Currently if helper lines is not enabled and activate a deactivated terrain then there is an exception.
Caused by: java.lang.IllegalArgumentException: Step must be positive, was: -1.
at kotlin.ranges.RangesKt__RangesKt.checkStepIsPositive(Ranges.kt:274)
at kotlin.ranges.RangesKt___RangesKt.step(_Ranges.kt:966)
at com.mbrlabs.mundus.editor.core.helperlines.HexagonHelperLineShape.calculate(HexagonHelperLineShape.kt:137)
at com.mbrlabs.mundus.editor.core.helperlines.HexagonHelperLineShape.calculateIndicesNum(HexagonHelperLineShape.kt:44)
at com.mbrlabs.mundus.editor.core.helperlines.HelperLineShape.<init>(HelperLineShape.kt:66)
at com.mbrlabs.mundus.editor.core.helperlines.HexagonHelperLineShape.<init>(HexagonHelperLineShape.kt:27)
at com.mbrlabs.mundus.editor.core.helperlines.HelperLines.addNewHelperLineShape(HelperLines.kt:115)
at com.mbrlabs.mundus.editor.core.helperlines.HelperLines.onGameObjectModified(HelperLines.kt:94)
... 19 more
Currently if helper lines is not enabled and activate a deactivated terrain then there is an exception.