public void Split(Vector3 P0, Vector3 n, Shape2 shapeAbove, Shape2 shapeBelow, NewPointsGetter newPoints, ref int numInside)
{
LinkedPoint1 = null;
LinkedPoint2 = null;
var comp = Vector3.Dot(Point - P0, n);
if (Mathf.Abs(comp) <= Utils.PointInPlaneTol)
{
var newAbove = this;
var newBelow = new Point2(Point);
newPoints.AddPoints(this, newAbove, newBelow);
shapeAbove.AddPoint(newAbove);
shapeBelow.AddPoint(newBelow);
PlaneRelationship = PointPlaneRelationship.Inside;
numInside++;
}
else if (comp > 0.0f)
{
shapeAbove.AddPoint(this);
PlaneRelationship = PointPlaneRelationship.Above;
}
else
{
shapeBelow.AddPoint(this);
PlaneRelationship = PointPlaneRelationship.Below;
}
}
private void SplitAtEnd(NewPointsGetter newPoints, Shape2 shapeAbove, Shape2 shapeBelow)
{
if (EdgeP1.PlaneRelationship == PointPlaneRelationship.Inside)
{
if (EdgeP2.PlaneRelationship == PointPlaneRelationship.Above)
{
EdgeP1 = newPoints.GetPointAbove(EdgeP1);
shapeAbove.Edges.Add(this);
}
else
{
EdgeP1 = newPoints.GetPointBelow(EdgeP1);
shapeBelow.Edges.Add(this);
}
}
else if (EdgeP2.PlaneRelationship == PointPlaneRelationship.Inside)
{
if (EdgeP1.PlaneRelationship == PointPlaneRelationship.Above)
{
EdgeP2 = newPoints.GetPointAbove(EdgeP2);
shapeAbove.Edges.Add(this);
}
else
{
EdgeP2 = newPoints.GetPointBelow(EdgeP2);
shapeBelow.Edges.Add(this);
}
}
else
{
throw new System.Exception();
}
}
private void SplitInHalf(Vector3 x, NewPointsGetter newPoints, Shape2 shapeAbove, Shape2 shapeBelow)
{
var a = new Point2(x);
var b = new Point2(x);
newPoints.AddPoints(EdgeP1, EdgeP2, a, b);
shapeAbove.AddPoint(a);
shapeBelow.AddPoint(b);
if (EdgeP1.PlaneRelationship == PointPlaneRelationship.Above)
{
var newForBelow = new Edge2(EdgeP2, b);
EdgeP2 = a;
shapeAbove.Edges.Add(this);
shapeBelow.Edges.Add(newForBelow);
}
else
{
var newForAbove = new Edge2(EdgeP2, a);
EdgeP2 = b;
shapeAbove.Edges.Add(newForAbove);
shapeBelow.Edges.Add(this);
}
}
public void Split(Vector3 P0, Vector3 n, NewPointsGetter newPoints, Shape2 shapeAbove, Shape2 shapeBelow)
{
if (Point2.PointsBridgePlane(EdgeP1, EdgeP2))
{
Vector3 x;
Utils.LinePlaneIntersect(n, P0, EdgeP1.Point, EdgeP2.Point, out x);
SplitInHalf(x, newPoints, shapeAbove, shapeBelow);
}
else if (Point2.BothAbove(EdgeP1, EdgeP2))
{
shapeAbove.Edges.Add(this);
}
else if (Point2.BothBelow(EdgeP1, EdgeP2))
{
shapeBelow.Edges.Add(this);
}
else if (Point2.BothInside(EdgeP1, EdgeP2))
{
// do nothing - new edges for each shape will be created by the face split
}
else
{
SplitAtEnd(newPoints, shapeAbove, shapeBelow);
}
}
private void Awake()
{
Faces = new List <Face2>();
Points = new List <Point2>();
Edges = new List <Edge2>();
CachedPoints = new List <Vector3>();
CachedEdgePoints = new List <Vector3>();
m_MeshPool = GetComponentInParent <FaceMeshPool>();
m_NewPointsGetter = GetComponentInParent <NewPointsGetter>();
}
public void Split(NewPointsGetter newPoints, Shape2 shapeAbove, Shape2 shapeBelow)
{
m_InUse = false;
var abovePoints = new List <Point2>();
var belowPoints = new List <Point2>();
var newAboveEdge = new Edge2();
var newBelowEdge = new Edge2();
for (int i = 0; i < m_Points.Count; i++)
{
var next = (i + 1) % m_Points.Count;
var p1 = m_Points[i];
var p2 = m_Points[next];
if (p1.PlaneRelationship == PointPlaneRelationship.Above)
{
abovePoints.Add(p1);
}
else if (p1.PlaneRelationship == PointPlaneRelationship.Below)
{
belowPoints.Add(p1);
}
else
{
var a = newPoints.GetPointAbove(p1);
var b = newPoints.GetPointBelow(p1);
abovePoints.Add(a);
belowPoints.Add(b);
newAboveEdge.AddPoint(a);
newBelowEdge.AddPoint(b);
}
if (Point2.PointsBridgePlane(p1, p2))
{
var a = newPoints.GetPointAbove(p1, p2);
var b = newPoints.GetPointBelow(p1, p2);
abovePoints.Add(a);
belowPoints.Add(b);
newAboveEdge.AddPoint(a);
newBelowEdge.AddPoint(b);
}
}
ProcessNewFace(shapeAbove, abovePoints, newAboveEdge);
ProcessNewFace(shapeBelow, belowPoints, newBelowEdge);
}