#include <Moof/Drawable.hh>
#include <Moof/Math.hh>
#include <Moof/Plane.hh>
+#include <Moof/Shape.hh>
+
+#include <Moof/Frustum.hh>
+#include <Moof/OpenGL.hh>
+#include <Moof/Texture.hh>
namespace Mf {
* Axis-aligned Bounding Box
*/
-struct Aabb : public Cullable, public Drawable
+template <int D = 3>
+struct Aabb : public Cullable, public Drawable, public Shape<D>
{
- Vector3 min;
- Vector3 max;
+ typedef cml::vector< Scalar, cml::fixed<D> > Vector;
+
+ Vector min;
+ Vector max;
Aabb() {}
- Aabb(const Vector3& a, const Vector3& b)
+ Aabb(const Vector& a, const Vector& b)
{
init(a, b);
}
Aabb(Scalar ax, Scalar ay, Scalar az,
Scalar bx, Scalar by, Scalar bz)
{
- Vector3 a(ax, ay, az);
- Vector3 b(bx, by, bz);
+ Vector a(ax, ay, az);
+ Vector b(bx, by, bz);
init(a, b);
}
- void init(const Vector3& a, const Vector3& b)
+ void init(const Vector& a, const Vector& b)
{
if (a[0] < b[0])
{
}
}
- Vector3 getCenter() const
+ Vector getCenter() const
{
- return Vector3((min[0] + max[0]) / 2.0,
+ 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;
+ //void getOctant(Aabb& octant, int num) const;
Plane getPlaneXY() const
{
Plane plane;
- plane.normal = Vector3(0.0, 0.0, 1.0);
+ 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 = Vector3(0.0, 1.0, 0.0);
+ 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 = Vector3(1.0, 0.0, 0.0);
+ 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]);
+ }
+}
+
+
+void draw(Scalar alpha = 0.0) const
+{
+ Scalar vertices[] = {min[0], min[1], min[2],
+ min[0], max[1], min[2],
+ max[0], max[1], min[2],
+ max[0], min[1], min[2],
+ min[0], max[1], max[2],
+ min[0], min[1], max[2],
+ max[0], min[1], max[2],
+ max[0], max[1], max[2]};
+
+ GLubyte indices[] = {0, 1, 2, 3,
+ 1, 2, 7, 4,
+ 3, 0, 5, 6,
+ 2, 3, 6, 7,
+ 5, 0, 1, 4,
+ 4, 5, 6, 7};
+
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+ glVertexPointer(3, GL_SCALAR, 0, vertices);
+
+ glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+ Texture::resetBind();
+
+ glDrawElements(GL_QUADS, sizeof(indices), GL_UNSIGNED_BYTE, indices);
+
+ glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+ //glDisableClientState(GL_VERTEX_ARRAY);
+
+ glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+}
+
+bool isVisible(const Frustum& frustum) const
+{
+ return frustum.contains(*this);
+}
};