Dweets awesomed by u/toffee.apple

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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yonatan

function u(t) {

c.width|=m=2+C(t+=2*S(t))
x.transform(a=S(t)*m,b=C(t)*m,b,-a,960,540)
for(i=4e3;i--;x.fillRect(X,Y,s,s))s=4+2*C(i+t),X=S(i+t)*44*s,Y=i-2e3

Aug 19 2018 7:26 PM UTC

}// 138/140

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u/DataMeta

Ooooh yes!
u/katkip

Cute
u/aleamb

superb!

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toffee.apple

function u(t) {

c.width+=i=0;h=480;d=90;for(;i<h;){x.beginPath();H=d*C(i++/d-9*t);x.strokeStyle=R(H,d);x.ellipse(h*2,h+H,i,i/4,(t*h+i)/200,0,7);x.stroke()}

Aug 18 2018 3:17 AM UTC

}// 139/140

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toffee.apple

function u(t) {

c.width+=i=0;w=h=980;for(;i<900;i+=2){x.beginPath();d=80;H=d*C(i/d-4*t);x.strokeStyle=R(d-H,H,H);x.ellipse(w,h/2+H,i,i/3,0,0,7);x.stroke()}

Aug 18 2018 12:14 AM UTC

}// 139/140

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u/katkip

You aren't so bad at 3D stuff.

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toffee.apple

function u(t) {

M=Math;c.width=2e3;x.fillStyle=R(0,125*S(t)+125,0);w=2e3;u=t*600;x.arc(50+M.abs(w-(u+w)%w*2),(610*M.pow((u/205)%2-1,2))+300,80,0,7);x.fill()

Aug 12 2018 6:54 AM UTC

}// 140/140

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u/BirdsTweetCodersDweet

Don't name your variables u
u/BirdsTweetCodersDweet

M=Math;c.width=2e3;x.fillStyle=R(0,125*S(t)+125,0);w=2e3;j=t*600;x.arc(50+M.abs(w-(j+w)%w*2),(610*M.pow((j/205)%2-1,2))+300,80,0,7);x.fill()
u/BirdsTweetCodersDweet

Shorter version: c.width=w=2e3;x.fillStyle=R(0,125*S(t)+125,0);j=t*600;x.arc(50+Math.abs(w-(j+w)%w*2),(610*((j/205)%2-1)**2)+300,80,0,7);x.fill()
u/toffee.apple

thanks for the tips - u in particular is a forehead slap moment!

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