3 // SuperTux - A Jump'n Run
4 // Copyright (C) 2004 Matthias Braun <matze@braunis.de
6 // This program is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU General Public License
8 // as published by the Free Software Foundation; either version 2
9 // of the License, or (at your option) any later version.
11 // This program is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this program; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 #include "background.h"
23 #include "display_manager.h"
25 Background::Background(DisplayManager& displaymanager)
27 displaymanager.add_drawable(this, LAYER_BACKGROUND0);
30 Background::~Background()
35 Background::action(float)
40 Background::set_image(Surface* image, float speed)
42 bgtype = BACKGROUND_IMAGE;
48 Background::set_gradient(Color top, Color bottom)
50 bgtype = BACKGROUND_GRADIENT;
52 gradient_bottom = bottom;
56 Background::draw(Camera& viewport, int )
58 if(bgtype == BACKGROUND_GRADIENT) {
59 drawgradient(gradient_top, gradient_bottom);
60 } else if(bgtype == BACKGROUND_IMAGE) {
61 int sx = int(-viewport.get_translation().x * float(speed/100.))
62 % image->w - image->w;
63 int sy = int(-viewport.get_translation().y * float(speed/100.))
64 % image->h - image->h;
65 for(int x = sx; x < screen->w; x += image->w)
66 for(int y = sy; y < screen->h; y += image->h)