Polished wall generation, though work is needed good enough for main now

main.go

@@ -704,7 +704,7 @@ func main() {
 		settings.MaxWallWidth = val
 	}))
 
-	numWallsSlider := newNumericInputSlider(1, 5, float64(settings.NumWalls), "%.0f", "Number of Walls")
+	numWallsSlider := newNumericInputSlider(0, 5, float64(settings.NumWalls), "%.0f", "Number of Walls")
 	numWallsSlider.entry.OnChanged = func(s string) {
 		numWallsSlider.validate(s, func(hasError bool) {
 			errorStates["numWalls"] = hasError
@@ -775,6 +775,18 @@ func main() {
 		settings.TurretSpacing = val
 	}))
 
+	gateSpacingSlider := newNumericInputSlider(0, 100, settings.GateSpacing, "%.0f%%", "Gate Spacing")
+	gateSpacingSlider.entry.OnChanged = func(s string) {
+		gateSpacingSlider.validate(s, func(hasError bool) {
+			errorStates["gateSpacing"] = hasError
+			updateGenerateBtnState()
+		})
+	}
+	gateSpacingSlider.value.AddListener(binding.NewDataListener(func() {
+		val, _ := gateSpacingSlider.value.Get()
+		settings.GateSpacing = val
+	}))
+
 	turretControls := container.NewVBox(
 		turretSizeSlider,
 		turretShapeLabel,
@@ -1205,6 +1217,7 @@ func main() {
 		numWallsSlider,
 		cityCoverageSlider,
 		wallCurvynessSlider,
+		gateSpacingSlider,
 		showTurretsCheck,
 		turretControls,
 	))