public static bool RaycastMesh(this GameObject gameObject, Ray ray, out GameObjectRayHit objectRayHit)
{
objectRayHit = null;
Mesh objectMesh = gameObject.GetMeshFromFilterOrSkinnedMeshRenderer();
if (objectMesh == null)
{
return(false);
}
EditorMesh editorMesh = EditorMeshDatabase.Instance.GetEditorMesh(objectMesh);
if (editorMesh != null)
{
MeshRayHit meshRayHit = editorMesh.Raycast(ray, gameObject.transform.GetWorldMatrix());
if (meshRayHit == null)
{
return(false);
}
objectRayHit = new GameObjectRayHit(ray, gameObject, null, meshRayHit, null, null);
return(true);
}
else
{
MeshCollider meshCollider = gameObject.GetComponent <MeshCollider>();
if (meshCollider != null)
{
RaycastHit rayHit;
if (meshCollider.Raycast(ray, out rayHit, float.MaxValue))
{
MeshRayHit meshRayHit = new MeshRayHit(ray, rayHit.distance, rayHit.triangleIndex, rayHit.point, rayHit.normal);
objectRayHit = new GameObjectRayHit(ray, gameObject, null, meshRayHit, null, null);
return(true);
}
}
else
{
return(gameObject.RaycastBox(ray, out objectRayHit));
}
}
return(false);
}
public GameObjectRayHit(Ray ray, GameObject hitObject, OrientedBoxRayHit objectBoxHit, MeshRayHit objectMeshHit, TerrainRayHit objectTerrainHit, SpriteRayHit objectSpriteHit)
{
_ray = ray;
_hitObject = hitObject;
// Only one kind of entity can be registered as a hit, so we will take the first
// non-null hit instance using the following priority: terrain, mesh, sprite, box.
if (objectTerrainHit != null)
{
_objectTerrainHit = objectTerrainHit;
_objectBoxHit = null;
_objectMeshHit = null;
_objectSpriteHit = null;
}
else
if (objectMeshHit != null)
{
_objectTerrainHit = null;
_objectBoxHit = null;
_objectMeshHit = objectMeshHit;
_objectSpriteHit = null;
}
else
if (objectSpriteHit != null)
{
_objectTerrainHit = null;
_objectBoxHit = null;
_objectMeshHit = null;
_objectSpriteHit = objectSpriteHit;
}
if (objectBoxHit != null)
{
_objectTerrainHit = null;
_objectBoxHit = objectBoxHit;
_objectMeshHit = null;
_objectSpriteHit = null;
}
}