+ Aabb(const Vector& a, const Vector& b)
+ {
+ init(a, b);
+ }
+
+ Aabb(Scalar ax, Scalar ay, Scalar az,
+ Scalar bx, Scalar by, Scalar bz)
+ {
+ Vector a(ax, ay, az);
+ Vector b(bx, by, bz);
+
+ init(a, b);
+ }
+
+ void init(const Vector& a, const Vector& b)
+ {
+ if (a[0] < b[0])
+ {
+ min[0] = a[0];
+ max[0] = b[0];
+ }
+ else
+ {
+ min[0] = b[0];
+ max[0] = a[0];
+ }
+ if (a[1] < b[1])
+ {
+ min[1] = a[1];
+ max[1] = b[1];
+ }
+ else
+ {
+ min[1] = b[1];
+ max[1] = a[1];
+ }
+ if (a[2] < b[2])
+ {
+ min[2] = a[2];
+ max[2] = b[2];
+ }
+ else
+ {
+ min[2] = b[2];
+ max[2] = a[2];
+ }
+ }
+
+ Vector getCenter() const
+ {
+ return Vector((min[0] + max[0]) / 2.0,
+ (min[1] + max[1]) / 2.0,
+ (min[2] + max[2]) / 2.0);
+ }
+
+ //void getOctant(Aabb& octant, int num) const;
+
+ Plane getPlaneXY() const
+ {
+ Plane plane;
+ plane.normal = Vector(0.0, 0.0, 1.0);
+ plane.d = cml::dot(-plane.normal, getCenter());
+ return plane;
+ }
+
+ Plane getPlaneXZ() const
+ {
+ Plane plane;
+ plane.normal = Vector(0.0, 1.0, 0.0);
+ plane.d = cml::dot(-plane.normal, getCenter());
+ return plane;
+ }
+
+ Plane getPlaneYZ() const
+ {
+ Plane plane;
+ plane.normal = Vector(1.0, 0.0, 0.0);
+ plane.d = cml::dot(-plane.normal, getCenter());
+ return plane;
+ }
+
+ /*
+ void getCorners(Vector3 corners[8]) const;
+
+ void encloseVertices(const Vector3 vertices[], unsigned count);
+
+ void draw(Scalar alpha = 0.0) const;
+ bool isVisible(const Frustum& frustum) const;
+ */
+
+
+void getCorners(Vector corners[8]) const
+{
+ corners[0][0] = min[0]; corners[0][1] = min[1]; corners[0][2] = max[2];
+ corners[1][0] = max[0]; corners[1][1] = min[1]; corners[1][2] = max[2];
+ corners[2][0] = max[0]; corners[2][1] = max[1]; corners[2][2] = max[2];
+ corners[3][0] = min[0]; corners[3][1] = max[1]; corners[3][2] = max[2];
+ corners[4][0] = min[0]; corners[4][1] = min[1]; corners[4][2] = min[2];
+ corners[5][0] = max[0]; corners[5][1] = min[1]; corners[5][2] = min[2];
+ corners[6][0] = max[0]; corners[6][1] = max[1]; corners[6][2] = min[2];
+ corners[7][0] = min[0]; corners[7][1] = max[1]; corners[7][2] = min[2];
+}
+
+
+void encloseVertices(const Vector vertices[], unsigned count)
+{
+ min.zero();
+ max.zero();
+
+ for (unsigned i = 1; i < count; ++i)
+ {
+ min.minimize(vertices[i]);
+ max.maximize(vertices[i]);
+ }
+}