/**
* \brief Collapses all passed indices to a single shared index.
*
*/
public static bool MergeVertices(this pb_Object pb, int[] indices)
{
Vector3[] verts = pb.vertices;
Vector3 cen = Vector3.zero;
foreach (int i in indices)
{
cen += verts[i];
}
cen /= (float)indices.Length;
pb_IntArray[] sharedIndices = pb.sharedIndices;
int newIndex = pb_IntArrayUtility.MergeSharedIndices(ref sharedIndices, indices);
pb.SetSharedIndices(sharedIndices);
int firstTriInSharedIndexArr = pb.sharedIndices[newIndex][0];
pb.SetSharedVertexPosition(firstTriInSharedIndexArr, cen);
int[] mergedSharedIndex = pb.GetSharedIndices()[newIndex].array;
int[] removedIndices = pb.RemoveDegenerateTriangles();
// get a non-deleted index to work with
int ind = -1;
for (int i = 0; i < mergedSharedIndex.Length; i++)
{
if (!removedIndices.Contains(mergedSharedIndex[i]))
{
ind = mergedSharedIndex[i];
}
}
int t = ind;
for (int i = 0; i < removedIndices.Length; i++)
{
if (ind > removedIndices[i])
{
t--;
}
}
pb.ClearSelection();
if (t > -1)
{
pb.SetSelectedTriangles(new int[1] {
t
});
}
return(true);
}
/**
* \brief Collapses all passed indices to a single shared index. Retains vertex normals.
*
*/
public static bool MergeVertices(this pb_Object pb, int[] indices, out int collapsedIndex)
{
Vector3[] verts = pb.vertices;
Vector3 cen = Vector3.zero;
foreach (int i in indices)
{
cen += verts[i];
}
cen /= (float)indices.Length;
pb_IntArray[] sharedIndices = pb.sharedIndices;
int newIndex = pb_IntArrayUtility.MergeSharedIndices(ref sharedIndices, indices);
pb.SetSharedIndices(sharedIndices);
pb.SetSharedVertexPosition(newIndex, cen);
int[] mergedSharedIndex = pb.GetSharedIndices()[newIndex].array;
int[] removedIndices;
pb.RemoveDegenerateTriangles(out removedIndices);
// get a non-deleted index to work with
int ind = -1;
for (int i = 0; i < mergedSharedIndex.Length; i++)
{
if (!removedIndices.Contains(mergedSharedIndex[i]))
{
ind = mergedSharedIndex[i];
}
}
int t = ind;
for (int i = 0; i < removedIndices.Length; i++)
{
if (ind > removedIndices[i])
{
t--;
}
}
if (t > -1)
{
collapsedIndex = t;
return(true);
}
else
{
collapsedIndex = -1;
return(false);
}
}
static bool arch_endCaps = true; ///< Generate end cap faces of arch?
void ArchGUI()
{
arch_radius = EditorGUILayout.FloatField("Radius", arch_radius);
arch_radius = arch_radius <= 0f ? .01f : arch_radius;
arch_width = EditorGUILayout.FloatField("Thickness", arch_width);
arch_width = Mathf.Clamp(arch_width, 0.01f, 100f);
arch_depth = EditorGUILayout.FloatField("Depth", arch_depth);
arch_depth = Mathf.Clamp(arch_depth, 0.1f, 500.0f);
arch_radialCuts = EditorGUILayout.IntField("Number of Sides", arch_radialCuts);
arch_radialCuts = Mathf.Clamp(arch_radialCuts, 3, 200);
arch_angle = EditorGUILayout.FloatField("Arch Degrees", arch_angle);
arch_angle = Mathf.Clamp(arch_angle, 0.0f, 360.0f);
// arch_insideFaces = EditorGUILayout.Toggle("Inner Faces", arch_insideFaces);
// arch_outsideFaces = EditorGUILayout.Toggle("Outer Faces", arch_outsideFaces);
// arch_frontFaces = EditorGUILayout.Toggle("Front Faces", arch_frontFaces);
// arch_backFaces = EditorGUILayout.Toggle("Rear Faces", arch_backFaces);
if (arch_angle < 360f)
{
arch_endCaps = EditorGUILayout.Toggle("End Caps", arch_endCaps);
}
if (showPreview && (GUI.changed || initPreview))
{
SetPreviewObject(pb_ShapeGenerator.ArchGenerator(arch_angle,
arch_radius,
Mathf.Clamp(arch_width, 0.01f, arch_radius),
arch_depth,
arch_radialCuts,
arch_insideFaces,
arch_outsideFaces,
arch_frontFaces,
arch_backFaces,
arch_endCaps));
}
Color oldColor = GUI.backgroundColor;
GUI.backgroundColor = COLOR_GREEN;
EditorGUILayout.EndScrollView();
if (GUILayout.Button("Build " + shape, GUILayout.MinHeight(28)))
{
pb_Object pb = pb_ShapeGenerator.ArchGenerator(
arch_angle,
arch_radius,
Mathf.Clamp(arch_width, 0.01f, arch_radius),
arch_depth,
arch_radialCuts,
arch_insideFaces,
arch_outsideFaces,
arch_frontFaces,
arch_backFaces,
arch_endCaps);
int[] removed;
// happens when radius and width are the same :/
pb.RemoveDegenerateTriangles(out removed);
pbUndo.RegisterCreatedObjectUndo(pb.gameObject, "Create Shape");
if (userMaterial)
{
pb.SetFaceMaterial(pb.faces, userMaterial);
}
pb_Editor_Utility.SetPivotAndSnapWithPref(pb, null);
pb_Editor_Utility.InitObjectFlags(pb);
AlignWithPreviewObject(pb.gameObject);
DestroyPreviewObject();
showPreview = false;
if (prefClose)
{
this.Close();
}
}
GUI.backgroundColor = oldColor;
}
