89 lines
2.3 KiB
C
89 lines
2.3 KiB
C
|
/*
|
||
|
|
* 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_no(vec3s eye, vec3s center, vec3s up)
|
||
|
|
CGLM_INLINE mat4s glms_look_lh_no(vec3s eye, vec3s dir, vec3s up)
|
||
|
|
CGLM_INLINE mat4s glms_look_anyup_lh_no(vec3s eye, vec3s dir)
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef cglms_view_lh_no_h
|
||
|
|
#define cglms_view_lh_no_h
|
||
|
|
|
||
|
|
#include "../../common.h"
|
||
|
|
#include "../../types-struct.h"
|
||
|
|
#include "../../plane.h"
|
||
|
|
#include "../../cam.h"
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @brief set up view matrix
|
||
|
|
* with a left-hand coordinate system and a
|
||
|
|
* clip-space of [-1, 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_no(vec3s eye, vec3s center, vec3s up) {
|
||
|
|
mat4s dest;
|
||
|
|
glm_lookat_lh_no(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 [-1, 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_no(vec3s eye, vec3s dir, vec3s up) {
|
||
|
|
mat4s dest;
|
||
|
|
glm_look_lh_no(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 [-1, 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_no(vec3s eye, vec3s dir) {
|
||
|
|
mat4s dest;
|
||
|
|
glm_look_anyup_lh_no(eye.raw, dir.raw, dest.raw);
|
||
|
|
return dest;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* cglms_view_lh_no_h */
|