Top dweets by u/kchplr

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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kchplr

function u(t) {

for(c.width^=0,i=3e3;i--;r=i/30,e=S(t*.7)*.02,w=1e3,z=100+S(i*2+r*e)*600,y=S(C(i+t)),Y=y,x.fillRect(w+w*y,r*2.5+400+z*y*.5,8*Y,7*Y));

Feb 26 2017 9:40 AM UTC

}// 133/140

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Spent some time trying to compress it, but forgot to remove the Y=y. Should be 129 bytes instead of 133.

u/sigveseb

if you do z=99.. instead of z=100.. you can get an extra byte!
u/kchplr

aah, indeed thanks!
u/kchplr

Just figured out the last statement in the for loop can also be placed in the loop body to save two more bytes. I'm new to this codegolfing thing...
u/kchplr

Actually, the first statement, not the last..

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kchplr

remix of d/4723 by u/Xen

function u(t) {

x.strokeRect(0,0,W=1912,H=1072)
x.rotate(C(t*610)/4031)
x.drawImage(c,7,4,W,H-2)
x.strokeStyle=`hsl(50,89%,${52-C(t)*50}%)`

Dec 29 2017 9:40 PM UTC

}// 123/140

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Shopping for magic numbers !

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kchplr

remix of d/3101 by u/kchplr

function u(t) {

f=frame
'π䐠ꠘ逄鼂适ꀁ䀁䀁䃡ꃢ适鼌꠰䟀'.charCodeAt(f>>4)&1<<(f%16|0)&&x.fillRect((f>>4)*40,f%16*40,40,40)

Aug 25 2017 7:35 AM UTC

}// 92/140

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u/joeytwiddle

#cute

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kchplr

remix of d/2842 by u/alien

function u(t) {

c.width=120
for(j=0;j<68;j++)
for(i=0;i<120;i++){
q=(i*i*j*j*8+frame*8)&768
s=100*C(q)%255
s<0&&x.fillRect(i,j,1,1)}

Jul 24 2017 9:36 PM UTC

}// 117/140

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u/alien

:D!!!
u/Xen

95bytes for you: c.width=123;for(j=70;j--;)for(i=130;i--;s=C(q=(i*i*j*j*8+frame*9)&768)<0&&x.fillRect(i,j,1,1));
u/Xen

95bytes for you: c.width=123;for(j=70;j--;)for(i=130;i--;s=C(q=(i*i*j*j*8+frame*9)&768)<0&&x.fillRect(i,j,1,1));
u/kchplr

81bytes for me :p : for(c.width=i=130;i--;)for(j=70;j--;)x.fillRect(i,j,1,C(i*i*j*j*8+frame*8&768)<0)

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kchplr

function u(t) {

//plz ignore me
angle=t;
c.width|=0
x.fillRect(960 + C(angle)*250, 510+S(angle)*250, 20, 20);

Mar 8 2017 2:48 PM UTC

}// 93/140

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u/donbright

whar is the sound of one planet orbiting.

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kchplr

remix of d/1396 by u/kchplr

function u(t) {

for(c.width^=0,i=3e3;i--;e=S(t*.7)/50,z=99+S(i*2+r*e)*600,y=S(C(i+t)),x.fillRect(1e3*(1+y),r*2.5+400+z*y/2,y*8,y*7))r=i/30

Mar 2 2017 12:45 PM UTC

}// 122/140

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Exactly the same as the original but with 11 less characters. Thanks to u/sigveseb/ for one of the tricks.

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kchplr

function u(t) {

for(c.width^=0,x.fillRect(0,1e3,2e3,9),n=13;n--;z=S(t+n/5)**2,x.setTransform(100,0,0,10-z**9*3,150+n*125,622+300*z),x.fillRect(-z,0,1,10));

Feb 26 2017 12:06 PM UTC

}// 140/140

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kchplr

function u(t) {

f=frame
'<~ËË~<'.charCodeAt(f/8|0)&1<<f%8|0&&x.fillRect((f/8|0)*9,f%8*9,9,9)

Aug 24 2017 3:27 PM UTC

}// 78/140

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A work in progress, I guess ?

u/joeytwiddle

Cute :D f>>3 could save you two chars
u/kchplr

joeytwiddle: good call, it will also definitively help when I'll move to multi-bytes characters
u/Xen

did you a remix ;)

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kchplr

remix of d/2938 by u/kchplr

function u(t) {

for(c.style='image-rendering:pixelated',c.width=i=130;i--;)for(j=70;j--;)x.fillRect(i,j,1,C(i*i*j*j*8+frame*8&768)<0)

Aug 9 2017 11:11 AM UTC

}// 117/140

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Same as the original but with c.style='image-rendering:pixelated' to look better and the same size

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kchplr

function u(t) {

for(n=1e3;n--;f=t*12e4+n*4,X=f%1920,Y=f/1920|0,G=C(5+Y*.008+C((X-960)/960))*40+200,x.fillStyle=R(G,G,G*.9),x.fillRect(X,Y*4,4,4));

Feb 26 2017 10:45 AM UTC

}// 130/140

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