private bool SegmentIntersectsEdge(Vector2 p1, Vector2 p2, int ignoreIndex, ref Vector2 point, out int intersectingEdgeIndex)
{
intersectingEdgeIndex = -1;
float sqrDistance = float.MaxValue;
for (int i = 0; i < m_SpriteMeshData.edges.Count; i++)
{
Edge edge = m_SpriteMeshData.edges[i];
Vector2 v1 = m_SpriteMeshData.GetPosition(edge.index1);
Vector2 v2 = m_SpriteMeshData.GetPosition(edge.index2);
Vector2 pointTmp = Vector2.zero;
if (!edge.Contains(ignoreIndex) && MathUtility.SegmentIntersection(p1, p2, v1, v2, ref pointTmp))
{
float sqrMagnitude = (pointTmp - p1).sqrMagnitude;
if (sqrMagnitude < sqrDistance)
{
sqrDistance = sqrMagnitude;
intersectingEdgeIndex = i;
point = pointTmp;
}
}
}
return(intersectingEdgeIndex != -1);
}
public bool FindEdgesContainsIndex(int index, out List <Edge> result)
{
Debug.Assert(spriteMeshData != null);
bool found = false;
result = new List <Edge>();
for (int i = 0; i < spriteMeshData.edges.Count; ++i)
{
Edge edge = spriteMeshData.edges[i];
if (edge.Contains(index))
{
found = true;
result.Add(edge);
}
}
return(found);
}