private void SetupGrid(Vector3 areaStart, Vector3 areaSize, Vector3 scale)
{
int cols = (int)(areaSize.x / gridSize);
int rows = (int)(areaSize.z / gridSize);
// Sets up the container for the grid lines
GameObject gridLineContainer = new GameObject("GridLineContainer");
Transform gridLineContainerTransform = gridLineContainer.GetComponent <Transform>();
SetupContainerTransform(gridLineContainerTransform);
// Sets up the container for the grid squares
GameObject gridSquareContainer = new GameObject("GridSquareContainer");
Transform gridSquareContainerTransform = gridSquareContainer.GetComponent <Transform>();
SetupContainerTransform(gridSquareContainerTransform);
gridSquareContainer.tag = "GridHandler";
// Spawn the vertical lines.
for (int i = 0; i <= cols; i++)
{
// Prepare the positions for the vertices in the line.
float linePosX = areaStart.x + i * gridSize;
Vector3[] positions = { new Vector3(linePosX, areaStart.y, areaStart.z),
new Vector3(linePosX, areaStart.y, areaStart.z + areaSize.z) };
SpawnGridLine(positions, scale.x, gridLineContainerTransform);
}
// Spawn the horizontal lines.
for (int i = 0; i <= rows; i++)
{
float linePosZ = areaStart.z + i * gridSize;
Vector3[] positions = { new Vector3(areaStart.x, areaStart.y, linePosZ),
new Vector3(areaStart.x + areaSize.x, areaStart.y, linePosZ) };
SpawnGridLine(positions, scale.y, gridLineContainerTransform);
}
// Offsets the areaStart to make sure the grid squares are spawned in the correct positions.
areaStart.x += 0.5f * gridSize;
areaStart.y -= 0.0025f;
areaStart.z += 0.5f * gridSize;
// Adds a GridHandler to the EnvironmentSetup.
gridSquareContainer.AddComponent <GridHandler>();
GridHandler gridSquareContainerGridHandler = gridSquareContainer.GetComponent <GridHandler>();
gridSquareContainerGridHandler.init(rows, cols, gridSize, scale);
// Used for debugging purposes.
int added = 0;
int notAdded = 0;
// Create the grid slots.
for (int x = 0; x < cols; x++)
{
// Calculate x-coordinate.
float xCoord = areaStart.x + x * gridSize;
for (int z = 0; z < rows; z++)
{
// Calculates the z-coordinate.
float zCoord = areaStart.z + z * gridSize;
// Position vector of the GridSquare.
Vector3 pos = new Vector3(xCoord, areaStart.y, zCoord);
// Spawn the GridSquare and move it to its position.
GameObject gs = Instantiate(gridSquare, gridSquareContainerTransform);
gs.GetComponent <Transform>().localPosition = pos;
// Enable snap to grid if wanted.
if (enableSnapToGrid)
{
gs.GetComponent <SnapToGrid>().enabled = true;
}
// Checks how many of the GridSquares were spawned in proper positions.
if (gridSquareContainerGridHandler.AddToMap(gs))
{
added++;
}
else
{
notAdded++;
Destroy(gs);
}
}
}
Debug.Log("Added " + added + " grid squares and failed to add " + notAdded + " grid squares.");
}