/// <summary>
/// Decimates a mesh.
/// </summary>
/// <param name="algorithm">The decimation algorithm.</param>
/// <param name="mesh">The mesh to decimate.</param>
/// <param name="targetTriangleCount">The target triangle count.</param>
/// <returns>The decimated mesh.</returns>
public static Mesh DecimateMesh(DecimationAlgorithm algorithm, Mesh mesh, int targetTriangleCount)
{
if (algorithm == null)
{
throw new ArgumentNullException("algorithm");
}
else if (mesh == null)
{
throw new ArgumentNullException("mesh");
}
int currentTriangleCount = mesh.TriangleCount;
if (targetTriangleCount > currentTriangleCount)
{
targetTriangleCount = currentTriangleCount;
}
else if (targetTriangleCount < 0)
{
targetTriangleCount = 0;
}
algorithm.Initialize(mesh);
algorithm.DecimateMesh(targetTriangleCount);
return(algorithm.ToMesh());
}
/// <summary>
/// Creates a specific decimation algorithm.
/// </summary>
/// <param name="algorithm">The desired algorithm.</param>
/// <returns>The decimation algorithm.</returns>
public static DecimationAlgorithm CreateAlgorithm(Algorithm algorithm)
{
DecimationAlgorithm alg = null;
switch (algorithm)
{
case Algorithm.Default:
case Algorithm.FastQuadricMesh:
alg = new FastQuadricMeshSimplification();
break;
default:
throw new ArgumentException("The specified algorithm is not supported.", "algorithm");
}
return(alg);
}
/// <summary>
/// Decimates a mesh without losing any quality.
/// </summary>
/// <param name="algorithm">The decimation algorithm.</param>
/// <param name="mesh">The mesh to decimate.</param>
/// <returns>The decimated mesh.</returns>
public static Mesh DecimateMeshLossless(DecimationAlgorithm algorithm, Mesh mesh)
{
if (algorithm == null)
{
throw new ArgumentNullException("algorithm");
}
else if (mesh == null)
{
throw new ArgumentNullException("mesh");
}
int currentTriangleCount = mesh.TriangleCount;
algorithm.Initialize(mesh);
algorithm.DecimateMeshLossless();
return(algorithm.ToMesh());
}