60 lines
2 KiB
C++
60 lines
2 KiB
C++
/*
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Crafter®.Graphics
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Copyright (C) 2025 Catcrafts®
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Catcrafts.net
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 3.0 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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module;
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#include <cstdint>
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export module Crafter.Graphics:Camera;
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import :VulkanBuffer;
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import Crafter.Math;
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import Crafter.Event;
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namespace Crafter {
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export class Camera {
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public:
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MatrixRowMajor<float, 4, 4, 1> projection;
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MatrixRowMajor<float, 4, 4, 1> view;
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MatrixRowMajor<float, 4, 4, 1> projectionView;
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Event<void> onUpdate;
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/**
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* @brief Constructs a camera.
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* @param fov Field of view in radians.
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* @param aspectRatio Aspect ratio of the camera (width / height).
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* @param near Near clipping plane.
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* @param far Far clipping plane.
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*/
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Camera(float fov, float aspectRatio, float near, float far);
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/**
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* @brief calculates the projectionView matrix by multiplying the projection and view matricies.
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*/
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void Update();
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/**
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* @brief Converts screen-space coordinates to a 3D world-space ray.
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* @param x The x-coordinate on the screen (in pixels).
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* @param y The y-coordinate on the screen (in pixels).
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* @return A normalized 3D direction vector representing the ray from the camera.
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*/
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Vector<float, 3> ToRay(uint32_t x, uint32_t y);
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};
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}
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