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sphere point intersection

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This commit is contained in:
Recep Aslantas
2018-06-09 18:21:29 +03:00
parent fc14cedf89
commit 857265b892
4 changed files with 33 additions and 0 deletions
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4
include/cglm/call/sphere.h
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@@ -29,4 +29,8 @@ CGLM_EXPORT
bool
glmc_sphere_sphere(vec4 s1, vec4 s2);
CGLM_EXPORT
bool
glmc_sphere_point(vec4 s, vec3 point);
#endif /* cglmc_sphere_h */

14
include/cglm/sphere.h
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@@ -82,4 +82,18 @@ glm_sphere_sphere(vec4 s1, vec4 s2) {
return glm_vec_distance2(s1, s2) <= glm_pow2(s1[3] + s2[3]);
}
/*!
* @brief check if sphere intersects with point
*
* @param[in] s sphere
* @param[in] point point
*/
CGLM_INLINE
bool
glm_sphere_point(vec4 s, vec3 point) {
float rr;
rr = s[3] * s[3];
return glm_vec_distance2(point, s) <= rr;
}
#endif /* cglm_sphere_h */