添加ui_editor编辑器模块初始代码

ui_editor/src/panels/GameViewPanel.cpp

@@ -0,0 +1,31 @@
+#include "GameViewPanel.h"
+#include <imgui.h>
+#include <imgui_internal.h>
+
+namespace UI {
+
+GameViewPanel::GameViewPanel() : Panel("Game") {}
+
+void GameViewPanel::Render() {
+    ImGui::Begin(m_name.c_str(), nullptr, ImGuiWindowFlags_None);
+    
+    RenderGameView();
+    
+    ImGui::End();
+}
+
+void GameViewPanel::RenderGameView() {
+    ImVec2 canvasSize = ImGui::GetContentRegionAvail();
+    ImDrawList* drawList = ImGui::GetWindowDrawList();
+    ImVec2 canvasPos = ImGui::GetCursorScreenPos();
+    
+    ImU32 bgColor = IM_COL32(20, 20, 25, 255);
+    drawList->AddRectFilled(canvasPos, ImVec2(canvasPos.x + canvasSize.x, canvasPos.y + canvasSize.y), bgColor);
+    
+    const char* text = "Game View (Press Play)";
+    ImVec2 textSize = ImGui::CalcTextSize(text);
+    ImVec2 textPos(canvasPos.x + (canvasSize.x - textSize.x) * 0.5f, canvasPos.y + (canvasSize.y - textSize.y) * 0.5f);
+    drawList->AddText(textPos, IM_COL32(128, 128, 128, 255), text);
+}
+
+}