private static void CreateVertices(ref TerrainVars tVars,
List <Vector3> vertices)
{
int size = tVars.Size;
int scale = tVars.Scale;
for (int z = 0; z <= size; z++)
{
int xSize = size + z;
for (int x = 0; x <= xSize; x++)
{
vertices.Add(new Vector3(x - Hex.cos60 * z - size / 2f,
0, (z - size) * Hex.sin60) * scale);
}
}
for (int z = size + 1, i = 0; z <= 2 * size; z++, i++)
{
int xSize = 2 * size - i - 1;
for (int x = 0; x <= xSize; x++)
{
vertices.Add(new Vector3(x - (size - 1 - i) * Hex.cos60 - size / 2f,
0, (z - size) * Hex.sin60) * scale);
}
}
}
public static Mesh GenerateMesh(ref TerrainVars tVars)
{
Mesh mesh = new Mesh();
List <Vector3> vertices = new List <Vector3>();
List <int> triangles = new List <int>();
CreateVertices(ref tVars, vertices);
CreateTriangles(ref tVars, triangles);
mesh.vertices = vertices.ToArray();
mesh.triangles = triangles.ToArray();
return(mesh);
}
private static void CreateTriangles(ref TerrainVars tVars,
List <int> triangles)
{
int i = 0;
int size = tVars.Size;
for (int z = 0; z < size; z++, i++)
{
int xSize = size + z;
for (int x = 0; x < xSize; x++, i++)
{
triangles.Add(i);
triangles.Add(i + xSize + 1);
triangles.Add(i + xSize + 2);
triangles.Add(i);
triangles.Add(i + xSize + 2);
triangles.Add(i + 1);
if (x == xSize - 1)
{
triangles.Add(i + 1);
triangles.Add(i + xSize + 2);
triangles.Add(i + xSize + 3);
}
}
}
for (int z = 0; z < size; z++, i++)
{
int xSize = 2 * size - z;
for (int x = 0; x < xSize; x++, i++)
{
triangles.Add(i);
triangles.Add(i + xSize + 1);
triangles.Add(i + 1);
if (x != xSize - 1)
{
triangles.Add(i + 1);
triangles.Add(i + xSize + 1);
triangles.Add(i + xSize + 2);
}
}
}
}
private static void AddNoise(ref TerrainVars tVars,
ref NoiseVars nVars, ref MeshData mesh, Vector3 pos)
{
Vector3[] vertices = mesh.vertices;
float height = tVars.Height;
float[] noise = NoiseGenerator.noise(vertices, pos, ref nVars);
for (int i = 0; i < vertices.Length; i++)
{
Vector3 currentVertex = vertices[i];
vertices[i].y = (noise[i] * 2 - 1) * height;
}
mesh.vertices = vertices;
}
private static void AddNoise(ref TerrainVars tVars,
ref NoiseVars nVars, ref MeshData mesh, Vector3 pos)
{
Vector3[] vertices = mesh.vertices;
Color[] colors = new Color[vertices.Length];
Gradient gradient = tVars.gradient;
float height = tVars.Height;
float[] noise = NoiseGenerator.noise(vertices, pos, ref nVars);
for (int i = 0; i < vertices.Length; i++)
{
Vector3 currentVertex = vertices[i];
colors[i] = gradient.Evaluate(noise[i]);
vertices[i].y = (noise[i] * 2 - 1) * height;
}
mesh.vertices = vertices;
mesh.colors = colors;
mesh.RecalculateNormals();
}
public void AddHeights(ref TerrainVars tVars,
ref NoiseVars nVars, Vector3 pos)
{
float height = tVars.Height;
Vector3[] vertices = this.vertices;
AnimationCurve curve =
new AnimationCurve(tVars.curve.keys);
// Get noise
float[] noise =
NoiseGenerator.noise(vertices, pos, ref nVars);
for (int i = 0; i < vertices.Length; i++)
{
noise[i] = Mathf.Clamp01(curve.Evaluate(noise[i]));
vertices[i].y = (noise[i] * 2 - 1) * height;
}
// Save mesh values
this.vertices = vertices;
}
public void AddHeightsAndColors(ref TerrainVars tVars,
ref NoiseVars nVars, Vector3 pos)
{
Vector3[] vertices = this.vertices;
Color[] colors = new Color[vertices.Length];
Gradient gradient = tVars.gradient;
// Color keys
float[] keys = gradient.colorKeys
.Select(k => k.time).ToArray();
i1 = new float[vertices.Length];
i2 = new float[vertices.Length];
AnimationCurve curve =
new AnimationCurve(tVars.curve.keys);
float height = tVars.Height;
// Get noise
float[] noise =
NoiseGenerator.noise(vertices, pos, ref nVars);
for (int i = 0; i < vertices.Length; i++)
{
float cNoise = Mathf.Clamp01(curve.Evaluate(noise[i]));
colors[i] = gradient.Evaluate(cNoise);
vertices[i].y = (cNoise * 2 - 1) * height;
try
{
if (cNoise < keys[1])
{
i1[i] = 0;
}
if (cNoise > keys[0] && cNoise < keys[3])
{
i2[i] = 1;
}
if (cNoise > keys[2] && cNoise < keys[5])
{
i1[i] = 2;
}
if (cNoise > keys[4] && cNoise < keys[7])
{
i2[i] = 3;
}
if (cNoise > keys[6])
{
i1[i] = 4;
}
}
catch (IndexOutOfRangeException) { };
}
// Save mesh values
this.vertices = vertices;
this.colors = colors;
RecalculateNormals();
SaveIndexes();
}
