initgame.cpp

#include "controls.cpp"


void reshapeWindow (GLFWwindow* window, int width, int height){
	int fbwidth=width, fbheight=height;
	glfwGetFramebufferSize(window, &fbwidth, &fbheight);
	GLfloat fov = 90.0f;
	glViewport (0, 0, (GLsizei) fbwidth, (GLsizei) fbheight);
	Matrices.projection = glm::frustum(-77.0f, 77.0f, -60.0f, 60.0f, 150.0f, 500.0f);
}


GLFWwindow* initGLFW (int width, int height)
{
	GLFWwindow* window; // window desciptor/handle

	glfwSetErrorCallback(error_callback);
	if (!glfwInit()) {
		exit(EXIT_FAILURE);
	}

	glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
	glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
	glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
	glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);

	window = glfwCreateWindow(width, height, "Sample OpenGL 3.3 Application", NULL, NULL);

	if (!window) {
		glfwTerminate();
		exit(EXIT_FAILURE);
	}

	glfwMakeContextCurrent(window);
	gladLoadGLLoader((GLADloadproc) glfwGetProcAddress);
	glfwSwapInterval( 1 );

	/* --- register callbacks with GLFW --- */

	/* Register function to handle window resizes */
	/* With Retina display on Mac OS X GLFW's FramebufferSize
	   is different from WindowSize */
	glfwSetFramebufferSizeCallback(window, reshapeWindow);
	glfwSetWindowSizeCallback(window, reshapeWindow);

	/* Register function to handle window close */
	glfwSetWindowCloseCallback(window, quit);

	/* Register function to handle keyboard input */
	glfwSetKeyCallback(window, keyboard);      // general keyboard input
	glfwSetCharCallback(window, keyboardChar);  // simpler specific character handling

	/* Register function to handle mouse click */
	glfwSetMouseButtonCallback(window, mouseButton);  // mouse button clicks

	return window;
}

/* Initialize the OpenGL rendering properties */
/* Add all the models to be created here */
void initGL (GLFWwindow* window, int width, int height)
{
	/* Objects should be created before any other gl function and shaders */
	// Create the models
	createCircle (); // Generate the VAO, VBOs, vertices data & copy into the array buffer
	createRectangle ();
	createPerson();
	createPlatform();
	chances();

	// Create and compile our GLSL program from the shaders
	programID = LoadShaders( "Sample_GL.vert", "Sample_GL.frag" );
	// Get a handle for our "MVP" uniform
	Matrices.MatrixID = glGetUniformLocation(programID, "MVP");


	reshapeWindow (window, width, height);

	// Background color of the scene
	glClearColor (0.2f, 0.2f, 0.8f, 0.0f); // R, G, B, A
	glClearDepth (1.0f);

	glEnable (GL_DEPTH_TEST);
	glDepthFunc (GL_LEQUAL);

	cout << "VENDOR: " << glGetString(GL_VENDOR) << endl;
	cout << "RENDERER: " << glGetString(GL_RENDERER) << endl;
	cout << "VERSION: " << glGetString(GL_VERSION) << endl;
	cout << "GLSL: " << glGetString(GL_SHADING_LANGUAGE_VERSION) << endl;
}