public override ColoredMesh GetMesh()
{
// Here we gonna generate mesh with duplicated triangles to avoid vertex color interpolation.
Vector3F[] initialPositions = DemoHelper.GenerateSinPoints(Resolution);
int[] initialIndices = GridHelper.GetStructuredTriangleListIndices(0, Resolution, Resolution, 1);
var vertices = new List <Vector3F>();
var normals = new List <Vector3F>();
var indices = new List <int>();
var colors = new List <Vector3F>();
int index = 0;
void SubmitVertex(Vector3F position, Vector3F normal, Vector3F color)
{
vertices.Add(position);
normals.Add(normal);
colors.Add(color);
indices.Add(index++);
}
int triangleCount = initialIndices.Length / 3;
for (int i = 0; i < triangleCount; i++)
{
Vector3F color = DemoHelper.GetRandomColor();
Vector3F
p0 = initialPositions[initialIndices[i * 3]],
p1 = initialPositions[initialIndices[i * 3 + 1]],
p2 = initialPositions[initialIndices[i * 3 + 2]];
Vector3F normal = NormalProcessor.GetNormal(p0, p1, p2);
SubmitVertex(p0, normal, color);
SubmitVertex(p1, normal, color);
SubmitVertex(p2, normal, color);
}
int[] indicesArray = indices.ToArray();
return(new ColoredMesh(vertices.ToArray(), colors.ToArray(), normals.ToArray(),
indicesArray, GridHelper.GetWireframeIndices(indicesArray)));
}