Added camera zooming.

docs/config.example.yml

@@ -7,9 +7,9 @@ WinName: Assignment 2 - Cube
 ClearColor: 0.4   0.4   0.5   1.0
 
 FOV: 88.0
-MaxFOV: 88.2
-MinFOV: 87.97
-ZoomSensitivity: 0.0
+MaxFOV: 160.0
+MinFOV: 20.0
+ZoomSensitivity: 0.2
 LookSensitivity: 0.084
 PanSensitivity: 0.3
 NearClip: 0.1

src/EntityCamera.cpp

@@ -59,6 +59,21 @@ glm::mat4 EntityCamera::getViewMatrix(glm::mat4 parentModelMatrix)
 
 void EntityCamera::checkInput()
 {
+    // Zooming:
+    if (Input::m_navKeyPressed[N] && m_FOV < glm::radians(C::MaxFOV))
+    {
+        m_FOV += glm::radians(C::ZoomSensitivity);
+        LOG_DEBUG("Changing camera FOV: %f", glm::degrees(m_FOV));
+        m_cameraTransform.projectionMatrix = glm::perspective(m_FOV, m_aspectRatio, m_nearClip, m_farClip);
+    }
+    if (Input::m_navKeyPressed[M] && m_FOV > glm::radians(C::MinFOV))
+    {
+        m_FOV -= glm::radians(C::ZoomSensitivity);
+        LOG_DEBUG("Changing camera FOV: %f", glm::degrees(m_FOV));
+        m_cameraTransform.projectionMatrix = glm::perspective(m_FOV, m_aspectRatio, m_nearClip, m_farClip);
+    }
+
+    // Moving camera.
     switch (m_cameraMode)
     {
         case FREELOOK: