From 118980e02e59ff31871df59dce257075394f3533 Mon Sep 17 00:00:00 2001 From: Aaditya Dhruv Date: Sun, 25 Jan 2026 15:10:37 -0600 Subject: wip --- include/cglm/clipspace/view_rh_zo.h | 74 +++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 include/cglm/clipspace/view_rh_zo.h (limited to 'include/cglm/clipspace/view_rh_zo.h') diff --git a/include/cglm/clipspace/view_rh_zo.h b/include/cglm/clipspace/view_rh_zo.h new file mode 100644 index 0000000..1ad5c91 --- /dev/null +++ b/include/cglm/clipspace/view_rh_zo.h @@ -0,0 +1,74 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE void glm_lookat_rh_zo(vec3 eye, vec3 center, vec3 up, mat4 dest) + CGLM_INLINE void glm_look_rh_zo(vec3 eye, vec3 dir, vec3 up, mat4 dest) + CGLM_INLINE void glm_look_anyup_rh_zo(vec3 eye, vec3 dir, mat4 dest) + */ + +#ifndef cglm_view_rh_zo_h +#define cglm_view_rh_zo_h + +#include "../common.h" +#include "view_rh.h" + +/*! + * @brief set up view matrix with right handed coordinate system. + * + * NOTE: The UP vector must not be parallel to the line of sight from + * the eye point to the reference point + * + * @param[in] eye eye vector + * @param[in] center center vector + * @param[in] up up vector + * @param[out] dest result matrix + */ +CGLM_INLINE +void +glm_lookat_rh_zo(vec3 eye, vec3 center, vec3 up, mat4 dest) { + glm_lookat_rh(eye, center, up, dest); +} + +/*! + * @brief set up view matrix with right handed coordinate system. + * + * convenient wrapper for lookat: if you only have direction not target self + * then this might be useful. Because you need to get target from direction. + * + * NOTE: The UP vector must not be parallel to the line of sight from + * the eye point to the reference point + * + * @param[in] eye eye vector + * @param[in] dir direction vector + * @param[in] up up vector + * @param[out] dest result matrix + */ +CGLM_INLINE +void +glm_look_rh_zo(vec3 eye, vec3 dir, vec3 up, mat4 dest) { + glm_look_rh(eye, dir, up, dest); +} + +/*! + * @brief set up view matrix with right handed coordinate system. + * + * convenient wrapper for look: if you only have direction and if you don't + * care what UP vector is then this might be useful to create view matrix + * + * @param[in] eye eye vector + * @param[in] dir direction vector + * @param[out] dest result matrix + */ +CGLM_INLINE +void +glm_look_anyup_rh_zo(vec3 eye, vec3 dir, mat4 dest) { + glm_look_anyup_rh(eye, dir, dest); +} + +#endif /*cglm_view_rh_zo_h*/ -- cgit