Slight fps increas by reducing the amount the point lights have to render.

game/graphics.cc

@@ -361,7 +361,7 @@ void Graphics::render(double time)
             depthCubeShader->setUniform("farPlane", farPlane);
             // render depth textures for point lights
             glViewport(0, 0, cube_size, cube_size);
-            glm::mat4 depthProjectionMatrix_pointlights = glm::perspective(1.571f, (float)cube_size/(float)cube_size, 0.1f,  farPlane);
+            glm::mat4 depthProjectionMatrix_pointlights = glm::perspective(1.571f, (float)cube_size/(float)cube_size, 0.1f,  50.0f);
             glm::vec3 looking_directions[6] = {glm::vec3(1.0f, 0.0f, 0.0f), glm::vec3(-1.0f, 0.0f, 0.0f), glm::vec3(0.0f, 1.0f, 0.0f),
                 glm::vec3(0.0f, -1.0f, 0.0f), glm::vec3(0.0f, 0.0f, 1.0f), glm::vec3(0.0f, 0.0f, -1.0f)};
             glm::vec3 upvectors[6] = {glm::vec3(0.0f, -1.0f, 0.0f),glm::vec3(0.0f, -1.0f, 0.0f),glm::vec3(0.0f, 0.0f, -1.0f),

game/level.cc

@@ -61,6 +61,9 @@ void Level::render(ACGL::OpenGL::SharedShaderProgram shader, bool lightingPass,
     else {
         renderDistance = ((((int)skydomeSize)+chunkSize/2)/chunkSize) + 1;
     }
+    if(!lightingPass) {
+        renderDistance = 1;
+    }
     int xPosition = ((int)cameraCenter->getPosition().x + (terrain.getHeightmapWidth()/2))/chunkSize;
     int zPosition = ((int)cameraCenter->getPosition().z + (terrain.getHeightmapHeight()/2))/chunkSize;
     int xStart = xPosition - renderDistance;

game/loader.cc

@@ -2,7 +2,7 @@
 #include <ACGL/OpenGL/Objects/VertexArrayObject.hh>
 using namespace tinyxml2;
 
-const int chunkSize = 30;
+const int chunkSize = 25;
 
 Loader::Loader() {
 }