Dweets awesomed by u/prplz

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: #Food

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keithclark

function u(t) {

with(x)for(c.width=L=a=255,globalCompositeOperation='exclusion';a-=5;arc(v=S(G+=t)*90+L/2,v/2,a,~beginPath(fill()),6))fillStyle=R(L,G=a%2*L)

Mar 7 2018 5:56 PM UTC

}// 140/140

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I was hoping for a more interesting vertical path but couldn't find enough bytes.

u/AnnanFay

S(G+t) saves a character.
u/keithclark

Thanks - that was left over from a previous optimisation for computing a different Y offset

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keithclark

function u(t) {

for(c.width|=$=256;$--;)x.fillStyle=R(z=$%15,x.font=z*8+"pt a",x.fillText('❄',($*1e6+S(t+$)*z*3)%2050-99,(z*t*30+$*$)%2050),z/15)

Mar 7 2018 1:06 PM UTC

}// 129/140

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u/prplz

☃
u/keithclark

#snow

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prplz

function u(t) {

c.width|=0
x.scale(60,60)
for(i=20,z=t*10%576;i--;)x.fillRect(z&32?31-(z&31):z&31,z-->>5,.9,.9)

Mar 7 2018 12:21 PM UTC

}// 95/140

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snake

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prplz

function u(t) {

q=30;for(X=64;X--;)for(Y=32;Y--;x.fillRect(X*q,Y*q,q,q))x.fillStyle=`hsl(${((X+32)^Y)*4+S(t*2)*10+t*16},75%,50%)`

Mar 7 2018 6:18 AM UTC

}// 113/140

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magna

function u(t) {

c.width|=s=[]
x.font='200px arial'
for(p in x)s=s.concat(p.split(/(?=[A-Z])/))
x.fillText(s.map(w=>w.toUpperCase())[t*5%s.length|0],0,600)

Mar 7 2018 12:27 AM UTC

}// 138/140

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Some inspirational words

u/Xen

:-)
u/magna

#text

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yonatan

function u(t) {

c.width|=0
a=S(t)
b=C(t)
x.transform(a*66,b*9,b*-9,a*66,960,540)
for(i=9;i--;x.fillText('Dwitter',a*i/8-16,b*i/8+3))x.fillStyle=R(i?44:199)

Mar 6 2018 2:26 AM UTC

}// 139/140

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u/prplz

Nice 3d effect!
u/M1T0

very cool

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AnnanFay

function u(t) {

c.width=576
for(z=2479;z--;p>0&&x.fillText(z**17%9,X,z%37*9))X=z%67*9,p=(t/(1+X**3.8%7)-1-z%37/36)%2,x.fillStyle=R(l=(p>1/36)*99/3**-p,l,l)

Mar 5 2018 5:47 AM UTC

}// 139/140

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Digital Rain

u/zanella

My dream came true. Thanks!!
u/joeytwiddle

#matrix

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DirtyDan

function u(t) {

c.width+=0
t+=T(S(t)+C(t))
for(i=0;i++<240;)a=t*i/480,x.beginPath(),x.ellipse(i*8,540,270*(1+S(a)),270*(1+C(t)),S(a),0,7),x.stroke()

Mar 5 2018 12:33 AM UTC

}// 132/140

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u/joeytwiddle

The struggle is real

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M1T0

function u(t) {

for(c.width|=j=3;j--;T=400)for(g=S(t)<.9?0:(t+j)**8%60,k=9;k--;x.fillRect(T+k*99+S(t)*T+g,T+g,50,200))x.fillStyle=g&&'#'+'0ff0f'.substr(j,3)

Mar 4 2018 10:22 PM UTC

}// 140/140

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Glitch

Show more comments…
u/M1T0

Thanks to u/BirdsTweetCodersDweet u/yonatan u/akm and u/AnnanFay for making this dweet so short!
u/prplz

Nice substring usage
u/M1T0

thhat was from u/yonatan he made it shorter this way
u/fujimotos

I really like this. Your idea is so clever.
u/M1T0

Yea at least the idea is mine :P, thanks!
u/DirtyDan

This is some crazy code
u/joeytwiddle

#default #glitch

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prplz

remix of d/4740 by u/E-Mouse

function u(t) {

with(x)for(c.width|=q=255;q--;)fillStyle=R(q,q,q),beginPath(),arc(960+(z=400-q)*C(q+t),540+S(z)*z,40,0,7),fill()

Mar 4 2018 10:53 AM UTC

}// 112/140

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u/M1T0

This one looks really nice

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