lib/gamnit: fix wrap of subtextures on models

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

diff --git a/lib/gamnit/depth/more_materials.nit b/lib/gamnit/depth/more_materials.nit
index 613ff1a..6117128 100644 (file)
--- a/lib/gamnit/depth/more_materials.nit
+++ b/lib/gamnit/depth/more_materials.nit
@@ -154,11 +154,13 @@ class TexturedMaterial
                                var xd = sample_used_texture.offset_right - xa
                                var ya = sample_used_texture.offset_top
                                var yd = sample_used_texture.offset_bottom - ya
+                               xd *= 0.999
+                               yd *= 0.999
 
                                var tex_coords = new Array[Float].with_capacity(mesh.texture_coords.length)
                                for i in [0..mesh.texture_coords.length/2[ do
                                        tex_coords[i*2]   = xa + xd * mesh.texture_coords[i*2]
-                                       tex_coords[i*2+1] = ya + yd * mesh.texture_coords[i*2+1]
+                                       tex_coords[i*2+1] = 1.0 - (ya + yd * mesh.texture_coords[i*2+1])
                                end
 
                                program.tex_coord.array(tex_coords, 2)