Imgui_layer.h

#pragma once

#include "imgui.h"
#include "imgui_impl_glfw.h"
#include "imgui_impl_opengl3.h"

#include "Shader.h"


class Imgui_layer
{
public:
	float merge = 0.0f;

	void Init(GLFWwindow* window)
	{
		IMGUI_CHECKVERSION();
		ImGui::CreateContext();
		ImGuiIO& io = ImGui::GetIO();
		
		ImGui_ImplGlfw_InitForOpenGL(window, true);
		ImGui_ImplOpenGL3_Init("#version 460");
		ImGui::StyleColorsDark();
	}

	void NewFrame()
	{
		ImGui_ImplOpenGL3_NewFrame();
		ImGui_ImplGlfw_NewFrame();
		ImGui::NewFrame();
	}

	void Update(float time)
	{		
		ImGui::Begin("ImGUI window");
		ImGui::Text("it's working here");
		
		//shader.setFloat("model", merg);
		ImGui::SliderFloat("FPS:", &time, 150.0f, 300.0f);

		ImGui::End();
	}

	void Render()
	{
		ImGui::Render();
		ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
	}

	void ShutDown()
	{
		ImGui_ImplOpenGL3_Shutdown();
		ImGui_ImplGlfw_Shutdown();
		ImGui::DestroyContext();
	}
	
};