objects add into active depth

src/edit/include/edit/editor.hpp

@@ -9,6 +9,7 @@
 #include <osi/window.hpp>
 #include <utils/math.hpp>
 
+#include <array>
 #include <memory>
 
 using ctrlhub_ptr = std::shared_ptr<ControlHub>;
@@ -19,10 +20,29 @@ namespace edit
 
     enum class state { select, move, rotate, plus };
 
+class Level
+{
+    std::array<float, 3> axes = {0.0f, 0.0f, 0.0f};
+
+    std::uint8_t active = 2;
+
+public:
+    std::uint8_t getActiveIndex() const { return active; }
+    float getActive() const { return axes[active]; }
+    void setActiveX() { active = 0; }
+    void setActiveY() { active = 1; }
+    void setActiveZ() { active = 2; }
+
+    Level& operator++() { ++axes[active]; return *this; }
+    Level& operator--() { --axes[active]; return *this; }
+};
+
+
 class Editor
 {
     bool editor_running = false;
     state control_state = state::select;
+    Level build_level;
 
     bool object_moving = false;
     glm::vec3 prev_plane_intersect;

src/edit/src/editor.cpp

@@ -90,9 +90,16 @@ void Editor::addObject(scene_ptr scene, ctrlhub_ptr controls)
 
     auto [ ray_position , ray_direction ] = get_pick_ray(scene, mouse, window);
 
-    float distance = glm::length(ray_position - position);
+    bool cam_is_perspective = scene->getActiveCameras()[0].lock()->isPerspective();
+    float distance = cam_is_perspective
+                     ? glm::length(ray_position - position)
+                     : 1.0f;
     
     auto new_item_pos = ray_position + distance * ray_direction;
+
+    if (!cam_is_perspective)
+        new_item_pos[build_level.getActiveIndex()] = build_level.getActive();
+
     Frame new_item_frame(new_item_pos, rotation, scale);
     Node selection_copy(std::make_shared<Frame>(new_item_frame));