public void GenerateNoise(Vector2i offset)
{
this.offset = offset;
int sizeX = map.GetLength(0);
int sizeZ = map.GetLength(1);
for (int x = 0; x < sizeX; x += step)
{
for (int y = 0; y < sizeZ; y += step)
{
Vector2i a = new Vector2i(x, y) + offset;
Vector2i b = a + new Vector2i(step, step);
float v1 = noise.Noise(a.x, a.y);
float v2 = noise.Noise(b.x, a.y);
float v3 = noise.Noise(a.x, b.y);
float v4 = noise.Noise(b.x, b.y);
for (int tx = 0; tx < step && x + tx < sizeX; tx++)
{
for (int ty = 0; ty < step && y + ty < sizeZ; ty++)
{
float fx = (float)tx / step;
float fy = (float)ty / step;
float i1 = Mathf.Lerp(v1, v2, fx);
float i2 = Mathf.Lerp(v3, v4, fx);
map[x + tx, y + ty] = Mathf.Lerp(i1, i2, fy);
}
}
}
}
}
float CalculatePerlinNoiseHeight(int x, int z)
{
float xCoordValue = (((float)x + pNoiseOffsetX) / xSize) * scale;
float zCoordValue = (((float)z + pNoiseOffsetZ) / zSize) * scale;
float perlinNoiseHeight = perlinNoise2D.Noise(xCoordValue, zCoordValue) * depth;
return(perlinNoiseHeight);
}
/// <summary>
/// 頂点座標を動かす
/// </summary>
/// <remarks>ノイズを重ねる</remarks>
/// <param name="peeks">頂点座標</param>
/// <param name="chunkWorldPos">チャンク座標のワールド座標</param>
/// <param name="amplitude">波の大きさ</param>
/// <param name="wavePeriod">波の周期</param>
private void MovePeeks(int[,] peeks, IntVector3 chunkWorldPos, float amplitude, float wavePeriod)
{
for (int z = 0, iEnd = peeks.GetLength(0); z < iEnd; z++)
{
for (int x = 0, jEnd = peeks.GetLength(1); x < jEnd; x++)
{
// パーリンノイズの結果を四捨五入してから頂点の座標とする
peeks[z, x] += Mathf.RoundToInt(noiseGenerator.Noise((chunkWorldPos.x + x) / wavePeriod, (chunkWorldPos.z + z) / wavePeriod) * amplitude);
}
}
}
//Helper method to generate out a single x,y section of the terrain
private void Generate(int cx, int cz)
{
int h1 = (int)(noise1.Noise(cx, cz) * 4);
if (h1 < 0)
{
h1 *= -1;
}
h1 = (h1) < 3? 3: (h1);
h1 = (h1) > 8? 8 : h1;
int h2 = (int)(noise2.Noise(cx, cz) * 2);
h2 = h2 < 0 ? 0: h2;
h2 = 6 > h2 ? 6: h2;
h2 += h1;
int deep = 0;
int worldY = h2;
for (; worldY > h1; worldY--)
{
if (noise3d.Noise(cx, worldY, cz) < 0)
{
GenerateBlock(cx, worldY, cz, deep);
deep++;
}
else
{
deep = 0;
}
}
for (; worldY >= 0; worldY--)
{
GenerateBlock(cx, worldY, cz, deep);
deep++;
}
}