public void RemoveBorderBetweenCells(GraphVertex otherGraphVertex)
{
QuadCell otherCell = (QuadCell)otherGraphVertex;
foreach (QuadCell c in this.connectedCells.Values)
{
// We look for the adjacent cell to remove the border
if (c.Equals(otherCell))
{
// We look for the corner points which are common to the two cells
List <Vertex> commonVertices = new List <Vertex> ();
foreach (Vertex v1 in this.cornerPoints.Values)
{
foreach (Vertex v2 in otherCell.cornerPoints.Values)
{
if (v1.Equals(v2))
{
commonVertices.Add(v1);
}
}
}
// We disconnect all the border points which are common to the 2 cells so that the way is open
foreach (Vertex v1 in commonVertices)
{
foreach (Vertex v2 in commonVertices)
{
v1.RemoveNeighbour(v2);
}
}
}
}
}
private void CreateMapGrid()
{
ClearMapGrid();
//计算行数，列数
int rowCount = height / cellSize;
int colCount = width / cellSize;
//先绘制行
for (int i = 0; i < rowCount; i++)
{
for (int j = 0; j < colCount; j++)
{
QuadCell cell = Instantiate <QuadCell>(cellPrefab);
cell.transform.SetParent(transform, false);
Vector3 position = new Vector3();
position.x = cellSize / 2 + j * cellSize;
position.y = 0;
position.z = cellSize / 2 + i * cellSize;
cell.transform.localPosition = position;
cell.transform.localScale = new Vector3(cellSize, 0.001f, cellSize);
QuadCoordinates coordinate = new QuadCoordinates(j, i);
cell.coordinate = coordinate;
this.cells.Add(cell);
//添加标签
// Text label = Instantiate<Text>(cellLabelPrefab);
// label.transform.SetParent(gridCanvas.transform);
// label.transform.localPosition = new Vector3(position.x,position.z,1);
// label.text = coordinate.ToString();
}
}
}
// Connects 2 cells (connects the corner points each other and the cores)
public void ConnectToOtherGraphVertex(GraphVertex other)
{
QuadCell cell = (QuadCell)other;
if (cell.core.Coo.x < this.core.Coo.x - cellSize / 2)
{
// The cell is on the left, so we connect the appropriate corners
ReplaceCorner("up left", cell.cornerPoints["up right"]);
ReplaceCorner("down left", cell.cornerPoints ["down right"]);
this.connectedCells.Add("left", cell);
cell.connectedCells.Add("right", this);
}
else if (cell.core.Coo.x > this.core.Coo.x + cellSize / 2)
{
// The cell is on the right
ReplaceCorner("up right", cell.cornerPoints["up left"]);
ReplaceCorner("down right", cell.cornerPoints ["down left"]);
this.connectedCells.Add("right", cell);
cell.connectedCells.Add("left", this);
}
else if (cell.core.Coo.y < this.core.Coo.y - cellSize / 2)
{
// The cell is down
ReplaceCorner("down right", cell.cornerPoints["up right"]);
ReplaceCorner("down left", cell.cornerPoints ["up left"]);
this.connectedCells.Add("down", cell);
cell.connectedCells.Add("up", this);
}
else if (cell.core.Coo.y > this.core.Coo.y + cellSize / 2)
{
// The cell is up
ReplaceCorner("up left", cell.cornerPoints["down left"]);
ReplaceCorner("up right", cell.cornerPoints ["down right"]);
this.connectedCells.Add("up", cell);
cell.connectedCells.Add("down", this);
}
// Now we connect the cores
this.core.AddNeighbour(cell.core);
cell.core.AddNeighbour(this.core);
}