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Characters.js
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Characters.js
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var Character = function() {};
var Player = function() {};
var Enemy = function() {};
var Bullet = function() {};
/**
* This function provides a generic way to initialize a character.
*/
Character.prototype.initialize = function() {
this.frame = { x: 0, y: 0 };
this.velocity = { x: 0, y: 0 };
this.acceleration = { x: 0, y: 0 };
this.alive = true;
this.sprite = '';
this.characterType = 'default';
return this;
};
/**
* This function kills the character by setting alive to false
*/
Character.prototype.die = function() {
this.alive = false;
console.log(this.characterType, 'die');
};
/**
* Initialize/Construction method - Initializes the bullet.
* This function sets the velocity of the bullet and the sprite of the bullet.
* It's up to the GameEngine to handle setting its position
*/
Bullet.prototype.initialize = function() {
this.frame = { x: 0, y: 0 };
this.active = false;
this.velocity = { x: 0, y: 2 };
this.sprite = new Image();
this.sprite.src = SPRITESHEET_LOCATION;
this.sprite.frame = { x: 39, y: 227, width: 26, height: 46 };
this.frame.width = this.sprite.frame.width/3;
this.frame.height = this.sprite.frame.height/3;
return this;
};
/**
* Move's the bullet's position units on the x axis
*
* @param Number units: A positive number to move the bullet along the y axis
*/
Bullet.prototype.move = function(units) {
this.frame.y += units;
};
/**
* Make the bullet marked as unrenderable by deactivating it
*/
Bullet.prototype.die = function() {
this.active = false;
};