From 6eacee38f0aa34ad34b65ad2d30d8c4da4660b7d Mon Sep 17 00:00:00 2001
From: lisyarus <lisyarus@gmail.com>
Date: Fri, 16 Oct 2020 07:33:03 +0300
Subject: [PATCH] Add constructors to camera classes

---
 libs/geom/include/psemek/geom/camera.hpp | 41 ++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/libs/geom/include/psemek/geom/camera.hpp b/libs/geom/include/psemek/geom/camera.hpp
index 62f55a1b..3fc5142e 100644
--- a/libs/geom/include/psemek/geom/camera.hpp
+++ b/libs/geom/include/psemek/geom/camera.hpp
@@ -41,6 +41,13 @@ namespace psemek::geom
 	{
 		float width, height;
 
+		window_camera() = default;
+
+		window_camera(float width, float height)
+			: width{width}
+			, height{height}
+		{}
+
 		matrix<float, 4, 4> view() const override;
 		matrix<float, 4, 4> projection() const override;
 	};
@@ -50,6 +57,12 @@ namespace psemek::geom
 	{
 		geom::box<float_t, 3> box;
 
+		orthographic_camera() = default;
+
+		orthographic_camera(geom::box<float_t, 3> const & box)
+			: box{box}
+		{}
+
 		matrix<float, 4, 4> view() const override;
 		matrix<float, 4, 4> projection() const override;
 	};
@@ -63,6 +76,15 @@ namespace psemek::geom
 		float near_clip;
 		float far_clip;
 
+		perspective_camera() = default;
+
+		perspective_camera(float fov_x, float fov_y, float near_clip, float far_clip)
+			: fov_x{fov_x}
+			, fov_y{fov_y}
+			, near_clip{near_clip}
+			, far_clip{far_clip}
+		{}
+
 		matrix<float, 4, 4> projection() const override;
 
 		// aspect_ratio = width / height
@@ -90,6 +112,16 @@ namespace psemek::geom
 		float distance;
 		point<float, 3> target;
 
+		spherical_camera() = default;
+
+		spherical_camera(float fov_x, float fov_y, float near_clip, float far_clip, float azimuthal_angle, float elevation_angle, float distance, point<float, 3> const & target)
+			: perspective_camera(fov_x, fov_y, near_clip, far_clip)
+			, azimuthal_angle{azimuthal_angle}
+			, elevation_angle{elevation_angle}
+			, distance{distance}
+			, target{target}
+		{}
+
 		matrix<float, 4, 4> view() const override;
 	};
 
@@ -104,6 +136,15 @@ namespace psemek::geom
 		float elevation_angle;
 		point<float, 3> pos;
 
+		free_camera() = default;
+
+		free_camera(float fov_x, float fov_y, float near_clip, float far_clip, float azimuthal_angle, float elevation_angle, point<float, 3> const & pos)
+			: perspective_camera(fov_x, fov_y, near_clip, far_clip)
+			, azimuthal_angle{azimuthal_angle}
+			, elevation_angle{elevation_angle}
+			, pos{pos}
+		{}
+
 		matrix<float, 4, 4> view() const override;
 	};
 }