Mercurial > touhou

diff pytouhou/ui/opengl/sprite.pyx @ 525:43ecf0f98f4d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Precalculate the inverse of the texture size at ANM load, to not recalculate at every sprite change.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Wed, 18 Dec 2013 18:15:45 +0100
parents 6e3b3d5d4691
children db28538cd399
line wrap: on
line diff
--- a/pytouhou/ui/opengl/sprite.pyx
+++ b/pytouhou/ui/opengl/sprite.pyx
@@ -57,9 +57,8 @@ cpdef tuple get_sprite_rendering_data(Sp
     if sprite.corner_relative_placement: # Reposition
         translate2d(&vertmat, width / 2, height / 2)
 
-    size = sprite.anm.size
-    x_1 = 1 / <double>size[0]
-    y_1 = 1 / <double>size[1]
+    x_1 = sprite.anm.size_inv[0]
+    y_1 = sprite.anm.size_inv[1]
     tox, toy = sprite.texoffsets
     uvs = (tx * x_1 + tox,
            (tx + tw) * x_1 + tox,