public static LowPolyTerrainData GetRandomMap()
{
var result = new LowPolyTerrainData(111, 111);
const float Depth = 30;
for (var y = 0; y < result.Height; y++)
{
for (var x = 0; x < result.Width; x++)
{
var tile = result.GetTile(x, y);
var height1 = CalcHeight(result, tile.Corner1, Depth);
var height2 = CalcHeight(result, tile.Corner2, Depth);
var height3 = CalcHeight(result, tile.Corner3, Depth);
tile.SetCorner(height1, 0);
tile.SetCorner(height2, 1);
tile.SetCorner(height3, 2);
var anyBelow = height1 < 4 || height2 < 4 || height3 < 4;
var allAbove = height1 > 14 && height2 > 14 && height3 > 14;
if (allAbove)
{
tile.HasTree = CalcHasTree(result, tile.Corner1);
tile.TreeScale = CalcTreeScale(result, tile.Corner2);
tile.TreeRotation = CalcTreeRotation(result, tile.Corner3);
}
result.SetTileType(x, y, anyBelow ? "sand" : "grass");
}
}
return result;
}
public void RemoveTrees(LowPolyTerrainData terrainData)
{
foreach (var position in Positions)
{
terrainData.GetTile(position.x, position.y).HasTree = false;
}
}
public static LowPolyTerrainData GetRandomMap()
{
var result = new LowPolyTerrainData(111, 111);
const float Depth = 30;
for (var y = 0; y < result.Height; y++)
{
for (var x = 0; x < result.Width; x++)
{
var tile = result.GetTile(x, y);
var height1 = CalcHeight(result, tile.Corner1, Depth);
var height2 = CalcHeight(result, tile.Corner2, Depth);
var height3 = CalcHeight(result, tile.Corner3, Depth);
tile.SetCorner(height1, 0);
tile.SetCorner(height2, 1);
tile.SetCorner(height3, 2);
var anyBelow = height1 < 4 || height2 < 4 || height3 < 4;
var allAbove = height1 > 14 && height2 > 14 && height3 > 14;
if (allAbove)
{
tile.HasTree = CalcHasTree(result, tile.Corner1);
tile.TreeScale = CalcTreeScale(result, tile.Corner2);
tile.TreeRotation = CalcTreeRotation(result, tile.Corner3);
}
result.SetTileType(x, y, anyBelow ? "sand" : "grass");
}
}
return(result);
}
public void RemoveTrees(LowPolyTerrainData terrainData)
{
foreach (var position in Positions)
{
terrainData.GetTile(position.x, position.y).HasTree = false;
}
}
void CreateTrees()
{
for (var y = 0; y < TerrainData.Height; y++)
{
for (var x = 0; x < TerrainData.Width; x++)
{
var tile = TerrainData.GetTile(x, y);
if (tile.HasTree)
{
AddTree(tile);
}
}
}
}
private void RenderTileTriangle(int x, int y)
{
var tile = terrainData.GetTile(x, y);
var vi = verticies.Count;
verticies.Add(tile.Corner1);
verticies.Add(tile.Corner2);
verticies.Add(tile.Corner3);
for (var i = vi; i < vi + 3; i++)
{
triangles.Add(i);
}
}
public float GetHighestPoint(LowPolyTerrainData terrainData)
{
var highest = float.MinValue;
foreach (var position in Positions)
{
var tile = terrainData.GetTile(position.x, position.y);
if (tile.Corner1.y > highest)
{
highest = tile.Corner1.y;
}
if (tile.Corner2.y > highest)
{
highest = tile.Corner2.y;
}
if (tile.Corner3.y > highest)
{
highest = tile.Corner3.y;
}
}
return highest;
}
public float GetLowestPoint(LowPolyTerrainData terrainData)
{
var lowest = float.MaxValue;
foreach (var position in Positions)
{
var tile = terrainData.GetTile(position.x, position.y);
if (tile.Corner1.y < lowest)
{
lowest = tile.Corner1.y;
}
if (tile.Corner2.y < lowest)
{
lowest = tile.Corner2.y;
}
if (tile.Corner3.y < lowest)
{
lowest = tile.Corner3.y;
}
}
return lowest;
}
public void CreateMesh(LowPolyTerrainData terrainData, string tileType, Material material)
{
var meshFilter = gameObject.AddComponent <MeshFilter>();
var meshCollider = gameObject.AddComponent <MeshCollider>();
var meshRenderer = gameObject.AddComponent <MeshRenderer>();
meshRenderer.material = material;
verticies = new List <Vector3>();
uvs = new List <Vector2>();
triangles = new List <int>();
this.terrainData = terrainData;
var width = terrainData.Width - 1;
var height = terrainData.Height - 1;
for (var y = 0; y < height; y++)
{
for (var x = 0; x < width; x++)
{
var tile = terrainData.GetTile(x, y);
if (tile.Type == tileType)
{
RenderTileTriangle(x, y);
}
}
}
var mesh = new Mesh();
meshFilter.mesh = mesh;
mesh.vertices = verticies.ToArray();
mesh.uv = uvs.ToArray();
mesh.triangles = triangles.ToArray();
mesh.Optimize();
mesh.RecalculateNormals();
meshCollider.sharedMesh = mesh;
}
public void CreateMesh(LowPolyTerrainData terrainData, string tileType, Material material)
{
var meshFilter = gameObject.AddComponent<MeshFilter>();
var meshCollider = gameObject.AddComponent<MeshCollider>();
var meshRenderer = gameObject.AddComponent<MeshRenderer>();
meshRenderer.material = material;
verticies = new List<Vector3>();
uvs = new List<Vector2>();
triangles = new List<int>();
this.terrainData = terrainData;
var width = terrainData.Width - 1;
var height = terrainData.Height - 1;
for (var y = 0; y < height; y++)
{
for (var x = 0; x < width; x++)
{
var tile = terrainData.GetTile(x, y);
if (tile.Type == tileType)
{
RenderTileTriangle(x, y);
}
}
}
var mesh = new Mesh();
meshFilter.mesh = mesh;
mesh.vertices = verticies.ToArray();
mesh.uv = uvs.ToArray();
mesh.triangles = triangles.ToArray();
mesh.Optimize();
mesh.RecalculateNormals();
meshCollider.sharedMesh = mesh;
}
public float GetHighestPoint(LowPolyTerrainData terrainData)
{
var highest = float.MinValue;
foreach (var position in Positions)
{
var tile = terrainData.GetTile(position.x, position.y);
if (tile.Corner1.y > highest)
{
highest = tile.Corner1.y;
}
if (tile.Corner2.y > highest)
{
highest = tile.Corner2.y;
}
if (tile.Corner3.y > highest)
{
highest = tile.Corner3.y;
}
}
return(highest);
}
public float GetLowestPoint(LowPolyTerrainData terrainData)
{
var lowest = float.MaxValue;
foreach (var position in Positions)
{
var tile = terrainData.GetTile(position.x, position.y);
if (tile.Corner1.y < lowest)
{
lowest = tile.Corner1.y;
}
if (tile.Corner2.y < lowest)
{
lowest = tile.Corner2.y;
}
if (tile.Corner3.y < lowest)
{
lowest = tile.Corner3.y;
}
}
return(lowest);
}
