diff options
| author | Aaditya Dhruv <[email protected]> | 2026-01-25 15:10:37 -0600 |
|---|---|---|
| committer | Aaditya Dhruv <[email protected]> | 2026-01-25 15:10:37 -0600 |
| commit | 118980e02e59ff31871df59dce257075394f3533 (patch) | |
| tree | 26fba4492bb4b561d21bf49b35d892a821d54fab /include/cglm/struct/clipspace/view_lh_zo.h | |
| parent | 0e6e1245b70df4dfcba135d50e1b53d1a8ef7eb8 (diff) | |
wip
Diffstat (limited to 'include/cglm/struct/clipspace/view_lh_zo.h')
| -rw-r--r-- | include/cglm/struct/clipspace/view_lh_zo.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/include/cglm/struct/clipspace/view_lh_zo.h b/include/cglm/struct/clipspace/view_lh_zo.h new file mode 100644 index 0000000..ac1ada9 --- /dev/null +++ b/include/cglm/struct/clipspace/view_lh_zo.h @@ -0,0 +1,89 @@ +/* + * Copyright (c), Recep Aslantas. + * + * MIT License (MIT), http://opensource.org/licenses/MIT + * Full license can be found in the LICENSE file + */ + +/* + Functions: + CGLM_INLINE mat4s glms_lookat_lh_zo(vec3s eye, vec3s center, vec3s up) + CGLM_INLINE mat4s glms_look_lh_zo(vec3s eye, vec3s dir, vec3s up) + CGLM_INLINE mat4s glms_look_anyup_lh_zo(vec3s eye, vec3s dir) + */ + +#ifndef cglms_view_lh_zo_h +#define cglms_view_lh_zo_h + +#include "../../common.h" +#include "../../types-struct.h" +#include "../../plane.h" +#include "../../cam.h" +#include "../../clipspace/view_lh_zo.h" + +/*! + * @brief set up view matrix + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * 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 + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_lookat_lh_zo(vec3s eye, vec3s center, vec3s up) { + mat4s dest; + glm_lookat_lh_zo(eye.raw, center.raw, up.raw, dest.raw); + return dest; +} + +/*! + * @brief set up view matrix + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * 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 + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_look_lh_zo(vec3s eye, vec3s dir, vec3s up) { + mat4s dest; + glm_look_lh_zo(eye.raw, dir.raw, up.raw, dest.raw); + return dest; +} + +/*! + * @brief set up view matrix + * with a left-hand coordinate system and a + * clip-space of [0, 1]. + * + * 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 + * @returns result matrix + */ +CGLM_INLINE +mat4s +glms_look_anyup_lh_zo(vec3s eye, vec3s dir) { + mat4s dest; + glm_look_anyup_lh_zo(eye.raw, dir.raw, dest.raw); + return dest; +} + +#endif /* cglms_view_lh_zo_h */ |
