53 lines
1.3 KiB
C#
53 lines
1.3 KiB
C#
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class SellmeierEquation
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{
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public class Coefficients {
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public float[] B { get; private set; }
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public float[] C { get; private set; }
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public Coefficients(float[] b, float[] c) {
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B = b;
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C = c;
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if (b == null || c == null) {
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throw new System.Exception("Invalid args");
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}
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if (b.Length == 0 || c.Length == 0) {
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throw new System.Exception("Invalid args");
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}
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if (b.Length != c.Length) {
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throw new System.Exception("Invalid args");
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}
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}
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}
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private Coefficients _coeffs;
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public SellmeierEquation(Coefficients coeffs) {
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_coeffs = coeffs;
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}
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public float Calc(float wavelength) {
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return Calc(_coeffs, wavelength);
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}
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public static float Calc(Coefficients coeffs, float wavelength) {
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float lSquare = wavelength * wavelength;
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float resultSquared = 1.0f;
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for (int i = 0; i < coeffs.B.Length; i++) {
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float bi = coeffs.B[i];
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float ci = coeffs.C[i];
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resultSquared += (bi * lSquare) / (lSquare - ci);
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}
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return Mathf.Sqrt(resultSquared);
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}
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}
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