lib/gamnit: improve doc of subtexture with a vital detail

There was an ambiguity as to whether the method expected pixel offsets original
proportional values out of 1.0.

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

diff --git a/lib/gamnit/textures.nit b/lib/gamnit/textures.nit
index 415aa90..bb5c976 100644 (file)
--- a/lib/gamnit/textures.nit
+++ b/lib/gamnit/textures.nit
@@ -41,7 +41,7 @@ abstract class Texture
        # OpenGL handle to this texture
        fun gl_texture: Int do return root.gl_texture
 
-       # Prepare a subtexture from this texture
+       # Prepare a subtexture from this texture, from the given pixel offsets
        fun subtexture(left, top, width, height: Numeric): GamnitSubtexture
        do
                # Setup the subtexture