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: #ScaryMovies

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thenize

remix of d/24106 by u/rodrigo.siqueira

function u(t) {

for(i=k=680;--i;x.fillRect(Z=k+S(i)*Y*i,k+S(Z)*i,q*Y,Y*i/15))f=i*t,X=f%3-1,Y=X*f%7-2,x.fillStyle=R(q=i*X-1033,q*=X+.2,q*=Y**2/1030)

May 14 2024 5:43 PM UTC

}// 131/140

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MathTechCoach

remix of d/31774 by u/MathTechCoach

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)

x.fillEllipse(400+i*i,400+i*i,50,200) // draw 50x200 rects

May 14 2024 5:22 PM UTC

}// 109/140

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MathTechCoach

remix of d/31773 by u/MathTechCoach

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)

x.fillRect(400+i*i,400+i*i,50,200) // draw 50x200 rects

May 14 2024 5:21 PM UTC

}// 106/140

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MathTechCoach

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400,400,50,200) // draw 50x200 rects

May 14 2024 5:20 PM UTC

}// 97/140

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xargs

remix of d/31727 by u/xargs

function u(t) {

c.width=1920 
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,S(t+i)*100)

May 14 2024 10:45 AM UTC

}// 80/140

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S(t+i)*100

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xargs

remix of d/31727 by u/xargs

function u(t) {

c.width=1920 
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,S(t+i)*100)

May 14 2024 10:45 AM UTC

}// 80/140

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xargs

remix of d/31727 by u/xargs

function u(t) {

c.width=1920 
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,S(t+i)*100)

May 14 2024 10:45 AM UTC

}// 80/140

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etc.ole

function u(t) {

eval(unescape(escape`󭍼󯌨󩌽󪌽󜜬󫼽󝜴󜌩󒭣󛭯󫭭󫽵󬽥󫝯󭭥󟝥󟜾󫼽󩜮󨽬󪝥󫭴󦌊󨼮󫽮󨽬󪝣󪼽󧼽󟭤󟜡󩌊󪌽󩌿󭌺󪌊󨼮󬽴󮝬󩜮󨭡󨽫󩽲󫽵󫭤󟝒󚍨󚬷󙜲󝜵󛍨󚬱󜼥󜬵󝜬󪌪󜜷󙜲󝜵󛌨󚍯󛝣󛭧󩝴󠭯󭝮󩍩󫭧󠽬󪝥󫭴󤭥󨽴󚌩󛭬󩝦󭌩󛼱󜌸󜌩󚜻`.replace(/u../g,'')))

May 12 2024 9:13 PM UTC

}// 125/140

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lewdev

remix of d/29582 by u/lewdev

function u(t) {

a="⬅⬆➡⬇"
eval(unescape(escape`󭌿󨼮󭽩󩍴󪌽󞜹󞭮󟝢󟜰󒭸󛭦󪝬󫍔󩝸󭌨󚍳󟝛󛬮󛭏󨭪󩝣󭌮󪽥󮝳󚍴󪍩󬼩󦽮󧝝󛭭󨝰󚍶󟜾󨝛󭬮󨽨󨝲󠽯󩍥󠝴󚌩󙜴󧜩󛭪󫽩󫭠󨌩󛭳󭝢󬽴󬬨󨬩󛌱󛌹󚜊󫽮󪽥󮝵󬌽󩜽󟭡󦼨󩜮󪽥󮝃󫽤󩜭󝜩󙜴󧜽󟝳󦽢󧜦󙬫󚽢󟬽󬼮󫍥󫭧󭍨󙬦󚍢󟜰󛍮󚼫󚜻`.replace(/u../g,'')))

May 11 2024 2:00 AM UTC

}// 138/140

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💀Dweetegem Hero #helldivers #game ⌨Use Arrow Keys to play! (#capjs compressed)

u/lewdev

The arrows now dissappear and I learned a new cheat: https://capjs.3d2k.com Compress is better than Dwitter's Compress! This is how got it to fit.

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LimeLaser

remix of d/31675 by u/LimeLaser

function u(t) {

u=t**3/5e3
v=1-u
w=(a,b,c,d)=>255*(a*v**3+3*v*u*(b*v+c*u)+d*u**3)
x.fillStyle=R(w(0,0,1,1),w(0,.7,1,0),w(.2,1,0,0))
x.fillRect(0,60*t,2e3,1)

May 9 2024 4:23 AM UTC

}// 140/140

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Bezier Sunset Gradient - Fixed

u/LimeLaser

This version has a proper cubic Bezier evaluation function (w) and uses a non-linear ramping for u and t.
u/aaaaaz

#gradient