{
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())
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;
}
{
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;
}
}
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;