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/2833 by u/alien

function u(t) {

c.width=200
f=frame
for(j=0;j<51;j++)
for(i=0;i<51;i++){
s=((i)+10*i*j+j)+f*2.5
s%=255
x.fillStyle=R(s,s,s)
x.fillRect(i*2,j*2,5,5)
}

Jul 5 2017 7:12 PM UTC

}// 136/140

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alien

function u(t) {

w=c.width
x.translate(w/2+t*200,w/4)
x.rotate(frame)
x.arc(S(w/t**0.5),C(w/t),10+frame*5,0,2*Math.PI)
x.stroke()
x.resetTransform()

Jul 2 2017 9:38 AM UTC

}// 132/140

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u/Polyducks

A tunnel!

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alien

function u(t) {

w=c.width=1920;x.font=(frame%120+60)+"px s"
for(i=0;i<50;i++){
x.transform(1,0,0,1,t,t)
x.fillText('☄️',-130+i*60,Math.random()*1080)
}

Jul 1 2017 3:09 PM UTC

}// 135/140

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Meteor shower?

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alien

function u(t) {

c.width=1920;for(i=0;i<301;i++){for(j=0;j<101;j++){(i^j)%j-frame%101?x.fillRect(5*i,5*j,5,5):0}}

Aug 31 2018 11:43 AM UTC

}// 96/140

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ummmm

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alien

remix of d/8803 by u/alien

function u(t) {

t?1:(a=0,onkeydown=e=>a+=e.which) 
c.width=999
for(i=99;i--;){for(j=99;j--;u=S(i&j)*a){x.fillText(String.fromCharCode((9*t)^u),i*10,j*10)
}}

Jul 3 2018 9:54 PM UTC

}// 140/140

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Not working for mobile, just press a key, let it iterate and explore patterns.

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alien

remix of d/8802 by u/alien

function u(t) {

t?1:(a=0,onkeydown=e=>a+=e.which) 
c.width=999
for(i=99;i--;){for(j=99;j--;u=S(i&j)*a){x.fillText(String.fromCharCode(frame-u),i*10,j*10)
}}

Jul 3 2018 9:29 PM UTC

}// 140/140

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press any key ping me if it's broken.

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alien

remix of d/8794 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 3 2018 7:22 PM UTC

}// 139/140

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u/aleamb

great!

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alien

remix of d/8790 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^i)*w*9)}}

Jul 2 2018 8:10 PM UTC

}// 140/140

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won't work on mobile android... PCs and laptops are ok

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alien

function u(t) {

w=c.width=401;h=c.height=201

for(i=0;i<w;i++){
x.moveTo(w/2,w/4);
X=(C(i/(w/4))*(20.0))
x.lineTo(h*X+i,w/2);
}
x.stroke()

Mar 18 2018 1:46 PM UTC

}// 122/140

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alien

function u(t) {

W=c.width=500
for(i=0;i<W;i++){
x.lineTo(i,100+20.5*S(~~(0.03*i+t))+10)
}x.stroke()

Jan 1 2018 9:39 PM UTC

}// 84/140

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joke is on me trying to make a perlin kind of noise in a dweet... i wanted random steps in the mountains... but i could not made this happen. :S

u/robbyg

I gave it a try: https://www.dwitter.net/d/7383

dwitter.net | alien (248)