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MattRix/RXLookingGlass.cs

Created November 3, 2014 21:09
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  1. MattRix created this gist Nov 3, 2014.
    34 changes: 34 additions & 0 deletions RXLookingGlass.cs
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    Original file line number Diff line number Diff line change
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    using UnityEngine;
    using UnityEditor;
    using System.Collections;
    using System;
    using System.Linq;
    using System.Reflection;

    [InitializeOnLoad]
    public class RXLookingGlass
    {
    public static Type type_HandleUtility;
    protected static MethodInfo meth_IntersectRayMesh;

    static RXLookingGlass()
    {
    var editorTypes = typeof(Editor).Assembly.GetTypes();

    type_HandleUtility = editorTypes.FirstOrDefault(t => t.Name == "HandleUtility");
    meth_IntersectRayMesh = type_HandleUtility.GetMethod("IntersectRayMesh",(BindingFlags.Static | BindingFlags.NonPublic));
    }

    public static bool IntersectRayMesh(Ray ray, MeshFilter meshFilter, out RaycastHit hit)
    {
    return IntersectRayMesh(ray,meshFilter.mesh,meshFilter.transform.localToWorldMatrix,out hit);
    }

    public static bool IntersectRayMesh(Ray ray, Mesh mesh, Matrix4x4 matrix, out RaycastHit hit)
    {
    var parameters = new object[]{ray,mesh,matrix,null};
    bool result = (bool)meth_IntersectRayMesh.Invoke(null,parameters);
    hit = (RaycastHit)parameters[3];
    return result;
    }
    }