89 lines
2.3 KiB
C
89 lines
2.3 KiB
C
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/*
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* Copyright (c), Recep Aslantas.
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*
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* MIT License (MIT), http://opensource.org/licenses/MIT
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* Full license can be found in the LICENSE file
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*/
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/*
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Functions:
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CGLM_INLINE mat4s glms_lookat_rh_zo(vec3s eye, vec3s center, vec3s up)
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CGLM_INLINE mat4s glms_look_rh_zo(vec3s eye, vec3s dir, vec3s up)
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CGLM_INLINE mat4s glms_look_anyup_rh_zo(vec3s eye, vec3s dir)
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*/
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#ifndef cglms_view_rh_zo_h
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#define cglms_view_rh_zo_h
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#include "../../common.h"
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#include "../../types-struct.h"
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#include "../../plane.h"
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#include "../../cam.h"
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/*!
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* @brief set up view matrix
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* with a right-hand coordinate system and a
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* clip-space of [0, 1].
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*
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* NOTE: The UP vector must not be parallel to the line of sight from
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* the eye point to the reference point
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*
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* @param[in] eye eye vector
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* @param[in] center center vector
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* @param[in] up up vector
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* @returns result matrix
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*/
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CGLM_INLINE
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mat4s
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glms_lookat_rh_zo(vec3s eye, vec3s center, vec3s up) {
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mat4s dest;
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glm_lookat_rh_zo(eye.raw, center.raw, up.raw, dest.raw);
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return dest;
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}
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/*!
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* @brief set up view matrix
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* with a right-hand coordinate system and a
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* clip-space of [0, 1].
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*
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* convenient wrapper for lookat: if you only have direction not target self
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* then this might be useful. Because you need to get target from direction.
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*
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* NOTE: The UP vector must not be parallel to the line of sight from
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* the eye point to the reference point
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*
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* @param[in] eye eye vector
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* @param[in] dir direction vector
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* @param[in] up up vector
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* @returns result matrix
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*/
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CGLM_INLINE
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mat4s
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glms_look_rh_zo(vec3s eye, vec3s dir, vec3s up) {
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mat4s dest;
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glm_look_rh_zo(eye.raw, dir.raw, up.raw, dest.raw);
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return dest;
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}
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/*!
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* @brief set up view matrix
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* with a right-hand coordinate system and a
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* clip-space of [0, 1].
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*
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* convenient wrapper for look: if you only have direction and if you don't
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* care what UP vector is then this might be useful to create view matrix
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*
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* @param[in] eye eye vector
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* @param[in] dir direction vector
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* @returns result matrix
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*/
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CGLM_INLINE
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mat4s
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glms_look_anyup_rh_zo(vec3s eye, vec3s dir) {
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mat4s dest;
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glm_look_anyup_rh_zo(eye.raw, dir.raw, dest.raw);
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return dest;
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}
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#endif /* cglms_view_rh_zo_h */
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