feat(Map.java): ajout followPath fonction

src/Map.java

@@ -39,6 +39,63 @@ public class Map
 		return new Point[] {start, end};	
 	}
 
+	private boolean followPath(Point start, Point end)
+	{
+		// remettre à 0 la liste
+		pathMap.clear();
+
+		// positions
+		Point current	= start;
+		Point previous	= null;
+
+		int[][] coord = {
+			{1,  0},	// haut
+			{-1, 0},	// bas
+			{0, -1},	// gauche
+			{0,  1}		// droite
+		};
+		
+		// sécurité pour éviter les boucles infinie
+		int step	= 0;
+		int max		= map.length * map[0].length;
+		for (; step < max; step++)
+		{
+			pathMap.add(current);
+			
+			if (current.equals(end))
+				return true;
+
+			boolean moved = false;
+
+			for (int[] pos : coord)
+			{
+				int x	= current.x + pos[0];
+				int y	= current.y + pos[1];
+
+				if ((x >= 0 || map[0].length > x) || (y >= 0 || map.length > y))
+				{
+					Point next = new Point(x, y);
+					
+					if (next.equals(previous))
+						continue;
+
+					CircuitCell type = map[y][x].getType();
+					if (type == CircuitCell.FINISH || type == CircuitCell.ROAD 
+						|| type == CircuitCell.YROAD)
+					{
+						previous = current;
+						current = next;
+						moved = true;
+						break;
+					}
+				}
+			}
+			// Si il est bloqué
+			if (!moved) break;
+		}
+
+		return false;
+	}
 
 	public Circuit getElement(int x, int y)
 	{