public static TerrainMeshData GenerateMeshData(int size, LODInfo lodInfo, float[,] heightMap = null, float heightScale = 0, AnimationCurve heightCurve = null)
{
int lodStep = lodInfo.LodStep;
int lodSize = lodInfo.LodSize(size);
int triangleVertexCounter = 0;
float halfSize = (lodSize - 1) / 2f;
TerrainMeshData data = new TerrainMeshData(lodSize);
AnimationCurve copyHeightCurve = null;
if (heightCurve != null)
{
copyHeightCurve = new AnimationCurve(heightCurve.keys);
}
for (int z = 0; z < lodSize; z++)
{
for (int x = 0; x < lodSize; x++)
{
int vertexIndex = z * lodSize + x;
float height = 0;
if (heightMap != null)
{
float heightSample = heightMap[x * lodStep, z *lodStep];
height = heightSample * heightScale;
if (copyHeightCurve != null)
{
height *= copyHeightCurve.Evaluate(heightSample);
}
}
data.vertices[vertexIndex] = new Vector3((x - halfSize) * lodStep,
height,
(z - halfSize) * lodStep);
data.uvs[vertexIndex] = new Vector2(x / (float)lodSize, z / (float)lodSize);
if ((x < lodSize - 1) && (z < lodSize - 1))
{
int triangleIndex = triangleVertexCounter * 6;
data.triangles[triangleIndex] = vertexIndex;
data.triangles[triangleIndex + 1] = vertexIndex + lodSize;
data.triangles[triangleIndex + 2] = vertexIndex + lodSize + 1;
data.triangles[triangleIndex + 3] = vertexIndex + lodSize + 1;
data.triangles[triangleIndex + 4] = vertexIndex + 1;
data.triangles[triangleIndex + 5] = vertexIndex;
triangleVertexCounter++;
}
}
}
return(data);
}
public static VoxelMeshData GenerateVoxelMeshData(int size, int cellSize, LODInfo lodInfo, int[,] heightLevelMap = null)
{
int lodStep = lodInfo.LodStep;
int lodSize = lodInfo.LodSize(size);
int lodCellSize = cellSize * lodInfo.LodStep;
float halfSizeScaled = lodCellSize * lodSize / 2;
VoxelMeshData data = new VoxelMeshData();
Vector3 centerOffset = new Vector3(-halfSizeScaled, 0, -halfSizeScaled);
for (int z = 0; z < lodSize; z++)
{
for (int x = 0; x < lodSize; x++)
{
data.AddVoxel(x, z, lodStep, lodSize, lodCellSize, heightLevelMap, centerOffset);
}
}
//data.AddVoxel(x, z, size, cellSize, heightLevelMap, centerOffset);
return(data);
}
