dwitter.net | Joachim (52240)

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function u(t) {
} //
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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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taupelink
remix of d/24295 by u/taupelink

function u(t) {

}//
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  • u/taupelink
    Much credit to u/pavel for the comment he left on d/23578, with sample code to illustrate a way of making these collages in a single loop execution.
  • u/magna
    This is awesome!
  • u/neimad
    thank god, the old way was getting kind of annoying.
  • u/Xen
    love it!

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rep_movsd

function u(t) {

}//
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Joachim

function u(t) {

}//
140/140

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  • The millipede runs once more #creepy
  • u/vain
    incredible - the riding centipede worm ;-)

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magna
remix of d/24294 by u/magna

function u(t) {

}//
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  • Bouncy pixellated basketball
  • u/magna
    Couldn't golf it down enough to hide the emoji at the center (below the rendering)
  • u/magna
    *pixelated
  • u/magna
    uncompressed: c.width|=0 with(x)for(fillText(e,9,14),d=getImageData(0,0,32,18).data,transform(k=C(t)*9,z=S(t)*69,-z,k,960,i=540);i--;fillRect(i%32-16,i/32-9,1,1))fillStyle=R(...d.slice(o=i*4,o+4))

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ciaccodavide

function u(t) {

}//
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  • u/ciaccodavide
    left and right arrow to control the brush direction (if it gets out of bounds restart the dweet)
  • u/ciaccodavide
    try this version in a new dweet (acceleration control with up arrow, but I couldn't golf it enough): !t&&(d=[a=v=0],X=Y=99,onkeydown=e=>d[e.keyCode-37]=1,onkeyup=e=>d[e.keyCode-37]=0),x[f='fillRect'](X+=v*C(a+=(d[2]|-d[0])*.1),Y+=v*S(a),s=32,s,x[f](X+C(a)*s+8,Y+S(a)*s+8,9,9,v+=d[1]&v<6?2:v>0?-.1:0))
  • u/Joachim
    `t?onkeydown=e=>d[e.keyCode-37]=1:(d=[a=v=X=Y=0]),onkeyup=e=>d[e.keyCode-37]=0,x[f='fillRect'](X+=v*C(a+=(d[2]|-d[0])*.1),Y+=v*S(a),s=32,s),x[f](X+C(a)*s+8,Y+S(a)*s+8,9,9),v+=d[1]&v<6?2:v>0&&-.1

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magna

function u(t) {

}//
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  • #circlechallenge No trig, no direct square root: Just using the Pythagorean theorem + the fact that sums of odd numbers give perfect squares

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magna
remix of d/24280 by u/magna

function u(t) {

}//
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  • Magic!

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donbright

function u(t) {

}//
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  • As part of #circlechallenge I go back to the old rational parametrization of the circle from Wildberger's "chromogeometry", which has elements of Euclid. Each frame draws rational points on a circle, and each frame the radius gets bigger. All of the patterns are a kind of optical illusion.
  • u/donbright
    changing '2' and '3' to different numbers will give different patterns

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magna
remix of d/24275 by u/magna

function u(t) {

}//
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KilledByAPixel
remix of d/24270 by u/pavel

function u(t) {

}//
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  • Koch Snowflakes ❄️

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