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