isChildAvailable
abstract fun isChildAvailable(thisX: Double, thisY: Double, childX: Double, childY: Double): Boolean(source)
Determines if a given child tile is available, based on the TerrainData.childTileMask. The given child tile coordinates are assumed to be one of the four children of this tile. If non-child tile coordinates are given, the availability of the southeast child tile is returned.
Return
True if the child tile is available; otherwise, false.
Parameters
thisX
The tile X coordinate of this (the parent) tile.
thisY
The tile Y coordinate of this (the parent) tile.
childX
The tile X coordinate of the child tile to check for availability.
childY
The tile Y coordinate of the child tile to check for availability.