Dweets awesomed by u/jh

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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yonatan

remix of d/7105 by u/yonatan

function u(t) {

for(X=c.width=99;X--;)for(Y=57;Y--;x.fillRect(X,Y,1,1))q=X*X+Y*Y,z=(9e3-q)**-.3,x.fillStyle=`hsl(${(t*9+X*z^Y*z)*22},50%,${95-q**.5}%`

Feb 28 2018 10:31 AM UTC

}// 134/140

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lit and colored

Show more comments…
u/donbright

!!!!!!!!!!!!!!
u/sigveseb

Lit af
u/magna

^
u/joeytwiddle

#lighting #sphere
u/FireFly

Holy cow!! :o
u/Cloud

Wooooow!!!
u/vain

amazing!

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remix of d/6679 by u/nickd3000

function u(t) {

x.fillRect(0,0,i=5e3,2e3);r=v=>(v**7%99)-50;while(i)l=(50-r(i+7)+S(t))%50,j=r(i)/l,k=r(i--+9)/l,x.clearRect((10+j)*100,(5+k)*100,s=25/l,s)

Feb 3 2018 5:30 PM UTC

}// 138/140

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function u(t) {

x.drawImage(c,i=0,8);a=t?a:[...S+0].map(p=>p<'_'),b=[];while(i<240)d=b[i]=a[i-1]^a[i+1],x.fillStyle=R(g=!d<<8,g),x.fillRect(i++*8,0,8,8);a=b

Feb 3 2018 3:34 PM UTC

}// 140/140

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nickd3000

function u(t) {

c.width+=0;h=100;m=50;r=v=>(v**7%99)-m; 
for(i=0;i<5e3;i++)l=(m-r(i+7)+S(t))%m,j=r(i)/l, k=r(i+9)/l,x.fillRect((10+j)*h,(5+k)*h,s=25/l,s);

Feb 3 2018 2:47 PM UTC

}// 138/140

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breathing space

u/jh

Nice! Did a remix with inverted colours: https://www.dwitter.net/d/6683

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21medals

remix of d/6619 by u/21medals

function u(t) {

for(c.width|=i=80,x.globalCompositeOperation="xor";i--;x.ellipse(960,r=540,(S(t+S(i)/2)*r+r)/8,r,t/4+.0785*i,0,6.28),x.fill())x.beginPath()

Feb 1 2018 10:28 PM UTC

}// 140/140

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nickd3000

function u(t) {

v=160;for(i=0;i<60*v;i++)l=(i%v),m=((i/v)|0),
k=v*((((S(l/4)*C(m/4))+(t*3)|0))%5),x.fillStyle=R(k*2,k/4,7*m+v-k),x.fillRect(l*20,m*20,20,20)

Feb 1 2018 6:42 PM UTC

}// 140/140

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dot repeater

u/magna

So stylish!
u/sigveseb

Looks great!
u/iverjo

#dots

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Jezza

function u(t) {

c.width|=0;x.font='99px monospace';if(!t)p=3,a=2,o=0,q=2;p+=24/a/(a+1)/(a+3)/(a+=4);x.fillText((p+o).toFixed(15),9,99);if(p>q)p-=q,o+=q;q/=2

Jan 31 2018 10:32 PM UTC

}// 140/140

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I thought I'd see if I can calulate PI in 140 chars. Math.PI is 3.141592653589793, which is 15 decimal places. 15 decimal places is precise enough to calculate the circumference of the solar system (including Pluto) with an accuracy of a meter. The formula is Nilakantha's from the 15th century. You could also just print 245850922/78256779 but doing that doesn't seem much better than just printing Math.PI.

u/donbright

#pi #math

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function u(t) {

x.drawImage(c,i=0,s=8)
a=t?a:[...S+0].map(i=>i<'_')
b=[]
while(i<240){d=b[i]=a[i-1]^a[i+1]
x.fillStyle=R(!d<<8)
x.fillRect(i++*s,0,s,s)}a=b

Jan 27 2018 4:28 PM UTC

}// 139/140

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function u(t) {

c.width+=0
x.font='48px sans-serif'
for(i=0;i<384;i++)x.fillText(String.fromCodePoint(~~t*32+i),i%32*60,~~(i/32)*110-t%1*110)

Jan 27 2018 12:18 PM UTC

}// 125/140

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u/bepisTM

this dweet wins the internet holy crap

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nickd3000

function u(t) {

m=20;f=p=>(10*S(p-i/m)^10*C(p-j/m))*20;for(i=0;i<96;i++)for(j=0;j<60;j++){c=f(t)+f(-t/2),x.fillStyle=R(9-c,c/2,c),x.fillRect(i*m,j*m,m,m)};

Jan 25 2018 10:48 PM UTC

}// 139/140

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RUBY AND SAPPHIRE

u/donbright

ow my head
u/sigveseb

Dope stuff! Colors rock

dwitter.net | jh (1228)