Moving on to cubemaps.

24-cubemaps/src/scene.cpp

@@ -0,0 +1,75 @@
+#include "scene.hpp"
+#include "dbc.hpp"
+#include <math.h>
+
+void Scene::update() {
+  float currentFrame = glfwGetTime();
+  deltaTime = currentFrame - lastFrame;
+  lastFrame = currentFrame;
+
+  // for now just detect the camera moved and do spotlight update
+  if(camera.dirty) {
+    light.camera.position = camera.position;
+    light.camera.direction = camera.front;
+    // just update the camera's light
+    shader.apply_spot_light(light.camera, 0);
+    camera.dirty = false;
+  }
+
+  camera.update(deltaTime);
+}
+
+void Scene::draw_thing(Shader& with_shader, Thing& thing)
+{
+  with_shader.apply_material(thing.material);
+
+  glm::mat4 model = glm::mat4(1.0f);
+  model = glm::translate(model, thing.position);
+  model = glm::rotate(model, glm::radians(thing.rotation.angle), thing.rotation.axes);
+  model = glm::scale(model, glm::vec3(thing.scale));
+
+  with_shader.setMat4("model", model);
+
+  thing.model.draw(with_shader);
+}
+
+void Scene::render(GLFWwindow* window) {
+  glm::mat4 view = camera.look_at();
+  glm::mat4 projection = glm::mat4(1.0f);
+
+  // fov, aspect, near plane, far plane
+  projection = glm::perspective(glm::radians(camera.fov), (float)SCR_WIDTH / (float)SCR_HEIGHT, 0.1f, 100.0f);
+
+  framebuffer.begin();
+
+  // render the scene
+  shader.use();
+  shader.setMat4("view", view);
+  shader.setMat4("projection", projection);
+
+  for(auto& thing : things) {
+    draw_thing(shader, thing);
+  }
+
+  framebuffer.commit();
+
+  framebuffer.draw(screen);
+}
+
+void Scene::cleanup() {
+  shader.cleanup();
+}
+
+void Scene::spawn(const std::string& name, components::Position& position, components::Rotation& rotation) {
+  if(models.contains(name)) {
+    things.emplace_back(
+          name,
+          models.at(name),
+          materials.at("default"),
+          position,
+          rotation,
+          1.0f);
+  } else {
+    dbc::log($F("No model named: {}", name));
+  }
+}