private void CreateStartVertex(Hex.HalfEdge edge)
{
Hex.HalfEdge prev;
if (Region.Contains(edge.prev.polygon) && !Region.Contains(edge.prev.joins))
{
prev = edge.prev;
}
else
{
prev = edge.enters;
}
Vector3 left = OffsetLineIntersection(prev.start.position, edge.start.position, edge.end.position, LineWidthExternal / 2.0f);
Vector3 right = OffsetLineIntersection(prev.start.position, edge.start.position, edge.end.position, -LineWidthInternal / 2.0f);
vertices.Add(left);
vertices.Add(right);
colors.Add(LineColor);
colors.Add(LineColor);
}
private void CreateEndVertex(Hex.HalfEdge edge)
{
Hex.HalfEdge next;
if (Region.Contains(edge.next.polygon) && !Region.Contains(edge.next.joins))
{
next = edge.next;
}
else
{
next = edge.continues;
}
Vector3 left = OffsetLineIntersection(edge.start.position, edge.end.position, next.end.position, LineWidthExternal / 2.0f);
Vector3 right = OffsetLineIntersection(edge.start.position, edge.end.position, next.end.position, -LineWidthInternal / 2.0f);
vertices.Add(left);
vertices.Add(right);
colors.Add(LineColor);
colors.Add(LineColor);
}
public void Apply()
{
vertices.Clear();
triangles.Clear();
colors.Clear();
var lookup = new Dictionary <Hex.Vertex, int>();
foreach (Hex.Polygon polygon in Chunk.Polygons)
{
for (int i = 0; i < 3; i++)
{
Hex.HalfEdge edge = polygon.GetBorder(i);
if (Region.Contains(edge.polygon) && Region.Contains(edge.joins))
{
int i1, i2;
if (!lookup.TryGetValue(edge.start, out i1))
{
i1 = vertices.Count;
CreateVertex(edge.start);
lookup[edge.start] = i1;
}
if (!lookup.TryGetValue(edge.end, out i2))
{
i2 = vertices.Count;
CreateVertex(edge.end);
lookup[edge.end] = i2;
}
CreateQuad(i1, i2, edge.side);
}
}
}
// Finalize mesh.
mesh.Clear();
mesh.vertices = vertices.ToArray();
mesh.triangles = triangles.ToArray();
mesh.colors = colors.ToArray();
mesh.RecalculateNormals();
}