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/*
* Copyright (C) 2021 P. J. McDermott
*
* This file is part of Dodge Balls
*
* Dodge Balls 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.
*
* Dodge Balls 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 Dodge Balls. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DB_COLLISION_H_
#define DB_COLLISION_H_
#include <SDL.h>
int db_pt_in_rect(int x, int y, SDL_Rect *rect) __attribute__((__pure__));
int db_col_cir_line(double cir_x, double cir_y, double cir_r,
int line_x1, int line_y1, int line_x2, int line_y2,
double *col_x, double *col_y);
void db_closest_pt_on_rect(int x, int y, SDL_Rect *rect,
double *close_x, double *close_y);
int db_col_cir_rect(int x, int y, int r, SDL_Rect *rect,
double *col_x, double *col_y);
int db_col_cir_cir(double x1, double y1, double r1,
double x2, double y2, double r2) __attribute__((__const__));
int db_col_pt_cir_cir(double x1, double y1, double r1,
double x2, double y2, double r2, double *col_x, double *col_y);
#endif /* DB_COLLISION_H_ */
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