Top dweets by u/anthonylewis

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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anthonylewis

remix of d/8037 by u/anthonylewis

function u(t) {

t?0:a=[0,0]
x.moveTo(a[0],a[1])
a[0]+=Math.abs(S(t)*5);a[1]+=50
x.lineTo(a[0],a[1]);x.stroke()
if(a[1]>1e3)a=[Math.random()*1920,0]

May 10 2018 4:36 AM UTC

}// 132/140

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Something Like Rain

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anthonylewis

function u(t) {

for(i=1000;i--;)X=Math.random()*1920-50,Y=Math.random()*1080-50,
x.fillStyle=R(X%255,Y%255,i%255,0.1),x.fillRect(X,Y,100,100)

Apr 29 2018 3:10 AM UTC

}// 125/140

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anthonylewis

remix of d/7753 by u/anthonylewis

function u(t) {

w=c.width^=0
x.fillStyle=R(128,0,0,.1)
x.arc(960,330,200,0,7)
for(i=30;i--;)
Z=w/(i-t%2+1),x.rect(0,Z+400,w,Z),x.fill()

Apr 23 2018 2:46 AM UTC

}// 119/140

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A little color on the sunset

u/iverjo

#sun

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anthonylewis

function u(t) {

Z=Math.random;F=Math.floor;
x.fillStyle=R(F(Z()*256),F(Z()*256),F(Z()*256));
x.fillRect(F(Z()*19.2)*100+25,F(Z()*10.8)*100,75,75);

Apr 4 2018 3:56 AM UTC

}// 130/140

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anthonylewis

function u(t) {

p=6.2832;a=32;r=1000;for(c.width|=i=0;i<a;i++)
z=p/a*i*t,x.moveTo(960,540),x.lineTo(r*S(z)+960,r*C(z)+540),x.stroke()

Apr 27 2018 2:03 AM UTC

}// 118/140

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Windmills

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anthonylewis

remix of d/7730 by u/anthonylewis

function u(t) {

for(w=c.width|=i=24;i--;)x.strokeStyle='#00c',x.beginPath(),
x.arc(i*3*S(t*i)+960,i*3*C(t*i)+540,Math.abs(w/(i-t%2)+1),0,7),
x.stroke()

Apr 25 2018 1:16 AM UTC

}// 135/140

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Ripples and swirls

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anthonylewis

remix of d/7718 by u/anthonylewis

function u(t) {

w=c.width^=0
for(i=30;i--;)
Z=w/(i-t%2+1),x.beginPath(),x.arc(960,540,Math.abs(Z),0,7),x.stroke()

Apr 21 2018 1:43 AM UTC

}// 97/140

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And now a round tunnel...

u/magna

#tunnel

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anthonylewis

function u(t) {

r=Math.random;c.width=500;s=.3
for(i=64;i--;)
a=r()*-400,b=r()*a*(s*=-1),x.fillRect(b+250,a+270,5,5)

Apr 12 2018 12:33 AM UTC

}// 100/140

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