public List <GameObjectRayHit> RaycastAllMesh(Ray ray)
{
if (!RuntimeEditorApplication.Instance.UseUnityColliders)
{
return(_gameObjectSphereTree.RaycastAllMesh(ray));
}
else
{
RaycastHit[] hits = Physics.RaycastAll(ray);
var gameObjectHits = new List <GameObjectRayHit>();
foreach (var hit in hits)
{
// Retrieve the object which was hit
GameObject gameObject = hit.collider.gameObject;
if (gameObject == null)
{
continue;
}
if (!gameObject.activeSelf)
{
continue;
}
GameObjectRayHit gameObjectRayHit = null;
if (gameObject.RaycastMesh(ray, out gameObjectRayHit))
{
gameObjectHits.Add(gameObjectRayHit);
}
}
return(gameObjectHits);
}
}
public static bool RaycastBox(this GameObject gameObject, Ray ray, out GameObjectRayHit objectRayHit)
{
objectRayHit = null;
OrientedBox objectWorldOrientedBox = gameObject.GetWorldOrientedBox();
OrientedBoxRayHit objectBoxRayHit;
if (objectWorldOrientedBox.Raycast(ray, out objectBoxRayHit))
{
objectRayHit = new GameObjectRayHit(ray, gameObject, objectBoxRayHit, null, null, null);
}
return(objectRayHit != null);
}
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);
}
/// <summary>
/// Performs a raycast and returns a list of hits for all sprite objects intersected
/// by the ray.
/// </summary>
public List <GameObjectRayHit> RaycastAllSprite(Ray ray)
{
// First, retrieve a list of the sphere tree nodes which were hit by the ray.
// If no nodes were hit, it means no object was hit either.
List <SphereTreeNodeRayHit <GameObject> > allNodeHits = _sphereTree.RaycastAll(ray);
if (allNodeHits.Count == 0)
{
return(new List <GameObjectRayHit>());
}
// Loop through all nodes which were hit by the ray. For each node, we have to detect
// if the ray hits the sprite object.
var gameObjectHits = new List <GameObjectRayHit>();
foreach (SphereTreeNodeRayHit <GameObject> nodeHit in allNodeHits)
{
// Retrieve the object which resides in the node
GameObject gameObject = nodeHit.HitNode.Data;
if (gameObject == null)
{
continue;
}
if (!gameObject.HasSpriteRendererWithSprite())
{
continue;
}
// If the ray intersects the object's sprite, add the hit to the list
GameObjectRayHit gameObjectRayHit = null;
if (gameObject.RaycastSprite(ray, out gameObjectRayHit))
{
gameObjectHits.Add(gameObjectRayHit);
}
}
return(gameObjectHits);
}
public static bool RaycastSprite(this GameObject gameObject, Ray ray, out GameObjectRayHit objectRayHit)
{
objectRayHit = null;
SpriteRenderer spriteRenderer = gameObject.GetComponent <SpriteRenderer>();
if (spriteRenderer == null)
{
return(false);
}
OrientedBox objectWorldOrientedBox = gameObject.GetWorldOrientedBox();
OrientedBoxRayHit objectBoxRayHit;
if (objectWorldOrientedBox.Raycast(ray, out objectBoxRayHit))
{
SpriteRayHit spriteHit = new SpriteRayHit(ray, objectBoxRayHit.HitEnter, spriteRenderer, objectBoxRayHit.HitPoint, objectBoxRayHit.HitNormal);
objectRayHit = new GameObjectRayHit(ray, gameObject, null, null, null, spriteHit);
}
return(objectRayHit != null);
}
/// <summary>
/// Performs a raycast and returns a list of hits for all objects whose meshes
/// are intersected by the specified ray.
/// </summary>
public List <GameObjectRayHit> RaycastAllMesh(Ray ray)
{
// First, we will gather the objects whos boxes are intersected by the ray. If
// no such objects exist, we will return an empty list.
List <GameObjectRayHit> allBoxHits = RaycastAllBox(ray);
if (allBoxHits.Count == 0)
{
return(new List <GameObjectRayHit>());
}
// Now we will loop through all these objects and identify the ones whose meshes
// are hit by the ray.
var allMeshObjectHits = new List <GameObjectRayHit>(allBoxHits.Count);
foreach (var boxHit in allBoxHits)
{
// Store the object for easy access
GameObject hitObject = boxHit.HitObject;
if (hitObject == null)
{
continue;
}
if (!hitObject.activeSelf)
{
continue;
}
GameObjectRayHit gameObjectRayHit = null;
if (hitObject.RaycastMesh(ray, out gameObjectRayHit))
{
allMeshObjectHits.Add(gameObjectRayHit);
}
}
return(allMeshObjectHits);
}
