stopped branches between exits for roads

roads.go

@@ -13,6 +13,7 @@ import (
 type PointOfInterest struct {
 	X, Y        int
 	Connections int
+	IsExit      bool
 }
 
 type Road struct {
@@ -108,7 +109,8 @@ func generatePOIs(width, height int, settings *Settings, allWaterPixels []image.
 			}
 		}
 		if found {
-			pois = append(pois, &PointOfInterest{X: x, Y: y})
+			isExit := i < numExits
+			pois = append(pois, &PointOfInterest{X: x, Y: y, IsExit: isExit})
 		}
 	}
 
@@ -169,6 +171,11 @@ func connectPOIs(pois []*PointOfInterest, width, height int, settings *Settings,
 						continue
 					}
 
+					// Don't connect two exit points
+					if poi.IsExit && other.IsExit {
+						continue
+					}
+
 					if closest == nil || dist < minDist {
 						minDist = dist
 						closest = other