Components

    struct TransformComponent
    {
        glm::vec3 Translation = { 0.0f, 0.0f, 0.0f };
        glm::vec3 Rotation = { 0.0f, 0.0f, 0.0f };
        glm::vec3 Scale = { 1.0f, 1.0f, 1.0f };
        TransformComponent() = default;
        TransformComponent(const TransformComponent&) = default;
        TransformComponent(const glm::vec3& translation)
            : Translation(translation) {}
        glm::mat4 GetTransform() const
        {
            glm::mat4 rotation = glm::rotate(glm::mat4(1.0f), Rotation.x, { 1, 0, 0 })
                * glm::rotate(glm::mat4(1.0f), Rotation.y, { 0, 1, 0 })
                * glm::rotate(glm::mat4(1.0f), Rotation.z, { 0, 0, 1 });
            return glm::translate(glm::mat4(1.0f), Translation)
                * rotation
                * glm::scale(glm::mat4(1.0f), Scale);
        }
    };

IMGUI的Vec3美化

    static void DrawVec3Control(const std::string& label, glm::vec3& values, float resetValue = 0.0f, float columnWidth = 100.0f)
    {
        ImGui::PushID(label.c_str());
        ImGui::Columns(2);
        ImGui::SetColumnWidth(0, columnWidth);
        ImGui::Text(label.c_str());
        ImGui::NextColumn();
        ImGui::PushMultiItemsWidths(3, ImGui::CalcItemWidth());
        ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2{ 0, 0 });
        float lineHeight = GImGui->Font->FontSize + GImGui->Style.FramePadding.y * 2.0f;
        ImVec2 buttonSize = { lineHeight + 3.0f, lineHeight };
        ImGui::PushStyleColor(ImGuiCol_Button, ImVec4{ 0.8f, 0.1f, 0.15f, 1.0f });
        ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImVec4{ 0.9f, 0.2f, 0.2f, 1.0f });
        ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImVec4{ 0.8f, 0.1f, 0.15f, 1.0f });
        if (ImGui::Button("X", buttonSize))
            values.x = resetValue;
        ImGui::PopStyleColor(3);
        ImGui::SameLine();
        ImGui::DragFloat("##X", &values.x, 0.1f, 0.0f, 0.0f, "%.2f");
        ImGui::PopItemWidth();
        ImGui::SameLine();
        ImGui::PushStyleColor(ImGuiCol_Button, ImVec4{ 0.2f, 0.7f, 0.2f, 1.0f });
        ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImVec4{ 0.3f, 0.8f, 0.3f, 1.0f });
        ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImVec4{ 0.2f, 0.7f, 0.2f, 1.0f });
        if (ImGui::Button("Y", buttonSize))
            values.y = resetValue;
        ImGui::PopStyleColor(3);
        ImGui::SameLine();
        ImGui::DragFloat("##Y", &values.y, 0.1f, 0.0f, 0.0f, "%.2f");
        ImGui::PopItemWidth();
        ImGui::SameLine();
        ImGui::PushStyleColor(ImGuiCol_Button, ImVec4{ 0.1f, 0.25f, 0.8f, 1.0f });
        ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImVec4{ 0.2f, 0.35f, 0.9f, 1.0f });
        ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImVec4{ 0.1f, 0.25f, 0.8f, 1.0f });
        if (ImGui::Button("Z", buttonSize))
            values.z = resetValue;
        ImGui::PopStyleColor(3);
        ImGui::SameLine();
        ImGui::DragFloat("##Z", &values.z, 0.1f, 0.0f, 0.0f, "%.2f");
        ImGui::PopItemWidth();
        ImGui::PopStyleVar();
        ImGui::Columns(1);
        ImGui::PopID();
    }