using System.Collections;

using System.Collections.Generic;

using UnityEngine;

public class SpatialDistortionManager : MonoBehaviour {

// this spatial distortion manager converts staircase level into spatial distortion information

public EnvironmentSpecifications env;

public float standard_distortion_radius = 60; //absolute distance that feature will be moved following spatial distortion

public float ran1, ran2;

private void Awake()

{

//standard_distortion_radius = env.environmentRadius * 0.49f;

//standard_distortion_radius = 1.3f;

}

public float AbsoluteDistortionFromStandard(float distortion_level)

{

Debug.Log("dmanager _ " + distortion_level + "__" + standard_distortion_radius);

return standard_distortion_radius * distortion_level;

}

public float NormalisedRandomDistortion(float mean, float sd)//float minValue, float maxValue, float mean, float standardDeviation)

{

float s = 0;

//float spare = 0;

bool foundgaussian = false;

//bool hasSpare = false;

while (foundgaussian == false)

{

while(s>=1 || s ==0){

ran1 = 2.0f * Random.Range(0f, 1.0f) - 1f;

ran2 = 2.0f * Random.Range(0f, 1.0f) - 1f;

s = ran1 * ran1 + ran2 * ran2;

}

s = Mathf.Sqrt((-2.0f * Mathf.Log(s)) / s);

//spare = ran1 * ran2;

//hasSpare = true;

foundgaussian = true;

}

return mean + sd * ran1 * s;

}

}