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function Person(n,race){
this.constructor.population++;
// ************************************************************************
// PRIVATE VARIABLES AND FUNCTIONS
// ONLY PRIVELEGED METHODS MAY VIEW/EDIT/INVOKE
// ***********************************************************************
var alive=true, age=1;
var maxAge=70+Math.round(Math.random()*15)+Math.round(Math.random()*15);
function makeOlder(){ return alive = (++age <= maxAge) }
var myName=n?n:"John Doe";
var weight=1;
// ************************************************************************
// PRIVILEGED METHODS
// MAY BE INVOKED PUBLICLY AND MAY ACCESS PRIVATE ITEMS
// MAY NOT BE CHANGED; MAY BE REPLACED WITH PUBLIC FLAVORS
// ************************************************************************
this.toString=this.getName=function(){ return myName }
this.eat=function(){
if (makeOlder()){
this.dirtFactor++;
return weight*=3;
} else formatter.println(myName+" can't eat, he's dead!");
}
this.exercise=function(){
if (makeOlder()){
this.dirtFactor++;
return weight/=2;
} else formatter.println(myName+" can't exercise, he's dead!");
}
this.weigh=function(){ return weight }
this.getRace=function(){ return race }
this.getAge=function(){ return age }
this.muchTimePasses=function(){ age+=50; this.dirtFactor=10; }
// ************************************************************************
// PUBLIC PROPERTIES -- ANYONE MAY READ/WRITE
// ************************************************************************
this.clothing="nothing/naked";
this.dirtFactor=0;
}
// ************************************************************************
// PUBLIC METHODS -- ANYONE MAY READ/WRITE
// ************************************************************************
Person.prototype.beCool = function(){ this.clothing="khakis and black shirt" }
Person.prototype.shower = function(){ this.dirtFactor=2 }
Person.prototype.showLegs = function(){ formatter.println(this+" has "+this.legs+" legs") }
Person.prototype.amputate = function(){ this.legs-- }
// ************************************************************************
// PROTOTYOPE PROERTIES -- ANYONE MAY READ/WRITE (but may be overridden)
// ************************************************************************
Person.prototype.legs=2;
// ************************************************************************
// STATIC PROPERTIES -- ANYONE MAY READ/WRITE
// ************************************************************************
Person.population = 0;
// Here is the code that uses the Person class
function RunGavinsLife(){
formatter.println("Start")
var gk=new Person("Gavin","caucasian"); //New instance of the Person object created.
var lk=new Person("Lisa","caucasian"); //New instance of the Person object created.
formatter.println("There are now "+Person.population+" people");
gk.showLegs(); lk.showLegs(); //Both share the common 'Person.prototype.legs' variable when looking at 'this.legs'
gk.race = "hispanic"; //Sets a public variable, but does not overwrite private 'race' variable.
formatter.println(gk+"'s real race is "+gk.getRace()); //Returns 'caucasian' from private 'race' variable set at create time.
gk.eat(); gk.eat(); gk.eat(); //weight is 3...then 9...then 27
formatter.println(gk+" weighs "+gk.weigh()+" pounds and has a dirt factor of "+gk.dirtFactor);
gk.exercise(); //weight is now 13.5
gk.beCool(); //clothing has been update to current fashionable levels
gk.clothing="Pimp Outfit"; //clothing is a public variable that can be updated to any funky value
gk.shower();
formatter.println("Existing shower technology has gotten "+gk+" to a dirt factor of "+gk.dirtFactor);
gk.muchTimePasses(); //50 Years Pass
Person.prototype.shower=function(){ //Shower technology improves for everyone
this.dirtFactor=0;
}
gk.beCool=function(){ //Gavin alone gets new fashion ideas
this.clothing="tinfoil";
};
gk.beCool(); gk.shower();
formatter.println("Fashionable "+gk+" at "
+gk.getAge()+" years old is now wearing "
+gk.clothing+" with dirt factor "
+gk.dirtFactor);
gk.amputate(); //Uses the prototype property and makes a public property
gk.showLegs(); lk.showLegs(); //Lisa still has the prototype property
gk.muchTimePasses(); //50 Years Pass...Gavin is now over 100 years old.
gk.eat(); //Complains about extreme age, death, and inability to eat.
}
RunGavinsLife();
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