Changes in mygame.cpp [1f63bdb:92bc4fe] in opengl-game

File:

• mygame.cpp (modified) (7 diffs)

mygame.cpp

@@ +1 @@
+// Include standard headers
 #include <stdio.h>
 #include <stdlib.h>
@@ -5 +6 @@
 using namespace std;
 
+// Include GLEW
 #include <GL/glew.h>
 
+// Include GLFW
 #include <GLFW/glfw3.h>
 GLFWwindow* window;
 
+// Include GLM
 #include <glm/glm.hpp>
 #include <glm/gtc/matrix_transform.hpp>
@@ -17 +21 @@
 #include "common/controls.hpp"
 
-int main(int argc, char* argv[]) {
-        if (!glfwInit()) {
-                cerr << "Failed to initialize GLFW" << endl;;
+int main( void )
+{
+        // Initialise GLFW
+        if( !glfwInit() )
+        {
+                fprintf( stderr, "Failed to initialize GLFW\n" );
                 getchar();
                 return -1;
@@ -34 +41 @@
   // Open a window and create its OpenGL context
   window = glfwCreateWindow(mode->width, mode->height, "My Space Game", glfwGetPrimaryMonitor(), NULL);
-        if (window == NULL) {
-                cerr << "Failed to open GLFW window. If you have an Intel GPU, they are not 3.3 compatible. Try the 2.1 version of the tutorials." << endl;
+        if( window == NULL ){
+                fprintf( stderr, "Failed to open GLFW window. If you have an Intel GPU, they are not 3.3 compatible. Try the 2.1 version of the tutorials.\n" );
                 getchar();
                 glfwTerminate();
@@ -46 +53 @@
         glewExperimental = true; // Needed for core profile
         if (glewInit() != GLEW_OK) {
-                cout << "Failed to initialize GLEW\n" << endl;
+                fprintf(stderr, "Failed to initialize GLEW\n");
                 getchar();
                 glfwTerminate();
@@ -214 +221 @@
   do {
 
+    // Clear the screen
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
+    // Use our shader
     glUseProgram(programID);
 
@@ -223 +232 @@
     glm::mat4 Projection = glm::perspective(45.0f, 4.0f / 3.0f, 0.1f, 100.0f);
 
+    // Camera matrix
+    /*
+    glm::mat4 View       = glm::lookAt(
+                                                                glm::vec3(4,3,-3), // Camera is at (4,3,-3), in World Space
+                                                                glm::vec3(0,0,0), // and looks at the origin
+                                                                glm::vec3(0,1,0)  // Head is up (set to 0,-1,0 to look upside-down)
+                                                   );
+    */
     glm::mat4 View = getViewMatrix();