//find list of objects near/adjacent to current object
public List <GridObjectInterface> checkNeighbouringBlocks(GridObjectInterface obj)
{
List <GridObjectInterface> neighbours = new List <GridObjectInterface>();
Vector3 gridBlock;
int gridX, gridY, gridZ;
//loop though adjacent blocks containing objects to test for potential collisions
for (int i = 0; i < obj.getCapacity(); i++)
{
gridBlock = obj.getLocation(i);
gridX = (int)(gridBlock.X);
gridY = (int)(gridBlock.Y);
gridZ = (int)(gridBlock.Z);
//check all 8 blocks surrounding object (as well as block object is in) for nearby objects
for (int x = -1; x < 2; x++)
{
for (int y = -1; y < 2; y++)
{
for (int z = -1; z < 2; z++)
{
checkForDuplicates(neighbours, obj, gridX + x, gridY + y, gridZ + z);
}
}
}
}
return(neighbours);
}
//clear pointers to grid and remove object from grid
public void deregisterObject(GridObjectInterface obj)
{
for (int i = 0; i < obj.getCapacity(); i++)
{
Vector3 gridBlock = obj.getLocation(i);
grid[(int)Math.Round(gridBlock.X), (int)Math.Round(gridBlock.Y), (int)Math.Round(gridBlock.Z)].Remove(obj);
}
obj.removeAllLocations();
}
//find list of objects near/adjacent to current object
public List<GridObjectInterface> checkNeighbouringBlocks(GridObjectInterface obj)
{
List<GridObjectInterface> neighbours = new List<GridObjectInterface>();
Vector3 gridBlock;
int gridX, gridY, gridZ;
//loop though adjacent blocks containing objects to test for potential collisions
for (int i = 0; i < obj.getCapacity(); i++)
{
gridBlock = obj.getLocation(i);
gridX = (int)(gridBlock.X);
gridY = (int)(gridBlock.Y);
gridZ = (int)(gridBlock.Z);
//check all 8 blocks surrounding object (as well as block object is in) for nearby objects
for (int x = -1; x < 2; x++)
for (int y = -1; y < 2; y++)
for (int z = -1; z < 2; z++)
checkForDuplicates(neighbours, obj, gridX + x, gridY + y, gridZ + z);
}
return neighbours;
}
//clear pointers to grid and remove object from grid
public void deregisterObject(GridObjectInterface obj)
{
for (int i = 0; i < obj.getCapacity(); i++)
{
Vector3 gridBlock = obj.getLocation(i);
grid[(int)Math.Round(gridBlock.X), (int)Math.Round(gridBlock.Y), (int)Math.Round(gridBlock.Z)].Remove(obj);
}
obj.removeAllLocations();
}