private void BuildGrid()
{
var pointList = PoissonDisk.GeneratePoisson(ExampleUtils.ScreenRect, cellDimensions.magnitude, 10);
grid = LineGrid <SpriteCell> .BeginShape().Segment(pointList.Count).EndShape();
var map2D = VoronoiMap <LinePoint> .MakeMap(pointList);
voronoiMap = map2D.To3DXY();
foreach (var point in grid)
{
var cell = Instantiate(cellPrefab);
Vector3 worldPoint = voronoiMap[point];
cell.transform.parent = root.transform;
cell.transform.localScale = Vector3.one;
cell.transform.localPosition = worldPoint;
cell.Color = ExampleUtils.Colors[ColorFunction(point)] + Color.white * 0.1f;
cell.name = point.ToString();
grid[point] = cell;
}
ExampleUtils.PaintScreenTexture(plane, voronoiMap.To2D(), ColorFunction);
}
private void PlaceLevels(Floor floor, Location location)
{
const float levelDistance = 75f;
var disk = new PoissonDisk(Random.Next());
var points = disk.SampleRectangle(new Vector2(0, 0), new Vector2(floor.Settings.Width, floor.Settings.Height), levelDistance);
foreach (var point in points)
{
if (!floor.IsPointPassable(point))
{
continue;
}
double roll = Random.NextDouble();
var returnWarp = new Warp(location, point);
floor.Tiles[point] = roll > 0.5
? GenerateWarp(ParentWorld.DungeonGenerator, LocationType.Dungeon, returnWarp, Sprites.LadderDown)
: GenerateWarp(ParentWorld.CaveGenerator, LocationType.Cave, returnWarp, Sprites.LadderDown);
}
}
private void PlantTrees(Floor floor)
{
const float baseTreeDistance = 10f;
var disk = new PoissonDisk(Random.Next());
var points = disk.SampleRectangle(new Vector2(0, 0), new Vector2(floor.Settings.Width, floor.Settings.Height), baseTreeDistance);
foreach (var point in points)
{
if (floor.Tiles[point] is WaterTile)
{
continue;
}
double roll = Random.NextDouble();
bool plantTree = false;
switch (floor.Tiles[point].SpriteId)
{
case Sprites.Sand:
plantTree = roll < 0.1;
break;
case Sprites.ValleyGrass:
plantTree = roll < 0.5;
break;
case Sprites.ForestGrass:
plantTree = roll < 0.9;
break;
}
if (plantTree)
{
floor.Entities.Add(point, new Tree(Sprites.Reserved));
}
}
}
private void assignTrees()
{
PoissonDisk poisson = new PoissonDisk();
Vector2[,] treeSamples = poisson.GenerateSamples();
for (int i = 0; i < treeSamples.GetLength(0); i++)
{
for (int j = 0; j < treeSamples.GetLength(1); j++)
{
if (treeSamples[i, j] != Vector2.zero)
{
int x = (int)treeSamples[i, j].x;
int z = (int)treeSamples[i, j].y;
int height = this.getHeightForCoords(x, z);
Voxel voxel = this.voxelData[x, height, z];
voxel.SetTree();
}
}
}
}
