/// <summary>
/// Merges faces of the same side.
/// </summary>
/// <param name="o">pb_object to merge faces</param>
/// <param name="side">Coordinate distance to side being used.</param>
/// <param name="v">Vector value of the coordinate that indicates side</param>
/// <param name="useRotation">Whether or not to merge all sides with same vector value v</param>
/// <returns></returns>
public static int MergeFacesOfSameSide(pb_Object o, float side, VectorValue v, bool useRotation = false)
{
List <pb_Face> mergeableFaces = new List <pb_Face>();
foreach (pb_Face f in o.faces)
{
bool sameSide = true;
if (useRotation)
{
switch (v)
{
case VectorValue.z:
side = o.vertices[f.indices[0]].z;
break;
case VectorValue.y:
side = o.vertices[f.indices[0]].y;
break;
case VectorValue.x:
default:
side = o.vertices[f.indices[0]].x;
break;
}
}
float delta = 0.01f;
foreach (int index in f.indices)
{
switch (v)
{
case VectorValue.z:
sameSide = sameSide && Mathf.Abs(o.vertices[index].z - side) < delta;
break;
case VectorValue.y:
sameSide = sameSide && Mathf.Abs(o.vertices[index].y - side) < delta;
break;
case VectorValue.x:
default:
sameSide = sameSide && Mathf.Abs(o.vertices[index].x - side) < delta;
break;
}
}
if (sameSide)
{
mergeableFaces.Add(f);
}
}
if (mergeableFaces.Count > 1)
{
pb_Face[] faces = mergeableFaces.ToArray();
o.MergeFaces(faces);
return(1);
}
return(0);
}
/// <summary>
/// Merges the remaining faces of the given pb_object.
/// </summary>
public static void MergeRemainingFaces(pb_Object o, int mergedFaces)
{
List <pb_Face> mergeableFaces = new List <pb_Face>();
for (int index = 0; index < o.faceCount - mergedFaces; ++index)
{
mergeableFaces.Add(o.faces[index]);
}
pb_Face[] faces = mergeableFaces.ToArray();
o.MergeFaces(faces);
}