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/* ----------------------------------------------------------------------------
* window.cpp
*
* Copyright (c) 2017 Yann Herklotz Grave <ymherklotz@gmail.com> -- MIT License
* See file LICENSE for more details
* ----------------------------------------------------------------------------
*/
#include "window.h"
#include <stdexcept>
namespace yage
{
void key_callback(GLFWwindow *window, int key, int scanCode, int action, int mods)
{
if(key == GLFW_KEY_E && action == GLFW_PRESS) {
glClearColor(0.5f, 0.f, 0.f, 1.f);
} else {
glClearColor(0.f, 0.5f, 0.f, 1.f);
}
}
Window::Window() = default;
Window::~Window()
{
glfwDestroyWindow(window_);
glfwTerminate();
}
void Window::create(std::string window_name, int width, int height)
{
if(glfwInit() == GLFW_FALSE) {
throw std::runtime_error("GLFW Initialisation failed");
}
glfwWindowHint(GLFW_VERSION_MAJOR, 4);
glfwWindowHint(GLFW_VERSION_MINOR, 5);
window_ =
glfwCreateWindow(width, height, window_name.c_str(), nullptr, nullptr);
if (window_ == nullptr) {
throw std::runtime_error("GLFW Window creation failed");
}
// initialize the gl context
glfwMakeContextCurrent(window_);
// initialize glad
gladLoadGLLoader((GLADloadproc) glfwGetProcAddress);
// set key callback
glfwSetKeyCallback(window_, key_callback);
// set vsync on
glfwSwapInterval(1);
// set the clear color to black
glClearColor(0.f, 0.5f, 0.f, 1.f);
// set alpha blending
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// set the clear depth
glClearDepth(1.f);
}
void Window::swapBuffer()
{
// swap the window buffer
glfwSwapBuffers(window_);
}
void Window::clearBuffer()
{
// clears buffer with clear color
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
void Window::hide()
{
glfwHideWindow(window_);
}
void Window::show()
{
glfwShowWindow(window_);
}
bool Window::shouldClose()
{
return glfwWindowShouldClose(window_);
}
void Window::pollEvents() const
{
glfwPollEvents();
}
} // namespace yage
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