Dwitter

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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nic

remix of d/4509 by u/ben

function u(t) {

c.width=500
function v(a,g){if(g>1){x.beginPath();n=g*C(t)
x.moveTo(a+n,g);x.lineTo(a,g*2);x.lineTo(a-n,g);x.stroke()
v(a-n,g/2)}}v(250,125)

Dec 29 2017 8:21 PM UTC

}// 143/140

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nic

function u(t) {

k=460
for(i=255;i--;)
{x.fillStyle=R(255-i-(t%9-4)*50,255-i,255-i+(t%5-2)*50,0.02)
x.fillRect(k*2+2*k*C(t*2+i/9),k+k*S(t*2-i/8),99,99)}

Dec 29 2017 6:58 PM UTC

}// 138/140

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Xen: my kind of dweet :-D

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nic

function u(t) {

c.width|=0
for(i=0;i<1000;i++){
q=i/100-5
w=i%100/10-5
e=i%10-5
p=S(t)*e+C(t)*w
v=C(t)*e-S(t)*w-20
x.fillRect(999+q/v*999,500+p/v*999,9,9)}

Dec 28 2017 9:57 PM UTC

}// 146/140

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nic

function u(t) {

c.width|=0
for(i=0;i<1<<16;i+=40){b=i>>6
a=i-((i>>11)<<11)
x.fillStyle=R((C((a+t/9)*C(t))+1)*128,0,C((b-t)*S(t))*2e3)
x.fillRect(a,b,41,41)}

Dec 28 2017 8:55 PM UTC

}// 144/140

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nic

function u(t) {

a=(1+C(t))*1e3
b=(1+S(t))*2e3
c=(1+C(t/2))*1e3
d=C(t/2.1)*3e3
x.fillStyle=R(a,d,b)
for(i=0;i<1;i+=1e-3)
x.fillRect(b*i+d-d*i,a*i+c-c*i,5,5)

Dec 28 2017 4:29 PM UTC

}// 145/140

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nic

function u(t) {

for(i=255;i>=0;i--){
x.fillStyle=R(i,i,255)
x.fillRect(900+800*S(t-i/255)-i/128, 500+200*C(5.14*(t-i/255))-i/128, 50+i/64, 50+i/64)
}

Dec 28 2017 2:54 PM UTC

}// 136/140

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Dwitter | nic (50)