备份CatanBuilding瘦身独立工程

Assets/Scripts/HexGrid/Math/HexCoord.cs

@@ -0,0 +1,29 @@
+namespace HexGrid.Math
+{
+    
+    public struct HexCoord {
+        
+        public int q; // axial q(col)
+        public int r; // axial r(row)
+        public HexCoord(int q, int r) { this.q = q; this.r = r; }
+        public static readonly HexCoord[] neighbors = {
+            new HexCoord(+1, 0),
+            new HexCoord(+1, -1),
+            new HexCoord(0, -1),
+            new HexCoord(-1, 0),
+            new HexCoord(-1, +1),
+            new HexCoord(0, +1)
+        };
+        public HexCoord Neighbor(int i) => new HexCoord(q + neighbors[i].q, r + neighbors[i].r);
+
+        public override bool Equals(object obj) {
+            if (!(obj is HexCoord)) return false;
+            HexCoord o = (HexCoord)obj;
+            return q == o.q && r == o.r;
+        }
+        //??
+        public override int GetHashCode() => q * 73856093 ^ r * 19349663;
+        public override string ToString() => $"({q},{r})";
+    }
+
+}