Jak rozjet funkci (prototyp)?

(function (root, factory) {
    if (typeof define === 'function' && define.amd) {
        define(function () {
            return (root.returnExportsGlobal = factory());
        });
    } else if (typeof exports === 'object') {
        module.exports = factory();
    } else {
        root.Springy = factory();
    }
}(this, function() {

    var Springy = {};

  Springy.RGBMix = function (color1, color2, alpha) {
    color1 = Color(color1);
    color2 = Color(color2);
    var r = color1.red() * alpha + color2.red() * (1-alpha);
    var g = color1.green() * alpha + color2.green() * (1-alpha);
    var b = color1.blue() * alpha + color2.blue() * (1-alpha);       
  return Color().rgb([r, g, b]).hexString();  
  }

  return Springy;
}));

(function() {

jQuery.fn.springy = function(params) {
  var RGBMix = new Springy.RGBMix();
  var fadeColors = { f1:RGBMix('black',fadeColor,0.45), f2:RGBMix('black',fadeColor,0.18), f3:RGBMix('black',fadeColor,0.15) }
  
  var layout = this.layout = new Springy.Layout.ForceDirected(params);
    return this;
}
  
})();

  /* FUNCTIONS TO CALCULATE DISTANCE BETWEEN
     MOUSE CURSOR AND NODE. UNITS: PIXELS.   
  */
Layout.ForceDirected.prototype.setMouseVector = function(x,y) {     
    this.mousepoint.x = x; this.mousepoint.y = y;
    console.log(this);
    return this;    
};

Layout.ForceDirected.prototype.mpSubtract = function(v2) {
  this.mousepoint.x = this.mousepoint.x - v2.mousepoint.x;
  this.mousepoint.y = this.mousepoint.y - v2.mousepoint.y;
return this;
};

Layout.ForceDirected.prototype.mpMagnitude = function() {    
return Math.sqrt(this.mousepoint.x*this.mousepoint.x + this.mousepoint.y*this.mousepoint.y);;
};

jQuery(canvas).mousemove(function(e) {
    if (dragged == null)
      {    
      if ( (new Date().getTime()) - timer >= wait )
        timer = new Date().getTime();
      else
        return false;
      }
      
    var canvasPosition = jQuery(this).offset();
    nearest = layout.getNode(
      canvasPosition,
      e.pageX - canvasPosition.left, // x
      e.pageY - canvasPosition.top // y
      );
    p = layout.getMousePoint();                

    // @TODO: VYPOČÍTAT magnitude (délku přepony) 
    var coords = layout.setMouseVector(e.pageX, e.pageY);
    console.log(coords);
    var sizes = coords.subtract(nearest);
    var distance = sizes.magnitude(); 
    }

    /* FUNCTIONS TO CALCULATE DISTANCE BETWEEN
     MOUSE CURSOR AND NODE. UNITS: PIXELS.   
  */
this.prototype.setMouseVector = function(x,y) {     
    this.track.x = x; this.track.y = y;
return this;    
};

this.prototype.subtract = function(v2) {
    this.track.x = this.track.x - v2.track.x;
    this.track.y = this.track.y - v2.track.y;
return this;
};

this.prototype.magnitude = function() {    
        return Math.sqrt(this.coords.x*this.coords.x + this.coords.y*this.coords.y);;
};

jQuery(canvas).mousemove(function(e) {
// a zevnitř se má spouštět:
var distance = this.setMouseVector(e.pageX, e.pageY).subtract(nearest).magnitude();
}

jQuery.fn.springy = function(params) {
// nastavení proměnných
this.track = {x:null, y:null};
// ...
var layout = this.layout = new Springy.Layout.ForceDirected(params, canvas);
// ..
Springy.requestAnimationFrame(function adjust() {
// ...
}

//  další nastavení
//  události
jQuery(canvas).mousedown(function(e) {
// ...
}

jQuery(canvas).mousemove(function(e) {
// volání setMouseVector() odsud
}

jQuery(window).bind('mouseup',function(e){
//...
další funkce.
}

}

jQuery(canvas).mousemove(function(e) {
// ...
var distance = nearest.setMouseVector(e.pageX, e.pageY).subtract(nearest).magnitude();
}

  this.prototype.subtract = function(v2) {
    this.track.x = this.track.x - v2.track.x;
    this.track.y = this.track.y - v2.track.y;
return this;
    };

this.prototype.magnitude = function() {    
return Math.sqrt(this.coords.x*this.coords.x + this.coords.y*this.coords.y);;
    };    
return this;

  this.track.prototype.setMouseVector = function(x,y) {     
    this.track.x = x; this.track.y = y;
    console.log(this);
    return this;    
    };