let gameSize, partPos, particle, margin, cols, rows, walls, points, wallsPos;

(function () {

  var _$0 = this;

​

  var _8 = function () {

    createCanvas(gameSize * 2, gameSize);

    partPos = createVector(gameSize / 2, gameSize / 2);

    particle = new Particle(gameSize / 2, gameSize / 2);

    margin = createVector(gameSize / cols, gameSize / rows);

    spawnPoints();

    drawWalls();

  };

​

  var _9 = function () {

    background(0);

    particle.update(partPos.x, partPos.y);

    moveParticle();

    const scene = particle.look(walls);

    const w = gameSize / scene.length;

    push();

    translate(gameSize, 0);

​

    for (let i = 0; i < scene.length; i++) {

      noStroke();

      const b = map(scene[i], 0, gameSize * 1.41, 255, 0);

      const h = map(scene[i], 0, gameSize * 1.41, gameSize * 1.41, 0);

      colorMode(HSB, 255);

      fill(b, 255, b);

      rectMode(CENTER);

      rect(i * w + w / 2, gameSize / 2, w, h);

    }

​

    pop();

    particle.show();

​

    for (let wall of walls) {

      wall.show();

    }

  };

​

  var _A = function () {

    push();

    translate(margin.x / 2, margin.y / 2);

    let p = 0;

​

    for (let i = 0; i < rows; i++) {

      for (let j = 0; j < cols; j++) {

        if (points[p] == 1) {

          stroke(255);

          point(j * margin.x, i * margin.y);

          wallsPos.push(createVector(j * margin.x, i * margin.y));

        }

​

        p++;

      }

    }

​

    pop();

  };

​

  var _B = function () {

    for (let p of wallsPos) {

      let pos = createVector(p.x + margin.x / 2, p.y + margin.y / 2);

      let size = createVector(margin.x / 2, margin.y / 2);

      walls.push(new Wall(pos.x - size.x, pos.y - size.y, pos.x + size.x, pos.y - size.y));

      walls.push(new Wall(pos.x + size.x, pos.y - size.y, pos.x + size.x, pos.y + size.y));

      walls.push(new Wall(pos.x + size.x, pos.y + size.y, pos.x - size.x, pos.y + size.y));

      walls.push(new Wall(pos.x - size.x, pos.y + size.y, pos.x - size.x, pos.y - size.y));

    }

  };

​

  var _C = function () {

    if (keyIsPressed == true) {

      if (key === "a") {

        particle.spin(-0.05);

      } else if (key === "d") {

        particle.spin(0.05);

      }

    }

​

    if (keyIsDown(LEFT_ARROW) && partPos.x > 0) {

      partPos.x -= 2;

    } else if (keyIsDown(RIGHT_ARROW) && partPos.x < gameSize) {

      partPos.x += 2;

    } else if (keyIsDown(UP_ARROW) && partPos.y > 0) {

      partPos.y -= 2;

    } else if (keyIsDown(DOWN_ARROW) && partPos.y < gameSize) {

      partPos.y += 2;

    }

​

    if (partPos.x < 0) {

      partPos.x = 0;

    } else if (partPos.x > gameSize) {

      partPos.x = gameSize;

    } else if (partPos.y < 0) {

      partPos.y = 0;

    } else if (partPos.y > gameSize) {

      partPos.y = gameSize;

    }

  };

​

  _$0.setup = _8;

  _$0.draw = _9;

  _$0.spawnPoints = _A;

  _$0.drawWalls = _B;

  _$0.moveParticle = _C;

​

  var _D = class {

    constructor(pos, angle) {

      this.pos = pos;

      this.dir = p5.Vector.fromAngle(angle);

    }

​

    show() {

      push();

      strokeWeight(1);

      translate(this.pos.x, this.pos.y);

      line(0, 0, this.dir.x, this.dir.y);

      pop();

    }

​

    setAngle(angle) {

      this.dir = p5.Vector.fromAngle(angle);

    }

​

    cast(wall) {

      const x1 = wall.a.x;

      const y1 = wall.a.y;

      const x2 = wall.b.x;

      const y2 = wall.b.y;

      const x3 = this.pos.x;

      const y3 = this.pos.y;

      const x4 = this.pos.x + this.dir.x;

      const y4 = this.pos.y + this.dir.y;

      const den = (x1 - x2) * (y3 - y4) - (y1 - y2) * (x3 - x4);

​

      if (den == 0) {

        return;

      }

​

      const t = ((x1 - x3) * (y3 - y4) - (y1 - y3) * (x3 - x4)) / den;

      const u = -((x1 - x2) * (y1 - y3) - (y1 - y2) * (x1 - x3)) / den;

​

      if (t > 0 && t < 1 && u > 0) {

        const pt = createVector();

        pt.x = x1 + t * (x2 - x1);

        pt.y = y1 + t * (y2 - y1);

        return pt;

      } else {

        return;

      }

    }

​

  };

​

  _$0.Ray = _D;

​

  var _F = class {

    constructor(x, y) {

      this.pos = createVector(x, y);

      this.rays = [];

      this.heading = 0;

​

      for (let a = 0; a < 40; a += 0.1) {

        this.rays.push(new Ray(this.pos, radians(a)));

      }

    }

​

    spin(angle) {

      this.heading += angle;

​

      for (let i = 0; i < this.rays.length; i++) {

        this.rays[i].setAngle(radians(i) / 10 + this.heading);

      }

    }

​

    show() {

      for (let ray of this.rays) {

        ray.show();

      }

    }

​

    update(x, y) {

      this.pos.set(x, y);

    }

​

    look(walls) {

      const scene = [];

​

      for (let i = 0; i < this.rays.length; i++) {

        const ray = this.rays[i];

        let record = Infinity;

        let closest = null;

​

        for (let wall of walls) {

          const pt = ray.cast(wall);

​

          if (pt) {

            const d = p5.Vector.dist(this.pos, pt);

​

            if (d < record) {

              record = d;

              closest = pt;

            }

          }

        }

​

        if (closest) {

          const di = map(p5.Vector.dist(this.pos, closest), 0, width / 2 * 1.41, 255, 0);

          colorMode(HSB, 255);

          stroke(di, 255, di);

          strokeWeight(1);

          line(this.pos.x, this.pos.y, closest.x, closest.y);

        }

​

        scene[i] = record;

      }

​

      return scene;

    }

​

  };

​

  _$0.Particle = _F;

​

  var _H = class {

    constructor(x1, y1, x2, y2) {

      this.a = createVector(x1, y1);

      this.b = createVector(x2, y2);

    }

​

    show() {

      stroke(255);

      strokeWeight(1);

      line(this.a.x, this.a.y, this.b.x, this.b.y);

    }

​

  };

​

  _$0.Wall = _H;

  gameSize = 400;

  partPos = void 0;

  particle = void 0;

  margin = void 0;

  cols = 25;

  rows = 25;

  walls = [];

  points = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1];

  wallsPos = [];

}).call(this);