static void applyHeightMap(Vector3[] vertices, IXHeightMap heightMap)
{
for (int i = 0; i < vertices.Length; i++)
{
Vector3 vertex = vertices[i];
vertices[i].y = heightMap.yFor(vertex.x, vertex.z);
}
}
public CaveMesh create(OIGrid grid, int wallHeight)
{
//grid = grid.mirror();
grid = grid.rotate90();
IXHeightMap floorHeight = new XFlatHeightMap(0);
//IXHeightMap ceilHeight = new XFlatHeightMap(wallHeight);
IXHeightMap ceilHeight = _ceilHeightMap;
Mesh floorMesh = createPlaneMesh(grid.invert(), floorHeight);
Mesh ceilMesh = createPlaneMesh(grid, ceilHeight);
Mesh wallMesh = createWallMesh(grid, floorHeight, ceilHeight);
return(new CaveMesh(ceilMesh, wallMesh, floorMesh));
}
static Mesh createPlaneMesh(OIGrid grid, IXHeightMap heightMap)
{
Mesh mesh = new XTriangulator().triangolate(grid);
Vector3[] vert = mesh.vertices; //NOTA: mesh.vertices ritorna un CLONE
mesh.uv = flatUVfor(vert);
applyHeightMap(vert, heightMap);
mesh.vertices = vert;
mesh.RecalculateBounds();
mesh.RecalculateNormals();
//TANGENTS ????
return(mesh);
}
private Mesh createWallMesh(OIGrid grid, IXHeightMap floorHeighMap, IXHeightMap ceilHeightMap)
{
int[,] map = grid.asMatrix();
Vector3 center = new Vector3(-map.GetLength(1) / 2f + 0.5f, 0, -map.GetLength(0) / 2f + 0.5f);
int squareSize = 1;
List <Vector3[]> outlines = XOutlineGenerator.Generate(grid, center, squareSize);
XMeshAdapter meshAdapter = new XMeshAdapter();
meshAdapter.vertices = XWallBuilder.GetVertices(outlines, floorHeighMap, ceilHeightMap);
meshAdapter.uv = XWallBuilder.GetUVs(outlines, meshAdapter.vertices);
meshAdapter.triangles = XWallBuilder.GetTriangles(outlines);
return(meshAdapter.asMesh());
}
/*
* public static MeshData Build(WallGrid grid, IHeightMap floorHeightMap, IHeightMap ceilingHeightMap)
* {
* List<Vector3[]> outlines = OutlineGenerator.Generate(grid);
*
* MeshData mesh = new MeshData();
* mesh.vertices = GetVertices(outlines, floorHeightMap, ceilingHeightMap);
* mesh.uv = GetUVs(outlines, mesh.vertices);
* mesh.triangles = GetTriangles(outlines);
* return mesh;
* }
*/
public static Vector3[] GetVertices(List <Vector3[]> outlines, IXHeightMap floorHeightMap, IXHeightMap ceilHeightMap)
{
int numWallVertices = 2 * outlines.Sum(outline => outline.Length);
var vertices = new Vector3[numWallVertices];
int vertexIndex = 0;
foreach (Vector3[] outline in outlines)
{
for (int i = 0; i < outline.Length; i++)
{
Vector3 vertex = outline[i];
float x = vertex.x;
float z = vertex.z;
//vertices[vertexIndex++] = new Vector3(x, ceilingHeightMap.GetHeight(x, z), z);
//vertices[vertexIndex++] = new Vector3(x, floorHeightMap.GetHeight(x, z), z);
vertices[vertexIndex++] = new Vector3(x, floorHeightMap.yFor(x, z), z);
vertices[vertexIndex++] = new Vector3(x, ceilHeightMap.yFor(x, z), z);
}
}
return(vertices);
}
public CaveMeshFactory(IXHeightMap ceilHeightMap)
{
_ceilHeightMap = ceilHeightMap;
}