extends Object
class_name ParamterList

var parameters: Dictionary[String,float] = {}

func numberOfParameters() -> int:
	return parameters.size()

func get_Parameters() -> Dictionary[String,float]:
	return parameters

func addParameter(name: String, value: float) -> void:
	if parameters.has(name):
		parameters[name] += value
	else:
		parameters[name] = value

func calculateParameterDistance(a:Dictionary[String,float],b:Dictionary[String,float]) -> float:
	var total: Dictionary[String,float] = a.duplicate()
	total.merge(b) ##total contains all keys
	
	var c: Dictionary[String,float] ##c will be used to calculate the distance
	var lengthC: float = 0 ##Return value
	
	##For each param in total either subtract or add if only one has param
	for param in total:
		if b.has(param) and a.has(param):
			c[param] = a[param] - b[param]
		else:
			c[param] = total[param]
	
	##Add together all values
	for param in c:
		lengthC += pow(c[param],2)
	## Squareroot to get length of n-Dimensional Vector made up of all entries of c (a - b = c)
	lengthC = sqrt(lengthC)
	
	return lengthC