Changeset 92bc4fe in opengl-game for mygame.cpp

Timestamp:

Jun 25, 2017, 7:15:12 PM (7 years ago)

Author:

Dmitry Portnoy <dmitry.portnoy@…>

Branches:

feature/imgui-sdl, master, points-test

Children:

fe70cd3

Parents:

8a6d19d

Message:

Make the game window fullscreen, hide the mouse cursor, and change the view to an overhead one as the player moves around the scene

File:

• mygame.cpp (modified) (5 diffs)

mygame.cpp

@@ -2 +2 @@
 #include <stdio.h>
 #include <stdlib.h>
+
+#include <iostream>
+using namespace std;
 
 // Include GLEW
@@ -34 +37 @@
         glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
 
-        // Open a window and create its OpenGL context
-        window = glfwCreateWindow( 1024, 768, "Tutorial 04 - Colored Cube", NULL, NULL);
+  const GLFWvidmode* mode = glfwGetVideoMode(glfwGetPrimaryMonitor());
+
+  // Open a window and create its OpenGL context
+  window = glfwCreateWindow(mode->width, mode->height, "My Space Game", glfwGetPrimaryMonitor(), NULL);
         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" );
@@ -43 +48 @@
         }
         glfwMakeContextCurrent(window);
+  glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_HIDDEN);
 
         // Initialize GLEW
@@ -213 +219 @@
         glBufferData(GL_ARRAY_BUFFER, sizeof(g_color_buffer_data), g_color_buffer_data, GL_STATIC_DRAW);
 
-        do {
-
-                // Clear the screen
-                glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-                // Use our shader
-                glUseProgram(programID);
-
-                computeMatricesFromInputs();
+  do {
+
+    // Clear the screen
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    // Use our shader
+    glUseProgram(programID);
+
+    computeMatricesFromInputs(mode->width, mode->height);
 
     // Projection matrix : 45� Field of View, 4:3 ratio, display range : 0.1 unit <-> 100 units
@@ -239 +245 @@
 
     // Remember, matrix multiplication is the other way around
-          glm::mat4 MVP = Projection * View * Model;
+    glm::mat4 MVP = Projection * View * Model;
 
     // Send our transformation to the currently bound shader,
-                // in the "MVP" uniform
-                glUniformMatrix4fv(MatrixID, 1, GL_FALSE, &MVP[0][0]);
-
-                // 1rst attribute buffer : vertices
-                glEnableVertexAttribArray(0);
-                glBindBuffer(GL_ARRAY_BUFFER, vertexbuffer);
-                glVertexAttribPointer(
-                        0,                  // attribute. No particular reason for 0, but must match the layout in the shader.
-                        3,                  // size
-                        GL_FLOAT,           // type
-                        GL_FALSE,           // normalized?
-                        0,                  // stride
-                        (void*)0            // array buffer offset
-                );
-
-                // 2nd attribute buffer : colors
-                glEnableVertexAttribArray(1);
-                glBindBuffer(GL_ARRAY_BUFFER, colorbuffer);
-                glVertexAttribPointer(
-                        1,                                // attribute. No particular reason for 1, but must match the layout in the shader.
-                        3,                                // size
-                        GL_FLOAT,                         // type
-                        GL_FALSE,                         // normalized?
-                        0,                                // stride
-                        (void*)0                          // array buffer offset
-                );
-
-                // Draw the triangle !
-                glDrawArrays(GL_TRIANGLES, 0, 12*3+18); // 12*3 indices starting at 0 -> 12 triangles
-
-                glDisableVertexAttribArray(0);
-                glDisableVertexAttribArray(1);
-
-                // Swap buffers
-                glfwSwapBuffers(window);
-                glfwPollEvents();
-
-        } // Check if the ESC key was pressed or the window was closed
-        while( glfwGetKey(window, GLFW_KEY_ESCAPE ) != GLFW_PRESS &&
-                   glfwWindowShouldClose(window) == 0 );
+    // in the "MVP" uniform
+    glUniformMatrix4fv(MatrixID, 1, GL_FALSE, &MVP[0][0]);
+
+    // 1rst attribute buffer : vertices
+    glEnableVertexAttribArray(0);
+    glBindBuffer(GL_ARRAY_BUFFER, vertexbuffer);
+    glVertexAttribPointer(
+      0,                  // attribute. No particular reason for 0, but must match the layout in the shader.
+      3,                  // size
+      GL_FLOAT,           // type
+      GL_FALSE,           // normalized?
+      0,                  // stride
+      (void*)0            // array buffer offset
+    );
+
+    // 2nd attribute buffer : colors
+    glEnableVertexAttribArray(1);
+    glBindBuffer(GL_ARRAY_BUFFER, colorbuffer);
+    glVertexAttribPointer(
+      1,                                // attribute. No particular reason for 1, but must match the layout in the shader.
+      3,                                // size
+      GL_FLOAT,                         // type
+      GL_FALSE,                         // normalized?
+      0,                                // stride
+      (void*)0                          // array buffer offset
+    );
+
+    // Draw the triangle !
+    glDrawArrays(GL_TRIANGLES, 0, 12*3+18); // 12*3 indices starting at 0 -> 12 triangles
+
+    glDisableVertexAttribArray(0);
+    glDisableVertexAttribArray(1);
+
+    // Swap buffers
+    glfwSwapBuffers(window);
+    glfwPollEvents();
+
+  // Check if the ESC key was pressed or the window was closed
+  } while( glfwGetKey(window, GLFW_KEY_ESCAPE ) != GLFW_PRESS && glfwWindowShouldClose(window) == 0 );
 
         // Cleanup VBO and shader