+++ /dev/null
-
-/*] Copyright (c) 2009-2010, Charles McGarvey [**************************
-**] All rights reserved.
-*
-* vi:ts=4 sw=4 tw=75
-*
-* Distributable under the terms and conditions of the 2-clause BSD license;
-* see the file COPYING for a complete text of the license.
-*
-**************************************************************************/
-
-#ifndef _MOOF_AABB_HH_
-#define _MOOF_AABB_HH_
-
-#include <Moof/Cullable.hh>
-#include <Moof/Drawable.hh>
-#include <Moof/Math.hh>
-#include <Moof/Plane.hh>
-#include <Moof/Shape.hh>
-
-#include <Moof/Frustum.hh> // FIXME this file is quite broken
-#include <Moof/OpenGL.hh>
-#include <Moof/Texture.hh>
-
-
-namespace Mf {
-
-
-class Script;
-
-
-/**
- * Axis-aligned Bounding Box
- */
-
-template <int D = 3>
-struct Aabb : public Cullable, public Drawable, public Shape<D>
-{
- typedef cml::vector< Scalar, cml::fixed<D> > Vector;
-
- Vector min;
- Vector max;
-
-
- Aabb() {}
-
- Aabb(const Vector& a, const Vector& b)
- {
- init(a, b);
- }
-
- Aabb(Scalar x1, Scalar y1, Scalar x2, Scalar y2)
- {
- Vector a(x1, y1);
- Vector b(x2, y2);
-
- init(a, b);
- }
-
- Aabb(Scalar x1, Scalar y1, Scalar z1, Scalar x2, Scalar y2, Scalar z2)
- {
- Vector a(x1, y1, z1);
- Vector b(x2, y2, z2);
-
- init(a, b);
- }
-
-
- void init(const Vector2& a, const Vector2& 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];
- }
- }
-
- void init(const Vector3& a, const Vector3& 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 (min + max) / 2.0;
- }
-
-
- Plane getPlaneXY() const
- {
- Plane plane;
- plane.normal = Vector3(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.d = cml::dot(-plane.normal, getCenter());
- return plane;
- }
-
- Plane getPlaneYZ() const
- {
- Plane plane;
- plane.normal = Vector3(1.0, 0.0, 0.0);
- plane.d = cml::dot(-plane.normal, getCenter());
- return plane;
- }
-
-
- void getCorners(Vector2 corners[4]) const
- {
- corners[0][0] = min[0]; corners[0][1] = min[1];
- corners[1][0] = max[0]; corners[1][1] = min[1];
- corners[2][0] = max[0]; corners[2][1] = max[1];
- corners[3][0] = min[0]; corners[3][1] = max[1];
- }
-
- void getCorners(Vector3 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
- {
- glRect(min[0], min[1], max[0], max[1]);
- }
-
- bool isVisible(const Frustum& frustum) const
- {
- return true;
- }
-};
-
-
-void importAabbClass(Script& script);
-
-template <>
-inline void Aabb<3>::draw(Scalar alpha) 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);
-}
-
-template <>
-inline bool Aabb<3>::isVisible(const Frustum& frustum) const
-{
- return frustum.contains(*this);
-}
-
-
-typedef Aabb<2> Aabb2;
-typedef Aabb2 Rectangle;
-typedef Aabb<3> Aabb3;
-
-
-} // namespace Mf
-
-#endif // _MOOF_AABB_HH_
-
projects / chaz / yoink / blobdiff