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;;; Lisparuga
;;; Copyright © 2016 David Thompson <davet@gnu.org>
;;;
;;; Lisparuga 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.
;;;
;;; Lisparuga 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 Lisparuga. If not, see <http://www.gnu.org/licenses/>.
(define-module (lisparuga explosions)
#:use-module (sly records)
#:use-module (sly math vector)
#:use-module (lisparuga utils)
#:export (make-explosion
explosion?
explosion-type
explosion-position
explosion-time
explosion-active?))
(define-record-type* <explosion>
%make-explosion make-explosion
explosion?
(type explosion-type 'regular)
(position explosion-position origin2)
(time explosion-time 0))
(define (explosion-active? explosion current-time)
(< (- current-time (explosion-time explosion)) 15))
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