Dweets awesomed by u/khalkeus

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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Jenky

function u(t) {

n=512;r=6.28;for(i=t;i<t+r;i+=r/30){z=i+t;a=-S(i);b=-C(i);x.fillStyle=R(C(z)*n,C(z+r/3)*n,C(z+4.18)*n);x.fillRect(960+S(t)*a*n,n+b*n,9,9)}

Feb 26 2017 8:17 AM UTC

}// 138/140

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Rainbow experiment without 'hsv()'

u/donbright

this is really nice
u/sfz

purdy

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5Mixer

function u(t) {

c.width=2e3
n=50
v=25
for(i=0;i<n;i++){o=-t%1*n
q=i*v+o
x.fillRect(q,q,i%2?n:v,i%2?v:n)
x.fillRect(620,590+Math.min(S(t*6)*99,-t*n%n),n,n)}

Feb 26 2017 6:56 AM UTC

}// 139/140

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u/Kalanchoe

Aww, this is really cute. <3
u/Tosmatobeef

heh, this just made me smile
u/5Mixer

Thanks you guys, inspires me to make more stuff :)
u/FireFly

This is really cute indeed, I love it :D
u/iverjo

#bounce

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khalkeus

function u(t) {

w=960;h=500;c.width=w*2;
for(i=0;i<w*20;i++){z=(S(t+i)+1)*50;x.fillStyle=R(z/3,z*5,z*9);x.fillRect(i,S(t+i)*w+h,1,55);}

Feb 25 2017 11:16 PM UTC

}// 119/140

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khalkeus

function u(t) {

w=960;h=500;c.width=w*2;
for(i=0;i<w*2/9;i++)
for(j=0;j<1;j++){{z=C((i-j)-t)*255;x.fillStyle=R(z,z,z);x.fillRect(i*9,S(t+i)*w/4+h,9,9)}}

Feb 25 2017 12:00 AM UTC

}// 136/140

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khalkeus

function u(t) {

w=960;h=500;z=C(t)*255;x.fillStyle=R(z*2,z*.1,99)
for(i=0;i<99;i++)
for(j=0;j<99;j++)x.fillRect(C(t*j*.01*i)*i*5+w,S(t*i*.01*j)*j*5+h,5,5)

Feb 24 2017 11:32 PM UTC

}// 138/140

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khalkeus

function u(t) {

w=960;h=540;c.width=w*2
for(i=0;i<99;i++){for(j=0;j<99;j++){
x.fillRect(S(i-j)*C(t+j)*w+w,S(i+j)*S(t+j)*h+h,5,2)}}

Feb 24 2017 10:38 PM UTC

}// 114/140

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u/Purpzie

Shaved off 12 characters: for(c.width|=a=0;a<9801;)x.fillRect(S((i=0|a++/99)-(j=a%99))*C(b=t+j)*960+960,S(i+j)*S(b)*540+540,5,2)

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khalkeus

function u(t) {

w=960;h=540;c.width=w*2
for(i=0;i<99;i++){
x.fillRect(C(i)*C(t)*w+w,S(i)*S(t)*h+h,9,9)
x.fillRect(S(i)*S(t)*w+w,C(i)*C(t)*h+h,9,9)}

Feb 24 2017 10:23 PM UTC

}// 131/140

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khalkeus

function u(t) {

w=960;h=540;
x.fillRect(w+S(t)*T(t)*99,h+C(t)*T(t)*99,9,9)
x.fillRect(w+C(t)*T(t)*99,h+S(t)*T(t)*99,9,9)

Feb 24 2017 9:56 PM UTC

}// 104/140

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dh7

function u(t) {

c.width=1920; /* Feel like I'm 11 now */
for(i=0;i<777;i++){
  r=S(t)*400+C(t+i*t/7777)*100
  x.fillRect(960+r*C(t+i), 520+r*S(t+i), 7, 7) }

Feb 24 2017 8:49 PM UTC

}// 140/140

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u/sigveseb

with comments :)

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mxfh

remix of d/849 by u/mxfh

function u(t) {

r=480;c.width=r*4;λ=0;for(φ=a=Math.PI/2;φ>-a;φ-=1/r){λ+=a;x.lineTo(C(φ)*S(λ-t)*r+2*r,(C(t=t+1/r)*S(φ)+S(t)*C(φ)*C(λ-t))*r+r)}x.stroke()

Feb 22 2017 1:25 PM UTC

}// 135/140

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Show more comments…
u/chrishaff

Old school cool!
u/ninerdelta

wow this is awesome
u/donbright

lovely
u/sfz

how in the
u/Drum

I've been clickcing 'awesome' on quite a few examples here, but this one is AWESOME!
u/Kalanchoe

Wow!
u/Brutal

Higher math :)
u/robvoodoo

If only you could fly the camera around!
u/Lazy1337

#d3

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