# HG changeset patch
# User alys
# Date 2021-04-01 02:12:39
# Node ID ada0c9356941a095b5916556e311e24530ca53de
# Parent  e7d4484700c1dfb304ead79a65fbf564a5a26bc8

Add Edge drawing functions (from last night).

diff --git a/isometric-park-fna/FNAGame.cs b/isometric-park-fna/FNAGame.cs
--- a/isometric-park-fna/FNAGame.cs
+++ b/isometric-park-fna/FNAGame.cs
@@ -738,6 +738,10 @@
         Tile.OutlineSquare(batch, 3, 1, Color.Blue, 2);
         Tile.OutlineSquare(batch, 5, 1, Color.Green, 2);
         Tile.OutlineSquare(batch, 7, 1, Color.Orange, 2);
+        Tile.OutlineSquare(batch, 9, 1, Color.Orange, 3);
+        Tile.OutlineSquare2(batch, 12, 1, Color.Orange, 2);
+
+        Tile.drawEdge(batch, new Edge {Start=new Vector2(14, 1), End= new Vector2(15, 1)}, Color.Orange);
 #endif 
 
 
diff --git a/isometric-park-fna/Tile.cs b/isometric-park-fna/Tile.cs
--- a/isometric-park-fna/Tile.cs
+++ b/isometric-park-fna/Tile.cs
@@ -5,6 +5,12 @@
 
 namespace isometricparkfna
 {
+
+    public struct Edge {
+	public Vector2 Start;
+	public Vector2 End;
+
+    }
     public class Tile
     {
         //blatantly stolen from XNA resources.com
@@ -79,13 +85,79 @@
         }
 
 
+        static public void OutlineSquare2(SpriteBatch batch, float x, float y, Color color, int size)
+        {
+            Vector2 adjust2 = new Vector2(Tile.TileSpriteWidth / 2, Tile.TileSpriteHeight); //TODO figure out why this second value shouldn't be halved
+
+            //Upper right
+            //float x = this.mouseGrid.X;
+            //float y = this.mouseGrid.Y;
+	    //
+	    int size_less_one = size - 1;
+
+            Line.drawLine(batch,
+                    new Vector2(((x - y) * Tile.TileSpriteWidth / 2), (x + y) * Tile.TileSpriteHeight / 2) + adjust2,
+                                //new Vector2(this.squaresAcross * Tile.TileSpriteWidth, (y+1) * Tile.TileSpriteHeight),
+                                new Vector2(((x - y + size_less_one) * Tile.TileSpriteWidth / 2), (x + y + size_less_one) * Tile.TileSpriteHeight / 2) + adjust2,
+                    color, 0.79f);
+
+            //Bottom right
+            Line.drawLine(batch,
+                    new Vector2(((x + size - y) * Tile.TileSpriteWidth / 2), (x + size_less_one + y) * Tile.TileSpriteHeight / 2) + adjust2,
+                                //new Vector2(this.squaresAcross * Tile.TileSpriteWidth, (y+1) * Tile.TileSpriteHeight),
+                                new Vector2(((x + size - (y + size)) * Tile.TileSpriteWidth / 2), (x + size_less_one + (y + size_less_one)) * Tile.TileSpriteHeight / 2) + adjust2,
+                    color, 0.79f);
+            //Bottom left
+            Line.drawLine(batch,
+                    new Vector2(((x - (y + size)) * Tile.TileSpriteWidth / 2), (x + y + size) * Tile.TileSpriteHeight / 2) + adjust2,
+                                //new Vector2(this.squaresAcross * Tile.TileSpriteWidth, (y+1) * Tile.TileSpriteHeight),
+                                new Vector2(((x + size - (y + size)) * Tile.TileSpriteWidth / 2), (x + size + (y + size)) * Tile.TileSpriteHeight / 2) + adjust2,
+                    color, 0.79f);
+            //Upper left
+            Line.drawLine(batch,
+                    new Vector2(((x - y) * Tile.TileSpriteWidth / 2), (x + y) * Tile.TileSpriteHeight / 2) + adjust2,
+                                //new Vector2(this.squaresAcross * Tile.TileSpriteWidth, (y+1) * Tile.TileSpriteHeight),
+                                new Vector2(((x - (y + size)) * Tile.TileSpriteWidth / 2), (x + (y + size)) * Tile.TileSpriteHeight / 2) + adjust2,
+                    color, 0.79f);
+        }
+
+	public static void drawOutline(SpriteBatch batch, Color color) {
+		Vector2[] squares = {new Vector2(15, 1), new Vector2(15,2)};
+
+		foreach (Vector2 square in squares) {
+		}
+	}
+
+	public static void drawEdge(SpriteBatch batch, Edge edge, Color color) {
+
+	    //x = edge.Start.X
+	    //y = edge.Start.y
+	    //y + size = edge.End.y
+	    //x + size = edge.End.x
+
+            Vector2 adjust2 = new Vector2(Tile.TileSpriteWidth / 2, Tile.TileSpriteHeight); //TODO figure out why this second value shouldn't be halved
+
+            Line.drawLine(batch,
+                    new Vector2(((edge.Start.X - edge.Start.Y) * Tile.TileSpriteWidth / 2), (edge.Start.X + edge.Start.Y) * Tile.TileSpriteHeight / 2) + adjust2,
+                                //new Vector2(this.squaresAcross * Tile.TileSpriteWidth, (y+1) * Tile.TileSpriteHeight),
+                                new Vector2(((edge.End.X - edge.End.Y) * Tile.TileSpriteWidth / 2), (edge.End.X + edge.End.Y) * Tile.TileSpriteHeight / 2) + adjust2,
+                    color, 0.79f);
+	}
+
+	public static void drawEdges(SpriteBatch batch, Edge[] edges, Color color) {
+		foreach (Edge edge in edges) {
+			drawEdge(batch, edge, color);
+		}
+	}
+
+
 	public static void drawTileAt(SpriteBatch batch, int x, int y, int tileIndex, int height, float depth)
-    {
+	{
 
 		int height_adjust = 0;
 
 		if (height > 1) //not sure why this is necessary :/
-        {
+		{
 			height_adjust = height;
 		}