(X,Y):x.lineTo(X,Y),x.stroke());

Dec 20 2017 6:47 PM UTC

}// 137/140

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