} // end method GenerateBackgroundBlockGrid
#endregion
#region Movement Processing Methods
/// <summary>
/// This method moves the shape falling down on the screen left, right, or down,
/// after checking to see if the move is possible.
/// </summary>
/// <param name="directionToMove">The direction to move</param>
public void MoveCurrentShape(Direction directionToMove)
{
if (currentShape != null)
{
// copy the shape to test it.
//Shape currentShapeCopy = currentShape.CopyShape();
Shape currentShapeCopy = currentShape.CopyShape();
// move the copied shape.
switch (directionToMove)
{
case Direction.Right:
currentShapeCopy.Move(directionToMove, ShortestDistanceFromRight(currentShapeCopy));
break;
case Direction.Left:
currentShapeCopy.Move(directionToMove, ShortestDistanceFromLeft(currentShapeCopy));
break;
case Direction.Down:
currentShapeCopy.Move(directionToMove, ShortestDistanceFromBottom(currentShapeCopy));
break;
}
/*If the copied, moved shape is not past the boundary/overlapping a
* pile block, move the actual shape.*/
if (!WouldOverlapGridBlock(currentShapeCopy) &&
!WouldPassLeftOrRightBorder(currentShapeCopy))
{
currentShape = currentShapeCopy;
}
}
} // end method MoveCurrentShape
} // end method DrawNextShape
/// <summary>
/// This method draws the shape being held on the form.
/// </summary>
/// <param name="g">The graphics object to draw onto.</param>
private void DrawHeldShape(Graphics g)
{
Point startPoint = new Point(
Boundaries.Right + BlocksOver(2), Boundaries.Top + BlocksOver(6));
string nextShapeString = "Held Shape:";
Font nextShapeFont = new Font("Arial", 12, FontStyle.Bold);
g.DrawString(nextShapeString, nextShapeFont, Brushes.Black, startPoint);
startPoint.Y += 20;
Size displaySize = new Size(BlocksOver(6), BlocksOver(4));
Rectangle background = new Rectangle(startPoint, displaySize);
g.FillRectangle(Brushes.Black, background);
if (heldShape != null)
{
Point shapeDisplayPoint = GetShapeDisplayPoint(heldShape, background);
Shape displayShape = heldShape.CopyShape(shapeDisplayPoint);
displayShape.Draw(g);
}
} // end method DrawHeldShape