/// <summary>
/// Creates the terrain.
/// </summary>
public void CreateTerrain()
{
Data = new TerrainData();
Data.heightmapResolution = Setting.HeightmapResolution;
Data.alphamapResolution = Setting.AlphamapResolution;
Data.SetHeights(0, 0, Heightmap);
ApplyTextures(Data);
Data.size = new Vector3(Setting.Length, Setting.Height, Setting.Length);
GameObject newTerrainGameObject = Terrain.CreateTerrainGameObject(Data);
newTerrainGameObject.transform.position = new Vector3(Position.X * Setting.Length, 0, Position.Z * Setting.Length);
// create a new terrain chunk
TerrainChunk = newTerrainGameObject.GetComponent <Terrain>();
TerrainChunk.heightmapPixelError = 8;
TerrainChunk.materialType = UnityEngine.Terrain.MaterialType.Custom;
TerrainChunk.materialTemplate = Setting.TerrainMaterial;
TerrainChunk.reflectionProbeUsage = UnityEngine.Rendering.ReflectionProbeUsage.Off;
TerrainChunk.Flush();
ApplyTrees(Data);
}
/// <summary>
/// Updates the neighbors.
/// </summary>
public void UpdateNeighbors()
{
if (TerrainChunk != null)
{
var xDown = Neighborhood.XDown == null ? null : Neighborhood.XDown.TerrainChunk;
var xUp = Neighborhood.XUp == null ? null : Neighborhood.XUp.TerrainChunk;
var zDown = Neighborhood.ZDown == null ? null : Neighborhood.ZDown.TerrainChunk;
var zUp = Neighborhood.ZUp == null ? null : Neighborhood.ZUp.TerrainChunk;
TerrainChunk.SetNeighbors(xDown, zUp, xUp, zDown);
TerrainChunk.Flush();
}
}
public void ReplaceTree()
{
RaycastHit hit;
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
if (Physics.Raycast(ray, out hit, 10.0f))
{
List <TreeInstance> allTrees = new List <TreeInstance>(TerrainChunk.terrainData.treeInstances);
for (int i = 0; i < allTrees.Count; i++)
{
allTrees.RemoveAt(i);
}
TerrainChunk.terrainData.treeInstances = allTrees.ToArray();
float[,] heights = TerrainChunk.terrainData.GetHeights(0, 0, 0, 0);
TerrainChunk.terrainData.SetHeights(0, 0, heights);
TerrainChunk.Flush();
}
}
