// 导出高度数据
public void exportHeightData()
{
string fileName = string.Format("{0}/Resources/TerrainData/{1}_{2}.bytes", Application.dataPath, mHeightMapNamePrefix, mTerrainId);
int w = terrainData.heightmapWidth;
int h = terrainData.heightmapHeight;
Vector3 meshScale = terrainData.size;
float tRes = Mathf.Pow(2, (int)saveResolution);
meshScale = new Vector3(meshScale.x / (w - 1) * tRes, meshScale.y, meshScale.z / (h - 1) * tRes);
Vector2 uvScale = new Vector2(1.0f / (w - 1), 1.0f / (h - 1));
float[,] tData = terrainData.GetHeights(0, 0, w, h);
w = (int)((w - 1) / tRes + 1);
h = (int)((h - 1) / tRes + 1);
Vector3[] tVertices = new Vector3[w * h];
float height = 0;
ByteBuffer buffer = new ByteBuffer();
for (int y = 0; y < h; y++)
{
for (int x = 0; x < w; x++)
{
height = tData[(int)(y * tRes), (int)(x * tRes)];
buffer.writeFloat(height);
}
}
UtilPath.saveByte2File(fileName, buffer.dynBuff.buff);
}