Print large and small numbers with their prefix multipliers

format_values.gd

func format_value(value: float) -> String:
	var result := ""
	var negative := value < 0.0
	value = abs(value)

	if _last_value > 1000.0:
		var scale = ["K", "M", "G", "T", "P", "E"]
		var v = _last_value
		var index = -1
		while v > 1000.0 and index < (scale.size() - 1):
			v /= 1000.0
			index += 1
		result = String(stepify(v, 0.001)) + scale[index] + unit

	if _last_value < 1.0:
		var scale = ["m", "u", "n", "a", "p"]
		var v = _last_value
		var index = -1
		while v < 1.0 and index < (scale.size() - 1):
			v *= 1000.0
			index += 1
		result = String(stepify(v, 0.001)) + scale[index] + unit

	if negative:
		result = "-" + result
   
	return result