/*
 * 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_ */