src/gworm.cpp

   1 #include "app/Application.h"
   2 #include "app/SDL.h"
   3 #include "graphics/Canvas.h"
   4 #include "graphics/Window.h"
   5 #include "world/Entity.h"
   6 #include "world/World.h"
   7
   8 using namespace gworm;
   9
  10
  11 namespace {
  12
  13 void make_planet(World &world, Vector<int> center, int radius) {
  14         const Vector<int> begin(0, 0);
  15         const Vector<int> end(world.Size());
  16         const int sqrad = radius * radius;
  17
  18         for (Vector<int> pos(begin); pos.y < end.y; ++pos.y) {
  19                 for (pos.x = 0; pos.x < end.x; ++pos.x) {
  20                         Vector<int> diff(center - pos);
  21                         int sqdist = Dot(diff, diff);
  22                         if (sqdist <= sqrad) {
  23                                 world.SetMass(pos, 1e10);
  24                                 world.SetColor(pos, Color(0x00, 0x00, 0xA0));
  25                         } else {
  26                                 world.SetMass(pos, 0);
  27                                 world.SetColor(pos, Color(0x00, 0x00, 0x00, 0x00));
  28                         }
  29                 }
  30         }
  31 }
  32
  33 }
  34
  35
  36 int main(int argc, const char *argv[]) {
  37         SDL sdl(SDL_INIT_VIDEO);
  38         Window win(
  39                 "gworm",
  40                 Window::POS_UNDEF,
  41                 Vector<int>(800, 600),
  42                 SDL_WINDOW_RESIZABLE
  43         );
  44         Canvas canv(win.CreateCanvas(
  45                 0
  46         ));
  47
  48         World world(Vector<int>(500, 500));
  49         make_planet(world, Vector<int>(250, 250), 220);
  50
  51         Entity e;
  52         e.vel = Vector<float>(-19, 19);
  53         e.mass = 1;
  54         world.AddEntity(e);
  55
  56         Application app(canv, world);
  57         app.Run();
  58
  59         return 0;
  60 }