- undid Ricardo's changes
authorRyan Flegel <rflegel@gmail.com>
Thu, 6 May 2004 18:49:52 +0000 (18:49 +0000)
committerRyan Flegel <rflegel@gmail.com>
Thu, 6 May 2004 18:49:52 +0000 (18:49 +0000)
SVN-Revision: 1010

src/world.cpp

index 7c28400..fdb1fda 100644 (file)
@@ -320,9 +320,9 @@ void World::scrolling(double frame_ratio)
 {
   int tux_pos_x = (int)(tux.base.x + (tux.base.width/2));
 
-  if (/*level->back_scrolling || */debug_mode)
+  if (level->back_scrolling || debug_mode)
   {
-    if(tux.old_dir != tux.dir)
+    if(tux.old_dir != tux.dir && level->back_scrolling)
       scrolling_timer.start(CHANGE_DIR_SCROLL_SPEED);
 
     if(scrolling_timer.check())
@@ -340,13 +340,9 @@ void World::scrolling(double frame_ratio)
           final_scroll_x = tux_pos_x - X_SPACE;
       }
 
-/*      scroll_x +=   (final_scroll_x - scroll_x)
+      scroll_x +=   (final_scroll_x - scroll_x)
                   / (frame_ratio * (CHANGE_DIR_SCROLL_SPEED / 100))
                   + (tux.physic.get_velocity_x() * frame_ratio + tux.physic.get_acceleration_x() * frame_ratio * frame_ratio);
-*/
-
-scroll_x += ((final_scroll_x - scroll_x) / CHANGE_DIR_SCROLL_SPEED) * frame_ratio;
-
       // std::cerr << tux_pos_x << " " << final_scroll_x << " " << scroll_x << std::endl;
 
     }
@@ -354,13 +350,13 @@ scroll_x += ((final_scroll_x - scroll_x) / CHANGE_DIR_SCROLL_SPEED) * frame_rati
     {
       if (tux.physic.get_velocity_x() > 0 && scroll_x < tux_pos_x - (screen->w - X_SPACE))
         scroll_x = tux_pos_x - (screen->w - X_SPACE);
-      else if (tux.physic.get_velocity_x() < 0 && scroll_x > tux_pos_x - X_SPACE && debug_mode)
+      else if (tux.physic.get_velocity_x() < 0 && scroll_x > tux_pos_x - X_SPACE && level->back_scrolling)
         scroll_x = tux_pos_x - X_SPACE;
       else
       {
         if (tux.dir == RIGHT && scroll_x < tux_pos_x - (screen->w - X_SPACE))
             scroll_x = tux_pos_x - (screen->w - X_SPACE);
-        else if (tux.dir == LEFT && scroll_x > tux_pos_x - X_SPACE && debug_mode)
+        else if (tux.dir == LEFT && scroll_x > tux_pos_x - X_SPACE && level->back_scrolling)
             scroll_x = tux_pos_x - X_SPACE;
       }
     }
@@ -368,10 +364,20 @@ scroll_x += ((final_scroll_x - scroll_x) / CHANGE_DIR_SCROLL_SPEED) * frame_rati
 
   else /*no debug*/
   {
-    if (scroll_x < tux_pos_x - (screen->w - X_SPACE))
+    if (tux.physic.get_velocity_x() > 0 && scroll_x < tux_pos_x - (screen->w - X_SPACE))
       scroll_x = tux_pos_x - (screen->w - X_SPACE);
+    else if (tux.physic.get_velocity_x() < 0 && scroll_x > tux_pos_x - X_SPACE && level->back_scrolling)
+      scroll_x = tux_pos_x - X_SPACE;
+    else
+    {
+      if (tux.dir == RIGHT && scroll_x < tux_pos_x - (screen->w - X_SPACE))
+          scroll_x = tux_pos_x - (screen->w - X_SPACE);
+      else if (tux.dir == LEFT && scroll_x > tux_pos_x - X_SPACE && level->back_scrolling)
+          scroll_x = tux_pos_x - X_SPACE;
     }
 
+  }
+
   // this code prevent the screen to scroll before the start or after the level's end
   if(scroll_x < 0)
     scroll_x = 0;