public void TestMeshSet()
{
List <Vector3> vertices = new List <Vector3>();
List <int> indices = new List <int>();
List <int> wireIndices = new List <int>();
List <Vector3> normals = new List <Vector3>();
List <MeshResource> meshes = new List <MeshResource>();
uint[] colours;
Common.MakeHiResSphere(vertices, indices, normals);
// Build per vertex colours with colour cycling.
colours = new uint[vertices.Count];
for (int i = 0; i < colours.Length; ++i)
{
colours[i] = Colour.Cycle(i).Value;
}
// Build a wire frame sphere (with many redundant lines).
wireIndices.Capacity = indices.Count * 2;
for (int i = 0; i + 2 < indices.Count; i += 3)
{
wireIndices.Add(indices[i + 0]);
wireIndices.Add(indices[i + 1]);
wireIndices.Add(indices[i + 1]);
wireIndices.Add(indices[i + 2]);
wireIndices.Add(indices[i + 2]);
wireIndices.Add(indices[i + 0]);
}
// Create a mesh part.
uint nextId = 1;
SimpleMesh part;
// Vertices and indices only.
part = new SimpleMesh(nextId++, Net.MeshDrawType.Triangles);
part.AddVertices(vertices);
part.AddIndices(indices);
meshes.Add(part);
// Vertices, indices and colours.
part = new SimpleMesh(nextId++, Net.MeshDrawType.Triangles);
part.AddVertices(vertices);
part.AddIndices(indices);
part.AddColours(colours);
meshes.Add(part);
// Points and colours only (essentially a point cloud)
part = new SimpleMesh(nextId++, Net.MeshDrawType.Points);
part.AddVertices(vertices);
part.AddColours(colours);
meshes.Add(part);
// Lines
part = new SimpleMesh(nextId++, Net.MeshDrawType.Triangles);
part.AddVertices(vertices);
part.AddIndices(wireIndices);
meshes.Add(part);
// One with the lot.
part = new SimpleMesh(nextId++, Net.MeshDrawType.Triangles);
part.AddVertices(vertices);
part.AddNormals(normals);
part.AddColours(colours);
part.AddIndices(indices);
meshes.Add(part);
ShapeTestFramework.CreateShapeFunction create = () => { return(new MeshSet()); };
// Simple test first. One part.
ShapeTestFramework.TestShape(new MeshSet(42).AddPart(meshes[0]), create, ValidateMeshSetShape);
// Now a multi-part MeshSet.
MeshSet set = new MeshSet(42, 1);
Matrix4 transform;
for (int i = 0; i < meshes.Count; ++i)
{
transform = Rotation.ToMatrix4(new Quaternion(new Vector3(i, i + 1, i - 3).Normalised, (float)Math.PI * (i + 1) * 6.0f / 180.0f));
transform.Translation = new Vector3(i, i - 3.2f, 1.5f * i);
transform.ApplyScaling(new Vector3(0.75f, 0.75f, 0.75f));
set.AddPart(meshes[i], transform);
}
ShapeTestFramework.TestShape(set, create, ValidateMeshSetShape);
}
