cpp-game-engine/graphics/src/object.cpp

//
//  object.cpp
//  graphics
//
//  Created by Sam Jaffe on 7/5/16.
//

#include "game/graphics/object.hpp"

#include "game/graphics/vertex.h"

using namespace graphics;

void vertices(std::vector<vertex> & out, object const & obj) {
  static const math::rgba CLEAR{{255, 255, 255, 255}};
  math::dim2::quad frame_quad = obj.frame;

  out.emplace_back(vertex{obj.points.ll, frame_quad.ll, CLEAR});
  out.emplace_back(vertex{obj.points.lr, frame_quad.lr, CLEAR});
  out.emplace_back(vertex{obj.points.ur, frame_quad.ur, CLEAR});
  out.emplace_back(vertex{obj.points.ll, frame_quad.ll, CLEAR});
  out.emplace_back(vertex{obj.points.ur, frame_quad.ur, CLEAR});
  out.emplace_back(vertex{obj.points.ul, frame_quad.ul, CLEAR});
}

void graphics::vertices(std::vector<vertex> & out, object const & obj) {
  out.reserve(out.size() + 6);
  ::vertices(out, obj);
}

void graphics::vertices(std::vector<vertex> & out,
                        std::vector<object> const & objs) {
  out.reserve(out.size() + 6 * objs.size());
  for (object const & obj : objs) {
    ::vertices(out, obj);
  }
}