A class for generating pseudo-random numbers.
RandomNumberGenerator is a class for generating pseudo-random numbers. It currently uses [url=http://www.pcg-random.org/]PCG32[/url].
[b]Note:[/b] The underlying algorithm is an implementation detail. As a result, it should not be depended upon for reproducible random streams across Godot versions.
To generate a random float number (within a given range) based on a time-dependant seed:
[codeblock]
var rng = RandomNumberGenerator.new()
func _ready():
rng.randomize()
var my_random_number = rng.randf_range(-10.0, 10.0)
[/codeblock]
Generates pseudo-random float between '0.0' and '1.0', inclusive.
Generates pseudo-random float between [code]from[/code] and [code]to[/code], inclusive.
Generates normally(gaussian) distributed pseudo-random number, using Box-Muller transform with the specified [code]mean[/code] and a standard [code]deviation[/code].
Generates pseudo-random 32-bit unsigned integer between '0' and '4294967295', inclusive.
Generates pseudo-random 32-bit signed integer between [code]from[/code] and [code]to[/code] (inclusive).
Setups a time-based seed to generator.
The seed used by the random number generator. A given seed will give a reproducible sequence of pseudo-random numbers.
[b]Note:[/b] The RNG does not have an avalanche effect, and can output similar random streams given similar seeds. Consider using a hash function to improve your seed quality if they're sourced externally.