void OnValidate()
{
if (IsUsingStaticRadius)
{
points = PoissonDiscSampling.GeneratePoints(radius, regionSize, rejectionSamples);
}
else
{
pointsPlusRadius = PoissonDiscSampling.GeneratePointsOfDifferentSize(RadiusRange, regionSize, rejectionSamples);
}
}
public static TerrainData Generate(TerrainData data, TerrainSettings settings, TreeSet treeSet, GrassSet grassSet)
{
List <TerrainObjectData> placedTrees = new List <TerrainObjectData>();
List <TerrainObjectData> placedRareTrees = new List <TerrainObjectData>();
List <TerrainObjectData> placedGrass = new List <TerrainObjectData>();
float minValue;
float maxValue;
if (settings.placeAboveWaterLevel)
{
minValue = settings.oceanPercent + .01f;
}
else
{
minValue = settings.elevationMin;
}
if (settings.placeBelowMountainLevel)
{
maxValue = settings.mountainLevel - .01f;
}
else
{
maxValue = settings.elevationMax;
}
for (int x = 0; x < data.xSize; x++)
{
for (int z = 0; z < data.zSize; z++)
{
TileData tile = data.GetTileAtCoordinates(x, z);
if (tile.elevationValue > minValue && tile.elevationValue < maxValue && tile.type == TileType.Plains)
{
List <Vector3> treeSpawns = PoissonDiscSampling.GeneratePointsOfDifferentSize(settings.treePlacementRadius, Vector2.one * settings.tileSize);
for (int i = 0; i < treeSpawns.Count; i++)
{
if (Random.value > settings.rareTreePercent)
{
int typeIndex = Random.Range(0, treeSet.commonTrees.Count);
Vector3 randomRotation = new Vector3(0, Random.Range(0, 360), 0);
placedTrees.Add(new TerrainObjectData(typeIndex, tile.Position + new Vector3(treeSpawns[i].x, 0, treeSpawns[i].y), randomRotation, Vector3.one * 2));
}
else
{
int typeIndex = Random.Range(0, treeSet.rareTrees.Count);
Vector3 randomRotation = new Vector3(0, Random.Range(0, 360), 0);
placedRareTrees.Add(new TerrainObjectData(typeIndex, tile.Position + new Vector3(treeSpawns[i].x, 0, treeSpawns[i].y), randomRotation, Vector3.one * 2));
}
}
// create grass
List <Vector3> grassSpawns = PoissonDiscSampling.GeneratePointsOfDifferentSize(settings.grassPlacementRadius, Vector2.one * settings.tileSize);
for (int i = 0; i < grassSpawns.Count; i++)
{
int typeIndex = Random.Range(0, grassSet.common.Length);
Vector3 randomRotation = new Vector3(0, Random.Range(0, 360), 0);
placedGrass.Add(new TerrainObjectData(typeIndex, tile.Position + new Vector3(grassSpawns[i].x, 0, grassSpawns[i].y), randomRotation, Vector3.one));
}
}
}
}
data.rareTrees = placedRareTrees;
data.trees = placedTrees;
data.grass = placedGrass;
return(data);
}