public List <Mesh> GenerateIslandMesh(MapRegion region, IsleInfo info, float squareSize, float depth, TerrainVerticesDatabase vertDatabase)
{
squareGrid = new SquareGrid(region, squareSize);
vertices.Clear();
triangles.Clear();
coords.Clear();
meshDetail = new IsleMeshDetail();
for (int x = 0; x < squareGrid.squares.GetLength(0); x++)
{
for (int y = 0; y < squareGrid.squares.GetLength(1); y++)
{
TriangulateSquare(squareGrid.squares[x, y]);
}
}
vertDatabase.AddVertices(vertices, coords, transform.position + info.offset, info.id);
Mesh surfaceMesh = new Mesh();
surfaceMesh.vertices = vertices.ToArray();
surfaceMesh.triangles = triangles.ToArray();
surfaceMesh.RecalculateNormals();
Mesh undersideMesh = new Mesh();
triangles.Reverse();
undersideMesh.vertices = vertices.ToArray();
undersideMesh.triangles = triangles.ToArray();
undersideMesh.RecalculateNormals();
List <Mesh> meshList = new List <Mesh> ();
meshList.Add(surfaceMesh);
meshList.Add(CreateWallMesh(depth));
meshList.Add(undersideMesh);
info.surfaceMeshDetail = meshDetail;
return(meshList);
}
public List <Mesh> GenerateMesh(MapRegion region, IsleInfo info, float squareSize, float depth)
{
squareGrid = new SquareGrid(region, squareSize);
vertices.Clear();
triangles.Clear();
meshRegion = new MeshRegion();
for (int x = 0; x < squareGrid.squares.GetLength(0); x++)
{
for (int y = 0; y < squareGrid.squares.GetLength(1); y++)
{
TriangulateSquare(squareGrid.squares[x, y]);
}
}
List <Mesh> meshList = new List <Mesh> ();
Mesh surfaceMesh = new Mesh();
surfaceMesh.vertices = vertices.ToArray();
surfaceMesh.triangles = triangles.ToArray();
surfaceMesh.RecalculateNormals();
Mesh undersideMesh = new Mesh();
triangles.Reverse();
undersideMesh.vertices = vertices.ToArray();
undersideMesh.triangles = triangles.ToArray();
undersideMesh.RecalculateNormals();
meshList.Add(surfaceMesh);
meshList.Add(CreateWallMesh(depth));
meshList.Add(undersideMesh);
info.surfaceMeshRegion = meshRegion;
return(meshList);
}
void SeparateIslands(List <MapRegion> islandRegions)
{
// Based on regions, create separate child GameObject for each island
// Destroy all the previous islands
islands.Clear();
var childList = transform.Cast <Transform> ().ToList();
foreach (Transform island in childList)
{
#if UNITY_EDITOR
//////////////////////////////////////////////////////////// for debugging, only for in editor
if (!Application.isPlaying) ////
{
UnityEditor.EditorApplication.delayCall += () => ////
{ ////
if (island) ////
{
DestroyImmediate(island.gameObject); ////
} ////
}; ////
}
else ////
////////////////////////////////////////////////////////////
{
#endif
Destroy(island.gameObject);
#if UNITY_EDITOR
////////////////////////////////////////////////////////////
} ////
////////////////////////////////////////////////////////////
#endif
}
int islandCount = 0;
foreach (MapRegion region in islandRegions)
{
IsleInfo isle = new IsleInfo();
isle.id = islandCount;
// Create each isle game object
isle.gameObject = new GameObject("Island " + isle.id);
isle.gameObject.transform.parent = transform;
isle.gameObject.transform.localRotation = Quaternion.identity;
isle.offset = region.GetCentre() * islandData.tileSize;
isle.gameObject.transform.localPosition = isle.offset;
// Child game object of isle to store surface
GameObject surface = AddChildMesh("Surface", isle.gameObject.transform, withCollider);
// Child game object of isle to store wall
GameObject wall = AddChildMesh("Wall", isle.gameObject.transform);
// Child game object of isle to store underside
GameObject underside = AddChildMesh("Underside", isle.gameObject.transform);
underside.transform.position += Vector3.up * -islandData.depth;
List <Mesh> meshes = meshGen.GenerateIslandMesh(region, isle, islandData.tileSize, islandData.depth, vertDatabase);
// Mesh for surface
surface.GetComponent <MeshFilter> ().mesh = meshes[0];
surface.GetComponent <MeshRenderer> ().material = islandData.grassMaterial;
// Mesh for wall
wall.GetComponent <MeshFilter> ().mesh = meshes[1];
wall.GetComponent <MeshRenderer> ().material = islandData.wallMaterial;
// Mesh for underside
underside.GetComponent <MeshFilter> ().mesh = meshes[2];
underside.GetComponent <MeshRenderer> ().material = islandData.dirtMaterial;
islands.Add(isle);
islandCount++;
}
}
