private void FreeVegetationTile(VegetationTile tile)
{
if (tile != null)
{
tile.Dispose();
}
}
private void NewCameraPage(PageCoord newPage)
{
if (enabled && TerrainManager.Instance.CameraSet)
{
// free the old vegetation tiles
VegetationTile[,] newVegetationTiles = new VegetationTile[3, 3];
if (vegetationTiles != null)
{
foreach (VegetationTile tile in vegetationTiles)
{
PageCoord pc = tile.pc;
int x = pc.X - (newPage.X - 1);
int z = pc.Z - (newPage.Z - 1);
if ((x >= 0) && (x < 3) && (z >= 0) && (z < 3))
{
newVegetationTiles[x, z] = tile;
}
else
{
FreeVegetationTile(tile);
}
}
}
vegetationTiles = newVegetationTiles;
for (int x = 0; x < 3; x++)
{
for (int z = 0; z < 3; z++)
{
if (vegetationTiles[x, z] == null)
{
vegetationTiles[x, z] = new VegetationTile(parentSceneNode, vegetationBoundaries, x, z,
newPage, blockSize,
roadClearRadius, detailVegImageSet, rand);
}
}
}
cameraPage = newPage;
}
}