entity.js

var antsApp = {};
antsApp.pixiApp = {};
antsApp.width = 640; //this gets updated on load
antsApp.height = 480;
antsApp.center = {x:antsApp.width/2, y:antsApp.height/2}; //updated on load
antsApp.gameEntities = [];
antsApp.cooldown = 30;
antsApp.worldSpeed = 1;
antsApp.worldSize = 1;
antsApp.antBugRange = 10;
antsApp.StartingAnts =  10;
antsApp.StartingBugs = 180;
antsApp.StartingFood = 20;
antsApp.zoomRate = .1;
antsApp.food = 0;
antsApp.foodCostAnt = 5;
antsApp.baseSize = 20;

antsApp.entity = {};
antsApp.entity.moods = [
    {name:"confused",speed:.80,antColor:antColorBlue,rest:.6,moveDirection:true,randomDirection:true,attack:false},
    {name:"bored",speed:.25,antColor:antColorDarkGreen,rest:.7,moveDirection:true,randomDirection:true,attack:false},
    {name:"calm",speed:.5,antColor:antColorDarkRed,rest:.25,moveDirection:true,randomDirection:true,attack:false},
    {name:"happy",speed:1.2,antColor:antColorYellow,rest:.1,moveDirection:true,randomDirection:true,attack:false},
    {name:"excited",speed:1,antColor:antColorGreen,rest:.05,moveDirection:true,randomDirection:true,attack:false},
    {name:"hungry",speed:.7,antColor:antColorYellow,rest:.25,moveDirection:true,randomDirection:true,attack:false},
    {name:"scared",speed:1.25,antColor:antColorDarkBlue,rest:.75,moveDirection:false,randomDirection:false,attack:false},
    {name:"surprised",speed:1.25,antColor:antColorYellow,rest:.2,moveDirection:true,randomDirection:true,attack:false},
    {name:"angry",speed:1.5,antColor:antColorRed,rest:0,moveDirection:true,randomDirection:false,attack:true},
    {name:"mad",speed:2,antColor:antColorRed2,rest:0,moveDirection:true,randomDirection:false,attack:true},
    {name:"sad",speed:2.25,antColor:antColorDarkYellow,rest:.5,moveDirection:false,randomDirection:true,attack:false},
    {name:"sick",speed:.25,antColor:antColorDarkYellow,rest:.8,moveDirection:false,randomDirection:false,attack:false},
    {name:"food",speed:0,antColor:foodColorOrange,rest:1,moveDirection:false,randomDirection:false,attack:false},
    {name:"worried",speed:1,antColor:bugColorDarkBrown,rest:0,moveDirection:true,randomDirection:true,attack:false},
    {name:"withFood",speed:.55,antColor:antWithFoodColor,rest:0,moveDirection:true,randomDirection:false,attack:false},
    {name:"home",speed:0,antColor:homeColor,rest:1,moveDirection:false,randomDirection:false,attack:false}
];//,"hungry","sleepy","happy","sad","angry","excited","bored","confused","scared","surprised","sick","silly","shy","tired","worried","lonely","proud","puzzled"];
antsApp.entity.startingMoods = ["calm","happy","excited","hungry"];
antsApp.entity.moodsBugs = ["confused","bored","calm","scared","sick"];

antsApp.entity.AntAttackProgression = ["calm","surprised","angry","mad"];
//ant
antsApp.entity.getAnt = function () {
    let ant =  antsApp.entity.getBase();
    ant.mood = antsApp.entity.getMoodByName(antsApp.entity.startingMoods[Math.floor(Math.random() * antsApp.entity.startingMoods.length)]);
    //getMoodByName(startingMoods[Math.floor(Math.random() * startingMoods.length)]); 
    //getMoodByName("happy");
    ant.beginFill(ant.mood.antColor);
    ant.size = 3 * antsApp.worldSize;
    ant.drawRect(0, 0, ant.size, ant.size);
    ant.endFill();
    ant.eType = "ant";
    //ants have a different starting position than default
    ant.home = {x:antsApp.center.x + 9, y:antsApp.center.y + 9};
    ant.x = ant.home.x;
    ant.y = ant.home.y;
    return ant;
}

antsApp.entity.getBase = function (){
    let base =  new PIXI.Graphics();
    base.x = Math.random() * document.body.clientWidth;
    base.y = Math.random() * document.body.clientHeight;
    base.direction = Math.random() * 2 * Math.PI;
    base.moodCooldown = 0;
    base.moveCooldown = Math.floor(Math.random() * antsApp.cooldown);
    base.eType = "none";
    //ant is tracking a bug
    base.track = {};
    //bug is being tracked by an ant(s)
    base.tracking = [];
    base.life = 100;
    base.hitpoints = 1;
    base.delete = false;
    return base;
}

//bug
antsApp.entity.getBug = function() {
    let bug =  antsApp.entity.getBase();
    //get random mood name from moodsBugs array;
    let mood = antsApp.entity.moodsBugs[Math.floor(Math.random() * antsApp.entity.moodsBugs.length)];
    bug.mood = antsApp.entity.getMoodByName(mood);
    bug.beginFill(bugColorBrown);
    bug.size = 7 * antsApp.worldSize;
    bug.drawRect(0, 0, bug.size, bug.size);
    bug.endFill();
    bug.eType = "bug";
    return bug;
}

//home
antsApp.entity.getHome = function() {
    let home =  antsApp.entity.getBase();
    home.mood = antsApp.entity.getMoodByName("home");
    home.beginFill(home.mood.antColor);
    home.size = antsApp.baseSize * antsApp.worldSize;
    home.drawRect(0, 0, home.size, home.size);
    home.endFill();
    home.eType = "home";
    home.x = antsApp.center.x; // - home.size / 2;
    home.y = antsApp.center.y; // - home.size / 2;
    return home;
}

antsApp.entity.changeMood = function(ent, mood) {
    ent.mood = mood;
    ent.beginFill(ent.mood.antColor);
    ent.drawRect(0, 0, ent.size, ent.size);
    ent.endFill();
    ent.moodCooldown = antsApp.cooldown;
}

antsApp.entity.move = function(ent, time){
    let speed = (ent.mood.speed * antsApp.worldSpeed * time);
    let ant = false;
    if (ent.eType == "ant"){
        ant = true;
    }
    if (Math.random() > ent.mood.rest){
        antsApp.entity.moveRandom(ent, speed);
        if (ent.mood.name == "withFood"){
            //if the ant has food move it towards the home
            antsApp.entity.moveDirection(ent, speed, ent.home);
        }else{
            antsApp.entity.moveDirection(ent, speed, ent.track);
        }
    }else if (ent.mood.randomDirection){
        if (ent.moveCooldown < antsApp.cooldown) {
            ent.moveCooldown++;
        }else{
            ent.direction = antsApp.entity.getRandomDirection();
            ent.moveCooldown = Math.floor(Math.random() * antsApp.cooldown);;
        }
    }    
    /* if the ent goes off the screen move it to the other side
    if (ent.x > getWidth()) {
        ent.x = 0;
    } else if (ent.x < 0) {
        ent.x = getWidth();
    }
    if (ent.y > getHeight()) {
        ent.y = 0;
    } else if (ent.y < 0) {
        ent.y = getHeight();
    }
    */
}

antsApp.entity.moveRandom = function(ent, speed) {
    //using the deta time to move the ant randomly
    ent.x += Math.random() * speed - (speed/2);
    ent.y += Math.random() * speed - (speed/2);
}

antsApp.entity.moveDirection = function(ent, speed, location) {
    if (ent.mood.moveDirection){
        //if tracking point towards the tracking point
        if (location.x != undefined) {
            let dx = (location.x - ent.x);
            let dy = (location.y - ent.y);
            ent.direction = Math.atan2(dy, dx);
            //antsApp.entity.moveRandom(ent, 5);
        }
        ent.x += Math.cos(ent.direction) * speed;
        ent.y += Math.sin(ent.direction) * speed;
    }
}    

antsApp.entity.getRandomDirection = function() {
    return Math.random() * 2 * Math.PI;
}

antsApp.entity.getRandomMood = function(start) {
    if(start){
        return antsApp.entity.moods[Math.floor(Math.random() * 7)]; //only the first 6 moods
    } else {
        return antsApp.entity.moods[Math.floor(Math.random() * (antsApp.entity.moods.length))];
    }
}

antsApp.entity.getMoodByName = function(name) {
    return antsApp.entity.moods.find(mood => mood.name == name);
}

antsApp.entity.getAntsByMood = function(mood) {
    return antsApp.gameEntities.filter(ant => ant.mood.name == mood);
}

//ant is hunting a bug, if food then change to exited.
antsApp.entity.AntHuntingBug = function(bug, ant) {
    
    let maxProgression = antsApp.entity.AntAttackProgression.length - 1;
    let currentProgression = antsApp.entity.AntAttackProgression.indexOf(ant.mood.name);

    //if the ant is excited and the bug is food
    if (bug.mood.name == "food" && ant.mood.name != "excited"){
        antsApp.entity.changeMood(ant, antsApp.entity.getMoodByName("excited"));
    }else if (currentProgression < maxProgression && ant.mood.name != "mad" && bug.mood.name != "food"){
        //if not at max progression   
        antsApp.entity.changeMood(ant, antsApp.entity.getMoodByName(antsApp.entity.AntAttackProgression[currentProgression + 1]));
    
        currentProgression++;
    }
}

//ant is attacking a bug
antsApp.entity.AntAttackingBug = function(bug, ant) {
    if (bug.mood.name != "worried"){
        antsApp.entity.changeMood(bug, antsApp.entity.getMoodByName("worried"));
    }
    
    bug.life -= ant.hitpoints;
    
    if (bug.life < 1){
        antsApp.entity.changeMood(bug, antsApp.entity.getMoodByName("food"));
        antsApp.StartingBugs--;
        bug.life = 100;
        antsApp.StartingFood++;
        //Now that the bug is food the ants need to change to excited
        bug.tracking.forEach(a => {
            antsApp.entity.changeMood(a, antsApp.entity.getMoodByName("excited"));
            //a.tracking = {};
        });
        bug.scale.x = 1.25;
        bug.scale.y = 1.25;
    };//else, the bug is still alive
}

//ant attaching food
antsApp.entity.AntEatingFood = function(food, ant) {
    if (ant.mood.name != "withFood"){
        if(food.life > 0){
            //ant picks up some food
            food.life--;
            antsApp.entity.changeMood(ant, antsApp.entity.getMoodByName("withFood"));
    
        }else{
            //food is gone, remove ants and dispose of food
            try{
                food.tracking.forEach(a => {
                    antsApp.entity.changeMood(a, antsApp.entity.getMoodByName("happy"));
                    a.tracking = {};
                });
                //remove the food
                food.delete = true;
            }catch(e){

            }
        }
    }
}

//ant returning home
antsApp.entity.AntFoodDrop = function(ant, home) {
    antsApp.entity.changeMood(ant, antsApp.entity.getMoodByName("happy"));
    antsApp.food++;
}