Dweets by u/@no_identd

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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@no_identd

remix of d/4868 by u/Pjaerr

function u(t) {

c.style.background=R();x.fillStyle=R(...[S,C,T].map(_=>127*(_(t)+1)));a=1.3324789*frame;r=8*frame**.5;x.fillRect(r*C(a)+960,r*S(a)+540,8,8)

Jan 17 2018 3:23 PM UTC

}// 139/140

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https://link.springer.com/article/10.1007/s0… Golden *morphic* angle for circles. 76.34541 if you want degrees. Both are the best *and* shortest single float approximation respectively. The traditional golden angle of 137.50777 degree (2.3999631 radian) has its uses, but this one has a few more tricks up its sleeve.

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@no_identd

remix of d/4509 by u/ben

function u(t) {

function v(a,b,g,r){if(r>1){x.fillRect(a+=r*S(g),b-=r*C(g),.1,1)
v(a,b,g-1+C(t),r*=.7634541)
v(a,b,g+.1+S(t),r)}}c.width=540
v(250,270,0,80)

Jan 17 2018 2:00 PM UTC

}// 140/140

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@no_identd

remix of d/4101 by u/Xen

function u(t) {

g=1.618034
for(c.width|=Y=i=300;i--;x.fillStyle=R(Z=g^(C(i+t*4)*Y),Z*S(t),5-Z,.6))x.fillRect(i*g*10,Y+C(2*t+(i*76.34541))*g*100,t/g-g*t,Y)

Jan 17 2018 1:54 PM UTC

}// 138/140

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@no_identd

remix of d/4101 by u/Xen

function u(t) {

g=1.618034
for(c.width|=Y=i=300;i--;x.fillStyle=R(Z=g^(C(i+t*4)*Y),Z*S(t),5-Z,.6))x.fillRect(i*g*10,Y+C(2*t+(i*126.869896))*g*100,t/g-g*t,Y)

Jan 17 2018 1:53 PM UTC

}// 140/140

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