update

main.cpp

@@ -215,6 +215,10 @@ private:
         glBindVertexArray(0);
     }
 
+    void initHeatmapGeometry_() {
+
+    }
+
     bool initBgProgram() {
         auto vshader = std::make_unique<LOpenGLShader>(LOpenGLShader::ShaderType::Vertex);
         auto fshader = std::make_unique<LOpenGLShader>(LOpenGLShader::ShaderType::Fragment);
@@ -275,6 +279,12 @@ private:
         return true;
     }
 
+    bool initHeatmapProgram() {
+        auto vshader = std::make_unique<LOpenGLShader>(LOpenGLShader::ShaderType::Vertex);
+        auto fshader = std::make_unique<LOpenGLShader>(LOpenGLShader::ShaderType::Fragment);
+        
+    }
+
     void drawBg() {
         if (!bgProg_ || !bgVao_ || !bgVbo_) {
             std::cout << "check !bgProg_ || !bgVao_ || !bgVbo_ failed\n";
@@ -291,7 +301,7 @@ private:
         glBindVertexArray(0);
 
         glEnable(GL_DEPTH_TEST);
-    }
+    }   
 
     void drawPanel() {
         if (!panelProg_ || !panelVao_ || !panelVbo_ || !panelIbo_) {
@@ -435,6 +445,11 @@ private:
     float panelHeight_ = 0.35;
     float panelDepth_ = 0.05;
 
+    std::unique_ptr<LOpenGLProgram> heatmapProg_;
+    std::string heatmapVertShaderPath_;
+    std::string heatmapFragShaderPath_;
+    unsigned int heatmapVao_ = 0;
+    unsigned int heatmapVbo_ = 0;
 
     ViewPort viewport_{800, 600};
     Camera camera_{glm::vec3(0.0f, 0.0f, 2.0f)};