​

Class for Zombie

- Make Zombie Jumpe

- Zombie hits Pumpkin

- Move and show Zombie 

​

*****************************************/

​

class Zombie {

  constructor() {

    //  OOP

    this.r = 150; // size

    this.x = 50; // change to 50

    this.y = height - this.r; // where the zombie sits at the buttom

    this.vy = 0; // velocity going in the vertical direction

    this.gravity = 2.5;

  }

​

  jump() {

    if (this.y == height - this.r) {

      this.vy = -30;

      //  if only zombie is at the bottom then push zombie up

    }

  }

​

  hits(pumpkin) {

    let x1 = this.x + this.r * 0.5;

    let y1 = this.y + this.r * 0.5; // the middle of the object

    let x2 = pumpkin.x + pumpkin.r * 0.5;

    let y2 = pumpkin.y + pumpkin.r * 0.5;

    //

    return collideCircleCircle(x1, y1, this.r, x2, y2, pumpkin.r);

    // checking collision using library used in the coding train video, using a circle so that there is more room between the images - using the diameter of the circle

  }

​

  move() {

    this.y += this.vy;

    this.vy += this.gravity;

    this.y = constrain(this.y, 0, height - this.r);

    // so it doesn't keep falling, adds a ground level

  }

​

  show() {

    image(zImg, this.x, this.y, this.r, this.r);

  }

}

​