SuperTuxKart
terrain_info.hpp
1 //
2 // SuperTuxKart - a fun racing game with go-kart
3 // Copyright (C) 2007-2015 Joerg Henrichs
4 //
5 // This program is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU General Public License
7 // as published by the Free Software Foundation; either version 3
8 // of the License, or (at your option) any later version.
9 //
10 // This program is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTe ABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
14 //
15 // You should have received a copy of the GNU General Public License
16 // along with this program; if not, write to the Free Software
17 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 
19 #ifndef HEADER_TERRAIN_INFO_HPP
20 #define HEADER_TERRAIN_INFO_HPP
21 
22 #include "utils/vec3.hpp"
23 
24 class btTransform;
25 class Material;
26 
32 {
33 private:
42 
45 
46 public:
47  TerrainInfo();
48  TerrainInfo(const Vec3 &pos);
49  virtual ~TerrainInfo() {};
50 
51  bool getSurfaceInfo(const Vec3 &from, Vec3 *position,
52  const Material **m);
53  virtual void update(const btMatrix3x3 &rotation, const Vec3 &from);
54  virtual void update(const Vec3 &from);
55  virtual void update(const Vec3 &from, const Vec3 &towards);
56 
57  // ------------------------------------------------------------------------
59  virtual void update(const btMatrix3x3 &rotation)
60  {
61  update(rotation, Vec3(0,0,0));
62  }
63  // ------------------------------------------------------------------------
65  float getHoT() const {return m_hit_point.getY(); }
66  // ------------------------------------------------------------------------
68  const Material *getMaterial() const {return m_material; }
69  // ------------------------------------------------------------------------
72  const Material *getLastMaterial() const {return m_last_material;}
73  // ------------------------------------------------------------------------
75  const Vec3 &getNormal() const {return m_normal; }
76  // ------------------------------------------------------------------------
78  float getTerrainPitch(float heading) const;
79  // ------------------------------------------------------------------------
81  const btVector3& getHitPoint() const { return m_hit_point; }
82  const Vec3& getOrigin() const { return m_origin_ray; }
83 
84 }; // TerrainInfo
85 
86 #endif // HEADER_TERRAIN_INFO_HPP
float getHoT() const
Returns the height of the terrain.
Definition: terrain_info.hpp:65
const Material * getLastMaterial() const
Returns the previous material the kart was one (which might be the same as getMaterial() ).
Definition: terrain_info.hpp:72
A wrapper around bullets btVector3 to include conventient conversion functions (e....
Definition: vec3.hpp:34
float getTerrainPitch(float heading) const
Returns the pitch of the terrain depending on the heading.
Definition: terrain_info.cpp:129
Vec3 m_hit_point
The point that was hit.
Definition: terrain_info.hpp:41
virtual void update(const btMatrix3x3 &rotation)
Simple wrapper with no offset.
Definition: terrain_info.hpp:59
Vec3 m_origin_ray
DEBUG only: origin of raycast.
Definition: terrain_info.hpp:44
const Material * m_material
Material of the triangle under the object.
Definition: terrain_info.hpp:37
const Material * m_last_material
The previous material a kart was on.
Definition: terrain_info.hpp:39
virtual void update(const btMatrix3x3 &rotation, const Vec3 &from)
Update the terrain information based on the latest position.
Definition: terrain_info.cpp:74
const btVector3 & getHitPoint() const
Returns the hit point of the raycast.
Definition: terrain_info.hpp:81
TerrainInfo()
Constructor to initialise terrain data.
Definition: terrain_info.cpp:32
This class stores information about the triangle that's under an object, i.e.
Definition: terrain_info.hpp:31
Vec3 m_normal
Normal of the triangle under the object.
Definition: terrain_info.hpp:35
Definition: material.hpp:46
bool getSurfaceInfo(const Vec3 &from, Vec3 *position, const Material **m)
Does a raycast upwards from the given position If the raycast indicated that the kart is 'under somet...
Definition: terrain_info.cpp:118
const Material * getMaterial() const
Returns the current material the kart is on.
Definition: terrain_info.hpp:68
const Vec3 & getNormal() const
Returns the normal of the terrain the kart is on.
Definition: terrain_info.hpp:75