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aabb.h
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aabb.h
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/*
Copyright (c) 2017-2020 ByteBit
This file is part of BetterSpades.
BetterSpades is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
BetterSpades is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with BetterSpades. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef AABB_H
#define AABB_H
#include <stdbool.h>
typedef struct {
union {
struct {
float min_x, min_y, min_z;
};
float min[3];
};
union {
struct {
float max_x, max_y, max_z;
};
float max[3];
};
} AABB;
typedef struct {
union {
struct {
float x, y, z;
};
float coords[3];
} origin;
union {
struct {
float x, y, z;
};
float coords[3];
} direction;
} Ray;
bool aabb_intersection(AABB* a, AABB* b);
bool aabb_intersection_ray(AABB* a, Ray* r, float* distance);
bool aabb_intersection_terrain(AABB* a, int miny);
void aabb_set_size(AABB* a, float x, float y, float z);
void aabb_set_center(AABB* a, float x, float y, float z);
void aabb_render(AABB* a);
#endif