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Viewing changes to src/stel_object.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Cédric Delfosse
  • Date: 2008-05-19 21:28:23 UTC
  • mfrom: (3.1.5 intrepid)
  • Revision ID: james.westby@ubuntu.com-20080519212823-m5nfiuntxstxzxj7
Tags: 0.9.1-4
http://bugs.debian.org/479906
Add libxcursor-dev, libxfixes-dev, libxinerama-dev, libqt4-opengl-dev to
build-deps (Closes: #479906)

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src/stel_object.cpp
1
 
/*
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 * Stellarium
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 * Copyright (C) 2002 Fabien Chereau
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
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 */
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#include "stellarium.h"
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#include "stel_object.h"
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#include "navigator.h"
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#include "stel_utility.h"
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#include "s_texture.h"
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#include "planet.h"
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s_texture * StelObject::pointer_star = NULL;
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s_texture * StelObject::pointer_planet = NULL;
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s_texture * StelObject::pointer_nebula = NULL;
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s_texture * StelObject::pointer_telescope = NULL;
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int StelObject::local_time = 0;
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// Draw a nice animated pointer around the object
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void StelObject::draw_pointer(int delta_time, const Projector* prj, const Navigator * nav)
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{
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        local_time+=delta_time;
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        Vec3d pos=get_earth_equ_pos(nav);
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        Vec3d screenpos;
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        // Compute 2D pos and return if outside screen
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        if (!prj->project_earth_equ(pos, screenpos)) return;
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    prj->set_orthographic_projection();
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        if (get_type()==STEL_OBJECT_NEBULA) glColor3f(0.4f,0.5f,0.8f);
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        if (get_type()==STEL_OBJECT_PLANET) glColor3f(1.0f,0.3f,0.3f);
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    if (get_type()==STEL_OBJECT_STAR||get_type()==STEL_OBJECT_TELESCOPE)
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    {
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                glColor3fv(get_RGB());
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                float radius;
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                if (get_type()==STEL_OBJECT_STAR) {
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                        radius = 13.f;
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                        glBindTexture (GL_TEXTURE_2D, pointer_star->getID());
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                } else {
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                        radius = 25.f;
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                        glBindTexture (GL_TEXTURE_2D, pointer_telescope->getID());
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                }
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        glEnable(GL_TEXTURE_2D);
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        glEnable(GL_BLEND);
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        glTranslatef(screenpos[0], screenpos[1], 0.0f);
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        glRotatef((float)local_time/20.,0.,0.,1.);
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        glBegin(GL_QUADS );
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            glTexCoord2f(0.0f,0.0f);    glVertex3f(-radius,-radius,0.);      //Bas Gauche
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            glTexCoord2f(1.0f,0.0f);    glVertex3f(radius,-radius,0.);       //Bas Droite
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            glTexCoord2f(1.0f,1.0f);    glVertex3f(radius,radius,0.);        //Haut Droit
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            glTexCoord2f(0.0f,1.0f);    glVertex3f(-radius,radius,0.);       //Haut Gauche
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        glEnd ();
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    }
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        float size = get_on_screen_size(prj, nav);
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        size+=20.f;
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        size+=10.f*sin(0.002f * local_time);
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    if (get_type()==STEL_OBJECT_NEBULA || get_type()==STEL_OBJECT_PLANET)
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    {
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                if (get_type()==STEL_OBJECT_PLANET)
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                        glBindTexture(GL_TEXTURE_2D, pointer_planet->getID());
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        if (get_type()==STEL_OBJECT_NEBULA)
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                        glBindTexture(GL_TEXTURE_2D, pointer_nebula->getID());
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        glEnable(GL_TEXTURE_2D);
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        glEnable(GL_BLEND);
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        glTranslatef(screenpos[0], screenpos[1], 0.0f);
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        if (get_type()==STEL_OBJECT_PLANET) glRotatef((float)local_time/100,0,0,-1);
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        glTranslatef(-size/2, -size/2,0.0f);
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        glRotatef(90,0,0,1);
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        glBegin(GL_QUADS );
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            glTexCoord2f(0.0f,0.0f);    glVertex3f(-10,-10,0);      //Bas Gauche
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            glTexCoord2f(1.0f,0.0f);    glVertex3f(10,-10,0);       //Bas Droite
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            glTexCoord2f(1.0f,1.0f);    glVertex3f(10,10,0);        //Haut Droit
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            glTexCoord2f(0.0f,1.0f);    glVertex3f(-10,10,0);       //Haut Gauche
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        glEnd ();
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        glRotatef(-90,0,0,1);
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        glTranslatef(0,size,0.0f);
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        glBegin(GL_QUADS );
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            glTexCoord2f(0.0f,0.0f);    glVertex3f(-10,-10,0);      //Bas Gauche
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            glTexCoord2f(1.0f,0.0f);    glVertex3f(10,-10,0);       //Bas Droite
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            glTexCoord2f(1.0f,1.0f);    glVertex3f(10,10,0);        //Haut Droit
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            glTexCoord2f(0.0f,1.0f);    glVertex3f(-10,10,0);       //Haut Gauche
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        glEnd ();
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        glRotatef(-90,0,0,1);
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        glTranslatef(0, size,0.0f);
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        glBegin(GL_QUADS );
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            glTexCoord2f(0.0f,0.0f);    glVertex3f(-10,-10,0);      //Bas Gauche
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            glTexCoord2f(1.0f,0.0f);    glVertex3f(10,-10,0);       //Bas Droite
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            glTexCoord2f(1.0f,1.0f);    glVertex3f(10,10,0);        //Haut Droit
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            glTexCoord2f(0.0f,1.0f);    glVertex3f(-10,10,0);       //Haut Gauche
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        glEnd ();
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        glRotatef(-90,0,0,1);
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        glTranslatef(0,size,0);
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        glBegin(GL_QUADS );
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            glTexCoord2f(0.0f,0.0f);    glVertex3f(-10,-10,0);      //Bas Gauche
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            glTexCoord2f(1.0f,0.0f);    glVertex3f(10,-10,0);       //Bas Droite
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            glTexCoord2f(1.0f,1.0f);    glVertex3f(10,10,0);        //Haut Droit
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            glTexCoord2f(0.0f,1.0f);    glVertex3f(-10,10,0);       //Haut Gauche
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        glEnd ();
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    }
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    prj->reset_perspective_projection();
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}
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void StelObject::init_textures(void)
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{
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        pointer_star = new s_texture("pointeur2.png");
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        pointer_planet = new s_texture("pointeur4.png");
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        pointer_nebula = new s_texture("pointeur5.png");
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        pointer_telescope = new s_texture("pointeur2.png");
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}
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void StelObject::delete_textures(void)
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{
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        delete pointer_star; pointer_star = NULL;
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        delete pointer_planet; pointer_planet = NULL;
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        delete pointer_nebula; pointer_nebula = NULL;
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        delete pointer_telescope; pointer_telescope = NULL;
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}