void Update()
{
bool leftButton = Input.GetMouseButton(0);
bool rightButton = Input.GetMouseButton(1);
// Switch between grids when space key is pressed
if (Input.GetKeyDown(KeyCode.Space))
{
largeSystemActive = !largeSystemActive;
}
// Respond to mouse event?
if (leftButton || rightButton)
{
// Find mouse position in 3D space
Ray mouseRay = Camera.main.ScreenPointToRay(Input.mousePosition);
TileIndex index = _currentSystem.ClosestTileIndexFromRay(mouseRay);
if (leftButton && _lastPainted != index)
{
// Ignore if this tile was painted last!
_lastPainted = index;
// Paint with left mouse button
_brush.Paint(_currentSystem, index.row, index.column);
_currentSystem.RefreshSurroundingTiles(index.row, index.column);
}
else if (rightButton)
{
// Ignore last painted state
_lastPainted = new TileIndex(-1, -1);
// Erase with right mouse button
_currentSystem.EraseTile(index.row, index.column);
_currentSystem.RefreshSurroundingTiles(index.row, index.column);
}
}
}
public TileIndex ScreenPosToTileIndex(Vector3 pos)
{
var ray = Camera.main.ScreenPointToRay(pos);
return(Floor.ClosestTileIndexFromRay(ray));
}
