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59 lines
2.1 KiB
59 lines
2.1 KiB
/*
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* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* SPDX-FileCopyrightText: Copyright (c) 2014-2022 NVIDIA CORPORATION
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* SPDX-License-Identifier: Apache-2.0
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*/
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// Various Application utilities
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// - Display a menu with File/Quit
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// - Display basic information in the window title
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#include <filesystem>
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#include "imgui_camera_widget.h"
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#include "nvh/cameramanipulator.hpp"
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#include "nvh/gltfscene.hpp"
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namespace nvvkhl {
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//--------------------------------------------------------------------------------------------------
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// Setting up the camera in the GUI from the camera found in the scene
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// or, fit the camera to see the scene.
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//
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static void setCameraFromScene(const std::string& m_filename, const nvh::GltfScene& m_scene)
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{
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ImGuiH::SetCameraJsonFile(std::filesystem::path(m_filename).stem().string());
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if(!m_scene.m_cameras.empty())
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{
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const auto& c = m_scene.m_cameras[0];
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CameraManip.setCamera({c.eye, c.center, c.up, static_cast<float>(rad2deg(c.cam.perspective.yfov))});
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ImGuiH::SetHomeCamera({c.eye, c.center, c.up, static_cast<float>(rad2deg(c.cam.perspective.yfov))});
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for(const auto& cam : m_scene.m_cameras)
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{
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ImGuiH::AddCamera({cam.eye, cam.center, cam.up, static_cast<float>(rad2deg(cam.cam.perspective.yfov))});
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}
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}
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else
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{
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// Re-adjusting camera to fit the new scene
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CameraManip.fit(m_scene.m_dimensions.min, m_scene.m_dimensions.max, true);
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ImGuiH::SetHomeCamera(CameraManip.getCamera());
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}
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CameraManip.setClipPlanes(nvmath::vec2f(0.001F * m_scene.m_dimensions.radius, 100.0F * m_scene.m_dimensions.radius));
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}
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} // namespace nvvkhl
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