/// <summary> Initialises the oclussion manager. </summary>
private void InitOclussionManager()
{
// create a list to hold the game objects
meshObjects = new List <GameObject>();
// create a list to hold the meshes
List <Mesh> meshes = new List <Mesh>();
MeshSplitter.CreateMeshes(width, height, (int)quadWidth, (int)quadHeight, (int)quadXGap, (int)quadYGap, ref meshes);
for (int i = 0; i < meshes.Count; ++i)
{
GameObject newObject = new GameObject("OcclusionMesh" + i);
newObject.AddComponent <MeshFilter>();
newObject.AddComponent <MeshRenderer>();
newObject.GetComponent <MeshFilter>().mesh = meshes[i];
newObject.GetComponent <MeshFilter>().mesh.bounds = new Bounds(Vector3.zero, Vector3.one);
newObject.transform.SetParent(_depthOcclusionGO.transform, false);
newObject.transform.localPosition = Vector3.zero;
newObject.transform.localScale = Vector3.one;
meshObjects.Add(newObject);
}
ApplyTexture(currentNativeTexture);
}
/// <summary>
/// Create separate meshes if there are too many vertices. Note assumes that both width and height are divisible by 4.
/// </summary>
public static void CreateMeshes(uint width, uint height, int quadWidth, int quadHeight, int quadXGap, int quadYGap, ref List <Mesh> meshes)
{
// collect the data which, if there were no limits, would be just one mesh.
Vector3[] vertices = CalculateVertices(width, height, quadWidth, quadHeight, quadXGap, quadYGap);
Vector2[] depthUV = MeshSplitter.CalcualteUVMap(vertices.Length, width, height);
Vector2[] quadUV = CalcualteUVQuadTexture(vertices.Length, width, height);
int[] indices = CalculateTriangles(vertices.Length);
// calculate how many meshes there will be and set the vertex limit
uint numMeshes = MeshSplitter.CalculateNumberOfMeshes(width, height);
CreateMeshes(numMeshes, vertices, depthUV, quadUV, indices, ref meshes);
}
/// <summary>
/// Create game objects and attach meshes to them.
/// </summary>
/// <param name="numMeshes">The number of meshes there are.</param>
/// <param name="meshes">The list containing the meshes.</param>
private void CreateGameObjects()
{
// create a list to hold the meshes
List <Mesh> meshes = new List <Mesh>();
MeshSplitter.CreateMeshes(width, height, (int)quadWidth, (int)quadHeight, (int)quadXGap, (int)quadYGap, ref meshes);
for (int i = 0; i < meshes.Count; ++i)
{
GameObject newObject = new GameObject("OcclusionMesh" + i);
newObject.AddComponent <MeshFilter>();
newObject.AddComponent <MeshRenderer>();
newObject.GetComponent <MeshFilter>().mesh = meshes[i];
newObject.transform.SetParent(gameObject.transform, true);
newObject.transform.localPosition = Vector3.zero;
newObject.transform.localScale = Vector3.one;
meshObjects.Add(newObject);
}
}