public StaticObject(Model model, ObjectStats.StaticObjectStats staticObjectStats)
: base(model, staticObjectStats)
{
PhysicalTransforms = Matrix.Identity;
OOBoundingBox = new OOBoundingBox(new Vector3(0,0,0), new Vector3(0,0,0));
PositionChanged += OnPositionChanged;
AngleChanged += OnAngleChanged;
}
public Building(Model model, ObjectStats.BuildingStats buildingStats)
: base(model, buildingStats)
{
PhysicalTransforms = Matrix.Identity;
Vector3 min = new Vector3(float.MaxValue, float.MaxValue, float.MaxValue);
Vector3 max = new Vector3(float.MinValue, float.MinValue, float.MinValue);
for (int i = 0; i < Model.Meshes.Count; ++i)
{
BoundingBox bb;
BoundingBoxTools.CalculateBoundingBox(Model.Meshes[i], out bb);
if (min.X > bb.Min.X)
{
min.X = bb.Min.X;
}
if (min.Y > bb.Min.Y)
{
min.Y = bb.Min.Y;
}
if (min.Z > bb.Min.Z)
{
min.Z = bb.Min.Z;
}
if (max.X < bb.Max.X)
{
max.X = bb.Max.X;
}
if (max.Y < bb.Max.Y)
{
max.Y = bb.Max.Y;
}
if (max.Z < bb.Max.Z)
{
max.Z = bb.Max.Z;
}
}
BoundingBox = new BoundingBox(min, max);
OOBoundingBox = new OOBoundingBox(BoundingBox, scale);
Length = scale * (BoundingBox.Max.Z - BoundingBox.Min.Z);
Width = scale * (BoundingBox.Max.Y - BoundingBox.Min.Y);
Height = scale * (BoundingBox.Max.X - BoundingBox.Min.X);
PhysicalTransforms = Matrix.Identity;
PositionChanged += OnPositionChanged;
AngleChanged += OnAngleChanged;
}
/// <summary>
/// Sprawdza, czy dwa OOBoundingBox'y koliduja.
/// </summary>
/// <param name="boundingBox">OOBoundingBox, kolizja z ktorym jest sprawdzana</param>
/// <returns></returns>
public bool Intersects(OOBoundingBox boundingBox)
{
if (AxisOverlap(NormalX, boundingBox))
return true;
if (AxisOverlap(NormalY, boundingBox))
return true;
if (AxisOverlap(NormalZ, boundingBox))
return true;
if (AxisOverlap(Vector3.Cross(NormalX, boundingBox.NormalX), boundingBox))
return true;
if (AxisOverlap(Vector3.Cross(NormalX, boundingBox.NormalY), boundingBox))
return true;
if (AxisOverlap(Vector3.Cross(NormalX, boundingBox.NormalZ), boundingBox))
return true;
if (AxisOverlap(Vector3.Cross(NormalY, boundingBox.NormalX), boundingBox))
return true;
if (AxisOverlap(Vector3.Cross(NormalY, boundingBox.NormalY), boundingBox))
return true;
if (AxisOverlap(Vector3.Cross(NormalY, boundingBox.NormalZ), boundingBox))
return true;
if (AxisOverlap(Vector3.Cross(NormalZ, boundingBox.NormalX), boundingBox))
return true;
if (AxisOverlap(Vector3.Cross(NormalZ, boundingBox.NormalY), boundingBox))
return true;
if (AxisOverlap(Vector3.Cross(NormalZ, boundingBox.NormalZ), boundingBox))
return true;
return false;
}
private bool AxisOverlap(Vector3 Axis, OOBoundingBox boundingBox)
{
float min0, max0;
float min1, max1;
ComputeSpan(Axis, out min0, out max0);
boundingBox.ComputeSpan(Axis, out min1, out max1);
return SpanOverlap(min0, max0, min1, max1);
}
