Dweets by u/rodrigo.siqueira

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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rodrigo.siqueira

remix of d/17369 by u/rodrigo.siqueira

function u(t) {

for(c.width=i=2e3;i--;)Z=i/350,x.globalAlpha=.3,X=C(i/9+t)/Z,Y=S(i/9+t)/Z,x.fillRect(980+150*(X*C(t)-Z*S(t)),500-Y*150+Z*S(t*2.3)*59,9,9)

Jan 25 2020 12:18 AM UTC

}// 137/140

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Space time rotator

u/rodrigo.siqueira

This is the same helix from the previous dweet but now with perspective applied:: X/Z and Y/Z (divided by Z, so the image will get smaller when Z is higher)

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rodrigo.siqueira

function u(t) {

c.width+=0
for(i=2000;i--;){
 Z=i/350
 X=C(i/80+t*5)
 Y=S(i/80+t*5)
x.fillRect(
 980+150*(X*C(t/2)-Z*S(t/2)),
 500-Y*150+Z*C(t*.8)*59,
9,9)}

Jan 25 2020 12:16 AM UTC

}// 140/140

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Rotating helix #D3. Simple code (not golfed) for readability and meant to be remixed for other rotating D3 projects.

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rodrigo.siqueira

remix of d/17337 by u/rodrigo.siqueira

function u(t) {

x.font=`${1+2*C(i=t)}in'`
for(k in x)p=P=>355*S(i/P),x.fillStyle=R(p(1),p(.9),p(5),.01/(1+C(t))),x.fillText(k,S(i=i++-t)-9,t*6*i*C(i)+680)

Jan 23 2020 5:59 PM UTC

}// 138/140

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Global Composite: Alpha on Canvas (#waitforit to see the name of the artwork) #colors

u/Xen

nice
u/emgordon154

This would make a great wallpaper for an art workstation!

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rodrigo.siqueira

remix of d/17337 by u/rodrigo.siqueira

function u(t) {

x.font=`${1.85*S(i=t)}in'`
for(k in x)p=P=>255*S(i/P),x.fillStyle=R(p(1)+180,p(.1),p(.2),.02),x.fillText(k,S(i++)*2-9,t*14*i*C(i)+600)

Jan 23 2020 12:31 AM UTC

}// 135/140

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CompositeOperation SmoothingEnabled

u/katkip

#trick

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rodrigo.siqueira

remix of d/17331 by u/emgordon154

function u(t) {

x.font=`${1+2*C(i=-t)}in'`
for(k in x)p=P=>255*S(i/P),x.fillStyle=R(p(1),p(.2),p(3),.01/(1+C(t))),x.fillText(k,S(i++)**2*900,t*5*i*C(i)+680)

Jan 22 2020 7:06 PM UTC

}// 140/140

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Monet's style on canvas. #waitforit to see overlapping of paintings and #colors

u/emgordon154

Ooh la la, I love it! A beautiful painting that reminds me of rainbowed metal jewelry

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rodrigo.siqueira

remix of d/17321 by u/Xen

function u(t) {

with(x)for(i=a=2e3;i--;u=C(t/2+i),fillStyle=R(b=u*290,i%b,i/13,.5),arc(1e3+a*C(t/9+i/20)*u,540+i*T(i)*u,i/28*(u+1)*4,0,7))beginPath(fill())

Jan 22 2020 5:23 AM UTC

}// 139/140

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Color bubbles

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rodrigo.siqueira

remix of d/17299 by u/tomxor

function u(t) {

for(A=a=b=0,i=1e4;i--;x.fillRect(a*800-640,b*900,.3,1))
r=0|(1-~t/2)*Math.random(),
a+=(r-a/3+b*S(a*2))/1.8,
b+=.4-b/3+C(A*2)/3-.03,
A=a

Jan 20 2020 8:55 PM UTC

}// 136/140

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This starts with a dual structure for 2 possible values of "r" (random 0 or 1) and then a triple structure appears when r is changed to 3 possible values ( 0 or 1 or 2) #tree

u/rep_movsd

Actually a remix of https://www.dwitter.net/d/15329

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rodrigo.siqueira

remix of d/17258 by u/pavel

function u(t) {

for(i=c.width|=p=(((K=t<5)?(t/8)**4:1)+t/5e4);i--;x.arc(960,540,1e3/z,b=(i*S(i*p))/20,b))z=1+(i>>12)+C(i*p);x.fill()

Jan 18 2020 11:46 PM UTC

}// 116/140

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From order (in the beginning there was void) to chaos (dynamic interactions).

u/katkip

haha nice!!!
u/Odog8

how dis work!??
u/joeytwiddle

It's a lot of overlapping triangles. To see: 5e4),i=99;i--
u/joeytwiddle

(sort of "triangles") Similar effects: d/915 and d/11742

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rodrigo.siqueira

remix of d/17233 by u/katkip

function u(t) {

for(c.width|=i=9;i--;c.style.transform=`perspective(${90}px)rotateX(${t}rad)rotateY(${t}rad)`)x.fillRect(600+i*100+S(t*3)*300,500,50,200)

Jan 15 2020 4:52 PM UTC

}// 137/140

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#default #perspective

u/sEkKi

What the
u/katkip

;D

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rodrigo.siqueira

remix of d/17175 by u/pavel

function u(t) {

for(i=c.width|=p=1.571;i--;x[i&5?'arc':'moveTo'](960,540,2e3/z,b=p*((i>>3)+S(i*p)/1.5-.4+z/.3),b))z=1+(i>>5)+C(i*p-t/8);x.fill()

Jan 13 2020 5:09 PM UTC

}// 128/140

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Spiral interferences

u/rodrigo.siqueira

#spiral broken glass

dwitter.net | rodrigo.siqueira (18284)