KlassischeKeplerKriege/game/main.cpp

#include "opengl.h"
#include <iostream>

class MainWindow : public endofthejedi::GLWindow {
private:
protected:
  void init() override {
    glClearColor(0.5f, 0.6f, 0.7f, 1.0f);
    resize();

    glEnable(GL_DEPTH_TEST);
  }
  void render(double time) override {
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glBegin(GL_TRIANGLES);
    glColor3f(1.0f, 0.0f, 0.0f);
    glVertex3f(0.0f, -1.0f, 0.0f);
    glColor3f(0.0f, 1.0f, 0.0f);
    glVertex3f(-1.0f, 1.0f, 0.0f);
    glColor3f(0.0f, 0.0f, 1.0f);
    glVertex3f(1.0f, 1.0f, 0.0f);
    glEnd();
  }
  void resize() override { glViewport(0, 0, getwidth(), getheight()); }

public:
  MainWindow(unsigned int width, unsigned int height)
      : endofthejedi::GLWindow(width, height) {}
};

int main(int argc, const char *argv[]) {
  MainWindow window(500, 500);
  window.set_maxfps(60.0);
  window.loop();
  window.stop();
}