public bool CanMoveInDirection(PacManDirection direction)
{
bool result = true;
PacManDirection currentDirection = direction;
for (int r = 0; r < GameEngine.backLayer.Rows; r++)
{
for (int c = 0; c < GameEngine.backLayer.Columns; c++)
{
if (GameEngine.backLayer.TileObject[c, r] == null)
{
continue;
}
if (GameEngine.backLayer.TileObject[c, r].IsWall == true)
{
Sprite wall = GameEngine.backLayer.TileObject[c, r].Sprite;
switch (currentDirection)
{
case PacManDirection.Up:
result = !wall.IsCollidingWithRectangleBased(DetectU);
break;
case PacManDirection.Down:
result = !wall.IsCollidingWithRectangleBased(DetectD);
break;
case PacManDirection.Left:
result = !wall.IsCollidingWithRectangleBased(DetectL);
break;
case PacManDirection.Right:
result = !wall.IsCollidingWithRectangleBased(DetectR);
break;
}
if (result == false)
{
break;
}
} //if
} //for
if (result == false)
{
break;
}
}//for
return(result);
}
public bool Move()
{
bool result = false;
//if can move in next direction
if (CanMoveInDirection(pacManNextDirection) == true)
{
pacManDirection = pacManNextDirection; //set current direction
}
if (CanMoveInDirection(pacManDirection) == false)
{
return(false);
}
bool isEating = this.IsEating();
//set location and bitmap
int x = base.Location.X;
int y = base.Location.Y;
switch (pacManDirection)
{
case PacManDirection.Up:
y -= pacManSpeed;
if (isEating)
{
base.CurrentFrame = FrameEatU;
}
else
{
base.CurrentFrame = FrameU;
}
break;
case PacManDirection.Down:
y += pacManSpeed;
if (isEating)
{
base.CurrentFrame = FrameEatD;
}
else
{
base.CurrentFrame = FrameD;
}
break;
case PacManDirection.Left:
x -= pacManSpeed;
if (isEating)
{
base.CurrentFrame = FrameEatL;
}
else
{
base.CurrentFrame = FrameL;
}
break;
case PacManDirection.Right:
x += pacManSpeed;
if (isEating)
{
base.CurrentFrame = FrameEatR;
}
else
{
base.CurrentFrame = FrameR;
}
break;
case PacManDirection.None:
break;
}
base.Location = new Point(x, y);
SetProximityDetectionRectangles(); //set detection rectangles location
return(result);
}
