public static void Flip(CSGBrush[] brushes, Matrix4x4 flipMatrix, string undoDescription = "Flip brushes")
{
var fail = false;
Undo.IncrementCurrentGroup();
Undo.RegisterCompleteObjectUndo(brushes.ToArray <UnityEngine.Object>(), undoDescription);
var isGlobal = Tools.pivotRotation == PivotRotation.Global;
var centerAll = BoundsUtilities.GetCenter(brushes);
for (var t = 0; t < brushes.Length; t++)
{
var brush = brushes[t];
var position = brush.transform.position;
Matrix4x4 brushFlip;
Vector3 brushCenter;
if (isGlobal)
{
brushFlip = brush.transform.localToWorldMatrix *
flipMatrix *
brush.transform.worldToLocalMatrix;
brushCenter = brush.transform.InverseTransformPoint(centerAll) - position;
}
else
{
brushFlip = flipMatrix;
brushCenter = brush.transform.InverseTransformPoint(centerAll);
}
brushFlip = Matrix4x4.TRS(brushCenter, Quaternion.identity, Vector3.one) *
brushFlip *
Matrix4x4.TRS(-brushCenter, Quaternion.identity, Vector3.one);
brush.EnsureInitialized();
var shape = brush.Shape;
for (var s = 0; s < shape.Surfaces.Length; s++)
{
var plane = shape.Surfaces[s].Plane;
var normal = brushFlip.MultiplyVector(plane.normal);
var biNormal = brushFlip.MultiplyVector(shape.Surfaces[s].BiNormal);
var tangent = brushFlip.MultiplyVector(shape.Surfaces[s].Tangent);
var pointOnPlane = plane.pointOnPlane;
pointOnPlane = brushFlip.MultiplyPoint(pointOnPlane);
shape.Surfaces[s].Plane = new CSGPlane(normal, pointOnPlane);
shape.Surfaces[s].BiNormal = biNormal;
shape.Surfaces[s].Tangent = tangent;
}
var controlMesh = brush.ControlMesh;
var vertices = controlMesh.Vertices;
for (var v = 0; v < vertices.Length; v++)
{
vertices[v] = brushFlip.MultiplyPoint(vertices[v]);
}
var polygons = controlMesh.Polygons;
for (var p = 0; p < polygons.Length; p++)
{
Array.Reverse(polygons[p].EdgeIndices);
}
var edges = controlMesh.Edges;
var twinVertices = new short[edges.Length];
for (var e = 0; e < edges.Length; e++)
{
twinVertices[e] = edges[edges[e].TwinIndex].VertexIndex;
}
for (var e = 0; e < edges.Length; e++)
{
edges[e].VertexIndex = twinVertices[e];
}
brush.ControlMesh.SetDirty();
EditorUtility.SetDirty(brush);
InternalCSGModelManager.CheckSurfaceModifications(brush, true);
ControlMeshUtility.RebuildShape(brush);
}
if (fail)
{
Debug.LogWarning("Failed to perform operation");
Undo.RevertAllInCurrentGroup();
}
InternalCSGModelManager.Refresh();
}
public static void Flip(CSGBrush[] brushes, Matrix4x4 flipMatrix, string undoDescription = "Flip brushes")
{
var fail = false;
Undo.IncrementCurrentGroup();
Undo.RegisterCompleteObjectUndo(brushes.ToArray <UnityEngine.Object>(), undoDescription);
var isGlobal = Tools.pivotRotation == PivotRotation.Global;
var centerAll = BoundsUtilities.GetCenter(brushes);
for (var t = 0; t < brushes.Length; t++)
{
var brush = brushes[t];
var shape = brush.Shape;
var position = brush.transform.position;
Matrix4x4 brushFlip;
Vector3 brushCenter;
if (isGlobal)
{
brushFlip = brush.transform.localToWorldMatrix *
flipMatrix *
brush.transform.worldToLocalMatrix;
brushCenter = brush.transform.InverseTransformPoint(centerAll) - position;
}
else
{
brushFlip = flipMatrix;
brushCenter = brush.transform.InverseTransformPoint(centerAll);
}
for (var s = 0; s < shape.Surfaces.Length; s++)
{
var plane = shape.Surfaces[s].Plane;
var normal = brushFlip.MultiplyVector(plane.normal);
var biNormal = brushFlip.MultiplyVector(shape.Surfaces[s].BiNormal);
var tangent = brushFlip.MultiplyVector(shape.Surfaces[s].Tangent);
var pointOnPlane = plane.pointOnPlane;
pointOnPlane -= brushCenter;
pointOnPlane = brushFlip.MultiplyPoint(pointOnPlane);
pointOnPlane += brushCenter;
shape.Surfaces[s].Plane = new CSGPlane(normal, pointOnPlane);
shape.Surfaces[s].BiNormal = biNormal;
shape.Surfaces[s].Tangent = tangent;
}
var controlMesh = brush.ControlMesh;
brush.Shape = shape;
brush.ControlMesh = ControlMeshUtility.CreateFromShape(shape);
if (brush.ControlMesh == null)
{
brush.ControlMesh = controlMesh;
fail = true;
break;
}
ShapeUtility.CreateCutter(shape, brush.ControlMesh);
brush.EnsureInitialized();
brush.ControlMesh.SetDirty();
EditorUtility.SetDirty(brush);
InternalCSGModelManager.CheckSurfaceModifications(brush, true);
ControlMeshUtility.RebuildShape(brush);
}
if (fail)
{
Debug.Log("Failed to perform operation");
Undo.RevertAllInCurrentGroup();
}
InternalCSGModelManager.Refresh();
}