public void DebugUpdate()
{
var t = debugTerrain.GetComponent <Terrain>();
int hr = t.terrainData.heightmapResolution;
float s = Time.realtimeSinceStartup;
var res = GenerateTile(worldToTerrain(debugTerrain.transform.position, t), hr, hr, true);
debugTerrain.SetTerrainData(res.heightmap, res.alphamap, debugTerrain.transform.position);
Debug.LogFormat("Generated terrain in {0} seconds", Time.realtimeSinceStartup - s);
}
/// <summary>
/// First creates a poisson grid based on the passed density.
/// Positions are then filtered based on the passed object placement
/// type taking into account height and angle constraints.
/// </summary>
/// <param name="m">Mesh to sample height and angle values from</param>
/// <param name="type">object placement type to sample</param>
/// <param name="density">How dense should the samples be</param>
/// <returns>List of vectors within the grid and sample constraints</returns>
public List <Vector3> GetFilteredGrid(TerrainTile tile, ObjectPlacementType type, float density)
{
MeshFilter mf = tile.GetComponent <MeshFilter>();
if (mf == null)
{
throw new ArgumentException("The passed TerrainTile does not have an attached MeshFilter. Has a mesh been created?");
}
return(GetFilteredGrid(mf.sharedMesh, type));
}
void ResetTile(TerrainTile tile, IntVector2 tileIndex)
{
var gen = tile.GetComponent<HeightMapGenerator> ();
gen.terrainSize = terrainSize;
gen.heightSettings = heightSettings;
tile.ResetTile (tileIndex);
// TODO: Recompute TerrainData and everything that is on the Terrain!
}
/// <summary>
/// Calculates MeshData incrementally using a coroutine.
/// TerrainTile instance must have a MeshCollider attached to
/// the same gameobject
/// </summary>
/// <param name="onCalculated">Callback delegate when operations have finished</param>
///
public IEnumerator CalculateCells(CalcFinished onCalculated)
{
Random.InitState(TerraSettings.GenerationSeed);
float variation = TerraSettings.Instance.GrassVariation;
List <MeshData> data = new List <MeshData>();
Bounds bounds = Tile.Terrain.bounds;
Bounds worldBounds = Tile.GetComponent <MeshRenderer>().bounds;
int res = TerraSettings.Instance.MeshResolution;
float rayHeight = worldBounds.max.y + 5;
float rayMaxLength = rayHeight - (worldBounds.min.y - 5);
List <Vector3> verts = new List <Vector3>(MAX_VERTS_PER_MESH);
List <Vector3> norms = new List <Vector3>(MAX_VERTS_PER_MESH);
List <int> indicies = new List <int>(MAX_VERTS_PER_MESH);
int idx = 0;
int iterationCount = 0; //Tracks when to wait for next frame
for (float x = worldBounds.min.x; x < worldBounds.max.x; x += StepLength)
{
for (float z = worldBounds.min.z; z < worldBounds.max.z; z += StepLength)
{
float varX = x + Random.Range(-variation, variation);
float varZ = z + Random.Range(-variation, variation);
Ray r = new Ray(new Vector3(varX, rayHeight, varZ), Vector3.down);
RaycastHit hit;
if (MeshCollider.Raycast(r, out hit, rayMaxLength) && CanPlaceAt(hit))
{
verts.Add(new Vector3(varX, hit.point.y, varZ));
norms.Add(hit.normal);
indicies.Add(idx);
idx++;
}
//If max verts met, flush to MeshData list
if (verts.Count >= MAX_VERTS_PER_MESH)
{
MeshData d = new MeshData();
d.vertices = verts;
d.normals = norms;
d.indicies = indicies;
data.Add(d);
//Clear existing data
verts = new List <Vector3>();
norms = new List <Vector3>();
indicies = new List <int>();
idx = 0;
}
//Possibly wait for next frame
iterationCount++;
if (iterationCount > MAX_ITERATIONS_PER_FRAME)
{
iterationCount = 0;
yield return(null); //Wait for next frame
}
}
}
//Pause before returning as we want to create mesh in a different frame
yield return(null);
MeshData md = new MeshData();
md.vertices = verts;
md.normals = norms;
md.indicies = indicies;
data.Add(md);
onCalculated(data);
}
static void ClearOnMove(TerrainTile tile)
{
VSProMapsTile vsTile = tile.GetComponent <VSProMapsTile>();
vsTile?.OnDisable();
}
