void InitBrushes()
{
heightBrush = new HeightBrush();
grassBrush = new GrassBrush();
noneBrush = new NoneBrush();
currentBrushStrategy = heightBrush;
}
public void SetGrassBrush()
{
currentBrushStrategy = grassBrush;
}
private void SetNoneBrush()
{
this.currentBrushStrategy = noneBrush;
}
public void SetHeightBrush()
{
currentBrushStrategy = heightBrush;
}
