src/collision/RayCollision.h

   1 /*
   2     Fail game engine
   3     Copyright 2007 Antoine Chavasse <a.chavasse@gmail.com>
   4
   5     This file is part of Fail.
   6
   7     Fail is free software; you can redistribute it and/or modify
   8     it under the terms of the GNU General Public License version 3
   9     as published by the Free Software Foundation.
  10
  11     Fail is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19 #ifndef FAIL_COLLISION_RAYCOLLISION_H_
  20 #define FAIL_COLLISION_RAYCOLLISION_H_
  21
  22 #include "core/core.h"
  23 #include "collision/collision_export.h"
  24 #include "math/math.h"
  25 #include "Ray.h"
  26
  27 namespace fail { namespace collision
  28 {
  29         struct FLCOLLISION_EXPORT RayCollision
  30         {
  31                 RayCollision() {}
  32
  33                 bool rayTest( Pointer< Ray > pRay, Pointer< PlaceableGeom > pGeom )
  34                 {
  35                         dContactGeom contact;
  36
  37                         pRay->updatePosition();
  38                         pGeom->updatePosition();
  39
  40                         if( !dCollide( pRay->m_GeomID, pGeom->m_GeomID, 1, &contact, 0 ) )
  41                                 return false;
  42
  43                         m_position.x() = contact.pos[0];
  44                         m_position.y() = contact.pos[1];
  45                         m_position.z() = contact.pos[2];
  46
  47                         m_normal.x() = contact.normal[0];
  48                         m_normal.y() = contact.normal[1];
  49                         m_normal.z() = contact.normal[2];
  50
  51                         m_depth = contact.depth;
  52
  53                         return true;
  54                 }
  55
  56                 math::Vector3f& position() { return m_position; }
  57                 math::Vector3f& normal() { return m_normal; }
  58                 float& depth() { return m_depth; }
  59                 const math::Vector3f& position() const { return m_position; }
  60                 const math::Vector3f& normal() const { return m_normal; }
  61                 const float& depth() const { return m_depth; }
  62
  63                 private:
  64                         math::Vector3f m_position;
  65                         math::Vector3f m_normal;
  66                         float m_depth;
  67         };
  68 }}
  69
  70 #endif