4 files changed, 185 insertions, 3 deletions

diff --git a/src/math/Makefile.am b/src/math/Makefile.am
index df180dd..d032cb4 100644
--- a/src/math/Makefile.am
+++ b/src/math/Makefile.am
@@ -1,11 +1,25 @@
 METASOURCES = AUTO
 
-libmath_la_SOURCES = axis.cc color.cc functions.cc matrix4f.cc vector2f.cc \
+libmath_la_SOURCES = \
+	axis.cc \
+	boundingbox3f.cc \
+	color.cc \
+	functions.cc \
+	matrix4f.cc \
+	vector2f.cc \
 	vector3f.cc
+
 libmath_la_LDFLAGS = -avoid-version -no-undefined -lm
 
 noinst_LTLIBRARIES = libmath.la
-noinst_HEADERS = axis.h color.h functions.h mathlib.h matrix4f.h vector2f.h \
-		vector3f.h
+noinst_HEADERS = \
+	axis.h \
+	boundingbox3f.h \
+	color.h \
+	functions.h \
+	mathlib.h \
+	matrix4f.h \
+	vector2f.h \
+	vector3f.h
 
 INCLUDES = -I$(top_srcdir)/src
diff --git a/src/math/boundingbox3f.cc b/src/math/boundingbox3f.cc
new file mode 100644
index 0000000..933d783
--- /dev/null
+++ b/src/math/boundingbox3f.cc
@@ -0,0 +1,53 @@
+/*
+   math/boundingbox3f.cc
+   This file is part of the Osirion project and is distributed under
+   the terms of the GNU General Public License version 2
+*/
+
+#include "math/boundingbox3f.h"
+
+namespace math {
+
+BoundingBox3f::BoundingBox3f() : 
+	boundingbox_min(), 
+	boundingbox_max() 
+{
+}
+
+BoundingBox3f::BoundingBox3f(const Vector3f &center) :
+	boundingbox_min(center),
+	boundingbox_max(center)
+{
+}
+
+void BoundingBox3f::assign(const BoundingBox3f & other)
+{
+	boundingbox_min.assign(other.boundingbox_min);
+	boundingbox_max.assign(other.boundingbox_max);
+}
+	
+void BoundingBox3f::assign(const Vector3f &center)
+{
+	boundingbox_min.assign(center);
+	boundingbox_max.assign(center);
+}
+void BoundingBox3f::assign(const Vector3f & min, const Vector3f & max)
+{
+	boundingbox_min.assign(min);
+	boundingbox_max.assign(max);
+}
+
+void BoundingBox3f::assign(const float min, const float max)
+{
+	boundingbox_min.assign(min, min, min);
+	boundingbox_max.assign(max, max, max);
+}
+
+void BoundingBox3f::clear()
+{
+	boundingbox_min.clear();
+	boundingbox_max.clear();
+}
+
+
+} // namespace math
diff --git a/src/math/boundingbox3f.h b/src/math/boundingbox3f.h
new file mode 100644
index 0000000..54b846b
--- /dev/null
+++ b/src/math/boundingbox3f.h
@@ -0,0 +1,113 @@
+/*
+   math/boundingbox3f.h
+   This file is part of the Osirion project and is distributed under
+   the terms of the GNU General Public License version 2
+*/
+
+#ifndef __INCLUDED_MATH_BOUNDINGBOX3F_H__
+#define __INCLUDED_MATH_BOUNDINGBOX3F_H__
+
+#include "math/vector3f.h"
+
+namespace math {
+
+/**
+ * @brief a bounding box class
+ */
+class BoundingBox3f {
+public:
+	BoundingBox3f();
+	BoundingBox3f(const Vector3f &center);
+	
+	/**
+	 * @brief returns the minimum coordinates of the bounding box
+	 */
+	inline const Vector3f & min() const {
+		return boundingbox_min;
+	}
+	
+	/**
+	 * @brief returns the maximum coordinates of the bounding box
+	 */
+	inline const Vector3f & max() const {
+		return boundingbox_max;
+	}
+
+	/**
+	 * @brief test if a point is located inside the bounding box
+	 */
+	inline const bool inside(const Vector3f & point) const {
+		for (size_t i =0; i < 3; i++) {
+			if ((point[i] < boundingbox_min[i]) || (point[i] > boundingbox_max[i])) {
+				return false;
+			}
+		}
+		return true;
+	}
+	
+	/**
+	 * @brief test if a point is located outside the bounding box
+	 */
+	inline const bool outside(const Vector3f & point) const {
+		for (size_t i =0; i < 3; i++) {
+			if ((point[i] < boundingbox_min[i]) || (point[i] > boundingbox_max[i])) {
+				return true;
+			}
+		}
+		return false;
+	}
+	
+	void assign(const BoundingBox3f & other);
+	
+	void assign(const Vector3f & min, const Vector3f & max);
+	
+	void assign(const Vector3f &center);
+	
+	void assign(const float min, const float max);
+	
+	void clear();
+	
+	/**
+	 * @brief expand the bounding box to contain a point
+	 */
+	inline void expand(const Vector3f & point) {
+		for (size_t i =0; i < 3; i++) {
+			if (point[i] < boundingbox_min[i]) {
+				boundingbox_min[i] = point[i];
+			}
+			
+			if (point[i] > boundingbox_max[i]) {
+				boundingbox_max[i] = point[i];
+			}
+		}
+	}
+	
+	/**
+	 * @brief expand the bounding box to contain another bounding box
+	 */
+	inline void expand(const Vector3f & min, const Vector3f & max) {
+		for (size_t i =0; i < 3; i++) {
+			if (min[i] < boundingbox_min[i]) {
+				boundingbox_min[i] = min[i];
+			}
+			
+			if (max[i] > boundingbox_max[i]) {
+				boundingbox_max[i] = max[i];
+			}
+		}
+	}
+	
+	/**
+	 * @brief expand the bounding box to contain another bounding box
+	 */
+	inline void expand(const BoundingBox3f & other) {
+		expand(other.boundingbox_min, other.boundingbox_max);
+	}
+	
+private:
+	Vector3f	boundingbox_min;
+	Vector3f	boundingbox_max;
+};
+
+} // namespace math
+#endif // __INCLUDED_MATH_BOUNDINGBOX3F_H__
diff --git a/src/math/mathlib.h b/src/math/mathlib.h
index ee1e43e..b29edee 100644
--- a/src/math/mathlib.h
+++ b/src/math/mathlib.h
@@ -13,11 +13,13 @@
 namespace math {}
 
 #include "math/axis.h"
+#include "math/boundingbox3f.h"
 #include "math/color.h"
 #include "math/matrix4f.h"
 #include "math/functions.h"
 #include "math/vector2f.h"
 #include "math/vector3f.h"
 
+
 #endif // __INCLUDED_MATH_MATHLIB_H__