Top dweets by u/DataMeta

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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DataMeta

remix of d/3402 by u/magna

function u(t) {

r=Math.random;m=r(n=r(o=r(l=255)));t||(a=Array(w=2e3).fill(0));for(i=w;i--;x.fillStyle=R(l*m,l*n,l*o))x.fillRect(i,a[i],2,2),a[r()**2*w|0]++

Jul 31 2019 2:17 AM UTC

}// 140/140

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patterns out of randomness

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DataMeta

function u(t) {

c.style.background=R();with(x)for(c.width|=i=0;i<255;beginPath(fill(rotate(.404))))fillStyle=R(i++,o=S(t-i)*i/2,-o),arc(960+o,540+o,i/2,0,7)

Apr 20 2019 8:18 PM UTC

}// 140/140

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DataMeta

remix of d/8474 by u/DataMeta

function u(t) {

c.width|=0;p=Math.PI;for(i=18;i--;)x.lineWidth=7,x.rotate(p*2),x.arc(960,540,(Math.abs(512*S(t*i/16))),t/i,i*t/p),x.stroke()

Jul 3 2018 5:18 AM UTC

}// 124/140

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t/i -> i for more uniform geometry

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DataMeta

remix of d/869 by u/maysick

function u(t) {

for(i=0;i<255;i++){x.fillStyle=R(i,i,i);b=(1.21*i*(500+t)/360);x.fillRect(-b/10+960+b*C(b),-b/10+540+b*S(b)+16,b/8,b/8)}

Jun 20 2018 2:18 AM UTC

}// 120/140

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hole in canvas

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DataMeta

remix of d/8405 by u/DataMeta

function u(t) {

c.width=1920;p=Math.PI;r=Math.random();for(i=0;i<300;i++){x.fillRect(960+p*i*S(t+i*.9),540+S(t/7+i/p)*i*1.55925,T(t/2)*r*2+2,T(t+i)*r*2+2)}

Jun 5 2018 3:11 AM UTC

}// 139/140

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fireflies glitching

u/DataMeta

#glitch

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DataMeta

remix of d/8027 by u/cesque

function u(t) {

c.width|=0;p=Math.PI;x.lineWidth=60;for(i=1;i<20;i++){x.beginPath();x.arc(960,540,50+(i*50)+S(t+i/p)*50,t+(i*3)+S(t),t/i+(i*p));x.stroke()}

May 24 2018 7:24 PM UTC

}// 139/140

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u/joeytwiddle

What is it? Is it trying to share its technology, or eat us?
u/DataMeta

Haven't been able to evoke a response from it. It just keeps broadcasting this signal.

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DataMeta

remix of d/21026 by u/ntsutae

function u(t) {

f=(X,Y,n=5)=>n?f(S(X**3-Y**2),3*S(1+X*Y)+1,n-1):t?Y**4:c.width=1e3
for(X=1e3;X--;x.fillRect(X,t*60,1,1))x.fillStyle=R(g=f(X/2e3,22/t%1),g,g)

Dec 21 2020 5:03 AM UTC

}// 140/140

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ripples on a lake

u/magna

Amazing!

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DataMeta

function u(t) {

~~t%9==0?c.width|=0:0;for(i=575;i--;)x.fillRect(64*(i%32)+64*S(k=t*(~~t%2)),64*(i/32|0)+64*C(k),3,3)

Nov 24 2019 6:58 PM UTC

}// 100/140

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DataMeta

remix of d/1428 by u/irregularshed

function u(t) {

for(i=1920;i--;)v=(t*60)%1080,l=(i^v)%256&frame,
x.fillStyle=R(l,l/4,l*3),x.fillRect(i,v,1,1)

Aug 4 2018 6:59 PM UTC

}// 93/140

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Simple test inspired by firegodjr's bitwise dweets

u/fujimotos

#scanline #slow_render

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DataMeta

remix of d/8910 by u/DataMeta

function u(t) {

for(c.width|=i=255;i--;)j=C(i-t)*t*4,x.setTransform(i,0,0,i,960,540),x.rotate(i<<t/2),x.fillStyle=R(i-j,i-j,i-j),x.fillRect(0,0,1.9,1)

Jul 24 2018 2:41 AM UTC

}// 134/140

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j=C(i-frame)*t for 'turbo' mode, j=C(i-frame)*i for Xen ;) **Photosensitivity warning for the latter**

u/Xen

Love it!
u/aleamb

Stylish!

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