Cacatoo - Turing patterns (healing zebra)

by bramvandijk88

HTML

<!-- 
  ###########################################################################################
    This is a JSFiddle example of "Cacatoo". This HTML page does not contain the code itself,
    but determines where the grids, graphs, buttons, etc are placed. The real code is in the 
    Javascript Tab. I recommend enabling "Tabs (Columns)" under the settings in the top-right. 
  ###########################################################################################
-->

<html>
  <script src="https://bramvandijk88.github.io/cacatoo/scripts/cacatoo.js"></script>
		  <script src="https://bramvandijk88.github.io/cacatoo/scripts/all.js"></script>  

  <head>
    <title>Cacatoo examples</title>
  </head>


  <script>
    /*-------------------------End user-defined code ---------------------*/

  </script>

  <body onload="cacatoo()">
    

		<div class="", id="all_holder">		
			<div class="content" id="canvas_holder"> </div>
			<div class="content" id="graph_holder"> </div>
		<div class="content" id="form_holder"></div>
		</div>



    
  </body>

</html>

CSS

body {
  font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
  background-color: #f0f0f0;
  margin: 10px;
  font-size: 13px;
}

/* Style the header */
.header {
  background-color: rgb(111, 146, 170);
  display: block;
  border: 0px solid #f0f0f0;
  box-shadow: 3px 1px 0px #24242444;
  border-radius: 15px 15px 0px 0px;
  padding: 10px;
  text-align: center;
  font-size: 20px;
  font-weight: 900;
  color: #ffffff;
}


.logos {
  z-index: -1;
  vertical-align: middle;
  display: inline-block;
  padding-left: 10px;
  padding-top: 10px;
}

.example_card {
  width: 220px;
  height: 220px;
  background-color: rgb(151, 183, 204);
  box-shadow: rgba(100, 100, 111, 0.1) 20px 7px 29px 0px;
  /* font-weight: bold; */
  color: rgb(229, 239, 245);
  font-size: 12px;
  line-height: 25px;
  margin: 25px;
  padding: 20px;
  padding-bottom: 40px;
  padding-top: 10px;
  border-radius: 0px 0px 0px 0px;
  display: inline-block;
  transition: all 100ms ease-out 200ms;
  transition-delay: 0s;
}

.example_card_img {
  width: 100%;
  height: 100%;
  border-radius: 0px 0px 0px 0px;
  background-position: 45% 50%;
  background-repeat: no-repeat;
  background-size: cover;
}

.example_card:hover {
  background-color: rgb(151, 183, 204);
  font-size: 12px;
  color: black;
  border-radius: 30px 0px 30px 0px;
  box-shadow: rgba(100, 100, 111, 0.3) 0px 0px 29px 0px;
}

.example_card:active {
  background-color: rgb(151, 183, 204);
  font-size: 12px;
  padding-top: 11px;
  height: 199px;
  color: black;
  box-shadow: rgba(100, 100, 111, 0.3) 0px 0px 29px 0px;
}


/* Content (grid, graphs, sliders) */
.content {
  text-align: center;
  /*border-bottom: 1px dashed #88888844;*/
  /*background-color: #000000;*/
  padding: 5px;
}

/* Output div */
.output {
  border-radius: 8px 8px 8px 8px;
  margin: 30px;
  height: 300px;
  overflow-y: scroll;
...

JavaScript

/*-----------------------Start user-defined code ---------------------*/

let sim;
dAh = 0.8
dAv = 1.5
dIh = 1.5
dIv = 1

function cacatoo() {

  let config = {
    title: "Striped Turing patterns",
    description: "\"The stripes are easy, but what about the horse part?<br>(use mouse/touch to bleach the stripes)",
    maxtime: 10000,
    ncol: 600,
    nrow: 200,		            // dimensions of the grid to build
    wrap: [true, true],         // Wrap boundary [COLS, ROWS]   
    scale: 1,				    // scale of the grid (nxn pixels per grid cell
    show_gridname: true,
    graph_interval: 5,
    graph_update: 20,
    printcursor: false,
    bgcolour: 'white'
  }

  sim = new Simulation(config)

  sim.makeGridmodel("turing")

	sim.turing.colourGradient("activator", 200,[255,255,255],  [0,0,0])
  

  sim.createDisplay_continuous({model:"turing", property:"activator", legend:false, label:"\"The stripes are easy.\"", // Createa a display for a continuous variable (ODE state for external resources)
                                minval:0.0, maxval:1.0, num_colours:200, decimals: 2})   

  let act = 0.5
  let inh = 0.5
  let d = 0.05
  // Initialise the left 3 cols with activator and inhibitor
  for (let x = 0; x < sim.turing.nc; x++)
    for (let y = 0; y < sim.turing.nr; y++)
    {
      sim.turing.grid[x][y].activator = 0.1 + 0.1*sim.rng.genrand_real1()
      sim.turing.grid[x][y].inhibitor = 0
    }
  
  
  sim.turing.kernelA = Simulation.makeGaussianKernel(dAh, dAv) // 2 variable = 2D kernel with sigma_x=0.75, sigma_y=1.0
  sim.turing.kernelI = Simulation.makeGaussianKernel(dIh, dIv)
  
  console.log(sim.turing.kernelA)
  console.log(sim.turing.kernelI)
  sim.turing.nextState = function (x, y)       // Define the next-state function. 
  {
    let thisgp = this.grid[x][y]    
		let gp = thisgp //this.getNeighbour(this,x,y,1)  // grid[x][y]    

    let act_new = gp.activator + (act * gp.activator - inh *...