GLFWv3WindowResize.cpp

/*
MINX - A C++ Graphics and Input Wrapper Library ( http://github.com/GearChicken/MINX )
Copyright (C) 2013-2014  MINX Team

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

*/

// GLFW Resize Window Callback WITHOUT Scaling

void windowResizeCallback(GLFWwindow* window, int width, int height)
{
	if (!width || !height) //If the width or height are 0, return
	{
		return;
	}
	
	//Set the Width and Height to the new values
	GameWindow::SetWidth(width);
	GameWindow::SetHeight(height);
	glfwSetWindowSize(window, GameWindow::GetWidth(), GameWindow::GetHeight());
	
	//IMPORTANT
	//  Set the GL viewport to scale up/down to the new Width and Height
	//  If this is not included then the textures will appear to scale
	//  inversely corresponding to the change in window size
	glViewport(0, 0, GameWindow::GetWidth(), GameWindow::GetHeight());
}