public static Mesh GenerateContiguousTerrainFromHM(HeightMap heightMap, ContiguousTerrainSettings terrainSettings)
{
switch (terrainSettings.terrainMeshType)
{
case GridType.Square:
return(ContiguousMeshGenerator.GenerateTerrainMesh(heightMap, terrainSettings));
case GridType.PointyHex:
return(ContiguousPointyHexMeshGenerator.GenerateTerrainMesh(heightMap, terrainSettings));
default:
Debug.LogError("Terrain underlying grid type hasn't set up.");
break;
}
return(new Mesh());
}
public static HeightMap GenerateContiguousTerrainHeightMap(ContiguousTerrainSettings terrainSettings)
{
HeightMap heightMap;
switch (terrainSettings.terrainMeshType)
{
case GridType.Square:
return(HeightMapGenerator.GenerateHeightMap(terrainSettings.heightMapSettings, new Vector2(0, 0), terrainSettings.tileMapSettings.mapWidth, terrainSettings.tileMapSettings.mapHeight));
case GridType.PointyHex:
return(HeightMapGenerator.GenerateHeightMap(terrainSettings.heightMapSettings, new Vector2(0, 0), terrainSettings.tileMapSettings.mapWidth * 2 + (terrainSettings.tileMapSettings.mapHeight > 1 ? 2 : 1), terrainSettings.tileMapSettings.mapHeight * 3 + 2));
default:
Debug.LogError("Terrain underlying grid type hasn't set up.");
break;
}
return(new HeightMap());
}
public static Mesh GenerateTerrainMesh(HeightMap heightMap, ContiguousTerrainSettings settings)
{
Mesh mesh = new Mesh();
Vector2 bottomLeft;
/// FIX CENTERED (vertexOffest breaks centre)
if (settings.tileMapSettings.isCentered)
{
bottomLeft = new Vector2(-settings.tileMapSettings.mapWidth * settings.tileMapSettings.cellScale * (PointyHexTileData.innerRadius * 2f) * 0.5f,
-((settings.tileMapSettings.mapHeight - 1) * (PointyHexTileData.outerRadius * 1.5f) + 0.5f * PointyHexTileData.outerRadius) * settings.tileMapSettings.cellScale * 0.5f)
+ new Vector2(settings.tileMapSettings.mapOffsetX, -settings.tileMapSettings.mapOffsetZ);
}
else
{
bottomLeft = new Vector2(settings.tileMapSettings.mapOffsetX, -settings.tileMapSettings.mapOffsetZ);
}
Debug.DrawRay(new Vector3(bottomLeft.x, 0.0f, bottomLeft.y), Vector3.up * 5.0f, Color.red, 0.5f);
Vector3[] vertices = new Vector3[2 * settings.tileMapSettings.mapWidth + settings.tileMapSettings.mapHeight * (settings.tileMapSettings.mapWidth * 3 + 2)];
int[,] cellCenters = new int[settings.tileMapSettings.mapWidth, settings.tileMapSettings.mapHeight];
Vector2[] uv = new Vector2[vertices.Length];
Color[] colors = new Color[vertices.Length];
int[] triangles = new int[settings.tileMapSettings.mapWidth * settings.tileMapSettings.mapHeight * 18]; //18 = 6 triangles * 3 vertices
Vector3 vertexOffset = new Vector3(PointyHexTileData.innerRadius, 0.0f, PointyHexTileData.outerRadius) * settings.tileMapSettings.cellScale;
Color cellColor = Color.blue;
int vert = 0;
int tri = 0;
// Assign vertices
for (int z = 0; z < settings.tileMapSettings.mapHeight; z++)
{
for (int x = 0; x < settings.tileMapSettings.mapWidth; x++)
{
Vector3 cellOffset = new Vector3((x + z * 0.5f - z / 2) * (PointyHexTileData.innerRadius * 2f) * settings.tileMapSettings.cellScale,
0.0f, z * (PointyHexTileData.outerRadius * 1.5f) * settings.tileMapSettings.cellScale) + new Vector3(bottomLeft.x, 0.0f, bottomLeft.y);
Vector3 cellSpawnPoint = cellOffset + vertexOffset;
Debug.DrawRay(cellSpawnPoint, Vector3.up * 3.0f, Color.green, 0.5f);
cellCenters[x, z] = vert;
CreateCenter(ref vertices, ref uv, ref colors, ref vert, ref cellSpawnPoint, ref settings.tileMapSettings.cellScale, ref cellColor, ref x, ref z, ref heightMap);
CreateVertices(0, 2, ref vertices, ref uv, ref colors, ref vert, ref cellSpawnPoint, ref settings.tileMapSettings.cellScale, ref cellColor, ref x, ref z, ref heightMap);
if (z == 0)
{
CreateVertices(2, 2, ref vertices, ref uv, ref colors, ref vert, ref cellSpawnPoint, ref settings.tileMapSettings.cellScale, ref cellColor, ref x, ref z, ref heightMap);
if (x == 0)
{
CreateVertices(4, 2, ref vertices, ref uv, ref colors, ref vert, ref cellSpawnPoint, ref settings.tileMapSettings.cellScale, ref cellColor, ref x, ref z, ref heightMap);
}
}
else if (z % 2 == 0)
{
if (x == 0)
{
CreateVertices(4, 2, ref vertices, ref uv, ref colors, ref vert, ref cellSpawnPoint, ref settings.tileMapSettings.cellScale, ref cellColor, ref x, ref z, ref heightMap);
}
}
else
{
if (x == 0)
{
CreateVertices(5, 1, ref vertices, ref uv, ref colors, ref vert, ref cellSpawnPoint, ref settings.tileMapSettings.cellScale, ref cellColor, ref x, ref z, ref heightMap);
}
if (x == settings.tileMapSettings.mapWidth - 1)
{
CreateVertices(2, 1, ref vertices, ref uv, ref colors, ref vert, ref cellSpawnPoint, ref settings.tileMapSettings.cellScale, ref cellColor, ref x, ref z, ref heightMap);
}
}
// Triangles
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, 0), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, 1), ref triangles, ref tri);
if (z == 0)
{
for (int i = 1; i < 3; i++)
{
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, i), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, i + 1), ref triangles, ref tri);
}
if (x == 0)
{
for (int i = 3; i < 6; i++)
{
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, i), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, i + 1), ref triangles, ref tri);
}
}
else
{
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, 3), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x - 1, z, 2), ref triangles, ref tri);
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x - 1, z, 2), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x - 1, z, 1), ref triangles, ref tri);
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x - 1, z, 1), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, 0), ref triangles, ref tri);
}
}
else if (z % 2 == 0)
{
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, 1), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z - 1, 0), ref triangles, ref tri);
if (x == 0)
{
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z - 1, 0), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z - 1, 5), ref triangles, ref tri);
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z - 1, 5), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, 4), ref triangles, ref tri);
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, 4), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, 5), ref triangles, ref tri);
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, 5), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, 0), ref triangles, ref tri);
}
else
{
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z - 1, 0), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x - 1, z - 1, 1), ref triangles, ref tri);
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x - 1, z - 1, 1), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x - 1, z - 1, 0), ref triangles, ref tri);
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x - 1, z - 1, 0), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x - 1, z, 1), ref triangles, ref tri);
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x - 1, z, 1), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, 0), ref triangles, ref tri);
}
}
else
{
if (x == settings.tileMapSettings.mapWidth - 1)
{
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, 1), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, 2), ref triangles, ref tri);
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, 2), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z - 1, 1), ref triangles, ref tri);
}
else
{
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, 1), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x + 1, z - 1, 0), ref triangles, ref tri);
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x + 1, z - 1, 0), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z - 1, 1), ref triangles, ref tri);
}
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z - 1, 1), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z - 1, 0), ref triangles, ref tri);
if (x == 0)
{
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z - 1, 0), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, 5), ref triangles, ref tri);
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, 5), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, 0), ref triangles, ref tri);
}
else
{
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z - 1, 0), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x - 1, z, 1), ref triangles, ref tri);
CreateTriangle(ref cellCenters[x, z], GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x - 1, z, 1), GetVertexInHex(ref cellCenters, ref settings.tileMapSettings.mapWidth, x, z, 0), ref triangles, ref tri);
}
}
}
}
mesh.name = "Contiguous Pointy Hex Terrain Mesh";
mesh.vertices = vertices;
mesh.uv = uv;
mesh.triangles = triangles;
mesh.colors = colors;
mesh.RecalculateNormals();
return(mesh);
}
public static Mesh GenerateTerrainMesh(HeightMap map, ContiguousTerrainSettings settings)
{
Mesh mesh = new Mesh();
Vector2 bottomLeft;
if (settings.tileMapSettings.isCentered)
{
bottomLeft = new Vector2(-map.width, -map.height) * settings.tileMapSettings.cellScale * 0.5f + new Vector2(settings.tileMapSettings.mapOffsetX, -settings.tileMapSettings.mapOffsetZ);
}
else
{
bottomLeft = new Vector2(settings.tileMapSettings.mapOffsetX, -settings.tileMapSettings.mapOffsetZ);
}
Debug.DrawRay(new Vector3(bottomLeft.x, 0.0f, bottomLeft.y), Vector3.up * 5.0f, Color.red, 0.5f);
Vector3[] vertices = new Vector3[map.width * map.height];
Vector2[] uv = new Vector2[vertices.Length];
int[] triangles = new int[(map.width - 1) * (map.height - 1) * 6]; //6 = 2 triangles * 3 vertices
Color[] colors = new Color[vertices.Length];
float vertexOffset = settings.tileMapSettings.cellScale;
int vert = 0;
int tri = 0;
for (int y = 0; y < map.height; y++)
{
for (int x = 0; x < map.width; x++)
{
Vector3 cellOffset = new Vector3(x * settings.tileMapSettings.cellScale, 0.0f, y * settings.tileMapSettings.cellScale) + new Vector3(bottomLeft.x, 0.0f, bottomLeft.y);
//cellOffset.y += map.values[x, y] * settings.tileMapSettings.cellScale;
cellOffset.y += map.values[x, y];
vertices[vert] = cellOffset;
uv[vert] = new Vector2((float)x / map.width, (float)y / map.height);
//colors[vert] = map.values[x == 0 ? x : x - 1, y == 0 ? y : y - 1].cellMapColor;
colors[vert] = Color.blue;
Debug.DrawRay(vertices[vert], Vector3.up * 3.0f, Color.green, 0.5f);
vert++;
}
}
vert = 0;
for (int y = 0; y < map.height - 1; y++) //careful, <, not <= Because triangles use i and i+1 column inside the loop
{
for (int x = 0; x < map.width - 1; x++)
{
triangles[tri] = triangles[tri + 3] = vert;
triangles[tri + 1] = vert + (map.width);
triangles[tri + 2] = triangles[tri + 4] = vert + (map.width) + 1;
triangles[tri + 5] = vert + 1;
vert++;
tri += 6;
}
vert++;
}
mesh.name = "Contiguous Terrain Mesh";
mesh.vertices = vertices;
mesh.uv = uv;
mesh.triangles = triangles;
mesh.colors = colors;
mesh.RecalculateNormals();
return(mesh);
}
