(function(){
    var _this = this;	
    // Life value in seconds
    var balloonLifeAfterDrop = 20;
    var isAlive = false;

    _this.preload = function(entityID){
        this.entityID = entityID;	
    };
	
    _this.startKillBalloon = function(entityID) {
        Script.setTimeout(function(){
            Entities.deleteEntity(entityID);
            print("Kill balloon");
        }, balloonLifeAfterDrop * 1000);
    };
		
    _this.drop = function(entityID){
        var newProperties = {
            gravity: {x: 0, y: -0.25, z: 0},
            velocity: {x: Math.random() - Math.random(), y: Math.random() * -1, z: Math.random() - Math.random()}
        };
        isAlive = true;
			
        Entities.editEntity(entityID, newProperties);
        print("drop balloon");
        this.startKillBalloon(this.entityID);		
    };

    _this.clickDownOnEntity = function(entityID, event){
        print("clicked on balloon");
        print(entityID);
        // If the balloon is in play the player can make it hop with another click
        // This is a cheap way to let the user "play" with the balloon sans collision
        if (isAlive){
            Entities.callEntityMethod(this.entityID, "drop", entityID);
        }
    };
	
    Entities.clearingEntities.connect(function(){
        // Clean up any existing balloons when we shut down. They shouldn't be there when we come back.
        print("cleanup!");
        Entities.deleteEntity(_this.entityID);
    });
	
});