feat(close #14): Implement camera, cube, and input system

editor/resources/shaders/fragment.glsl

@@ -1,10 +1,10 @@
 #version 330 core
-out vec4 fragColor;
+out vec4 FragColor;
 
 in vec3 ourColor;
 uniform vec3 color;
 
 void main()
 {
-    fragColor = vec4(color, 1.0f) * vec4(ourColor, 1.0f);
+    FragColor = vec4(ourColor, 1.0) * vec4(color, 1.0);
-}
+}

editor/resources/shaders/vertex.glsl

@@ -1,13 +1,15 @@
 #version 330 core
-layout (location = 0) in vec3 aPos;
+layout(location = 0) in vec3 aPos;
-layout (location = 1) in vec3 aColor;
+layout(location = 1) in vec3 aColor;
-
-uniform mat4 transform;
 
 out vec3 ourColor;
 
+uniform mat4 model;
+uniform mat4 view;
+uniform mat4 projection;
+
 void main()
 {
-    gl_Position = transform * vec4(aPos, 1.0f);
+    gl_Position = projection * view * model * vec4(aPos, 1.0);
     ourColor = aColor;
-}
+}

engine/include/Camera.h

@@ -0,0 +1,65 @@
+#pragma once
+
+#include <glad/glad.h>
+#include <glm/glm.hpp>
+#include <glm/gtc/matrix_transform.hpp>
+
+enum CameraMovement {
+    FORWARD,
+    BACKWARD,
+    LEFT,
+    RIGHT,
+    UP,
+    DOWN
+};
+
+const float YAW         = -90.0f;
+const float PITCH       =  0.0f;
+const float SPEED       =  2.5f;
+const float SENSITIVITY =  0.1f;
+const float ZOOM        =  45.0f;
+
+class Camera
+{
+public:
+    // Camera Attributes
+    glm::vec3 Position;
+    glm::vec3 Front;
+    glm::vec3 Up;
+    glm::vec3 Right;
+    glm::vec3 WorldUp;
+    // Euler Angles
+    float Yaw;
+    float Pitch;
+    // Camera options
+    float MovementSpeed;
+    float MouseSensitivity;
+    float Zoom;
+
+    Camera(glm::vec3 position = glm::vec3(0.0f, 0.0f, 0.0f), glm::vec3 up = glm::vec3(0.0f, 1.0f, 0.0f), float yaw = YAW, float pitch = PITCH) : Front(glm::vec3(0.0f, 0.0f, -1.0f)), MovementSpeed(SPEED), MouseSensitivity(SENSITIVITY), Zoom(ZOOM)
+    {
+        Position = position;
+        WorldUp = up;
+        Yaw = yaw;
+        Pitch = pitch;
+        UpdateCameraVectors();
+    }
+    Camera(float posX, float posY, float posZ, float upX, float upY, float upZ, float yaw, float pitch) : Front(glm::vec3(0.0f, 0.0f, -1.0f)), MovementSpeed(SPEED), MouseSensitivity(SENSITIVITY), Zoom(ZOOM)
+    {
+        Position = glm::vec3(posX, posY, posZ);
+        WorldUp = glm::vec3(upX, upY, upZ);
+        Yaw = yaw;
+        Pitch = pitch;
+        UpdateCameraVectors();
+    }
+
+    glm::mat4 GetViewMatrix() const;
+    glm::mat4 LookAt(glm::vec3 position, glm::vec3 direction, glm::vec3 up);
+
+    void ProcessKeyboard(CameraMovement direction, float deltaTime);
+    void ProcessMouseMovement(float xoffset, float yoffset, GLboolean constrainPitch = true);
+    void ProcessMouseScroll(float yoffset);
+
+private:
+    void UpdateCameraVectors();
+};

engine/include/IndexBuffer.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#include <glad/glad.h>
+
+class IndexBuffer
+{
+public:
+    IndexBuffer();
+    ~IndexBuffer();
+
+    static IndexBuffer Create();
+
+    void Bind() const;
+    static void Unbind();
+    void SetData(int size, const void* data) const;
+    void Shutdown() const;
+
+private:
+    unsigned int m_IBO{};
+};

engine/include/Renderer.h

@@ -5,19 +5,22 @@
 #include <iostream>
 #include "VertexArray.h"
 #include "VertexBuffer.h"
+#include "IndexBuffer.h"
 #include "FrameBuffer.h"
 #include "Window.h"
 #include "Shader.h"
 #include "Texture.h"
 #include "UI.h"
+#include "Camera.h"
 
 struct RendererData
 {
     VertexArray* m_VAO;
     VertexBuffer* m_VBO;
+    IndexBuffer* m_IBO;
     FrameBuffer* m_FBO;
+    Camera* m_Camera;
     Shader* m_Shader;
-    Texture* m_Texture;
 };
 
 class Renderer
@@ -37,4 +40,13 @@ private:
 
     static void LoadShaders();
     static void SetupBuffers();
+    static void SetCallbacks();
+    static void ProcessInput(GLFWwindow* window);
+
+    static float deltaTime;
+    static float lastFrame;
+
+    static bool firstMouse;
+    static float lastX;
+    static float lastY;
 };

engine/include/UI.h

@@ -8,10 +8,11 @@
 
 struct InspectorData
 {
-    float m_Position[3];
+    glm::vec3 m_Position;
-    float m_Rotation[3];
+    glm::vec3 m_Rotation;
-    float m_Scale[3];
+    glm::vec3 m_Scale = {1.0f, 1.0f, 1.0f};
-    float m_Color[3] = {1.0f, 1.0f, 1.0f};
+    glm::vec3 m_ShaderColor = {1.0f, 1.0f, 1.0f};
+    glm::vec3 m_BgColor = {0.0, 0.1f, 0.2f};
 };
 
 class UI
@@ -37,4 +38,7 @@ public:
 
 private:
     static InspectorData s_Data;
+
+    static std::string m_Log;
+    static ImVec4* m_StyleColors;
 };

engine/src/Camera.cpp

@@ -0,0 +1,64 @@
+#include "Camera.h"
+
+glm::mat4 Camera::GetViewMatrix() const
+{
+    return glm::lookAt(Position, Position + Front, Up);
+}
+
+void Camera::ProcessKeyboard(CameraMovement direction, float deltaTime)
+{
+    float velocity = MovementSpeed * deltaTime;
+    if (direction == FORWARD)
+        Position += Front * velocity;
+    if (direction == BACKWARD)
+        Position -= Front * velocity;
+    if (direction == LEFT)
+        Position -= Right * velocity;
+    if (direction == RIGHT)
+        Position += Right * velocity;
+    if (direction == UP)
+        Position += Up * velocity;
+    if (direction == DOWN)
+        Position -= Up * velocity;
+}
+
+void Camera::ProcessMouseMovement(float xoffset, float yoffset, GLboolean constrainPitch)
+{
+    xoffset *= MouseSensitivity;
+    yoffset *= MouseSensitivity;
+
+    Yaw   += xoffset;
+    Pitch += yoffset;
+
+    // make sure that when pitch is out of bounds, screen doesn't get flipped
+    if (constrainPitch)
+    {
+        if (Pitch > 89.0f)
+            Pitch = 89.0f;
+        if (Pitch < -89.0f)
+            Pitch = -89.0f;
+    }
+
+    // update Front, Right and Up Vectors using the updated Euler angles
+    UpdateCameraVectors();
+}
+
+void Camera::ProcessMouseScroll(float yoffset)
+{
+    Zoom -= (float)yoffset;
+    if (Zoom < 1.0f)
+        Zoom = 1.0f;
+    if (Zoom > 45.0f)
+        Zoom = 45.0f;
+}
+
+void Camera::UpdateCameraVectors()
+{
+    glm::vec3 front;
+    front.x = cos(glm::radians(Yaw)) * cos(glm::radians(Pitch));
+    front.y = sin(glm::radians(Pitch));
+    front.z = sin(glm::radians(Yaw)) * cos(glm::radians(Pitch));
+    Front = glm::normalize(front);
+    Right = glm::normalize(glm::cross(Front, WorldUp));
+    Up    = glm::normalize(glm::cross(Right, Front));
+}

engine/src/Engine.cpp

@@ -9,7 +9,6 @@ Engine::Engine()
     m_Window = new Window();
 
     Renderer::Init();
-    UI::Init(m_Window->GetWindow());
 }
 
 Engine::~Engine()

engine/src/FrameBuffer.cpp

@@ -52,7 +52,7 @@ void FrameBuffer::RescaleFrameBuffer(int width, int height) const
 {
 	m_Texture->Bind();
 
-	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, nullptr);
+	Texture::ToImage(width, height, nullptr);
 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, m_Texture->GetID(), 0);

engine/src/IndexBuffer.cpp

@@ -0,0 +1,36 @@
+#include "IndexBuffer.h"
+
+IndexBuffer::IndexBuffer()
+{
+    glGenBuffers(1, &m_IBO);
+}
+
+IndexBuffer::~IndexBuffer()
+{
+    Shutdown();
+}
+
+IndexBuffer IndexBuffer::Create()
+{
+    return IndexBuffer{};
+}
+
+void IndexBuffer::Bind() const
+{
+    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_IBO);
+}
+void IndexBuffer::Unbind()
+{
+    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
+}
+
+void IndexBuffer::SetData(int size, const void* data) const
+{
+    Bind();
+    glBufferData(GL_ELEMENT_ARRAY_BUFFER, size, data, GL_STATIC_DRAW);
+}
+
+void IndexBuffer::Shutdown() const
+{
+    glDeleteBuffers(1, &m_IBO);
+}

engine/src/Renderer.cpp

@@ -4,6 +4,33 @@
 
 RendererData Renderer::s_Data;
 
+float Renderer::deltaTime = 0.0f;
+float Renderer::lastFrame = 0.0f;
+
+bool Renderer::firstMouse = true;
+float Renderer::lastX;
+float Renderer::lastY;
+
+float vertices[] = {
+    -0.5f, -0.5f, -0.5f,  1.0f, 0.0f, 0.0f,
+     0.5f, -0.5f, -0.5f,  0.0f, 1.0f, 0.0f,
+     0.5f,  0.5f, -0.5f,  0.0f, 0.0f, 1.0f,
+    -0.5f,  0.5f, -0.5f,  1.0f, 1.0f, 0.0f,
+    -0.5f, -0.5f,  0.5f,  0.0f, 1.0f, 1.0f,
+     0.5f, -0.5f,  0.5f,  1.0f, 0.0f, 1.0f,
+     0.5f,  0.5f,  0.5f,  1.0f, 1.0f, 1.0f,
+    -0.5f,  0.5f,  0.5f,  0.0f, 0.0f, 0.0f,
+};
+
+unsigned int indices[] = {
+    0, 1, 2, 2, 3, 0,
+    4, 5, 6, 6, 7, 4,
+    0, 1, 5, 5, 4, 0,
+    2, 3, 7, 7, 6, 2,
+    0, 3, 7, 7, 4, 0,
+    1, 2, 6, 6, 5, 1
+};
+
 Renderer::Renderer() = default;
 
 Renderer::~Renderer()
@@ -13,22 +40,17 @@ Renderer::~Renderer()
 
 void Renderer::Init()
 {
-    if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress)) {
+    if (!gladLoadGLLoader(reinterpret_cast<GLADloadproc>(glfwGetProcAddress))) {
         std::cerr << "Failed to initialize GLAD" << std::endl;
         return;
     }
 
+    UI::Init(Engine::Get().GetWindow().GetWindow());
+    s_Data.m_Camera = new Camera(glm::vec3(0.0f, 0.0f, 3.0f));
+
     LoadShaders();
     SetupBuffers();
-
+    SetCallbacks();
-    glfwSetWindowSizeCallback(Engine::Get().GetWindow().GetWindow(), [](GLFWwindow* window, int width, int height)
-    {
-        SetupBuffers();
-    });
-    glfwSetFramebufferSizeCallback(Engine::Get().GetWindow().GetWindow(), [](GLFWwindow* window, int width, int height)
-    {
-        glViewport(0, 0, width, height);
-    });
 }
 
 RendererData Renderer::GetData()
@@ -43,61 +65,144 @@ void Renderer::LoadShaders()
 
 void Renderer::SetupBuffers()
 {
-    float vertices[] = {
-         0.5f, -0.5f, 0.0f, 1.0f, 0.0f, 0.0f,
-        -0.5f, -0.5f, 0.0f, 0.0f, 1.0f, 0.0f,
-         0.0f,  0.5f, 0.0f, 0.0f, 0.0f, 1.0f
-    };
-
-    s_Data.m_FBO = new FrameBuffer();
-    WindowSize windowSize = Engine::Get().GetWindow().GetSize();
-    s_Data.m_FBO->AttachTexture(windowSize.Width, windowSize.Height);
-
     s_Data.m_VAO = new VertexArray();
     s_Data.m_VBO = new VertexBuffer();
+    s_Data.m_IBO = new IndexBuffer();
 
     s_Data.m_VAO->Bind();
 
     s_Data.m_VBO->SetData(sizeof(vertices), vertices);
+    s_Data.m_IBO->SetData(sizeof(indices), indices);
 
-    glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(float), (void*)0);
+    glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(float), nullptr);
     glEnableVertexAttribArray(0);
 
-    glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(float), (void*)(3 * sizeof(float)));
+    glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(float), reinterpret_cast<void*>(3 * sizeof(float)));
     glEnableVertexAttribArray(1);
 
     VertexArray::Unbind();
     VertexBuffer::Unbind();
+    IndexBuffer::Unbind();
+
+    s_Data.m_FBO = new FrameBuffer();
+    WindowSize windowSize = Engine::Get().GetWindow().GetSize();
+    s_Data.m_FBO->AttachTexture(windowSize.Width, windowSize.Height);
+    FrameBuffer::Unbind();
+}
+
+void Renderer::SetCallbacks()
+{
+    glfwSetWindowSizeCallback(Engine::Get().GetWindow().GetWindow(), [](GLFWwindow* window, int width, int height)
+    {
+        SetupBuffers();
+    });
+    glfwSetFramebufferSizeCallback(Engine::Get().GetWindow().GetWindow(), [](GLFWwindow* window, int width, int height)
+    {
+        glViewport(0, 0, width, height);
+    });
+    glfwSetScrollCallback(Engine::Get().GetWindow().GetWindow(), [](GLFWwindow* window, double xOffset, double yOffset)
+    {
+        s_Data.m_Camera->ProcessMouseScroll(static_cast<float>(yOffset));
+    });
 }
 
 void Renderer::Render() {
+    auto currentFrame = static_cast<float>(glfwGetTime());
+    deltaTime = currentFrame - lastFrame;
+    lastFrame = currentFrame;
+
     s_Data.m_FBO->Bind();
 
     glfwPollEvents();
-    glClearColor(0.0f, 0.1f, 0.2f, 1.0f);
+    ProcessInput(Engine::Get().GetWindow().GetWindow());
-    glClear(GL_COLOR_BUFFER_BIT);
+
+    glEnable(GL_DEPTH_TEST);
+    glm::vec3 color = UI::GetData().m_BgColor;
+    glClearColor(color.x, color.y, color.z, 1.0f);
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
     UI::Run();
 
     s_Data.m_Shader->Use();
-    auto transform = glm::mat4(1.0f);
+
-    transform = glm::translate(transform, glm::vec3(UI::GetData().m_Position[0], UI::GetData().m_Position[1], UI::GetData().m_Position[2]));
+    auto model = glm::mat4(1.0f);
-    glUniformMatrix4fv(s_Data.m_Shader->GetUniformLocation("transform"), 1, GL_FALSE, glm::value_ptr(transform));
+    model = glm::translate(model, UI::GetData().m_Position);
-    glUniform3fv(s_Data.m_Shader->GetUniformLocation("color"), 1, UI::GetData().m_Color);
+    if(glm::length(UI::GetData().m_Rotation) != 0)
+    model = glm::rotate(model, glm::radians(length(UI::GetData().m_Rotation)), normalize(UI::GetData().m_Rotation));
+    model = glm::scale(model, UI::GetData().m_Scale);
+    glm::mat4 view = s_Data.m_Camera->GetViewMatrix();
+
+    WindowSize size = Engine::Get().GetWindow().GetSize();
+    glm::mat4 projection = glm::perspective(glm::radians(45.0f), static_cast<float>(size.Width) / static_cast<float>(size.Height), 0.1f, 100.0f);
+
+    glUniformMatrix4fv(s_Data.m_Shader->GetUniformLocation("model"), 1, GL_FALSE, glm::value_ptr(model));
+    glUniformMatrix4fv(s_Data.m_Shader->GetUniformLocation("view"), 1, GL_FALSE, glm::value_ptr(view));
+    glUniformMatrix4fv(s_Data.m_Shader->GetUniformLocation("projection"), 1, GL_FALSE, glm::value_ptr(projection));
+    glUniform3fv(s_Data.m_Shader->GetUniformLocation("color"), 1, glm::value_ptr(UI::GetData().m_ShaderColor));
+
     s_Data.m_VAO->Bind();
-    glDrawArrays(GL_TRIANGLES, 0, 3);
+
-    FrameBuffer::Unbind();
+    glDrawElements(GL_TRIANGLES, 36, GL_UNSIGNED_INT, nullptr);
+
+    glBindFramebuffer(GL_FRAMEBUFFER, 0);
 
     UI::Render(*s_Data.m_FBO);
 
     glfwSwapBuffers(Engine::Get().GetWindow().GetWindow());
 }
 
+void Renderer::ProcessInput(GLFWwindow *window)
+{
+    if(glfwGetMouseButton(window, GLFW_MOUSE_BUTTON_2) == GLFW_PRESS)
+    {
+        double xPosIn, yPosIn;
+        glfwGetCursorPos(window, &xPosIn, &yPosIn);
+
+        auto xPos = static_cast<float>(xPosIn);
+        auto yPos = static_cast<float>(yPosIn);
+
+        if(firstMouse)
+        {
+            lastX = xPos;
+            lastY = yPos;
+            firstMouse = false;
+        }
+
+        float xOffset = xPos - lastX;
+        float yOffset = lastY - yPos;
+
+        lastX = xPos;
+        lastY = yPos;
+
+        s_Data.m_Camera->ProcessMouseMovement(xOffset, yOffset);
+
+        glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
+    }
+    else
+    {
+        glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_NORMAL);
+    }
+
+    if (glfwGetKey(window, GLFW_KEY_W) == GLFW_PRESS)
+        s_Data.m_Camera->ProcessKeyboard(FORWARD, deltaTime);
+    if (glfwGetKey(window, GLFW_KEY_S) == GLFW_PRESS)
+        s_Data.m_Camera->ProcessKeyboard(BACKWARD, deltaTime);
+    if (glfwGetKey(window, GLFW_KEY_A) == GLFW_PRESS)
+        s_Data.m_Camera->ProcessKeyboard(LEFT, deltaTime);
+    if (glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS)
+        s_Data.m_Camera->ProcessKeyboard(RIGHT, deltaTime);
+    if (glfwGetKey(window, GLFW_KEY_Q) == GLFW_PRESS)
+        s_Data.m_Camera->ProcessKeyboard(DOWN, deltaTime);
+    if (glfwGetKey(window, GLFW_KEY_E) == GLFW_PRESS)
+        s_Data.m_Camera->ProcessKeyboard(UP, deltaTime);
+
+}
+
 void Renderer::Shutdown()
 {
     s_Data.m_VAO->Shutdown();
     s_Data.m_VBO->Shutdown();
     s_Data.m_FBO->Shutdown();
+    s_Data.m_IBO->Shutdown();
     s_Data.m_Shader->Shutdown();
-    s_Data.m_Texture->Shutdown();
 }

engine/src/UI.cpp

@@ -5,10 +5,9 @@
 #include "FrameBuffer.h"
 #include "Window.h"
 
-static ImVec4 m_ClearColor;
-static ImVec4* m_StyleColors;
-static std::string m_Log;
 InspectorData UI::s_Data;
+std::string UI::m_Log;
+ImVec4* UI::m_StyleColors;
 
 UI::UI()= default;
 
@@ -16,11 +15,10 @@ UI::~UI()= default;
 
 void UI::Init(GLFWwindow* window)
 {
-    m_ClearColor = ImVec4(0.0f, 0.0f, 0.0f, 1.00f);
-
     IMGUI_CHECKVERSION();
     ImGui::CreateContext();
     ImGuiIO& io = ImGui::GetIO(); (void)io;
+    io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;
     io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;
 
     ImGuiStyle& style = ImGui::GetStyle();
@@ -48,7 +46,7 @@ void UI::Run()
     ImGui_ImplGlfw_NewFrame();
     ImGui::NewFrame();
     ImGui::DockSpaceOverViewport(ImGui::GetMainViewport());
-    m_StyleColors[ImGuiCol_DockingEmptyBg] = m_ClearColor;
+    m_StyleColors[ImGuiCol_DockingEmptyBg] = ImVec4(s_Data.m_BgColor.x, s_Data.m_BgColor.y, s_Data.m_BgColor.z, 1.0f);
 }
 
 void UI::Render(const FrameBuffer& sceneBuffer)
@@ -109,19 +107,19 @@ void UI::ShowInspector()
 {
     ImGui::Begin("Inspector");
 
-    ImGui::SeparatorText("Triangle");
+    ImGui::SeparatorText("Cube");
 
     ImGui::BeginGroup();
     {
         ImGui::Text("Transform");
         ImGui::PushStyleColor(ImGuiCol_FrameBg, ImVec4(1.0f, 0.0f, 0.0f, 1.0f));
-        ImGui::DragFloat3("Position", s_Data.m_Position, 0.2f);
+        ImGui::DragFloat3("Position", glm::value_ptr(s_Data.m_Position), 0.2f);
         ImGui::PopStyleColor();
         ImGui::PushStyleColor(ImGuiCol_FrameBg, ImVec4(0.0f, 1.0f, 0.0f, 1.0f));
-        ImGui::DragFloat3("Rotation", s_Data.m_Rotation, 0.4f);
+        ImGui::DragFloat3("Rotation", glm::value_ptr(s_Data.m_Rotation), 0.4f);
         ImGui::PopStyleColor();
         ImGui::PushStyleColor(ImGuiCol_FrameBg, ImVec4(0.0f, 0.0f, 1.0f, 1.0f));
-        ImGui::DragFloat3("Scale", s_Data.m_Scale, 0.1f);
+        ImGui::DragFloat3("Scale", glm::value_ptr(s_Data.m_Scale), 0.1f);
         ImGui::PopStyleColor();
     }
     ImGui::EndGroup();
@@ -130,8 +128,8 @@ void UI::ShowInspector()
 
     ImGui::BeginGroup();
     ImGui::Text("Colors");
-    ImGui::ColorEdit3("Shader Color", s_Data.m_Color);
+    ImGui::ColorEdit3("Shader Color", glm::value_ptr(s_Data.m_ShaderColor));
-    ImGui::ColorEdit3("Clear Color", (float*)&m_ClearColor);
+    ImGui::ColorEdit3("Background Color", glm::value_ptr(s_Data.m_BgColor));
     ImGui::EndGroup();
 
     ImGui::End();
@@ -162,16 +160,12 @@ void UI::ShowScene(const FrameBuffer& sceneBuffer)
     ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2{0, 0});
     ImGui::Begin("Scene");
     {
-        ImGui::BeginChild("GameRender");
-
         ImGui::Image(
             (ImTextureID)sceneBuffer.GetFrameTexture()->GetID(),
             ImGui::GetContentRegionAvail(),
             ImVec2(0, 1),
             ImVec2(1, 0)
         );
-
-        ImGui::EndChild();
     }
     ImGui::End();
     ImGui::PopStyleVar();