Change project structure;
Added new c# binding;
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253
native/external/cglm/struct/aabb2d.h
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253
native/external/cglm/struct/aabb2d.h
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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_aabb2ds_h
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#define cglms_aabb2ds_h
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#include "../common.h"
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#include "../types-struct.h"
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#include "../aabb2d.h"
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#include "vec2.h"
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#include "vec4.h"
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#include "mat4.h"
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/* api definition */
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#define glms_aabb2d_(NAME) CGLM_STRUCTAPI(aabb2d, NAME)
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/*!
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* @brief apply transform to Axis-Aligned Bounding Box
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*
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* @param[in] aabb bounding box
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* @param[in] m transform matrix
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* @param[out] dest transformed bounding box
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*/
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CGLM_INLINE
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void
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glms_aabb2d_(transform)(vec2s aabb[2], mat3s m, vec2s dest[2]) {
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vec2 rawAabb[2];
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vec2 rawDest[2];
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glms_vec2_(unpack)(rawAabb, aabb, 2);
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glm_aabb2d_transform(rawAabb, m.raw, rawDest);
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glms_vec2_(pack)(dest, rawDest, 2);
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}
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/*!
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* @brief merges two AABB bounding box and creates new one
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*
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* two box must be in same space, if one of box is in different space then
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* you should consider to convert it's space by glm_box_space
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*
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* @param[in] aabb1 bounding box 1
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* @param[in] aabb2 bounding box 2
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* @param[out] dest merged bounding box
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*/
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CGLM_INLINE
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void
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glms_aabb2d_(merge)(vec2s aabb1[2], vec2s aabb2[2], vec2s dest[2]) {
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vec2 rawAabb1[2];
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vec2 rawAabb2[2];
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vec2 rawDest[2];
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glms_vec2_(unpack)(rawAabb1, aabb1, 2);
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glms_vec2_(unpack)(rawAabb2, aabb2, 2);
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glm_aabb2d_merge(rawAabb1, rawAabb2, rawDest);
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glms_vec2_(pack)(dest, rawDest, 2);
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}
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/*!
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* @brief crops a bounding box with another one.
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*
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* this could be useful for getting a bbox which fits with view frustum and
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* object bounding boxes. In this case you crop view frustum box with objects
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* box
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*
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* @param[in] aabb bounding box 1
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* @param[in] cropAabb crop box
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* @param[out] dest cropped bounding box
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*/
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CGLM_INLINE
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void
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glms_aabb2d_(crop)(vec2s aabb[2], vec2s cropAabb[2], vec2s dest[2]) {
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vec2 rawAabb[2];
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vec2 rawCropAabb[2];
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vec2 rawDest[2];
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glms_vec2_(unpack)(rawAabb, aabb, 2);
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glms_vec2_(unpack)(rawCropAabb, cropAabb, 2);
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glm_aabb2d_crop(rawAabb, rawCropAabb, rawDest);
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glms_vec2_(pack)(dest, rawDest, 2);
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}
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/*!
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* @brief crops a bounding box with another one.
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*
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* this could be useful for getting a bbox which fits with view frustum and
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* object bounding boxes. In this case you crop view frustum box with objects
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* box
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*
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* @param[in] aabb bounding box
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* @param[in] cropAabb crop box
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* @param[in] clampAabb minimum box
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* @param[out] dest cropped bounding box
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*/
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CGLM_INLINE
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void
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glms_aabb2d_(crop_until)(vec2s aabb[2],
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vec2s cropAabb[2],
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vec2s clampAabb[2],
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vec2s dest[2]) {
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glms_aabb2d_(crop)(aabb, cropAabb, dest);
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glms_aabb2d_(merge)(clampAabb, dest, dest);
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}
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/*!
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* @brief invalidate AABB min and max values
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*
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* @param[in, out] aabb bounding box
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*/
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CGLM_INLINE
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void
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glms_aabb2d_(invalidate)(vec2s box[2]) {
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box[0] = glms_vec2_(fill)(FLT_MAX);
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box[1] = glms_vec2_(fill)(-FLT_MAX);
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}
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/*!
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* @brief check if AABB is valid or not
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*
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* @param[in] aabb bounding box
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*/
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CGLM_INLINE
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bool
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glms_aabb2d_(isvalid)(vec2s aabb[2]) {
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vec2 rawAabb[2];
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glms_vec2_(unpack)(rawAabb, aabb, 2);
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return glm_aabb2d_isvalid(rawAabb);
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}
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/*!
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* @brief distance between of min and max
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*
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* @param[in] aabb bounding box
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*/
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CGLM_INLINE
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float
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glms_aabb2d_(diag)(vec2s aabb[2]) {
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vec2 rawAabb[2];
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glms_vec2_(unpack)(rawAabb, aabb, 2);
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return glm_aabb2d_diag(rawAabb);
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}
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/*!
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* @brief size of aabb
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*
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* @param[in] aabb bounding aabb
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* @param[out] dest size
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*/
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CGLM_INLINE
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vec2s
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glms_aabb2d_(sizev)(vec2s aabb[2]) {
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vec2s size;
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vec2 rawAabb[2];
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glms_vec2_(unpack)(rawAabb, aabb, 2);
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glm_aabb2d_sizev(rawAabb, size.raw);
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return size;
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}
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/*!
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* @brief radius of sphere which surrounds AABB
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*
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* @param[in] aabb bounding box
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*/
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CGLM_INLINE
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float
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glms_aabb2d_(radius)(vec2s aabb[2]) {
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return glms_aabb2d_(size)(aabb) * 0.5f;
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}
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/*!
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* @brief computes center point of AABB
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*
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* @param[in] aabb bounding box
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* @returns center of bounding box
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*/
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CGLM_INLINE
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vec2s
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glms_aabb2d_(center)(vec2s aabb[2]) {
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return glms_vec2_(center)(aabb[0], aabb[1]);
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}
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/*!
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* @brief check if two AABB intersects
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*
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* @param[in] aabb bounding box
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* @param[in] other other bounding box
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*/
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CGLM_INLINE
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bool
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glms_aabb2d_(aabb)(vec2s aabb[2], vec2s other[2]) {
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vec2 rawAabb[2];
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vec2 rawOther[2];
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glms_vec2_(unpack)(rawAabb, aabb, 2);
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glms_vec2_(unpack)(rawOther, other, 2);
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return glm_aabb2d_aabb(rawAabb, rawOther);
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}
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/*!
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* @brief check if AABB intersects with a circle
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*
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* https://github.com/erich666/GraphicsGems/blob/master/gems/BoxSphere.c
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* Solid Box - Solid Sphere test.
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*
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* @param[in] aabb solid bounding box
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* @param[in] s solid sphere
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*/
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CGLM_INLINE
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bool
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glms_aabb2d_(circle)(vec2s aabb[2], vec3s c) {
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vec2 rawAabb[2];
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glms_vec2_(unpack)(rawAabb, aabb, 2);
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return glm_aabb2d_circle(rawAabb, c.raw);
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}
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/*!
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* @brief check if point is inside of AABB
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*
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* @param[in] aabb bounding box
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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_aabb2d_(point)(vec2s aabb[2], vec2s point) {
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vec2 rawAabb[2];
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glms_vec2_(unpack)(rawAabb, aabb, 2);
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return glm_aabb2d_point(rawAabb, point.raw);
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}
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/*!
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* @brief check if AABB contains other AABB
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*
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* @param[in] box bounding box
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* @param[in] other other bounding box
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*/
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CGLM_INLINE
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bool
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glms_aabb2d_(contains)(vec2s aabb[2], vec2s other[2]) {
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vec2 rawAabb[2];
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vec2 rawOther[2];
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glms_vec2_(unpack)(rawAabb, aabb, 2);
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glms_vec2_(unpack)(rawOther, other, 2);
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return glm_aabb2d_contains(rawAabb, rawOther);
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}
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#endif /* cglms_aabb2ds_h */
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