public void GenerateMap()
{ // (拿取)fetching the 2D noisemap from noise class
float[,] noiseMap = Noise.GenerateNoiseMap(mapChunkSize, mapChunkSize, seed, noiseData.noiseScale, noiseData.octaves, noiseData.persistance, noiseData.lancunarity, noiseData.offset);
Color[] colourMap = new Color[mapChunkSize * mapChunkSize];
for (int y = 0; y < mapChunkSize; y++)
{
for (int x = 0; x < mapChunkSize; x++)
{
float currentHeight = noiseMap[x, y]; // height at this point = noisemap x by y
for (int i = 0; i < regions.Length; i++)
{ // loop the paramter of the all array of TerrainTypes[] regions
if (currentHeight <= regions[i].height)
{
colourMap[y * mapChunkSize + x] = regions[i].colour; // save the color of each pixel of noise map
break;
}
}
}
}
textureData.UpdateMeshHeights(terrainMaterial, minHeight, maxHeight);
MapDisplay display = FindObjectOfType <MapDisplay>();
if (drawMode == DrawMode.Noisemap)
{
display.DrawTexture(TextureGenerator.GenerateNoiseMap(noiseMap));
}
else if (drawMode == DrawMode.ColourMap)
{
display.DrawTexture(TextureGenerator.GenerateColourMap(colourMap, mapChunkSize, mapChunkSize));
}
else if (drawMode == DrawMode.Mesh)
{
display.DrawMesh(MeshGenerator.GenerateTerrainMesh(noiseMap, terrainData.meshHeightMultiplier, terrainData.meshHeightCurve, levelOfDetail), TextureGenerator.GenerateColourMap(colourMap, mapChunkSize, mapChunkSize));
}
}