From: Alexis Laferrière <alexis.laf@xymus.net>
Date: Fri, 7 Jul 2017 20:23:34 +0000 (-0400)
Subject: gamnit: cache `GamnitDisplay::aspect_ratio`
X-Git-Url: http://nitlanguage.org

gamnit: cache `GamnitDisplay::aspect_ratio`

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
---

diff --git a/lib/gamnit/gamnit_linux.nit b/lib/gamnit/gamnit_linux.nit
index b0c4241..b86f8e5 100644
--- a/lib/gamnit/gamnit_linux.nit
+++ b/lib/gamnit/gamnit_linux.nit
@@ -37,6 +37,7 @@ redef class App
 			if sdl_event isa SDLWindowEvent and sdl_event.is_resized then
 				display.width = sdl_event.data1
 				display.height = sdl_event.data2
+				display.aspect_ratio = sdl_event.data1.to_f / sdl_event.data2.to_f
 				on_resize display
 			end
 
@@ -47,6 +48,10 @@ redef class App
 	end
 end
 
+redef class GamnitDisplay
+	redef var aspect_ratio = super is lazy
+end
+
 # ---
 # Redef services from `sdl2::events`