EntityPrototype

gistfile1.js

var EntityPrototype = {
    draw: function(context) {
        context.drawImage(this.img, this.x, this.y);
    },    
    move: function() {
        this.x += this.vx;
        this.y += this.vy;        
    },
    x: 0, y:0, vx:0, vy:0
};