Dwitter - javascript demos in 140 characters

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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yonatan

remix of d/23968 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𦀽𭀿𦀫𬠪𝐰𞠰𒡦𫱲𚁩👨🐳𝐰𚰱𞐹𚡃𚁴𚠴𚱘𙐱𚑼𜀻𛐭𪐻𮀮𩡩𫁬𤡥𨱴𚁴🱘𛑷𚱷𚡲𞡩𚠶𛑨𛁴🰶𜀰𚰨𬠪𞀥𝁼𜀿𪐭𪀺𪀭𪐩𞡲𚠱𜀸𜀬𭀿𭰺𪀬𭀿𜰺𪀯𝰩𚑲👍𨑴𪀮𬡡𫡤𫱭𚁷👩𛰴𚐬𮀮𩡩𫁬𤱴𮑬𩐽𤠨𪀯𝀭𪐯𜠬𬠪𞐹𛁴🰰𞠹𞐩`.replace(/u../g,'')))

Oct 1 2021 12:56 AM UTC

}// 130/140

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u/magna

OMG!
u/danny@hille.dk

Very impressive, and beautiful
u/sigveseb

The way the sky and the water go together

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astucky21

function u(t) {

x.fillRect(0,0,1920,1080); //FILL IT ALL!

x.fillStyle=R(255/t,255*S(t),255*S(t)) //Let's see what all this does...OOH!

Oct 3 2021 8:48 PM UTC

}// 119/140

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My first Dweet! Just testing stuff out, new to all of this. Looking forward to posting many more though.

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fizzyketchup

function u(t) {

for(i=0;i<20;i++)
x.fillRect(600*Math.random() * 4, 30*t, 5*t, 5)
x.fillStyle = R(255-t*3, 255-t, 255, Math.random())

Oct 3 2021 6:49 AM UTC

}// 118/140

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i literally have never coded in my life but here's a really garbage ~~blue gradient~~ ocean

u/rep_movsd

Good effort

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tactical_retard

remix of d/23959 by u/tactical_retard

function u(t) {

if(!t){
s=256
for(i=s*s;i--;){X=0|i/s
Y=i%s
A=X-s/2
B=Y-s/2
d=(A*A+B*B)**.5%X&Y
x.fillStyle=R(b=d*64,b,b)
x.fillRect(X*7.5,Y*4.2,7.5,4.2)}}

Oct 4 2021 12:49 AM UTC

}// 139/140

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bitwise

function u(t) {

p=2e3
for(i=6*p;--i;)x.fillRect(p*Math.random(),p*Math.random(),5,3)
z=255*Math.random()
x.fillStyle=R(z,z,z,z)

Oct 4 2021 10:27 AM UTC

}// 111/140

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Static

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aronson

function u(t) {

d=1e3
c=255
o=s=>{
x.fillStyle=R((C(t*t)+s/d)*c,C(t*s)*c,S(t)*c)
x.fillRect(s/C(t)*t,s/S(1/t)*t,s,s/C(t/d))
s>9&&o(s*.99)
}
o(d)

Oct 4 2021 7:15 PM UTC

}// 130/140

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tactical_retard

function u(t) {

c.width|=s=60
for(i=s*s;i--;r*r+j*j<4&&x.fillRect(X*s,Y*34,s,34)){X=0|i/s
Y=i%s
r=j=0
for(I=s;I--;j=2*m*j+Y/10-1)m=r,r=r*r-j*j+t%6-2-X/10}

Oct 2 2021 10:37 PM UTC

}// 138/140

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#mandelbrot spaceship

u/rodrigo.siqueira

Instead of r*r+j*j<4 you can use just r<4 , that's 6 characters less. In this low resolution there's no visible difference.

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astucky21

remix of d/23981 by u/astucky21

function u(t) {

x.fillRect(0,0,1920,1080); //FILL IT ALL!

x.fillStyle=R(255/t,255*S(t),255*S(t+t)) //Let's see what all this does...OOH!

Oct 3 2021 8:54 PM UTC

}// 121/140

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Okay, this is a bit cooler than the earlier one. Thought I had more colors in that first one.

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bitwise

function u(t) {

x.fillRect(0,0,t*200,540);x.fillRect(1920-t*200,540,t*200,540);x.fillStyle=R(0,0,0,.01);if(t>5)x.fillStyle=R(240,100,100,.01)

Oct 5 2021 9:06 AM UTC

}// 125/140

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Redshift

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firegodjr

function u(t) {

t+=5;for(i=200;i--;)for(j=108;j--;)v=(i|j)%t*255/t,x.fillRect(i*10,j*10,10,10),x.fillStyle=R(v)

Oct 5 2021 4:52 AM UTC

}// 95/140

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Nanomachine Algae Bloom