108 lines
2.4 KiB
C++
108 lines
2.4 KiB
C++
/* Copyright (c) 2023-2024, Arm Limited and Contributors
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*
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* SPDX-License-Identifier: Apache-2.0
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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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#include "orthographic_camera.h"
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#include <glm/gtc/matrix_transform.hpp>
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namespace vkb
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{
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namespace sg
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{
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OrthographicCamera::OrthographicCamera(const std::string &name) :
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Camera{name}
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{}
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OrthographicCamera::OrthographicCamera(const std::string &name, float left, float right, float bottom, float top, float near_plane, float far_plane) :
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Camera{name},
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left{left},
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right{right},
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top{top},
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bottom{bottom},
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near_plane{near_plane},
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far_plane{far_plane}
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{
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}
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void OrthographicCamera::set_left(float new_left)
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{
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left = new_left;
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}
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float OrthographicCamera::get_left() const
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{
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return left;
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}
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void OrthographicCamera::set_right(float new_right)
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{
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right = new_right;
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}
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float OrthographicCamera::get_right() const
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{
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return right;
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}
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void OrthographicCamera::set_bottom(float new_bottom)
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{
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bottom = new_bottom;
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}
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float OrthographicCamera::get_bottom() const
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{
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return bottom;
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}
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void OrthographicCamera::set_top(float new_top)
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{
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top = new_top;
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}
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float OrthographicCamera::get_top() const
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{
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return top;
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}
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void OrthographicCamera::set_near_plane(float new_near_plane)
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{
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near_plane = new_near_plane;
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}
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float OrthographicCamera::get_near_plane() const
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{
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return near_plane;
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}
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void OrthographicCamera::set_far_plane(float new_far_plane)
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{
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far_plane = new_far_plane;
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}
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float OrthographicCamera::get_far_plane() const
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{
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return far_plane;
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}
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glm::mat4 OrthographicCamera::get_projection()
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{
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// Note: Using reversed depth-buffer for increased precision, so Znear and Zfar are flipped
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return glm::ortho(left, right, bottom, top, far_plane, near_plane);
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}
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} // namespace sg
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} // namespace vkb
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