Vertices, boxes, matrices, transformations and more

[c-irrlicht.git] / src / aabbox3d.cpp

diff --git a/src/aabbox3d.cpp b/src/aabbox3d.cpp
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+/* c-irrlicht --- C bindings for Irrlicht Engine
+
+   Copyright (C) 2019 Javier Sancho <jsf@jsancho.org>
+
+   This file is part of c-irrlicht.
+
+   c-irrlicht 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 3 of the
+   License, or (at your option) any later version.
+
+   c-irrlicht 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
+   General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with guile-irrlicht.  If not, see
+   <http://www.gnu.org/licenses/>.
+*/
+
+#include "aabbox3d.h"
+
+extern "C" {
+  void
+  irr_core_aabbox3d_addInternalPoint(irr_core_aabbox3d_f32 box,
+                                     irr_core_vector3df p)
+  {
+    if (p.x > box.maxEdge.x) box.maxEdge.x = p.x;
+    if (p.y > box.maxEdge.y) box.maxEdge.y = p.y;
+    if (p.z > box.maxEdge.z) box.maxEdge.z = p.z;
+
+    if (p.x < box.minEdge.x) box.minEdge.x = p.x;
+    if (p.y < box.minEdge.y) box.minEdge.y = p.y;
+    if (p.z < box.minEdge.z) box.minEdge.z = p.z;
+  }
+
+  void
+  irr_core_aabbox3d_reset(irr_core_aabbox3d_f32 box,
+                          irr_core_vector3df initValue)
+  {
+    box.minEdge = initValue;
+    box.maxEdge = initValue;
+  }
+}