void Awake()
{
alg = new DiamondSquareAlgorithm();
terrain = GetComponent <Terrain>();
h_size = terrain.terrainData.heightmapResolution;
terrain.terrainData.SetHeights(0, 0, alg.GenerateTerrain(h_size, seed, variation, roughness));
}
public void TestFindSquareMidPoint()
{
Tuple <int, int>[] points = { new Tuple <int, int>(0, 0), new Tuple <int, int>(2, 0), new Tuple <int, int>(0, 2), new Tuple <int, int>(2, 2) };
var result = DiamondSquareAlgorithm.FindSquareMidPoint(points);
var expected = Tuple.Create(1, 1);
Assert.AreEqual(expected, result);
}
public void TestFindDiamondsMidPoints()
{
Tuple <int, int>[] points = { new Tuple <int, int>(0, 0), new Tuple <int, int>(4, 0), new Tuple <int, int>(0, 4), new Tuple <int, int>(4, 4) };
var result = DiamondSquareAlgorithm.FindDiamondsMidPoints(points);
Tuple <int, int>[] expected = { new Tuple <int, int>(2, 0), new Tuple <int, int>(4, 2), new Tuple <int, int>(0, 2), new Tuple <int, int>(2, 4) };
Assert.AreEqual(expected, result);
}
public void TestFindMeanHeight()
{
Tuple <int, int>[] coords = { new Tuple <int, int>(0, 0), new Tuple <int, int>(0, 1), new Tuple <int, int>(1, 1), new Tuple <int, int>(1, 0) };
float[,] heights = { { 1, 2 }, { 3, 4 } };
var mean = DiamondSquareAlgorithm.FindMeanHeight(coords, heights);
var expected = 2.5f;
Assert.AreEqual(expected, mean);
}
public void TestDiamondSquareInit()
{
var mapSize = 3;
var result = DiamondSquareAlgorithm.DiamondSquareInit(mapSize);
Tuple <int, int>[] expected = { new Tuple <int, int>(0, 0), new Tuple <int, int>(2, 0), new Tuple <int, int>(0, 2), new Tuple <int, int>(2, 2) };
Assert.AreEqual(expected, result);
}
public void TestFindSquareCorners()
{
var division = 2;
var point = Tuple.Create(2, 2);
var result = DiamondSquareAlgorithm.FindSquareCorners(division, point);
Tuple <int, int>[] expected = { new Tuple <int, int>(2, 2), new Tuple <int, int>(4, 2), new Tuple <int, int>(2, 4), new Tuple <int, int>(4, 4) };
Assert.AreEqual(expected, result);
}
public void TestFindDiamondCornersRight()
{
var mapSize = 5;
var division = 2;
var point = Tuple.Create(mapSize - 1, 2);
var result = DiamondSquareAlgorithm.FindDiamondCorners(division, point, mapSize);
Tuple <int, int>[] expected = { new Tuple <int, int>(4, 1), new Tuple <int, int>(3, 2), new Tuple <int, int>(4, 3) };
Assert.AreEqual(expected, result);
}
public void TestFindDiamondCornersFull()
{
var mapSize = 5;
var division = 2;
var point = Tuple.Create(1, 1);
var result = DiamondSquareAlgorithm.FindDiamondCorners(division, point, mapSize);
Tuple <int, int>[] expected = { new Tuple <int, int>(1, 0), new Tuple <int, int>(2, 1), new Tuple <int, int>(0, 1), new Tuple <int, int>(1, 2) };
Assert.AreEqual(expected, result);
}
public void CreateTerrain(int allDivisions, float meshSize,
float meshHeight, float scale)
{
/*
* Get corresponding terrain data and set the heights calculated by
* our diamond square algorithm.
*/
TerrainData terrainData = terrain.terrainData;
DiamondSquareAlgorithm.ResultSet resultSet =
DiamondSquareAlgorithm.CreateTerrain(allDivisions, meshSize,
meshHeight);
terrainData.SetHeights(0, 0,
GetHeights(terrainData, resultSet, scale));
}
public static Vector3[] Generate(int mapSize)
{
return(DiamondSquareAlgorithm.GenerateDiamondSquareMap(mapSize, _r, _seed, heightMultiplier, _heightCurve));
}
