Dweets by u/GandalfUFR

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: #ScaryMovies

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GandalfUFR

function u(t) {

a=99;b=7;d=a-b;f=93*t;e=f*b/a;g=f*d/a
z=d*C(e)-b*5*C(g);y=d*S(e)+b*5*S(g)
for(i=0;i++<9;)x.fillRect(191*i+z,540+y,5,5);x.translate(8*S(f),0)

Apr 27 2019 2:36 PM UTC

}// 140/140

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Let's pixel it together ...

u/joeytwiddle

Sauron gave the Nine rings to powerful men. All of them fell under the rings' dominance, and they became the Nazgûl (Ringwraiths), spirits of terror whom Sauron could command.

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GandalfUFR

function u(t) {

a=60;b=6;d=a-b;f=10*t;e=f*b/a;g=f*d/a
z=d*C(e)-b*4*C(g)
y=d*S(e)+b*4*S(g)
for(i=0;i++<10;)for(j=0;j++<5;)
x.fillRect(180*i+z,180*j+y,3,3)

Apr 27 2019 2:02 PM UTC

}// 137/140

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If you like flowers ...

u/katkip

#flowers

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GandalfUFR

function u(t) {

a=350;b=40;d=a-b;f=10*t;e=f*b/a;g=f*d/a
z=d*C(e)+b*4*C(g)
y=d*S(e)+b*4*S(g)
x.fillStyle=R(255*C(t),0,255*S(t))
x.fillRect(960+z,540+y,32,32)

Apr 27 2019 12:23 PM UTC

}// 140/140

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And so on ...

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GandalfUFR

function u(t) {

a=360;b=32;d=a-b;f=20*t;e=f*b/a;g=f*d/a
z=d*C(e)+b*5*C(g)
y=d*S(e)-b*5*S(g)
x.strokeStyle=R(256-12*t)
x.lineTo(960+z,540+y)
x.stroke()

Apr 27 2019 11:40 AM UTC

}// 134/140

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Hypocycloids can also burn out ...

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GandalfUFR

function u(t) {

a=357;b=43;d=a-b;f=20*t;e=f*b/a;g=f*d/a
z=d*C(e)+b*5*C(g)
y=d*S(e)-b*5*S(g)
x.strokeStyle=R(127+128*S(2*t))
x.lineTo(960+z,540+y)
x.stroke()

Apr 27 2019 11:32 AM UTC

}// 140/140

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A glowing hypocycloid ... don't call it a donut ...

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GandalfUFR

function u(t) {

z=Math.random();for(i=0;i<6.3;i+=.03){
a=480*t*S(i);b=270*t*C(i);
x.fillStyle=`hsl(${360*z},99%,50%)`
x.fillText(t,960-a,540-b);x.rotate(t)}

Apr 27 2019 8:48 AM UTC

}// 140/140

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GandalfUFR

function u(t) {

z=3*Math.random();x.fillStyle=`hsl(${120*z},99%,66%)`
for(i=9;i++<444;){a=640*z*C(i);b=360*z*S(i);x.fillText(t,960*z+a,540*z+b);x.rotate(z)}

Apr 26 2019 9:59 PM UTC

}// 140/140

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Sun burning hot ...

u/joeytwiddle

#sun

You've reached the end.

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