/**
* Generate a triagle mesh for the hexagon
*/
public ITriangleMesh GenerateMesh()
{
ITriangleMesh mesh = new TriangleMesh();
Vector2[] texCoords = new Vector2[7];
Vector2 texCoordCenter = new Vector2(0.2f, 0.2f);
for (int i = 0; i < 6; i++)
{
Vector3 v = GetCorner(i);
mesh.AddVertex(v);
texCoords[i] = getTexCoord(0.2f, texCoordCenter, i);
}
mesh.AddVertex(pos);
texCoords[6] = texCoordCenter;
int texCoordStartIndex = mesh.GetNumberOfTexCoords();
for (int i = 0; i < 7; i++)
{
mesh.AddTextureCoordinate(texCoords[i]);
}
for (int i = 0; i < 6; i++)
{
Triangle t = new Triangle(i, 6, (i + 1) % 6, texCoordStartIndex + i, texCoordStartIndex + 6, texCoordStartIndex + (i + 1) % 6);
mesh.AddTriangle(t);
}
mesh.ComputeTriangleNormals();
return(mesh);
}
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);
}
