public static bool Contains(this BoundingBox3 me, BoundingBox3 other)
{
return me.Min.X <= other.Min.X &&
me.Min.Y <= other.Min.Y &&
me.Min.Z <= other.Min.Z &&
me.Max.X >= other.Max.X &&
me.Max.Y >= other.Max.Y &&
me.Max.Z >= other.Max.Z;
}
public static bool Intersects(this BoundingBox3 me, BoundingBox3 other)
{
// test using SAT (separating axis theorem)
float lx = Math.Abs(me.Center.X - other.Center.X);
float sumx = (me.Size.X / 2.0f) + (other.Size.X / 2.0f);
float ly = Math.Abs(me.Center.Y - other.Center.Y);
float sumy = (me.Size.Y / 2.0f) + (other.Size.Y / 2.0f);
float lz = Math.Abs(me.Center.Z - other.Center.Z);
float sumz = (me.Size.Z / 2.0f) + (other.Size.Z / 2.0f);
return (lx <= sumx && ly <= sumy && lz <= sumz);
}
/// <summary>
/// Gets the region of this area which is
/// accessible to the player and other creatures.
/// </summary>
/// <returns>
/// A <see cref="OEIShared.OEIMath.BoundingBox3"/> instance
/// representing the boundaries of the player-accessible region.
/// </returns>
/// <remarks>Interior areas have no inaccessible region,
/// and will return the bounds of the full area.</remarks>
public override BoundingBox3 GetAccessibleRegion()
{
BoundingBox3 bounds = nwn2Area.GetBoundsOfArea();
if (nwn2Area.HasTerrain)
{
Vector3 min = new Vector3(bounds.Min.X + InaccessibleRegionWidth,
bounds.Min.Y + InaccessibleRegionWidth,
bounds.Min.Z);
Vector3 max = new Vector3(bounds.Max.X + InaccessibleRegionWidth,
bounds.Max.Y + InaccessibleRegionWidth,
bounds.Max.Z);
bounds = new BoundingBox3(min, max);
}
return(bounds);
}
public bool Intersects(BoundingBox3 boundingBox)
{
Vec3 clampedLocation;
if (center.x > boundingBox.max.x)
{
clampedLocation.x = boundingBox.max.x;
}
else if (center.x < boundingBox.min.x)
{
clampedLocation.x = boundingBox.min.x;
}
else
{
clampedLocation.x = center.x;
}
if (center.y > boundingBox.max.y)
{
clampedLocation.y = boundingBox.max.y;
}
else if (center.y < boundingBox.min.y)
{
clampedLocation.y = boundingBox.min.y;
}
else
{
clampedLocation.y = center.y;
}
if (center.z > boundingBox.max.z)
{
clampedLocation.z = boundingBox.max.z;
}
else if (center.z < boundingBox.min.z)
{
clampedLocation.z = boundingBox.min.z;
}
else
{
clampedLocation.z = center.z;
}
return(clampedLocation.DistanceSquared(center) <= (radius * radius));
}
void Draw(object sender, DrawingEventArgs e)
{
if (HeightFieldProperty.GetValue(null) == null)
{
return;
}
var dd = e.Drawer;
var heightField = HeightFieldProperty.GetValue(null);
float cs = (float)CellSize.GetValue(heightField);
float ch = (float)CellHeight.GetValue(heightField);
Array Spans = (Array)SpansProp.GetValue(heightField);
BoundingBox3 bounds = (BoundingBox3)Bounds.GetValue(heightField);
//var cpl = Core.Player.Location;
var td = new Dictionary <Color, List <Vector3> >();
for (int y = 0; y < (int)NumCellsZ.GetValue(heightField); ++y)
{
for (int x = 0; x < (int)NumCellsX.GetValue(heightField); ++x)
{
float fx = bounds.Min.X + x * cs;
float fz = bounds.Min.Z + y * cs;
var c = GetCell.Invoke(heightField, new object[] { x, y }); // chf.GetCell(x, y);
uint Index = (uint)CellIndexProp.GetValue(c);
uint Count = (uint)CellCountProp.GetValue(c);
for (uint i = Index, ni = Index + Count; i < ni; ++i)
{
var s = Spans.GetValue(i);
var area = (byte)SpansAreaProp.GetValue(s);
ushort bottom = (ushort)SpansBottomField.GetValue(s);
Color color;
if (area == 1)
{
color = Color.FromArgb(128, 128, 255, 64);
}
else if (area == 0)
{
color = Color.FromArgb(128, 0, 0, 64);
}
else
{
color = duIntToCol(area, 64);
}
float fy = bounds.Min.Y + (bottom + 1) * ch;
if (!td.TryGetValue(color, out var tl))
{
tl = new List <Vector3>();
td[color] = tl;
}
tl.AddRange(new[]
{
new Vector3(fx, fy, fz),
new Vector3(fx, fy, fz + cs),
new Vector3(fx + cs, fy, fz + cs),
new Vector3(fx + cs, fy, fz + cs),
new Vector3(fx + cs, fy, fz),
new Vector3(fx, fy, fz)
});
}
}
}
foreach (var k in td)
{
dd.DrawTriangles(k.Value.ToArray(), k.Key);
}
}