Add usedLastFrame flag.
Reset usedLastFrameFlag down tree.
Send MPTerrainEngineNode pointer to TileNode.
In process of implementing MarkBoundingTiles.
All tile change registration code complete.
Tile joining working. Still have delay before healing tiles.
Remove reliance on XInterval & YInterval for calcualting position.
Remove reliance on XInterval & YInterval for calcualting position.
Fixed spike at corners.
Fixed spike at corners.
Partially converted to adjusting to vertex data instead of height data.
Partially converted to adjusting to vertex data instead of height data.
Converted to interpolate using vertexes.
Tile joining working. Some minor imperfections, possibly at corners.
Convert to store and use indexes into vertex array. Fix start cell location.
FIX: vertex spikes.