I allways noticed that in the SDL mode, the gradient was sometimes different than...
[supertux.git] / src / screen.cpp
index 18e8489..66248b3 100644 (file)
@@ -72,21 +72,24 @@ void drawgradient(Color top_clr, Color bot_clr)
       glBegin(GL_QUADS);
       glColor3ub(top_clr.red, top_clr.green, top_clr.blue);
       glVertex2f(0, 0);
-      glVertex2f(640, 0);
+      glVertex2f(screen->w, 0);
       glColor3ub(bot_clr.red, bot_clr.green, bot_clr.blue);
-      glVertex2f(640, 480);
-      glVertex2f(0, 480);
+      glVertex2f(screen->w, screen->h);
+      glVertex2f(0, screen->h);
       glEnd();
     }
   else
   {
 #endif
 
-    for(float y = 0; y < 480; y += 2)
-      fillrect(0, (int)y, 640, 2,
-                     (int)(((float)(top_clr.red-bot_clr.red)/(0-480)) * y + top_clr.red),
-                     (int)(((float)(top_clr.green-bot_clr.green)/(0-480)) * y + top_clr.green),
-                     (int)(((float)(top_clr.blue-bot_clr.blue)/(0-480)) * y + top_clr.blue), 255);
+//void fillrect(float x, float y, float w, float h, int r, int g, int b, int a)
+
+    for(float y = 0; y < screen->h; y += 2)
+      fillrect(0, (int)y, screen->w, 2,
+       (int)(((float)(top_clr.red-bot_clr.red)/(0-screen->h)) * y + top_clr.red),
+       (int)(((float)(top_clr.green-bot_clr.green)/(0-screen->h)) * y + top_clr.green),
+       (int)(((float)(top_clr.blue-bot_clr.blue)/(0-screen->h)) * y + top_clr.blue),
+       255);
 /* calculates the color for each line, based in the generic equation for functions: y = mx + b */
 
 #ifndef NOOPENGL
@@ -122,11 +125,12 @@ else
 
   while(alpha >= 0 && alpha < 256)
     {
+    surface->draw(0,0,(int)alpha);
+    flipscreen();
+
     old_time = cur_time;
     cur_time = SDL_GetTicks();
 
-    surface->draw(0,0,(int)alpha, true);
-
     /* Calculate the next alpha value */
     float calc = (float) ((cur_time - old_time) / seconds);
     if(fade_out)