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#pragma once
#include "vec3.h"
#include <stddef.h>
typedef struct aabb3 {
vec3 min;
vec3 max;
} aabb3;
/// Construct an AABB from min and max bounds.
static inline aabb3 aabb3_make(vec3 min, vec3 max) {
return (aabb3){.min = min, .max = max};
}
/// Construct an AABB from an array of points.
static inline aabb3 aabb3_from_array(const vec3 points[], size_t count) {
aabb3 box = (aabb3){0};
for (size_t i = 0; i < count; ++i) {
box.min = vec3_min(box.min, points[i]);
box.max = vec3_max(box.max, points[i]);
}
return box;
}
/// Add a point to the AABB. The AABB grows to contain the point.
static inline aabb3 aabb3_add(aabb3 box, vec3 p) {
return (aabb3){.min = vec3_min(box.min, p), .max = vec3_max(box.max, p)};
}
/// Return the AABB of two AABBs.
static inline aabb3 aabb3_sum(aabb3 a, aabb3 b) {
return (aabb3){.min = vec3_min(a.min, b.min), .max = vec3_max(a.max, b.max)};
}
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