Makefile.am updates, math::Axis, improved VertexArray, r_arraysize

1 files changed, 52 insertions, 0 deletions

diff --git a/src/math/axis.h b/src/math/axis.h
new file mode 100644
index 0000000..73474ef
--- /dev/null
+++ b/src/math/axis.h
@@ -0,0 +1,52 @@
+/*
+   math/axis.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_AXIS_H__
+#define __INCLUDED_MATH_AXIS_H__
+
+#include <iostream>
+
+#include "math/vector3f.h"
+
+namespace math
+{
+
+/// a local coordinates system
+class Axis {
+public:
+	Axis();
+	Axis(const Axis & other);
+
+	void clear();
+
+	void assign(const Axis & other);
+
+	/// global coordinates of the X-axis in the local coordinates system
+	inline Vector3f const & forward() { return axis_vector[0]; }
+
+	/// global coordinates of the Y-axis in the local coordinates system
+	inline Vector3f const & left() { return axis_vector[1]; }
+	
+	/// global coordinates of the Z-axis in the local coordinates system
+	inline Vector3f const & up() { return axis_vector[2]; }
+
+	inline Vector3f const operator[](size_t index) { return axis_vector[index]; }
+
+	Axis & operator=(const Axis & other);
+		
+	/// alter heading, rotate around Z-axis (positive is left)
+	void direction(const float angle);
+
+	/// alter heading, rotate around negative Y-axis (positive is up)
+	void pitch(const float angle);
+
+private:
+	Vector3f		axis_vector[3];
+};
+
+}
+
+#endif // __INCLUDED_MATH_AXIS_H__