public override bool Equals(System.Object obj)
{
if (obj == null || GetType() != obj.GetType())
{
return(false);
}
IndexedEdge p = (IndexedEdge)obj;
return((index1 == p.index1) && (index2 == p.index2) || (index1 == p.index2) && (index2 == p.index1));
}
public static void GetSpriteData(Sprite sprite, out Vector2[] vertices, out IndexedEdge[] edges, out int[] indices)
{
int width = 0;
int height = 0;
GetSpriteTextureSize(sprite, ref width, ref height);
Vector2[] uvs = sprite.uv;
vertices = new Vector2[uvs.Length];
for (int i = 0; i < uvs.Length; ++i)
{
vertices[i] = new Vector2(uvs[i].x * width, uvs[i].y * height);
}
ushort[] l_indices = sprite.triangles;
indices = new int[l_indices.Length];
for (int i = 0; i < l_indices.Length; ++i)
{
indices[i] = (int)l_indices[i];
}
HashSet <IndexedEdge> edgesSet = new HashSet <IndexedEdge>();
for (int i = 0; i < indices.Length; i += 3)
{
int index1 = indices[i];
int index2 = indices[i + 1];
int index3 = indices[i + 2];
IndexedEdge edge1 = new IndexedEdge(index1, index2);
IndexedEdge edge2 = new IndexedEdge(index2, index3);
IndexedEdge edge3 = new IndexedEdge(index1, index3);
if (edgesSet.Contains(edge1))
{
edgesSet.Remove(edge1);
}
else
{
edgesSet.Add(edge1);
}
if (edgesSet.Contains(edge2))
{
edgesSet.Remove(edge2);
}
else
{
edgesSet.Add(edge2);
}
if (edgesSet.Contains(edge3))
{
edgesSet.Remove(edge3);
}
else
{
edgesSet.Add(edge3);
}
}
edges = new IndexedEdge[edgesSet.Count];
int edgeIndex = 0;
foreach (IndexedEdge edge in edgesSet)
{
edges[edgeIndex] = edge;
++edgeIndex;
}
}