public static void DrawArea (VoxelTerrain land, GeovoxData.Area area) //drawing area in OnSceneGui
{
#if UNITY_EDITOR
float density = 64;
for (int x=0; x<density+1; x++)
for (int z=0; z<density+1; z++)
{
float xCoord = area.offsetX + x*area.size/density;
float zCoord = area.offsetZ + z*area.size/density;
Vector3 start = new Vector3(xCoord, land.data.GetTopPoint((int)xCoord, (int)zCoord), zCoord);
Vector3 xPoint = new Vector3(xCoord+area.size/density, land.data.GetTopPoint((int)(xCoord+area.size/density), (int)zCoord), zCoord);
Vector3 zPoint = new Vector3(xCoord, land.data.GetTopPoint((int)xCoord, (int)(zCoord+area.size/density)), zCoord+area.size/density);
start = land.transform.TransformPoint(start);
xPoint = land.transform.TransformPoint(xPoint);
zPoint = land.transform.TransformPoint(zPoint);
if (x!=density) UnityEditor.Handles.DrawLine(start, xPoint);
if (z!=density) UnityEditor.Handles.DrawLine(start, zPoint);
}
#endif
}
public void PerformUndo (GeovoxData data)
{
int minX = x-range; int minZ = z-range;
int maxX = x+range; int maxZ = z+range;
for (int xi = 0; xi<=maxX-minX; xi++)
for (int zi = 0; zi<=maxZ-minZ; zi++)
{
//working directly with columns
Area area = data.areas[ data.GetAreaNum( xi+minX, zi+minZ ) ];
int columnNum = (z+minZ-area.offsetZ)*area.size + x+minX - area.offsetX;
area.columns[columnNum] = new Column( columns[xi*(range*2+1) + zi] ); //copy from columns[]
//data.GetArea(xi+minX, zi+minZ).SetColumn(xi+minX, zi+minZ, new Column(columns[xi*(range*2+1) + zi]) );
}
}