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