1 files changed, 125 insertions, 0 deletions

diff --git a/src/others/mimesh/libg3d-0.0.8/include/g3d/vector.h b/src/others/mimesh/libg3d-0.0.8/include/g3d/vector.h
new file mode 100644
index 0000000..aeb838c
--- /dev/null
+++ b/src/others/mimesh/libg3d-0.0.8/include/g3d/vector.h
@@ -0,0 +1,125 @@
+/* $Id$ */
+
+/*
+    libg3d - 3D object loading library
+
+    Copyright (C) 2005-2009  Markus Dahms <mad@automagically.de>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef __G3D_VECTOR_H__
+#define __G3D_VECTOR_H__
+
+#include <g3d/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* ifdef __cplusplus */
+
+/**
+ * SECTION:vector
+ * @short_description: Vector manipulation and calculation
+ * @include: g3d/vector.h
+ *
+ * A vector is a one-dimensional array of floating point data.
+ *
+ * Declare it as statically as:
+ *
+ * G3DVector vector[3];
+ *
+ * or allocate it dynamically with:
+ *
+ * G3DVector *vector = g3d_vector_new(3, 1);
+ */
+
+/**
+ * g3d_vector_new:
+ * @size: number of items in one vector
+ * @n: number of vectors to allocate
+ *
+ * Allocate memory for a number of vectors.
+ *
+ * Returns: newly allocated vectors
+ */
+_G3D_STATIC_INLINE G3DVector *g3d_vector_new(guint32 size, guint32 n) {
+        return g_new0(G3DVector, size * n);
+}
+
+/**
+ * g3d_vector_free:
+ * @vector: vector to free
+ *
+ * Free memory allocated for vector.
+ */
+_G3D_STATIC_INLINE void g3d_vector_free(G3DVector *vector) {
+        g_free(vector);
+}
+
+/**
+ * g3d_vector_normal:
+ * @ax: x component first vector
+ * @ay: y component first vector
+ * @az: z component first vector
+ * @bx: x component second vector
+ * @by: y component second vector
+ * @bz: z component second vector
+ * @nx: x component resulting normal
+ * @ny: y component resulting normal
+ * @nz: z component resulting normal
+ *
+ * calculate the normal from a plane defined by two vectors
+ *
+ * Returns: TRUE on success, FALSE else
+ */
+EAPI
+gboolean g3d_vector_normal(G3DFloat ax, G3DFloat ay, G3DFloat az,
+        G3DFloat bx, G3DFloat by, G3DFloat bz,
+        G3DFloat *nx, G3DFloat *ny, G3DFloat *nz);
+
+/**
+ * g3d_vector_unify:
+ * @nx: x component of vector
+ * @ny: y component of vector
+ * @nz: z component of vector
+ *
+ * Transforms the given vector to the unit vector.
+ *
+ * Returns: TRUE on success, FALSE else
+ */
+EAPI
+gboolean g3d_vector_unify(G3DFloat *nx, G3DFloat *ny, G3DFloat *nz);
+
+/**
+ * g3d_vector_transform:
+ * @x: x component of vector
+ * @y: y component of vector
+ * @z: z component of vector
+ * @matrix: transformation matrix (4x4)
+ *
+ * Transforms the given vector corresponding to the given matrix
+ *
+ * Returns: TRUE on success, FALSE else
+ */
+EAPI
+gboolean g3d_vector_transform(G3DFloat *x, G3DFloat *y, G3DFloat *z,
+        G3DMatrix *matrix);
+
+#ifdef __cplusplus
+}
+#endif /* ifdef __cplusplus */
+
+#endif /* __G3D_VECTOR_H__ */
+