public FloodFillDrawer(PolygonsContainer data, MethodInvoker ImageRefresher = null)
{
this.ImageRefresher = ImageRefresher;
this.data = data;
InitializeFloodFillStrategies();
floodFillerStrategy = strategiesList[0];
}
public void Init(Vector2[][] obstacles)
{
stopwatch = new Stopwatch();
stopwatch.Start();
map = MapBuilder.Build(obstacles);
stopwatch.Stop();
Console.WriteLine("total init time is " + stopwatch.Elapsed.TotalMilliseconds);
pathFinder = new Finder(map);
}
private void TraceContainer(PolygonsContainer container)
{
var currentContainer = container;
var segment = new Segment(currentPoint, goal);
if (currentContainer.IsEmpty())
{
return;
}
if (!currentContainer.LayInSegmentBounds(segment))
{
return;
}
do
{
if (currentContainer.HasChildren)
{
if (currentContainer.Contains(currentPoint))
{
var child = currentContainer.GetChildContainedPoint(currentPoint);
if (child != null && !excludedPolygons.Contains(child.GetId()))
{
currentContainer = child;
continue;
}
}
var intersection = FindNearestPolygonIntersection(currentContainer.ChildContainers);
if (intersection == null)
{
excludedPolygons.Add(currentContainer.GetId());
currentContainer = currentContainer.Parent;
if (currentContainer == null)
{
break;
}
continue;
}
currentContainer = intersection.Polygon as PolygonsContainer;
}
else if (currentContainer.HasPolygons())
{
excludedPolygons.Add(currentContainer.GetId());
TracePolygons(currentContainer.Polygons);
if (currentContainer.HasParent)
{
currentContainer = currentContainer.Parent;
}
else
{
return;
}
}
} while (true);
}
public MainForm()
{
InitializeComponent();
var drawArea = AppUtils.InitializeDrawArea(CONSTS.areaMaxWidth, CONSTS.areaMaxHeight, drawAreaBox);
polygonsContainer = new PolygonsContainer(drawArea, drawAreaBox);
polygonsContainer.AddMockedPolygon();
}
public void TryDrawLink(System.Drawing.Point currentPoint, System.Drawing.Graphics graphics, PolygonsContainer data)
{
NullablePoint linkPoint = isNearVertex(currentPoint, data.GetAllPoints());
if (linkPoint != null)
{
graphics.DrawRectangle(new System.Drawing.Pen(POINT_LINK_COLOR, POINT_LINK_LINE_WIDTH),
linkPoint.X - POINT_LINK_RECT_WIDTH / 2,
linkPoint.Y - POINT_LINK_RECT_WIDTH / 2,
POINT_LINK_RECT_WIDTH, POINT_LINK_RECT_WIDTH);
}
}
public static PolygonsContainer Build(Vector2[][] obstacles)
{
Vector2 bottomLeft = new Vector2(float.MaxValue, float.MaxValue);
Vector2 topRight = new Vector2(float.MinValue, float.MinValue);
Polygon[] polygons = new Polygon[obstacles.Length];
for (var i = 0; i < obstacles.Length; i++)
{
var obstacle = obstacles[i];
var polygon = new Polygon(obstacle);
if (polygon.MinX < bottomLeft.x)
{
bottomLeft.x = polygon.MinX;
}
if (polygon.MinY < bottomLeft.y)
{
bottomLeft.y = polygon.MinY;
}
if (polygon.MaxX > topRight.x)
{
topRight.x = polygon.MaxX;
}
if (polygon.MaxY > topRight.y)
{
topRight.y = polygon.MaxY;
}
polygons[i] = polygon;
}
var result = new PolygonsContainer(bottomLeft, topRight, null);
result.InitializeChildren(polygons);
return(result);
}
public NullablePoint GetLinkPoint(System.Drawing.Point currentPoint, System.Drawing.Graphics graphics, PolygonsContainer data)
{
return isNearVertex(currentPoint, data.GetAllPoints());
}
public Finder(PolygonsContainer map)
{
this.map = map;
}
