​

const LANDSCAPE_SIZE = 800;

const BRUSH_SIZE = 30;

let zoomFactor = 500;

const noiseOffset = 100;

let brushStrength = 0.03;

const rotateScale = 0.0001;

const MAX_HEIGHTSCALE = 500.0;

const MIN_HEIGHTSCALE = 2;

const TRANSITION_SPEED = 20;

const InitDist = 1500;

const MIN_HEIGHT = 0.1;

​

//colors in hex format

​

const seaBedColor = "#0a3c3d";

const waterColor = "#1098A688";

const waterColorSolid = "#4c989b";

​

const sandColor = "#ffbb6a";

const landColor = "#85cf65";

const mountainBaseColor = "#271a13";

const mountainColor = "#1d0d07";

const snowColor = "#ffffff";

​

let seaBedLevel = 0.2;

let waterLevel = 0.4;

let sandLevel = 0.5;

let landLevel = 0.7;

let mountainLevel = 1.0;

let snowLevel = 1.0;

​

let heightScale;

let dimension = 2;

let cam, canvas;

let resetFromDimensionThree = false;

​

let timeEvolution = true;

let timeStep = 5.0;

​

​

//declareing sliders

let waterSlider, zoomFactorSlider, brushStrengthSlider, brushSizeSlider;

​

​

function setup() {

  //storing the canvas in a variable so we can reset the sketch with the r key

  createCanvas(600, 600,WEBGL);

  rectMode(CENTER);

​

  resetSketch();

  slider1 = select('#waterlevel')

  // zoomFactor = select('#zoomfactor');

//   waterLevelSlider = createSlider(0, sandLevel * 100, 40);

//   zoomFactorSlider = createSlider(300, int(2 * MAX_HEIGHTSCALE), zoomFactor);

//   brushStrengthSlider = createSlider(1, 1000, brushStrength * 100);

​

  // let button = createButton("Change to 2d");

  // button.mousePressed(dimensionTransition);

}

​

function draw() {

  // waterLevel = waterLevelSlider.value() / 100;

  // zoomFactor = zoomFactorSlider.value();

  // brushStrength = brushStrengthSlider.value() / 100;

  background(waterColorSolid);

  waterLevel = slider1.value() / 100;

  print(waterLevel)

​

  translate(-width / 2, -height / 2, 0);

​

  //create lighting

  if (

    resetFromDimensionThree &&

    heightScale <= MIN_HEIGHTSCALE &&

    dimension == 2

  ) {

    ambientLight(180, 180, 180);

    pointLight(150, 150, 150, 300, 300, MAX_HEIGHTSCALE * 3);

  } else {

    ambientLight(100, 100, 100);

    pointLight(150, 150, 150, 300, 300, MAX_HEIGHTSCALE * 3);

  }

​

  landscape.render(timeStep);

  handleMouseBrush();

  heightTransition();

  if (dimension == 2) renderBrush();

}

​

function keyPressed() {

  if (key == "d") {

    dimensionTransition();

  }

​

  if (key == "r") {

    if (dimension == 2) {

      resetFromDimensionThree = false;

      cam.setRotation(Dw.Rotation.create({ angles_xyz: [0, 0, 0] }), 500);

    } else {

      resetFromDimensionThree = true;

      cam.setRotation(

        Dw.Rotation.create({

          angles_xyz: [-PI / 6, -atan(1 / sqrt(2)), PI / 4],

        }),

        500

      );

    }

    resetSketch();

  }

​

  if (key == "t") {

    timeEvolution = !timeEvolution;

  }

}

​