private ITriangleMesh CreateMiddle(ITriangleMesh mesh, List <Hexagon> borderHexagons, float sideLength)
{
ITriangleMesh bottomMesh = new TriangleMesh();
foreach (Hexagon hex in borderHexagons)
{
ITriangleMesh hexMesh = hex.GenerateMesh();
TriangleMeshFactory.Flip(hexMesh);
TriangleMeshFactory.Unite(bottomMesh, hexMesh);
}
TriangleMeshFactory.Translate(bottomMesh, new Vector3(0, 0, -sideLength));
return(bottomMesh);
}
public ITriangleMesh GenerateIslandMesh()
{
HexagonField field = new HexagonField();
field.GenerateField();
ITriangleMesh mesh = new TriangleMesh();
// Top
ITriangleMesh topMesh = CreateTopSurface(field.GetAllHexagons());
TriangleMeshFactory.Unite(mesh, topMesh);
// Grass
float grassBorderHeight = field.SideLength * 0.1f;
Vector2[] grassBoundaryTexCoords = { new Vector2(0.1f, 0.1f), new Vector2(0.1f, 0.2f), new Vector2(0.2f, 0.1f), new Vector2(0.2f, 0.2f) };
ITriangleMesh grassBoundary = CreateBoundary(mesh, field.SideLength, grassBorderHeight, grassBorderHeight, new Vector3(0, 0, 0), grassBoundaryTexCoords);
TriangleMeshFactory.Unite(mesh, grassBoundary);
// Middle-bottom
ITriangleMesh middleMesh = CreateMiddle(mesh, field.GetBorderHexagons(), field.SideLength);
TriangleMeshFactory.Unite(mesh, middleMesh);
ITriangleMesh bottomMesh = CreateTopSurface(field.GetNonBorderHexagons());
// Mud
float mudHeight = 2 * field.SideLength;
float mudBorderHeight = field.SideLength * 0.3f;
Vector2[] mudBoundaryTexCoords = { new Vector2(0.7f, 0.1f), new Vector2(0.7f, 0.2f), new Vector2(0.8f, 0.1f), new Vector2(0.8f, 0.2f) };
ITriangleMesh mudBoundary = CreateBoundary(bottomMesh, mudHeight, 0, mudBorderHeight, new Vector3(0, 0, 0), mudBoundaryTexCoords);
TriangleMeshFactory.Translate(mudBoundary, new Vector3(0, 0, -field.SideLength));
TriangleMeshFactory.Unite(mesh, mudBoundary);
// Bottom
TriangleMeshFactory.Flip(bottomMesh);
TriangleMeshFactory.Translate(bottomMesh, new Vector3(0, 0, -(mudHeight + field.SideLength)));
TriangleMeshFactory.Unite(mesh, bottomMesh);
mesh = TriangleMeshFactory.Snap(mesh, 1e-5f);
mesh.ComputeTriangleNormals();
mesh.SetTexture(new Texture("textures/island.png"));
return(mesh);
}
/**
* Create the mesh for the top.
* */
private ITriangleMesh CreateTopSurface(List <Hexagon> hexagons)
{
ITriangleMesh mesh = new TriangleMesh();
foreach (Hexagon hex in hexagons)
{
if (!hex.ConsistencyCheck())
{
Console.WriteLine("Inconsistency detected!");
}
ITriangleMesh hexMesh = hex.GenerateMesh();
TriangleMeshFactory.Unite(mesh, hexMesh);
}
mesh = TriangleMeshFactory.Snap(mesh, 1e-5f);
return(mesh);
}