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/*
* Copyright (c), Recep Aslantas.
*
* MIT License (MIT), http://opensource.org/licenses/MIT
* Full license can be found in the LICENSE file
*/
#ifndef cglms_spheres_h
#define cglms_spheres_h
#include "../common.h"
#include "../types-struct.h"
#include "../sphere.h"
#include "mat4.h"
/*
Sphere Representation in cglm: [center.x, center.y, center.z, radii]
You could use this representation or you can convert it to vec4 before call
any function
*/
/*!
* @brief helper for getting sphere radius
*
* @param[in] s sphere
*
* @return returns radii
*/
CGLM_INLINE
float
glms_sphere_radii(vec4s s) {
return glm_sphere_radii(s.raw);
}
/*!
* @brief apply transform to sphere, it is just wrapper for glm_mat4_mulv3
*
* @param[in] s sphere
* @param[in] m transform matrix
* @returns transformed sphere
*/
CGLM_INLINE
vec4s
glms_sphere_transform(vec4s s, mat4s m) {
vec4s r;
glm_sphere_transform(s.raw, m.raw, r.raw);
return r;
}
/*!
* @brief merges two spheres and creates a new one
*
* two sphere must be in same space, for instance if one in world space then
* the other must be in world space too, not in local space.
*
* @param[in] s1 sphere 1
* @param[in] s2 sphere 2
* returns merged/extended sphere
*/
CGLM_INLINE
vec4s
glms_sphere_merge(vec4s s1, vec4s s2) {
vec4s r;
glm_sphere_merge(s1.raw, s2.raw, r.raw);
return r;
}
/*!
* @brief check if two sphere intersects
*
* @param[in] s1 sphere
* @param[in] s2 other sphere
*/
CGLM_INLINE
bool
glms_sphere_sphere(vec4s s1, vec4s s2) {
return glm_sphere_sphere(s1.raw, s2.raw);
}
/*!
* @brief check if sphere intersects with point
*
* @param[in] s sphere
* @param[in] point point
*/
CGLM_INLINE
bool
glms_sphere_point(vec4s s, vec3s point) {
return glm_sphere_point(s.raw, point.raw);
}
#endif /* cglms_spheres_h */
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