//Color function
public static Color ColorDensity(float3 point, float3 gradient, TerrainColorData colorData)
{
gradient = math.normalize(gradient);
//Blends between grass and dirt
float grassBlend = math.saturate(math.pow(math.dot(gradient, new float3(0, 1, 0)) + colorData.offset, colorData.pow));
//Blends between dirt and stone
float dirtBlend = math.saturate(math.pow(math.dot(gradient, new float3(0, 1, 0)) + colorData.offset2, colorData.pow2));
float4 grassColor = ColorToFloat4(colorData.grass) * ((noise.snoise(point * colorData.grassNoiseScale) * colorData.grassNoiseMul) + colorData.grassNoiseOffset);
float4 color;
//color = math.lerp(ColorToFloat4(colorData.dirt), ColorToFloat4(colorData.grass), math.clamp(grassBlend, 0, 1));
color = math.lerp(math.lerp(ColorToFloat4(colorData.stone), ColorToFloat4(colorData.dirt), dirtBlend), grassColor, grassBlend);
//Clamping
//color = new float4(gradient, 1);
color = math.clamp(color, float4.zero, new float4(1, 1, 1, 1));
return(Float4ToColor(color));
}
//Generates the MarchingCube mesh
public void GenerateMesh(TerrainGenerationData _terrainGenerationData, TerrainColorData _terrainColorData, Vector3Int chunkPos, TerrainGenerator _terrain, int[] _triTable, float3[] _edgeTable, float3[] _edgeTable2, int LOD = 0, bool resetMesh = true, bool immediate = false)
{
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
if (resetMesh)
{
GetComponent <MeshFilter>().sharedMesh = new Mesh();
}
completed = false;
terrainGenerationData = _terrainGenerationData;
terrainColorData = _terrainColorData;
terrain = _terrain;
chunkPosition = chunkPos;
int resolution = terrainGenerationData.resolution - LOD;
voxels = new NativeArray <float>((resolution + 2) * (resolution + 2) * (resolution + 2), Allocator.Persistent);
vertices = new NativeArray <float3>(12 * resolution * resolution * resolution, Allocator.Persistent);
finalVertices = new NativeList <Vector3>(Allocator.Persistent);
triangles = new NativeArray <int>(16 * resolution * resolution * resolution, Allocator.Persistent);
finalTriangles = new NativeList <int>(Allocator.Persistent);
colors = new NativeArray <Color>(12 * resolution * resolution * resolution, Allocator.Persistent);
finalColors = new NativeList <Color>(Allocator.Persistent);
triTable = new NativeArray <int>(_triTable.Length, Allocator.Persistent);
edgeTable = new NativeArray <float3>(12, Allocator.Persistent);
edgeTable2 = new NativeArray <float3>(12, Allocator.Persistent);
edgeTable.CopyFrom(_edgeTable);
edgeTable2.CopyFrom(_edgeTable2);
triTable.CopyFrom(_triTable);
if (_terrainGenerationData.usePregeneratedVoxelData)
{
MarchingCubeVoxelJob voxelJob = new MarchingCubeVoxelJob()
{
voxels = voxels,
chunkPosition = new float3(chunkPosition.x * 10, chunkPosition.y * 10, chunkPosition.z * 10),
scale = (float)10 / (float)resolution,
resolution = resolution + 2,
terrainGenerationData = _terrainGenerationData
};
voxelHandle = voxelJob.Schedule((resolution + 2) * (resolution + 2) * (resolution + 2), 64);
}
MarchingCubeJob job = new MarchingCubeJob()
{
edgeTable = edgeTable,
edgeTable2 = edgeTable2,
scale = (float)10 / (float)resolution,
LOD = LOD,
voxels = voxels,
resolution = resolution,
triangulationTable = triTable,
chunkPosition = new float3(chunkPosition.x * 10, chunkPosition.y * 10, chunkPosition.z * 10),
vertices = vertices,
triangles = triangles,
colors = colors,
terrainGenerationData = _terrainGenerationData,
terrainColorData = _terrainColorData
};
if (_terrainGenerationData.usePregeneratedVoxelData)
{
jobHandle = job.Schedule(resolution * resolution * resolution, 64, voxelHandle);
}
else
{
jobHandle = job.Schedule(resolution * resolution * resolution, 64);
}
MarchingCubeOptimizeJob optimize = new MarchingCubeOptimizeJob()
{
vertices = vertices,
finalVertices = finalVertices,
triangles = triangles,
finalTriangles = finalTriangles,
colors = colors,
finalColors = finalColors
};
optimizeHandle = optimize.Schedule(jobHandle);
if (immediate)
{
CompleteChunkJob();
stopwatch.Stop();
UnityEngine.Debug.Log(stopwatch.ElapsedMilliseconds);
}
}
