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[gacela.git] / games / asteroids / asteroids.scm

diff --git a/games/asteroids/asteroids.scm b/games/asteroids/asteroids.scm
index b18b7f604906ae0838ec127c0c371200597954b3..92b03c406c8a93ca506b906e5dc512311cad454c 100644 (file)
--- a/games/asteroids/asteroids.scm
+++ b/games/asteroids/asteroids.scm
@@ -40,67 +40,31 @@
         (set! moving #t))
        (else
         (set! moving #f)))
+  (cond ((key-pressed? 'space)
+        (show-mob (make-shot #:x x #:y y #:angle angle))))
 
   (translate x y)
   (rotate angle)
   (draw-texture (if moving ship2 ship1)))
 
 (define-mob (shot (x 0) (y 0) (angle 0))
+  (let ((r (degrees-to-radians (- angle))))
+    (set! x (+ x (* 10 (sin r))))
+    (set! y (+ y (* 10 (cos r))))
+    (cond ((or (> x max-x)
+              (< x min-x)
+              (> y max-y)
+              (< y min-y))
+          (kill-me))))
+
   (translate x y)
   (rotate angle)
   (draw-line 10))
 
-;; (define (move-shots shots)
-;;   (cond ((null? shots) '())
-;;     (else
-;;      (let* ((sh (car shots))
-;;             (x (assoc-ref sh 'x)) (y (assoc-ref sh 'y))
-;;             (angle (assoc-ref sh 'angle))
-;;             (r (degrees-to-radians (- angle))))
-;;        (set! x (+ x (* 10 (sin r))))
-;;        (set! y (+ y (* 10 (cos r))))
-;;        (cond ((and (<= x max-x)
-;;                    (>= x min-x)
-;;                    (<= y max-y)
-;;                    (>= y min-y))
-;;               (cons `((x . ,x) (y . ,y) (angle . ,angle))
-;;                     (move-shots (cdr shots))))
-;;              (else
-;;               (move-shots (cdr shots))))))))
 
 (show-mob (make-asteroid))
 (show-mob (make-ship))
 
-;; (define (ship-shot s)
-;;   (cond ((key-pressed? 'space)
-;;      `((x . ,(assoc-ref s 'x)) (y . ,(assoc-ref s 'y)) (angle . ,(assoc-ref s 'angle))))
-;;     (else
-;;      #f)))
-
-;; (define (draw-shot sh)
-;;   (to-origin)
-;;   (translate (assoc-ref sh 'x) (assoc-ref sh 'y))
-;;   (rotate (assoc-ref sh 'angle))
-;;   (draw-line 10))
-
-;; (define (move-shots shots)
-;;   (cond ((null? shots) '())
-;;     (else
-;;      (let* ((sh (car shots))
-;;             (x (assoc-ref sh 'x)) (y (assoc-ref sh 'y))
-;;             (angle (assoc-ref sh 'angle))
-;;             (r (degrees-to-radians (- angle))))
-;;        (set! x (+ x (* 10 (sin r))))
-;;        (set! y (+ y (* 10 (cos r))))
-;;        (cond ((and (<= x max-x)
-;;                    (>= x min-x)
-;;                    (<= y max-y)
-;;                    (>= y min-y))
-;;               (cons `((x . ,x) (y . ,y) (angle . ,angle))
-;;                     (move-shots (cdr shots))))
-;;              (else
-;;               (move-shots (cdr shots))))))))
-  
 ;; (define (make-asteroids n)
 ;;   (define (xy n r)
 ;;     (let ((n2 (- (random (* n 2)) n)))