​

  //set up pos,vel

  this.pos = createVector(x, y);

  this.vel = p5.Vector.random2D();

  this.vel.setMag(2);

  this.acc = createVector(0, 0);

  this.maxSpeed = 1;

  this.maxForce = 0.05;

  this.mass = m;

  this.perception = p;

​

  this.history = [];

  this.update = function() {

    this.vel.add(this.acc);

    this.vel.limit(this.maxSpeed)

    this.pos.add(this.vel);

    //this.acc.mult(0);

  }

  //display (color, ellipse)

  this.display = function() {

    noStroke();

    fill(frameCount %360, satSlider.value(), 100);

    ellipse(this.pos.x, this.pos.y, this.mass);

  }

  //new function to update mass

  this.updateMass = function(newMass){

    this.mass = newMass;

  }

  this.updatePerception = function(newPerception){

    this.perception = newPerception;

  }

  this.targetMouse = function (x, y) {

    let target = createVector(x, y);

    let desired = p5.Vector.sub(target, this.pos);    

    desired.setMag(this.maxSpeed);

​

    let steering = p5.Vector.sub(desired, this.vel);   

    steering.limit(this.maxForce);

    this.applyForce(steering);   

  }

  this.applyForce = function(force) {

    this.acc.add(force);

  }

  this.seperate = function(slimes){

    let perceptionRadius = this.perception;

    let steering = createVector();

    let total = 0;

    for (let other of slimes) {

      let d = dist(this.pos.x, this.pos.y, other.pos.x, other.pos.y);

      if (other != this && d < perceptionRadius) {

        let diff = p5.Vector.sub(this.pos, other.pos);

        diff.div(d * d);

        steering.add(diff);

        total++;

      }

    }

    if (total > 0) {

      steering.div(total);

      steering.setMag(this.maxSpeed);

      steering.sub(this.vel);

      steering.limit(this.maxForce);

    }

    this.applyForce(steering);

  }

  // this.edges = function() {

  //   if (this.pos.x > width) {

  //     this.vel = p5.Vector.random2D(PI, TWO_PI);

  //   }

  //   if (this.pos.x < 0) {

  //     this.vel = p5.Vector.random2D(0, PI);

  //   }

  //   if (this.pos.y > height) {

  //     this.vel = p5.Vector.random2D(HALF_PI, -HALF_PI);

  //   }

  //   if (this.pos.y < 0) {

  //     this.vel = p5.Vector.random2D(-HALF_PI, HALF_PI)

  //   }

  // }

  this.edges = function() {

    if (this.pos.x > width) {

      this.pos.x = 0;

    } else if (this.pos.x < 0) {

      this.pos.x = width;

    }

    if (this.pos.y > height) {

      this.pos.y = 0;

    } else if (this.pos.y < 0) {

      this.pos.y = height;

    }

  }

​

    //Movement of Slimes

    // var movement = p5.Vector.random2D();

    // movement.mult(0.9); //(connects previous & next cell)

    // this.pos.add(movement);

}