public void SetTrace(GridNode target, int g, int h)
{
Target = target;
this.G = g;
H = h;
}
public void LoadNodes(GridNode[,] storedNodes)
{
nodes = storedNodes;
}
private Rectangle CenterOnNode(GridNode node, Rectangle centerer)
{
Vector2 position = GetPositionFromNode(node);
return new Rectangle((int)(position.X - centerer.Width / 2), (int)(position.Y - centerer.Height / 2), centerer.Width, centerer.Height);
}
public Vector2 GetPositionFromNode(GridNode currentNode)
{
return new Vector2(currentNode.LocationInGrid.X * nodeSpacing, currentNode.LocationInGrid.Y * nodeSpacing);
}
private void BuildGridFromSnapshot()
{
if ( pendingNodeSpacing != 0 && pendingWorldSpace != Rectangle.Empty && pendingObstacles != null)
{
nodeSpacing = pendingNodeSpacing;
//initialize array size
nodes = new GridNode[pendingWorldSpace.Width / nodeSpacing, pendingWorldSpace.Height / nodeSpacing];
currentObstacles = pendingObstacles;
////loop and weigh
for (int x = 0; x < nodes.GetLength(0); ++x)
{
for (int y = 0; y < nodes.GetLength(1); ++y)
{
GridNode currentNode = nodes[x, y] = new GridNode();
currentNode.LocationInGrid = new Point(x, y);
}
}
pendingObstacles = null;
pendingWorldSpace = Rectangle.Empty;
pendingNodeSpacing = 0;
}
}