added more camera movement

src/main.cpp

@@ -10,6 +10,7 @@
 #include "Shader.hpp"
 #define STB_IMAGE_IMPLEMENTATION
 #include "Camera.hpp"
+#include "FPS_Camera.hpp"
 #include "stb_image.hpp"
 #include "glm/glm.hpp"
 #include "glm/ext/matrix_transform.hpp"
@@ -92,6 +93,7 @@ int main() {
     );
 
     SDL_GLContext context = SDL_GL_CreateContext(window);
+    SDL_SetWindowRelativeMouseMode(window, true);
 
     GLenum err = glewInit();
     if (err != GLEW_OK) {
@@ -170,7 +172,7 @@ int main() {
     auto model = glm::mat4(1.0f);
     model = glm::scale(model, glm::vec3(1.2f));
 
-    Camera camera(90.0f, 800.0f, 600.0f);
+    FPSCamera camera(90.0f, 800.0f, 600.0f);
     camera.translate(glm::vec3(0.0f, 0.0f, 5.0f));
     camera.update();
 
@@ -182,6 +184,7 @@ int main() {
     //glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
 
     float time = 0.0f;
+    float cameraSpeed = 6.0f;
 
     bool running = true;
     SDL_Event e;
@@ -211,6 +214,8 @@ int main() {
                     case SDLK_D: btnD = false; break;
                     default: break;
                 }
+            } else if (e.type == SDL_EVENT_MOUSE_MOTION) {
+                camera.onMouseMoved(e.motion.xrel, e.motion.yrel);
             }
         }
 
@@ -219,16 +224,16 @@ int main() {
         time += delta;
 
         if (btnW) {
-            camera.translate(glm::vec3(0.0f, 0.0f, -2.0f*delta));
+            camera.moveFront(delta * cameraSpeed);
         }
         if (btnS) {
-            camera.translate(glm::vec3(0.0f, 0.0f, 2.0f*delta));
+            camera.moveFront(- delta * cameraSpeed);
         }
         if (btnA) {
-            camera.translate(glm::vec3(-1.0f*delta, 0.0f, 0.0f));
+            camera.moveSideways(- delta * cameraSpeed);
         }
         if (btnD) {
-            camera.translate(glm::vec3(1.0f*delta, 0.0f, 0.0f));
+            camera.moveSideways(delta * cameraSpeed);
         }
 
         camera.update();