fix all cases of not-optimal UV-coordinates

[supertux.git] / src / video / surface.cpp

diff --git a/src/video/surface.cpp b/src/video/surface.cpp
index 23ff693..c7b1e1b 100644 (file)
--- a/src/video/surface.cpp
+++ b/src/video/surface.cpp
@@ -41,8 +41,8 @@ Surface::Surface(const std::string& file)
 {
   texture = texture_manager->get(file);
   texture->ref();
-  uv_left = 0;
-  uv_top = 0;
+  uv_left = 0.5 / texture->get_width();
+  uv_top = 0.5 / texture->get_height();
   uv_right = texture->get_uv_right();
   uv_bottom = texture->get_uv_bottom();
 
@@ -57,10 +57,10 @@ Surface::Surface(const std::string& file, int x, int y, int w, int h)
 
   float tex_w = static_cast<float> (texture->get_width());
   float tex_h = static_cast<float> (texture->get_height());
-  uv_left = static_cast<float>(x) / tex_w;
-  uv_top = static_cast<float>(y) / tex_h;
-  uv_right = static_cast<float>(x+w) / tex_w;
-  uv_bottom = static_cast<float>(y+h) / tex_h;
+  uv_left = static_cast<float>(x+0.5) / tex_w;
+  uv_top = static_cast<float>(y+0.5) / tex_h;
+  uv_right = static_cast<float>(x+w-0.5) / tex_w;
+  uv_bottom = static_cast<float>(y+h-0.5) / tex_h;
 
   width = w;
   height = h;