Created DungeonEditor and Canvas

src/gui/canvas.h

@@ -0,0 +1,30 @@
+#ifndef YAZE_GUI_CANVAS_H
+#define YAZE_GUI_CANVAS_H
+
+#include <imgui/imgui.h>
+
+#include <cmath>
+#include <string>
+
+namespace yaze {
+namespace gui {
+class Canvas {
+ public:
+  Canvas() = default;
+
+  void Update();
+
+ private:
+  bool enable_grid_ = true;
+  bool enable_context_menu_ = true;
+  bool dragging_select_ = false;
+
+  std::string title_;
+
+  ImVector<ImVec2> points_;
+  ImVec2 scrolling_;
+};
+}  // namespace gui
+}  // namespace yaze
+
+#endif