Top dweets by u/alien

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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alien

remix of d/2849 by u/alien

function u(t) {

w=c.width=200;f=frame
c.style.background='#B28'
x.beginPath()
 for(i=0;i<w;i++)
  x.lineTo(55*S(.82/t+i)+99,50*C(.1*t/i*15)+60)
 x.stroke()

Jul 13 2017 6:19 PM UTC

}// 140/140

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Dancing cobra.

u/donbright

so weird and cool

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alien

function u(t) {

w=c.width=200;f=frame
c.style.background='#767'
x.beginPath()
 for(i=0;i<w;i++){
 x.lineTo(45*S(0.001*t+i)+99,45*C(1*t+i*2)+60)
 }x.stroke()

Jul 13 2017 5:49 PM UTC

}// 140/140

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alien

remix of d/2823 by u/alien

function u(t) {

w=c.width;f=frame;p=1.618
x.translate(w/2+f*0.256,w/4)
x.rotate(f/1.618)
x.arc(f*p,f*p,p+f/p,0,2*Math.PI)
x.stroke()
x.resetTransform()

Jul 2 2017 11:02 AM UTC

}// 136/140

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alien

remix of d/8793 by u/alien

function u(t) {

c.width=500
for(i=0;i<(w=99);i++){for(j=0;j<w;j++){x.fillText(String.fromCharCode(u=(i^j&j)+frame>>3),i*10,j*10)
x.fillStyle=R(C(u)*w*9)}}

Jul 2 2018 8:40 PM UTC

}// 138/140

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Just click on fullscreen and enjoy the show all known chars displayed in a fractal rain

u/firegodjr

You redefined u, redefining u breaks it. If you switch to edit mode (click and add a space or something) it fixes the issue.

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alien

function u(t) {

c.width=500
x.font='10px'
for(i=0;i<100;i++){
 for(j=0;j<100;j++){
 x.fillText(String.fromCharCode((i*i+j*j+frame>>3)),i*10,j*10)
}}

Jul 1 2018 10:24 PM UTC

}// 132/140

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u/Xen

Nice!

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alien

function u(t) {

c.width=w=320
for(i=30;i--;x.stroke())for(j=20;j--;x.fillRect(C(t)*i*5+w/2,S(.1*i*t)*j*5+w/4,2,2)){x.fillStyle=R(i**j,0,C(j*i)*w,w)}

Mar 24 2018 10:01 PM UTC

}// 138/140

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alien

function u(t) {

W=c.width
a=t*100
x.fillRect((a+140*C(a)+W/2)%W,S(t)*50+140*S(a)+W/4,20+C(t)*2,20+S(t)*2)
x.fillStyle=R(C(a+t)*255,S(t-a)*255,50)

Dec 15 2017 6:45 AM UTC

}// 129/140

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u/Lazy1337

let it run for 20 mins and come back to see the result
u/alien

https://gyazo.com/7e41514f937ae07715729a7fba…

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alien

function u(t) {

for(i=W=c.width=300;i--;a=i+t,x.fillRect(0,0,a,a)){
a=i+t
x.fillStyle=R(T(a)*70,T(a/2)*9,T(a)*33);
x.translate(S(t/2)*.04+.5,C(t/2)*.08+.2)}

Jul 22 2017 4:25 PM UTC

}// 140/140

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u/Xen

Remix #2932

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alien

remix of d/2848 by u/alien

function u(t) {

w=c.width=200;f=frame
x.beginPath()
 for(i=0;i<167;i++)
 x.lineTo(45*S(1.84*i+i)+75,45*C(4.01*i+t*1.3)+60)
x.stroke()

Jul 13 2017 6:34 PM UTC

}// 118/140

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alien

remix of d/2834 by u/alien

function u(t) {

c.width=200
f=frame
for(j=0;j<51;j++)
for(i=0;i<51;i++){
s=1.4**(i*i*j&f)+7.5
s%=255
x.fillStyle=R(s*2,s*2,s*3)
x.fillRect(i*2,j*2,2,2)
}

Jul 5 2017 7:23 PM UTC

}// 140/140

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u/Polyducks

Great colours and textures

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