LayerMask Extensions

LayerMaskExtensions.cs

using UnityEngine;
using System.Collections.Generic;
public static class LayerMaskExtensions {

    // int extensions
    public static int Inverse(this int mask) {
        return ~mask;
    }
    public static int Combined(this int mask, int other) {
        return mask | other;
    }
    public static bool Includes(this int mask, int value) {
        return ((1 << value) & mask) != 0;
    }
    public static bool Includes(this int mask, string layerName) {
        return mask.Includes(LayerMask.NameToLayer(layerName));
    }
    public static bool IncludesAll(this int mask, IEnumerable<int> values) {
        foreach (var layer in values) {
            if (!mask.Includes(layer)) return false;
        }
        return true;
    }
    public static bool IncludesAny(this int mask, IEnumerable<int> values) {
        foreach (var layer in values) {
            if (mask.Includes(layer)) return true;
        }
        return false;
    }


    // LayerMask extensions
    public static LayerMask Inverse(this LayerMask layerMask) {
        return ~layerMask;
    }
    public static LayerMask Combined(this LayerMask layerMask, LayerMask other) {
        return layerMask | other;
    }
    public static bool Includes(this LayerMask layerMask, int value) {
        return layerMask.value.Includes(value);
    }
    public static bool Includes(this LayerMask layerMask, string layerName) {
        return layerMask.value.Includes(layerName);
    }
    public static bool IncludesAll(this LayerMask layerMask, IEnumerable<int> values) {
        return layerMask.value.IncludesAll(values);
    }
    public static bool IncludesAny (this LayerMask layerMask, IEnumerable<int> values) {
        return layerMask.value.IncludesAny(values);
    }
}