public void BuildNew()
{
this.canvas = new Cell[rowsAmount, colsAmount];
// build it
generator.CreateBorder(canvas, rowsAmount, colsAmount, cellWidth, cellHeight);
generator.CreateObstacles(canvas, rowsAmount, colsAmount, cellWidth, cellHeight);
this.SetStart(generator.SetStart(rowsAmount - 1, colsAmount - 1));
this.SetEnd(generator.SetEnd(rowsAmount - 1, colsAmount - 1));
// sign up for the event
foreach (Cell cell in canvas)
{
cell.TypeChanged += (obj, args) => OnCellColorChanged(args);
}
}