49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
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// Copyright (C) 2022 RozK
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "render.hpp"
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rk_vec3 rk_view_origin;
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rk_vec3 rk_view_lookat;
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rk_mat4 rk_view;
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rk_mat4 rk_view_km;
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float rk_projection_hfov;
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float rk_projection_ratio;
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float rk_projection_near;
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float rk_projection_far;
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rk_mat4 rk_projection;
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void rk_set_projection(
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float hfov,
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float ratio,
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float near,
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float far) {
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rk_projection_hfov = hfov;
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rk_projection_ratio = ratio;
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rk_projection_near = near;
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rk_projection_far = far;
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rk_projection = glm::perspectiveRH(hfov, ratio, near, far);
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}
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extern void rk_set_view(
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rk_vec3 const & position,
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rk_vec3 const & lookat) {
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rk_view_origin = position;
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rk_view_lookat = lookat;
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rk_view = glm::lookAtRH(position, lookat, glm::vec3(0.0f, 0.0f, 1.0f));
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rk_view_km = glm::lookAtRH(position * 0.001f, lookat * 0.001f, glm::vec3(0.0f, 0.0f, 1.0f));
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}
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