src/mods/space/planet.h

   1 /************************************************************************
   2     This file is part of NE.
   3
   4     NE is free software: you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation, either version 3 of the License, or
   7     (at your option) any later version.
   8
   9     NE is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with NE.  If not, see <http://www.gnu.org/licenses/>.
  16 ************************************************************************/
  17
  18 #ifndef PLANET_H_
  19 #define PLANET_H_
  20
  21 #include "phys/generic_objects.h"
  22 #include "backend/texture.h"
  23
  24 namespace Space {
  25
  26 class Planet : public Sphere
  27 {
  28 public:
  29         Planet(Texture *texture, float radius, float density=1);
  30         virtual ~Planet();
  31
  32         void draw();
  33
  34         // gets gravity as <x,y,z,g> where g is magnitude
  35         const float *getGravity(Object *target);
  36         void applyGravity(Object *target);
  37
  38 private:
  39         Texture *m_tex;
  40 };
  41
  42 }
  43
  44 #endif /*PLANET_H_*/