public IDisposable ApplyToShader(ShaderLayerParams layerParams, ComputeShader computeShader)
{
computeShader.SetInt("lod", lod);
computeShader.SetVector("globalPosition", position);
computeShader.SetFloat("globalScale", layerParams.globalScale);
return(Disposable.Empty);
}
public IDisposable ApplyToShader(ShaderLayerParams layerParams, ComputeShader computeShader)
{
var gridInterval = (int)Mathf.Pow(2f, (float)gridLOD);
computeShader.SetInt("lattice_GridSize", gridSize);
computeShader.SetInt("lattice_GridInterval", gridInterval);
ComputeBuffer pointsBuffer = new ComputeBuffer(points.Length, sizeof(float) * 2);
pointsBuffer.SetData(points);
computeShader.SetBuffer(0, "lattice_Points", pointsBuffer);
return(Disposable.Create(pointsBuffer.Release));
}
public void GenerateTerrain()
{
mutatorData.position = new Vector2(transform.position.x, transform.position.z);
var lodMultiplier = Mathf.Pow(2, mutatorData.lod);
TerrainPointData pointData = new TerrainPointData
{
data = new float[mapSize * mapSize],
mapSize = mapSize
};
var minMax = new int[] { int.MaxValue, 0 };
CompositeDisposable shaderDisposables = new CompositeDisposable();
var shaderParams = new ShaderLayerParams
{
globalScale = globalScale
};
perlinData.ApplyToShader(shaderParams, terrainComputeShader)
.AddTo(shaderDisposables);
mutatorData.ApplyToShader(shaderParams, terrainComputeShader)
.AddTo(shaderDisposables);
latticeGrid.latticeData.ApplyToShader(shaderParams, terrainComputeShader)
.AddTo(shaderDisposables);
falloffData.ApplyToShader(shaderParams, terrainComputeShader)
.AddTo(shaderDisposables);
RunHeightmapShader(ref minMax, ref pointData.data, mapSize)
.AddTo(shaderDisposables);
RunFinalPass(minMax, ref pointData.data)
.AddTo(shaderDisposables);
shaderDisposables.Dispose();
TerrainMeshData terrainData = new TerrainMeshData
{
lod = mutatorData.lod,
pointData = pointData
};
var factory = new TerrainMeshFactory();
factory.GenerateTerrainMesh(terrainData)
.Subscribe(mesh => meshFilter.mesh = mesh);
}
public IDisposable ApplyToShader(ShaderLayerParams layerParams, ComputeShader computeShader)
{
computeShader.SetInt("perlin_Octaves", octaves);
computeShader.SetFloat("perlin_Lacunarity", lacunarity);
computeShader.SetFloat("perlin_Persistence", persistance);
computeShader.SetFloat("perlin_Scale", scale);
var rnd = new System.Random(seed);
Vector2[] offsets = new Vector2[octaves];
for (int i = 0; i < octaves; i++)
{
offsets[i] = new Vector2(rnd.Next(-10000, 10000), rnd.Next(-10000, 10000));
}
ComputeBuffer offsetsBuffer = new ComputeBuffer(offsets.Length, sizeof(float) * 2);
offsetsBuffer.SetData(offsets);
computeShader.SetBuffer(0, "perlin_Offsets", offsetsBuffer);
return(Disposable.Create(offsetsBuffer.Release));
}
