diff options
Diffstat (limited to '2d')
-rw-r--r-- | 2d/game-loop.scm | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/2d/game-loop.scm b/2d/game-loop.scm index eef3d2f..2d015ba 100644 --- a/2d/game-loop.scm +++ b/2d/game-loop.scm @@ -28,6 +28,9 @@ set-update-callback set-key-up-callback set-key-down-callback + set-mouse-motion-callback + set-mouse-button-down-callback + set-mouse-button-up-callback run-game-loop)) (define target-fps 60) @@ -41,6 +44,9 @@ (define update-callback (lambda () #t)) (define key-up-callback (lambda (key mod unicode) #t)) (define key-down-callback (lambda (key mod unicode) #t)) +(define mouse-motion-callback (lambda (buttons x y xrel yrel) #t)) +(define mouse-button-down-callback (lambda (button x y) #t)) +(define mouse-button-up-callback (lambda (button x y) #t)) (define (set-render-callback callback) "Sets the render callback procedure." @@ -58,6 +64,18 @@ "Sets the key down callback procedure." (set! key-down-callback callback)) +(define (set-mouse-motion-callback callback) + "Sets the mouse motion callback procedure." + (set! mouse-motion-callback callback)) + +(define (set-mouse-button-down-callback callback) + "Sets the mouse button down callback procedure." + (set! mouse-button-down-callback callback)) + +(define (set-mouse-button-up-callback callback) + "Sets the mouse button up callback procedure." + (set! mouse-button-up-callback callback)) + ;;; ;;; Event Handling ;;; @@ -79,7 +97,21 @@ ((SDL_KEYUP) (key-up-callback (event-keycode e) (event-keymods e) - (SDL:event:key:keysym:unicode e))))) + (SDL:event:key:keysym:unicode e))) + ((SDL_MOUSEMOTION) + (mouse-motion-callback (SDL:event:motion:state e) + (SDL:event:motion:x e) + (SDL:event:motion:y e) + (SDL:event:motion:xrel e) + (SDL:event:motion:yrel e))) + ((SDL_MOUSEBUTTONDOWN) + (mouse-button-down-callback (SDL:event:button:button e) + (SDL:event:button:x e) + (SDL:event:button:y e))) + ((SDL_MOUSEBUTTONUP) + (mouse-button-up-callback (SDL:event:button:button e) + (SDL:event:button:x e) + (SDL:event:button:y e))))) (define (event-keycode e) "Returns an integer keycode from an SDL event." |