added ability to resize models so I don't have to tinker with gun model.

src/Model.cpp

@@ -20,6 +20,15 @@ void Model::translate(glm::vec3 translation) {
   // set model transform
   this->model = glm::translate(glm::mat4(1.0f), glm::vec3(this->position));
 }
+void Model::resize(glm::vec3 scale) {
+  // set worldspace postition
+  glm::mat4 transMatrix =
+      glm::translate(glm::mat4(1.0f), glm::vec3(this->position));
+  this->scale = scale;
+
+  // set model transform
+  this->model = glm::scale(transMatrix, glm::vec3(this->scale));
+}
 
 void Model::loadModel(std::string path) {
   // Attempt to import model data using assimp

src/Model.h

@@ -23,6 +23,8 @@ private:
 
   // Position
   glm::vec4 position = glm::vec4(0.0f, 0.0f, 0.0f, 1.0f);
+  // Scale
+  glm::vec3 scale = glm::vec3(1.0f, 1.0f, 1.0f);
 
   // Load in models using assimp
   void loadModel(std::string path);
@@ -52,6 +54,8 @@ public:
 
   // Translate the model
   void translate(glm::vec3 translation);
+  // Scale the model
+  void resize(glm::vec3 scale);
 
   ~Model();
 };

src/main.cpp

@@ -74,7 +74,9 @@ int main(int argc, char **argv) {
   Model cube(ROOT_DIR "data/models/cube/cube.obj");
   Model gun(ROOT_DIR "data/models/gun/Cerberus_LP.FBX");
   cube.translate(glm::vec3(3.0f, 0.0f, -1.0f));
-  gun.translate(glm::vec3(-3.0f, 0.0f, 0.0f));
+  backpack.translate(glm::vec3(-3.0f, 0.0f, 0.0f));
+  gun.translate(glm::vec3(0.0f, 1.0f, 0.0f));
+  gun.resize(glm::vec3(0.02f, 0.02f, 0.02f));
 
   // Create player camera object
   PlayerCamera camera;