+++ /dev/null
-;;; Gacela, a GNU Guile extension for fast games development
-;;; Copyright (C) 2009 by Javier Sancho Fernandez <jsf at jsancho dot org>
-;;;
-;;; This program 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.
-;;;
-;;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
-
-
-
-;;; Additional modules
-
-(use-modules (srfi srfi-1))
-
-
-;;; Constants
-
-(define *pi* (* (asin 1) 2))
-
-
-;;; Geometry
-
-(define (degrees-to-radians angle)
- (/ (* angle *pi*) 180))
-
-(define (radians-to-degrees angle)
- (/ (* angle 180) *pi*))
-
-(define (distance-between-points p1 p2)
- (define (add-power-of-two p1 p2)
- (cond ((null? p1)
- 0)
- (else
- (+ (expt (- (car p1) (car p2)) 2)
- (add-power-of-two (cdr p1) (cdr p2))))))
-
- (cond ((not (= (length p1) (length p2)))
- #f)
- (else
- (sqrt (add-power-of-two p1 p2)))))
-
-
-;;; Functions
-
-(define (nearest-power-of-two n)
- (define (power p n)
- (cond ((> (* p 2) n) p)
- (else (power (* p 2) n))))
- (power 1 n))
-
-;(define-macro (pushnew elem list)
-; `(cond ((not (find (lambda (e) (eq? e ,elem)) ,list))
-; (set! ,list (cons ,elem ,list)))))
-
-(define (assoc-multiple-set! alist . pairs)
- (define (amset! alist pairs)
- (cond ((< (length pairs) 2)
- alist)
- (else
- (assoc-set! alist (car pairs) (cadr pairs))
- (amset! alist (cddr pairs)))))
- (amset! alist pairs))
+++ /dev/null
-;;; Gacela, a GNU Guile extension for fast games development
-;;; Copyright (C) 2009 by Javier Sancho Fernandez <jsf at jsancho dot org>
-;;;
-;;; This program 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.
-;;;
-;;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
-
-
-;;; Timers
-
-(define (make-timer)
- (let ((start 0) (paused 0) (state 'stopped))
- (lambda (op)
- (case op
- ((start-timer)
- (set! start (SDL_GetTicks))
- (set! state 'running))
-
- ((stop-timer)
- (set! state 'stopped))
-
- ((get-time)
- (cond ((eq? state 'stopped) 0)
- ((eq? state 'paused) paused)
- (else (- (SDL_GetTicks) start))))
-
- ((get-state)
- state)
-
- ((pause-timer)
- (cond ((eq? state 'running)
- (set! paused (- (SDL_GetTicks) start))
- (set! state 'paused))))
-
- ((resume-timer)
- (cond ((eq? state 'paused)
- (set! start (- (SDL_GetTicks) paused))
- (set! state 'running))))))))
-
-(define (start-timer timer)
- (timer 'start-timer))
-
-(define (stop-timer timer)
- (timer 'stop-timer))
-
-(define (get-time timer)
- (timer 'get-time))
-
-(define (get-state timer)
- (timer 'get-state))
-
-(define (pause-timer timer)
- (timer 'pause-timer))
-
-(define (resume-timer timer)
- (timer 'resume-timer))
--- /dev/null
+;;; Gacela, a GNU Guile extension for fast games development
+;;; Copyright (C) 2009 by Javier Sancho Fernandez <jsf at jsancho dot org>
+;;;
+;;; This program 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.
+;;;
+;;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
+
+
+(define-module (gacela math)
+ #:export (*pi*
+ degrees-to-radians
+ radians-to-degrees
+ distance-between-points
+ nearest-power-of-two))
+
+
+;;; Constants
+
+(define *pi* (* (asin 1) 2))
+
+
+;;; Geometry
+
+(define (degrees-to-radians angle)
+ (/ (* angle *pi*) 180))
+
+(define (radians-to-degrees angle)
+ (/ (* angle 180) *pi*))
+
+(define (distance-between-points p1 p2)
+ (define (add-power-of-two p1 p2)
+ (cond ((null? p1)
+ 0)
+ (else
+ (+ (expt (- (car p1) (car p2)) 2)
+ (add-power-of-two (cdr p1) (cdr p2))))))
+
+ (cond ((not (= (length p1) (length p2)))
+ #f)
+ (else
+ (sqrt (add-power-of-two p1 p2)))))
+
+
+;;; Functions
+
+(define (nearest-power-of-two n)
+ (define (power p n)
+ (cond ((> (* p 2) n) p)
+ (else (power (* p 2) n))))
+ (power 1 n))
(define-module (gacela ttf)
- #:use-module (gacela ftgl))
+ #:use-module (gacela ftgl)
+ #:use-module (ice-9 optargs)
+ #:export (load-font
+ render-text))
(define* (load-font font-file #:key (size 40) (encoding ft_encoding_unicode))
(let* ((key (list font-file))
--- /dev/null
+;;; Gacela, a GNU Guile extension for fast games development
+;;; Copyright (C) 2009 by Javier Sancho Fernandez <jsf at jsancho dot org>
+;;;
+;;; This program 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.
+;;;
+;;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
+
+
+(define-module (gacela widgets timer)
+ #:use-module (gacela sdl)
+ #:export (make-timer
+ start-timer
+ stop-timer
+ get-time
+ get-state
+ pause-timer
+ resume-timer))
+
+
+(define (make-timer)
+ (let ((start 0) (paused 0) (state 'stopped))
+ (lambda (op)
+ (case op
+ ((start-timer)
+ (set! start (SDL_GetTicks))
+ (set! state 'running))
+
+ ((stop-timer)
+ (set! state 'stopped))
+
+ ((get-time)
+ (cond ((eq? state 'stopped) 0)
+ ((eq? state 'paused) paused)
+ (else (- (SDL_GetTicks) start))))
+
+ ((get-state)
+ state)
+
+ ((pause-timer)
+ (cond ((eq? state 'running)
+ (set! paused (- (SDL_GetTicks) start))
+ (set! state 'paused))))
+
+ ((resume-timer)
+ (cond ((eq? state 'paused)
+ (set! start (- (SDL_GetTicks) paused))
+ (set! state 'running))))))))
+
+(define (start-timer timer)
+ (timer 'start-timer))
+
+(define (stop-timer timer)
+ (timer 'stop-timer))
+
+(define (get-time timer)
+ (timer 'get-time))
+
+(define (get-state timer)
+ (timer 'get-state))
+
+(define (pause-timer timer)
+ (timer 'pause-timer))
+
+(define (resume-timer timer)
+ (timer 'resume-timer))
projects / gacela.git / commitdiff