void OnGUI()
{
// Do autoresizing of GUI layer
GUIResizer.AutoResize();
GUI.Label(new Rect(10, 10, 300, 30), "Click 3 or more matching cells to remove them!", labelStyle);
}
// Use this for initialization
void Start()
{
tgs = TerrainGridSystem.instance;
// setup GUI resizer - only for the demo
GUIResizer.Init(800, 500);
labelStyle = new GUIStyle();
labelStyle.alignment = TextAnchor.MiddleLeft;
labelStyle.normal.textColor = Color.white;
isSelectingStart = true;
Random.InitState(2);
// Draw some blocked areas
for (int i = 0; i < 25; i++)
{
int row = Random.Range(2, tgs.rowCount - 3);
int col = Random.Range(2, tgs.columnCount - 3);
for (int j = -2; j <= 2; j++)
{
for (int k = -2; k <= 2; k++)
{
int cellIndex = tgs.CellGetIndex(row + j, col + k);
tgs.CellSetGroup(cellIndex, CELL_OBSTACLE);
tgs.CellToggleRegionSurface(cellIndex, true, Color.white);
}
}
}
// Example: sets crossing costs for hexagon sides and draw a line
int barrierCost = 10000;
Color barrierColor = Color.blue;
float barrierWidth = 5f;
for (int k = 0; k < 10; k++)
{
int cellIndex = tgs.CellGetIndex(10, k + 20);
if (!tgs.cells [cellIndex].canCross)
{
continue;
}
if (tgs.cells [cellIndex].column % 2 == 0)
{
// Assign a crossing cost to barrier for path-finding purposes
tgs.CellSetSideCrossCost(cellIndex, CELL_SIDE.Top, barrierCost);
tgs.CellSetSideCrossCost(cellIndex, CELL_SIDE.TopLeft, barrierCost);
tgs.CellSetSideCrossCost(cellIndex, CELL_SIDE.TopRight, barrierCost);
// Make the barrier block LOS (Line-Of-Sight)
tgs.CellSetSideBlocksLOS(cellIndex, CELL_SIDE.Top, true);
tgs.CellSetSideBlocksLOS(cellIndex, CELL_SIDE.TopLeft, true);
tgs.CellSetSideBlocksLOS(cellIndex, CELL_SIDE.TopRight, true);
// Draw the barrier
tgs.DrawLine(cellIndex, CELL_SIDE.Top, barrierColor, barrierWidth);
tgs.DrawLine(cellIndex, CELL_SIDE.TopLeft, barrierColor, barrierWidth);
tgs.DrawLine(cellIndex, CELL_SIDE.TopRight, barrierColor, barrierWidth);
}
else
{
// Assign a crossing cost to barrier for path-finding purposes
tgs.CellSetSideCrossCost(cellIndex, CELL_SIDE.Top, barrierCost);
// Make the barrier block LOS (Line-Of-Sight)
tgs.CellSetSideBlocksLOS(cellIndex, CELL_SIDE.Top, true);
// Draw the barrier
tgs.DrawLine(cellIndex, CELL_SIDE.Top, barrierColor, barrierWidth);
}
}
// Hook into cell click event to toggle start selection or draw a computed path using A* path finding algorithm
tgs.OnCellClick += (cellIndex, buttonIndex) => BuildPath(cellIndex);
tgs.OnCellEnter += (cellIndex) => ShowLineOfSight(cellIndex);
}