public void generateCollisionGrid(int cellSize)
{
//find the bounds of the entire map
Vector3 min = new Vector3(float.MaxValue, float.MaxValue, float.MaxValue),
max = -min;
foreach (Brush brush in core.mapEngine.brushes)
{
BoundingBox b = brush.boundingBox;
min.X = Math.Min(min.X, b.Min.X);
min.Y = Math.Min(min.Y, b.Min.Y);
min.Z = Math.Min(min.Z, b.Min.Z);
max.X = Math.Max(max.X, b.Max.X);
max.Y = Math.Max(max.Y, b.Max.Y);
max.Z = Math.Max(max.Z, b.Max.Z);
}
min -= new Vector3(1, 1, 1) * cellSize;
max += new Vector3(1, 1, 1) * cellSize;
gridOffset = min;
//now that we have the bounds, calculate the grid cell bounds
grid = new CollisionGridCell[(int)Math.Max(1, Math.Ceiling((max.X - min.X) / cellSize)),
(int)Math.Max(1, Math.Ceiling((max.Y - min.Y) / cellSize)),
(int)Math.Max(1, Math.Ceiling((max.Z - min.Z) / cellSize))];
for (int k = 0; k < grid.GetLength(2); ++k)
{
for (int j = 0; j < grid.GetLength(1); ++j)
{
for (int i = 0; i < grid.GetLength(0); ++i)
{
grid[i, j, k] = new CollisionGridCell();
}
}
}
this.cellSize = cellSize;
foreach (ICollidable c in core.allCollidables())
{
updateCollisionCellsFor(c);
}
}
public void generateCollisionGrid(int cellSize)
{
//find the bounds of the entire map
Vector3 min = new Vector3(float.MaxValue, float.MaxValue, float.MaxValue),
max = -min;
foreach (Brush brush in core.mapEngine.brushes) {
BoundingBox b = brush.boundingBox;
min.X = Math.Min(min.X, b.Min.X);
min.Y = Math.Min(min.Y, b.Min.Y);
min.Z = Math.Min(min.Z, b.Min.Z);
max.X = Math.Max(max.X, b.Max.X);
max.Y = Math.Max(max.Y, b.Max.Y);
max.Z = Math.Max(max.Z, b.Max.Z);
}
min -= new Vector3(1, 1, 1) * cellSize;
max += new Vector3(1, 1, 1) * cellSize;
gridOffset = min;
//now that we have the bounds, calculate the grid cell bounds
grid = new CollisionGridCell[(int)Math.Max(1, Math.Ceiling((max.X - min.X) / cellSize)),
(int)Math.Max(1, Math.Ceiling((max.Y - min.Y) / cellSize)),
(int)Math.Max(1, Math.Ceiling((max.Z - min.Z) / cellSize))];
for(int k = 0; k < grid.GetLength(2); ++k)
for(int j = 0; j < grid.GetLength(1); ++j)
for (int i = 0; i < grid.GetLength(0); ++i)
grid[i, j, k] = new CollisionGridCell();
this.cellSize = cellSize;
foreach (ICollidable c in core.allCollidables())
updateCollisionCellsFor(c);
}
