X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fcarfire;a=blobdiff_plain;f=CarFire%2FCarFire%2FCarFire%2FMovementManager.cs;h=7d818681993a47e22b09e4566046992e9072bdd3;hp=e7002035b6509caec0f80f5e5cf980c21190f8d5;hb=122c062297acac44673e947b666c1d72cd23fb1b;hpb=851a2f1efb5e981fad8f517170809b61d630e8b7
diff --git a/CarFire/CarFire/CarFire/MovementManager.cs b/CarFire/CarFire/CarFire/MovementManager.cs
index e700203..7d81868 100644
--- a/CarFire/CarFire/CarFire/MovementManager.cs
+++ b/CarFire/CarFire/CarFire/MovementManager.cs
@@ -103,6 +103,24 @@ namespace CarFire
Update(timeSpan, false, false, false, false);
}
+ ///
+ /// Update the movement manager with the timeslice and a direction.
+ ///
+ /// The timeslice.
+ /// Direction you want to move.
+ public void Update(TimeSpan timeSpan, Direction direction)
+ {
+ if (direction == Direction.Left) Update(timeSpan, true, false, false, false);
+ else if (direction == Direction.UpperLeft) Update(timeSpan, true, false, true, false);
+ else if (direction == Direction.Up) Update(timeSpan, false, false, true, false);
+ else if (direction == Direction.UpperRight) Update(timeSpan, false, true, true, false);
+ else if (direction == Direction.Right) Update(timeSpan, false, true, false, false);
+ else if (direction == Direction.LowerRight) Update(timeSpan, false, true, false, true);
+ else if (direction == Direction.Down) Update(timeSpan, false, false, false, true);
+ else if (direction == Direction.LowerLeft) Update(timeSpan, true, false, false, true);
+ else Update(timeSpan);
+ }
+
///
/// Update the movement manager with the timeslice and the directions
/// the object is supposed to go. The directions will be ignored if the
@@ -177,7 +195,7 @@ namespace CarFire
///
- /// Helper method to get neighbor cells from a point and directions.
+ /// Helper method to get a neighbor cell from a point and directions.
///
/// The point.
/// To the left.
@@ -185,7 +203,7 @@ namespace CarFire
/// Above.
/// Below.
/// The neighbor cell coordinates.
- public static Point GetNeighborCell(Point point, bool left, bool right, bool up, bool down)
+ public static Point GetNeighbor(Point point, bool left, bool right, bool up, bool down)
{
if (left) point.X--;
if (right) point.X++;
@@ -194,6 +212,43 @@ namespace CarFire
return point;
}
+ ///
+ /// Helper method to get a neighbor cell from a point and a direction.
+ ///
+ /// The point.
+ /// The direction.
+ /// The neighbor cell coordinates.
+ public static Point GetNeighbor(Point point, Direction direction)
+ {
+ switch (direction)
+ {
+ case Direction.Left: return new Point(point.X - 1, point.Y);
+ case Direction.UpperLeft: return new Point(point.X - 1, point.Y - 1);
+ case Direction.Up: return new Point(point.X, point.Y - 1);
+ case Direction.UpperRight: return new Point(point.X + 1, point.Y - 1);
+ case Direction.Right: return new Point(point.X + 1, point.Y);
+ case Direction.LowerRight: return new Point(point.X + 1, point.Y + 1);
+ case Direction.Down: return new Point(point.X, point.Y + 1);
+ case Direction.LowerLeft: return new Point(point.X - 1, point.Y + 1);
+ }
+ return point;
+ }
+
+ ///
+ /// Helper method to get the two neighbor cells of two nearby cells.
+ ///
+ /// A point.
+ /// Another point.
+ /// An array of two points representing the neighbor cells.
+ public static Point[] GetNeighbors(Point a, Point b)
+ {
+ Point[] neighbors = new Point[2];
+ neighbors[0] = new Point(a.X, b.Y);
+ neighbors[1] = new Point(b.X, a.Y);
+ return neighbors;
+ }
+
+
///
/// Helper method to get a Direction type from directions.
///
@@ -221,6 +276,34 @@ namespace CarFire
else return Direction.None;
}
+ ///
+ /// Helper method to get the general Direction type if you want to move
+ /// from one cell to another.
+ /// Starting point.
+ /// Destination point.
+ /// The direction toward the cell.
+ public static Direction GetDirection(Point a, Point b)
+ {
+ int dx = b.X - a.X;
+ int dy = b.Y - a.Y;
+
+ if (dx < 0)
+ {
+ if (dy < 0) return Direction.UpperLeft;
+ else if (dy > 0) return Direction.LowerLeft;
+ else return Direction.Left;
+ }
+ else if (dx > 0)
+ {
+ if (dy < 0) return Direction.UpperRight;
+ else if (dy > 0) return Direction.LowerRight;
+ else return Direction.Right;
+ }
+ else if (dy < 0) return Direction.Up;
+ else if (dy > 0) return Direction.Down;
+ else return Direction.None;
+ }
+
#endregion
@@ -236,7 +319,7 @@ namespace CarFire
void UpdateCoordinates(bool moveLeft, bool moveRight, bool moveUp, bool moveDown)
{
mLastCoordinates = mCoordinates;
- mCoordinates = GetNeighborCell(mCoordinates, moveLeft, moveRight, moveUp, moveDown);
+ mCoordinates = GetNeighbor(mCoordinates, moveLeft, moveRight, moveUp, moveDown);
if ((moveLeft && moveUp) || (moveUp && moveRight) || (moveRight && moveDown) || (moveDown && moveLeft))
{