//Thanks to The Coding Train (Daniel Shiffman) for amazing tutorials!

​

//Variables

let difficulty;

let people = [];

let cannons = [];

let runners = [];

let dir;

let sel;

let running;

​

//Setup

function setup() {

  let canvas = createCanvas(1000, 1000);

//Making input

  sel = createSelect();

  sel.option("");

  sel.option("easy");

  sel.option("medium");

  sel.option("hard");

  sel.option("impossible"); 

  sel.selected("");

  sel.changed(diff);

//Defining difficulty

  difficulty = 2;

//Creating people

  people[0] = new person(500, 250, 50);

  runners[0] = new runner(500, 750, 50);

  for (let i = 0; i < 9; i++) {

    cannons[i] = new cannon(random(50, 950), random(500, 750), 50);

  }

  running = false;

}

​

function draw() {

  if (running) {

  background(255, 30, 105);

  if (dist(people[0].x, people[0].y, runners[0].x, runners[0].y) <= runners[0].r / 2 + people[0].r / 2) {

    console.log("WINNER!!!!!!!!!!!!");

    people.splice(0, people.length);

    cannons.splice(0, cannons.length);

  }

  people[0].show();

  runners[0].show();

  people[0].move(dir);

​

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

    cannons[i].show();

    cannons[i].attack();

    for(let j = 0; j < cannons.length; j++) {

      let d = dist(cannons[i].x,cannons[i].y,cannons[j].x,cannons[j].y);

      let radii_sum = cannons[i].r/2 + cannons[j].r/2;

      if (i != j && d < radii_sum) {

        let dx = cannons[j].x - cannons[i].x;

        let dy = cannons[j].y - cannons[i].y;

        let unit_x = dx / d;

        let unit_y = dy / d;

        cannons[j].x = cannons[i].x + radii_sum * unit_x;

        cannons[j].y = cannons[i].y + radii_sum * unit_y;

      }

    }

    if (dist(people[0].x, people[0].y, cannons[i].x, cannons[i].y) <= cannons[i].r / 2 + people[0].r / 2){

      console.log("You dead, son!");

      people.splice(0, people.length);

      cannons.splice(0, cannons.length);

    }

  }

  }

}

​

function keyPressed() {

  if(keyCode === 38 || keyCode === 87) {

    dir = "UP";

  } else if (keyCode === 83 || keyCode === 40) {

    dir = "DOWN";    

  } else if (keyCode === 65 || keyCode === 37) {

    dir = "LEFT";

  } else if (keyCode === 68 || keyCode === 39) {

    dir = "RIGHT";

  }

}

​

function diff() {

//  sel.disable("easy");

  // sel.disable("medium");

  // sel.disable("hard");

  // sel.disable("impossible");

  // sel.disable("impossible");

  if (sel.value() == "easy") {

    difficulty = 1.5;

  } else if (sel.value() == "medium") {

    difficulty = 2;

  } else if (sel.value() == "hard") {

    difficulty = 2.5;

  } else if (sel.value() == "impossible") {

    difficulty = 3;

  }

  running = true;

}