Dweets by u/robbyg

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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robbyg

remix of d/8195 by u/Barth

function u(t) {

with(x){for(a=192,c.width|=0;a--;)b=540+S(a/8-t)*40,lineTo(a*10,b);stroke();font="5em a";translate(980,b);rotate(C(t)/3);fillText("🚴",0,0)}

May 23 2018 7:49 PM UTC

}// 139/140

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u/Barth

He looks better

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robbyg

remix of d/7417 by u/robbyg

function u(t) {

R=Math.random,t||(p='m 960 540')
x.lineWidth=3
x.stroke(new Path2D(p+=[['h','v'][~~(R()*2)],20*(R()>.5?1:-1)].join(' ')))

May 21 2018 9:28 PM UTC

}// 121/140

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robbyg

remix of d/8123 by u/robbyg

function u(t) {

x.font='5em arial';for(i=63;i--;)x.fillText('◠◡◜◝◟◞'[~~(Math.random()*6)],i*32,t*1920)

May 18 2018 9:00 PM UTC

}// 86/140

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Brains or clouds?

u/firegodjr

Could be a giant wad of chewing gum tbh
u/firegodjr

#charmatrix

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robbyg

remix of d/8103 by u/robbyg

function u(t) {

x.font='2em arial';for(i=63;i--;)x.fillText('◢◣◤◥'[~~(Math.random()*4)],i*32,t*1920)

May 17 2018 9:08 PM UTC

}// 84/140

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#truchet tiles

u/firegodjr

#charmatrix

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robbyg

remix of d/6369 by u/tmcw

function u(t) {

for(i=200;i--;)x.fillText('╲╱'[~~(Math.random()*2)],i*10,t*600)

May 15 2018 2:00 PM UTC

}// 63/140

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Micro #maze

u/magna

57: for(r=i=200;i--;r+=r*t|4)x.fillText('╲╱'[r&1],i*10,t*600)
u/magna

56: for(r=i=2e3;i-=10;r+=r*t|4)x.fillText('╲╱'[r&1],i,t*600)

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robbyg

function u(t) {

c.width^=0;for(i=h=540;i--;)x.lineTo(960+C(i)*h*S(t-i**4),h+S(i)*h*C(t+i**4));x.strokeStyle=`hsl(${t*60},80%,30%)`,x.stroke(),x.beginPath()

Apr 4 2018 9:47 PM UTC

}// 139/140

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robbyg

remix of d/7550 by u/prplz

function u(t) {

for(X=120;X--;)for(Y=68;Y--;x.fillRect(X*16,Y*16,16,16))x.fillStyle=`hsl(${S(X**2+Y**2+t)*120},50%,50%)`

Apr 3 2018 4:46 PM UTC

}// 104/140

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Happy spring!

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robbyg

remix of d/7491 by u/xem

function u(t) {

c.width^=0;x.font="5em a";for(i=66;i--;)for(j=36;j--;)x.fillText([..."◜◝◟◞"][~~(Math.random()*4)],i*30,j*30)

Mar 28 2018 9:41 PM UTC

}// 108/140

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robbyg

function u(t) {

for(i=3e3,s=75+C(t)/9,z=30;i--;)x.fillStyle=R(z,s+z,200+C(i/3)*z,.6),x.fillRect(C(t+i/7)*z+z*(i%s)-s,S(t*4+i/9)*z+z*(i/s)-s,s,s)

Mar 26 2018 8:53 PM UTC

}// 128/140

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Afternoon on the lake.

u/robbyg

#water

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robbyg

function u(t) {

t||(p='m 960 540',d=0);x.stroke(new Path2D(p+=['l',C(d+=.1)*t,S(d)*t].join(' ')))

Mar 22 2018 7:47 PM UTC

}// 81/140

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My first look at Path2D.

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