diff options
| -rw-r--r-- | chickadee.scm | 6 | ||||
| -rw-r--r-- | doc/api.texi | 5 |
2 files changed, 11 insertions, 0 deletions
diff --git a/chickadee.scm b/chickadee.scm index 10085ae..e2d8624 100644 --- a/chickadee.scm +++ b/chickadee.scm @@ -63,6 +63,7 @@ set-window-size! set-window-position! set-window-fullscreen! + elapsed-time controller-button-pressed? controller-button-released? controller-axis @@ -76,6 +77,11 @@ run-game) #:re-export (abort-game)) +(define (elapsed-time) + "Return the number of milliseconds that have passed since the game +loop was started." + (sdl-ticks)) + (define (key-pressed? key) "Return #t if KEY is currently being pressed." (sdl2:key-pressed? key)) diff --git a/doc/api.texi b/doc/api.texi index cf82b6f..a8bac69 100644 --- a/doc/api.texi +++ b/doc/api.texi @@ -353,6 +353,11 @@ behavior is to simply re-throw the error. @end deffn +@deffn {Procedure} elapsed-time +Return the number of milliseconds that have passed since the game loop +was started. +@end deffn + @node Input Devices @subsection Input Devices |