debugged delaunay, problem was in referencing slice of connectors instead of copying

engine/gamemap/room.go

@@ -7,6 +7,7 @@ import (
 	"lab.zaar.be/thefish/alchemyst-go/engine/mob"
 	"lab.zaar.be/thefish/alchemyst-go/engine/types"
 	"lab.zaar.be/thefish/alchemyst-go/util"
+	"strings"
 )
 
 var invalidBlit = errors.New("trying to blit on existing good tile")
@@ -59,17 +60,24 @@ func (room *Room) BlitToLevel(l *Level) error {
 }
 
 func (room *Room) MoveToCoords(where types.Coords) *Room {
+	fmt.Printf("\n MOVING room :", room.String())
+	fmt.Printf("\nmovin room to %v", where)
 	//update room coords?
 	room.X = where.X
 	room.Y = where.Y
 	//update centers!
-	room.Center.X += where.X
-	room.Center.Y += where.Y
+	room.Center.X = room.Center.X + where.X
+	room.Center.Y = room.Center.Y + where.Y
 	//update connector?
-	for i, _ := range room.Connectors {
-		room.Connectors[i].X += where.X
-		room.Connectors[i].Y += where.Y
+	for i, coords := range room.Connectors {
+		fmt.Printf("\nupdating coords ", coords)
+		coords.X = coords.X + where.X
+		coords.Y = coords.Y + where.Y
+		fmt.Printf("\nupdated coords ", coords)
+		room.Connectors[i] = coords
 	}
+
+	fmt.Printf("\nROOM MOVED to %v \n\n", room)
 	return room
 }
 
@@ -90,8 +98,17 @@ func NewRandomRectRoom(rng *util.RNG, w, h int, fillage types.RectFill) Room {
 		newRoom.Connectors,
 		types.Coords{rng.Range(1, w - 2), 0},
 		types.Coords{rng.Range(1, w - 2), h -1},
-		types.Coords{0,  rng.Range(1, h - 2)},
-		types.Coords{w - 1,  rng.Range(1, h - 2)},
+		types.Coords{0,  rng.Range(1, h - 1)},
+		types.Coords{w - 1,  rng.Range(1, h - 1)},
 	)
 	return newRoom
 }
+
+func (r *Room) String() string {
+	return strings.Join([]string{
+		"room: ",
+		"\t" + fmt.Sprintf(" rect: X: %d, Y: %d, maxX: %d, maxY: %d", r.Rect.X, r.Rect.Y, r.Rect.W + r.X - 1, r.Rect.H + r.Y - 1),
+		"\t" + fmt.Sprintf(" center:", r.Center.X, r.Center.Y),
+		"\t" + fmt.Sprintf(" Connectors: %v", r.Connectors),
+	},"\n") + "\n"
+}