// I do a lot of p5.js stuff that might interest you!

​

class Skier {

  constructor(points) {

    this.x = this.lowestPoint(points);

    this.y = points[this.x];

    this.points = points;

    this.find = false;

    this.temp = 1;

    this.minTemp = 0.0001;

    this.alpha = 0.99;

  }

  lowestPoint(points) {

    let lowest = Infinity;

    let x = 0;

    for (let i = 0; i < width; i++) {

      if (height - points[i] < lowest) {

        lowest = height - points[i];

        x = i;

      }

    }

    return x;

  }

  draw() {

    fill(10);

    noStroke();

    ellipse(this.x, this.y-5, 20, 20);

  }

  update() {

    this.score = height - this.y;

    if (this.targetX > this.x) {

      if (this.targetX == this.x + 1) {

        this.x++;

      } else {

        this.x+=2;  

      }

    } else if (this.targetX < this.x) {

      if (this.targetX == this.x - 1) {

        this.x-=1;  

      } else {

        this.x-=2;  

      }

    } else {

      this.findHeighestPoint();

    }

    this.y = this.points[this.x];

  }

  findHeighestPoint() {

    if (!this.find) return;

    if (this.temp < this.minTemp) return;

    this.targetX = this.x;

    for (let i = -width; i < width; i++) {

      let neighbourX = this.targetX + i;

      let newScore = height - this.points[neighbourX];

      if (newScore > this.score) {

        this.targetX = neighbourX;

      } else {

        const prob = Math.exp((this.score-newScore)/this.temp);

        if (random(1) >= prob) {

          this.targetX = neighbourX;

        }

      }

    }

    this.temp *= this.alpha;

  }

  simpleAlgorithm() {

    if (this.points[this.x + 1] < this.y) {

      this.x++;

    } 

    if (this.points[this.x - 1] < this.y) {

      this.x--;

    }

  }

  restart() {

    this.x = floor(random(width));

    this.y = this.points[this.x];

  }

  moveLeft() {

    this.x -= 5;

    this.y = this.points[this.x];

  } 

  moveRight() {

    this.x += 5;

    this.y = this.points[this.x];

  }

}