feat: assignment 2

src/entity.cpp

@@ -0,0 +1,13 @@
+#include "entity.h"
+
+Entity::Entity()
+    : position_(0.0f, 0.0f, 0.0f)
+    , rotation_(0.0f, 0.0f, 0.0f)
+    , scale_(1.0f, 1.0f, 1.0f)
+{
+}
+
+void Entity::move(const glm::vec3& vec)
+{
+	position_ += vec;
+}