Phaser.Component.Health = function (){ 
} 
; 
Phaser.Component.Health.prototype = { 
health: 1,
maxHealth: 100,
damage: function (amount){ 
if (this.alive) { 
this.health -= amount; 
if (this.health <= 0) { 
this.kill(); 
} 
} 
return this; 
} 
,
setHealth: function (amount){ 
this.health = amount; 
if (this.health > this.maxHealth) { 
this.health = this.maxHealth; 
} 
return this; 
} 
,
heal: function (amount){ 
if (this.alive) { 
this.health += amount; 
if (this.health > this.maxHealth) { 
this.health = this.maxHealth; 
} 
} 
return this; 
} 
}
;