Dweets by u/hypothete

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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hypothete

function u(t) {

if(t<0.5){j=200;r=Math.random;x.font=j+'px s';x.fillText('🐗',r()*(c.width-j),j+r()*(c.height-j));}

Aug 7 2019 4:20 PM UTC

}// 98/140

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30 hogs - pt 2

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hypothete

function u(t) {

w=c.width=c.width;j=200;r=Math.random;x.font=j+'px s';n=r()*20+30|0;m=0;while(m<n){x.fillText('🐗',r()*(w-j),j+r()*(c.height-j));m++;}

Aug 6 2019 11:28 PM UTC

}// 133/140

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30-50 feral hogs

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hypothete

function u(t) {

;x.font='99px c';x.fillText('💲',190+C(t*5)*200,350*S(t*3)+580);x.drawImage(c,9,0);x.fillText('💸',0,Math.random()*1080);

May 30 2017 6:36 AM UTC

}// 119/140

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hypothete

function u(t) {

x.fillStyle=R();x.fillRect(0,0,w=c.width,h=c.height);
x.fillStyle=R(9,9,9);x.font='40em a';x.fillText('🐍',w/2,h*.8);

Mar 14 2017 3:51 AM UTC

}// 116/140

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hypothete

function u(t) {

d=new ImageData(w=c.width=255,e=144)
for(i=w*e;i--;)d.data.set([w-(i%w),w*(i/w)/e,i%w,w],i*4);
x.putImageData(d,0,0)

Mar 13 2017 7:17 AM UTC

}// 116/140

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hypothete

remix of d/2091 by u/hypothete

function u(t) {

e=144;d=new ImageData(w=c.width=255,e);
for(i=w*e;i--;){
c=(((i%w)-w/2)**2+((i/w)-e/2)**2)%w;
d.data.set([c],i*4+3)}
x.putImageData(d,0,0)

Mar 13 2017 6:28 AM UTC

}// 138/140

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u/donbright

seems nice and fast for animations.. e=144;d=new ImageData(w=c.width=255,e); for(i=w*e;i--;){ c=S(t)*(i%w)**2+C(t)*(i/w)**2; d.data.set([c%w],i*4+3)} x.putImageData(d,0,0)

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hypothete

remix of d/2069 by u/veubeke

function u(t) {

e=144;f=1/9;d=new ImageData(w=c.width=255,e);
for(i=w*e;i--;){
c=t*w*(C(f*i%w)+S(f*i/w))%w;
d.data.set([c,c,c,w],i*4)}
x.putImageData(d,0,0)

Mar 13 2017 6:17 AM UTC

}// 140/140

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hypothete

function u(t) {

j=99;k=9;l=1920;m=1080;z=new Date;for(i=0;i<j;i++){
y=z*S(t+i);x.fillStyle=R(0,0,y);x.fillRect(i*l/j,m-k,l/j,k);}
x.drawImage(c,0,-k,l,m)

Mar 12 2017 8:30 AM UTC

}// 137/140

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hypothete

function u(t) {

j=t*t%256;l=1920;m=1080;z=new Date;for(i=0;i<j;i++){
b=(i%j)*l/j;y=z*S(t+i);
x.fillStyle=R(y,y);x.fillRect(b,0,l/j,10);}
x.drawImage(c,0,10)

Mar 12 2017 8:08 AM UTC

}// 140/140

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hypothete

remix of d/2057 by u/hypothete

function u(t) {

d=x.getImageData(0,0,w=c.width=255,h=144);for(i=0;i<d.data.length;i+=4){n=w*(i/4%w)/w;d.data.set([n,0,w-n,w],i);}x.putImageData(d,0,0)

Mar 11 2017 8:20 PM UTC

}// 134/140

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u/recursive

Direct pixel manipulation. Interesting approach but it looks like it might always be larger. Does this have a dweeting application?
u/hypothete

I'm not sure. I put this one together in case people had ideas on how to shrink it.
u/veubeke

@hypothete new ImageData(W,H) saves some bytes as does incrementing i by 1 instead of 4 and calculating image data size manually. https://www.dwitter.net/d/2069

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