public Mesh3V3N GenerateMesh()
{
var vertex3V3Ns = new List <Vertex3V3N>();
for (var i = -1; i <= TerrainWidth + 1; i++)
{
for (var j = -1; j <= TerrainHeight + 1; j++)
{
var vertex3V3N = CalculateVertex(i, j);
vertex3V3Ns.Add(vertex3V3N);
}
}
var tempMesh = new Mesh3V3N(vertex3V3Ns, CreateFacesForColumnMajorList(TerrainWidth + 2, TerrainHeight + 2));
tempMesh.CalculateNormals();
var vertices = new List <Vertex3V3N>();
for (var i = 0; i <= TerrainWidth; i++)
{
for (var j = 0; j <= TerrainHeight; j++)
{
var offset = (TerrainHeight + 3) * (i + 1) + j + 1;
vertices.Add(tempMesh.Vertices[offset]);
}
}
var mesh3V3N = new Mesh3V3N(vertices, CreateFacesForColumnMajorList(TerrainWidth, TerrainHeight));
return(mesh3V3N);
}
public Mesh3V3N GenerateMesh()
{
var vertex3V3Ns = new List<Vertex3V3N>();
for (var i = -1; i <= TerrainWidth + 1; i++)
{
for (var j = -1; j <= TerrainHeight + 1; j++)
{
var vertex3V3N = CalculateVertex(i, j);
vertex3V3Ns.Add(vertex3V3N);
}
}
var tempMesh = new Mesh3V3N(vertex3V3Ns, CreateFacesForColumnMajorList(TerrainWidth + 2, TerrainHeight + 2));
tempMesh.CalculateNormals();
var vertices = new List<Vertex3V3N>();
for (var i = 0; i <= TerrainWidth; i++)
{
for (var j = 0; j <= TerrainHeight; j++)
{
var offset = (TerrainHeight + 3)*(i + 1) + j + 1;
vertices.Add(tempMesh.Vertices[offset]);
}
}
var mesh3V3N = new Mesh3V3N(vertices, CreateFacesForColumnMajorList(TerrainWidth, TerrainHeight));
return mesh3V3N;
}
public RenderableMesh AllocateResourceFor(Mesh3V3N mesh)
{
var vertexBuffer = CreateVertexBuffer(mesh);
var elementBuffer = CreateElementBuffer(mesh);
//var vertexArrayObject = CreateAndSetupVertexArrayObject(vertexBuffer, elementBuffer);
return new RenderableMesh(vertexBuffer, elementBuffer, null, mesh.Faces.Length, this);
}
private VertexBufferObject<Vertex3V3N> CreateVertexBuffer(Mesh3V3N mesh)
{
var vertexBuffer = _resourceFactory.CreateVertexBufferObject<Vertex3V3N>(BufferTarget.ArrayBuffer);
vertexBuffer.Bind();
vertexBuffer.Data(mesh.Vertices);
vertexBuffer.Unbind();
return vertexBuffer;
}
private VertexBufferObject<uint> CreateElementBuffer(Mesh3V3N mesh)
{
//Todo pick index type depending on mesh size
if (mesh.Vertices.LongLength > uint.MaxValue) throw new NotImplementedException();
var indices = mesh.Faces.SelectMany(x => new[] { (uint)x.V0, (uint)x.V1, (uint)x.V2 }).ToArray();
var elementBuffer = _resourceFactory.CreateVertexBufferObject<uint>(BufferTarget.ElementArrayBuffer, sizeof(uint));
elementBuffer.Bind();
elementBuffer.Data(indices);
elementBuffer.Unbind();
return elementBuffer;
}
public void Update(Mesh3V3N mesh)
{
Mesh = mesh;
IsDirty = true;
}
public void Update(Mesh3V3N mesh)
{
_vertexBuffer.Bind();
_vertexBuffer.Data(mesh.Vertices, BufferUsageHint.StaticDraw);
_vertexBuffer.Unbind();
}
public OceanComponent(Mesh3V3N mesh)
{
Mesh = mesh;
}
