/// <summary>
/// Triangulates the given object and parses the result to the builder.
/// </summary>
/// <param name="autoOptimize">Determine weather or not to use grid refinement, lazy cube evaluation and another sized grid - based on the given SDF.</param>
/// <returns></returns>
public virtual IPolygon Run(SDF obj, IPolygonBuilder builder, bool autoOptimize)
{
/// Setup!
if (autoOptimize)
{
Optimize(obj);
}
_obj = obj;
_builder = builder;
if (builder is GridLog)
{
_log = builder as GridLog;
_useLogging = true;
}
if (useRefinement)
{
GridRefinement();
}
else
{
_halfStep = new Vec3(_step / 2, _step / 2, _step / 2);
_lazy = _halfStep.Magnitude() * 1.001f;
Initialize();
GridLoop();
}
return(_builder.Build());
}
/// <summary>
/// Runs Polychop on the given mesh until the cost of removing a vertex exceeds the tolerance.
/// Cost is calculated as curvature * length of edge to collapse.
/// </summary>
/// <param name="mesh">The Polygon to run the algorithm on.</param>
/// <param name="builder">Preferred builder.</param>
/// <param name="iterations">Number of iterations to run.</param>
/// <returns></returns>
public IPolygon Run(IPolygon mesh, IPolygonBuilder builder, int iterations)
{
Import(mesh);
// Run algorithm
var useless = _pq.Count > 0 ? _pq.Dequeue() : null;
for (int i = 0; i < iterations; i++)
{
useless.Collapse();
useless = _pq.Count > 0 ? _pq.Dequeue() : null;
}
// Build
foreach (T tris in _triangles)
{
if (tris.normal != Vec3.zero)
{
builder.Append(tris.vert[0].position, tris.vert[1].position, tris.vert[2].position);
}
}
return(builder.Build());
}
/// <summary>
/// Runs Polychop on the given mesh until the cost of removing a vertex exceeds the tolerance.
/// Cost is calculated as curvature * length of edge to collapse.
/// </summary>
/// <param name="mesh">The Polygon to run the algorithm on.</param>
/// <param name="builder">Preferred builder.</param>
/// <param name="tolerance">Negative tolerance will result in unwanted behavior.</param>
/// <returns></returns>
public IPolygon Run(IPolygon mesh, IPolygonBuilder builder, float tolerance = 0.00001f)
{
Import(mesh);
// Run algorithm
var useless = _pq.Count > 0 ? _pq.Dequeue() : null;
while (useless != null && useless.objDist <= tolerance)
{
useless.Collapse();
useless = _pq.Count > 0 ? _pq.Dequeue() : null;
}
// Build
foreach (T tris in _triangles)
{
if (tris.normal != Vec3.zero)
{
builder.Append(tris.vert[0].position, tris.vert[1].position, tris.vert[2].position);
}
}
return(builder.Build());
}
